From 0659ed2dc196f3ba12ce210de66de9b4202d5d48 Mon Sep 17 00:00:00 2001
From: Piyush Sharda <psharda@RSAA-43608.local>
Date: Mon, 26 Aug 2024 23:04:14 +0200
Subject: [PATCH] add tests for all intermediate Z

---
 .github/workflows/burn_cell_metal_chem.yml    |  165 +-
 .../reference_solution_1e-2.out               | 4482 +++++++++++++++++
 .../reference_solution_1e-3.out               | 4482 +++++++++++++++++
 .../reference_solution_1e-4.out               | 4482 +++++++++++++++++
 .../reference_solution_1e-5.out               | 4482 +++++++++++++++++
 5 files changed, 18091 insertions(+), 2 deletions(-)
 create mode 100644 unit_test/burn_cell_metal_chem/reference_solution_1e-2.out
 create mode 100644 unit_test/burn_cell_metal_chem/reference_solution_1e-3.out
 create mode 100644 unit_test/burn_cell_metal_chem/reference_solution_1e-4.out
 create mode 100644 unit_test/burn_cell_metal_chem/reference_solution_1e-5.out

diff --git a/.github/workflows/burn_cell_metal_chem.yml b/.github/workflows/burn_cell_metal_chem.yml
index 935dd9fad..3772abaa4 100644
--- a/.github/workflows/burn_cell_metal_chem.yml
+++ b/.github/workflows/burn_cell_metal_chem.yml
@@ -77,6 +77,44 @@ jobs:
         run: cat unit_test/burn_cell_metal_chem/Backtrace.0
 
       - name: Compare to stored output for Z = 1e-1
+        run: |
+          set -e
+          cd unit_test/burn_cell_metal_chem
+          line_numbers=(4438 4440 4442 4444 4445 4448 4449 4452 4458 4463)
+          threshold=0.01
+          error_found=false
+          for line_number in "${line_numbers[@]}"; do
+
+            value1=$(awk 'NR=='"$line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH); else print 0}' test.out)
+            # Adjust the line number for reference_solution
+            reference_line_number=$((line_number + 0))
+            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-1.out)
+
+            difference=$(awk -v val1="$value1" -v val2="$value2" 'BEGIN { printf "%.2f", (val1 - val2) / val2 }')
+
+            if (( $(echo "$difference > $threshold" | bc -l) )); then
+              echo "Line number: $line_number"
+              echo "Value in test.out: $value1"
+              echo "Value in reference_solution_1e-1.out: $value2"
+              echo "Difference between test and reference value is $difference, more than allowed threshold of $threshold"
+              echo
+              error_found=true
+            fi
+          done
+          if [[ $error_found == true ]]; then
+            exit 1
+          fi
+
+      - name: Run for Z = 1e-2
+        run: |
+          cd unit_test/burn_cell_metal_chem
+          ./main1d.gnu.DEBUG.ex inputs_metal_chem_1e-2 amrex.fpe_trap_{invalid,zero,overflow}=1 > test.out
+
+      - name: Print backtrace
+        if: ${{ failure() && hashFiles('unit_test/burn_cell_metal_chem/Backtrace.0') != '' }}
+        run: cat unit_test/burn_cell_metal_chem/Backtrace.0
+
+      - name: Compare to stored output for Z = 1e-2
         run: |
           set -e
           cd unit_test/burn_cell_metal_chem
@@ -91,14 +129,137 @@ jobs:
             value1=$(awk 'NR=='"$line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH); else print 0}' test.out)
             # Adjust the line number for reference_solution
             reference_line_number=$((line_number + 0))
-            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-1.out)
+            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-2.out)
 
             difference=$(awk -v val1="$value1" -v val2="$value2" 'BEGIN { printf "%.2f", (val1 - val2) / val2 }')
 
             if (( $(echo "$difference > $threshold" | bc -l) )); then
               echo "Line number: $line_number"
               echo "Value in test.out: $value1"
-              echo "Value in reference_solution_1e-1.out: $value2"
+              echo "Value in reference_solution_1e-2.out: $value2"
+              echo "Difference between test and reference value is $difference, more than allowed threshold of $threshold"
+              echo
+              error_found=true
+            fi
+          done
+          if [[ $error_found == true ]]; then
+            exit 1
+          fi
+
+      - name: Run for Z = 1e-3
+        run: |
+          cd unit_test/burn_cell_metal_chem
+          ./main1d.gnu.DEBUG.ex inputs_metal_chem_1e-3 amrex.fpe_trap_{invalid,zero,overflow}=1 > test.out
+
+      - name: Print backtrace
+        if: ${{ failure() && hashFiles('unit_test/burn_cell_metal_chem/Backtrace.0') != '' }}
+        run: cat unit_test/burn_cell_metal_chem/Backtrace.0
+
+      - name: Compare to stored output for Z = 1e-3
+        run: |
+          set -e
+          cd unit_test/burn_cell_metal_chem
+          line_numbers=(4438 4440 4442 4444 4445 4448 4449 4452 4458 4463)
+          threshold=0.01
+          error_found=false
+          for line_number in "${line_numbers[@]}"; do
+
+            value1=$(awk 'NR=='"$line_number"' {print $0}' test.out)
+            echo "Line $line_number in test.out: $value1"
+
+            value1=$(awk 'NR=='"$line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH); else print 0}' test.out)
+            # Adjust the line number for reference_solution
+            reference_line_number=$((line_number + 0))
+            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-3.out)
+
+            difference=$(awk -v val1="$value1" -v val2="$value2" 'BEGIN { printf "%.2f", (val1 - val2) / val2 }')
+
+            if (( $(echo "$difference > $threshold" | bc -l) )); then
+              echo "Line number: $line_number"
+              echo "Value in test.out: $value1"
+              echo "Value in reference_solution_1e-3.out: $value2"
+              echo "Difference between test and reference value is $difference, more than allowed threshold of $threshold"
+              echo
+              error_found=true
+            fi
+          done
+          if [[ $error_found == true ]]; then
+            exit 1
+          fi
+
+      - name: Run for Z = 1e-4
+        run: |
+          cd unit_test/burn_cell_metal_chem
+          ./main1d.gnu.DEBUG.ex inputs_metal_chem_1e-4 amrex.fpe_trap_{invalid,zero,overflow}=1 > test.out
+
+      - name: Print backtrace
+        if: ${{ failure() && hashFiles('unit_test/burn_cell_metal_chem/Backtrace.0') != '' }}
+        run: cat unit_test/burn_cell_metal_chem/Backtrace.0
+
+      - name: Compare to stored output for Z = 1e-4
+        run: |
+          set -e
+          cd unit_test/burn_cell_metal_chem
+          line_numbers=(4438 4440 4442 4444 4445 4448 4449 4452 4458 4463)
+          threshold=0.01
+          error_found=false
+          for line_number in "${line_numbers[@]}"; do
+
+            value1=$(awk 'NR=='"$line_number"' {print $0}' test.out)
+            echo "Line $line_number in test.out: $value1"
+
+            value1=$(awk 'NR=='"$line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH); else print 0}' test.out)
+            # Adjust the line number for reference_solution
+            reference_line_number=$((line_number + 0))
+            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-4.out)
+
+            difference=$(awk -v val1="$value1" -v val2="$value2" 'BEGIN { printf "%.2f", (val1 - val2) / val2 }')
+
+            if (( $(echo "$difference > $threshold" | bc -l) )); then
+              echo "Line number: $line_number"
+              echo "Value in test.out: $value1"
+              echo "Value in reference_solution_1e-4.out: $value2"
+              echo "Difference between test and reference value is $difference, more than allowed threshold of $threshold"
+              echo
+              error_found=true
+            fi
+          done
+          if [[ $error_found == true ]]; then
+            exit 1
+          fi
+
+      - name: Run for Z = 1e-5
+        run: |
+          cd unit_test/burn_cell_metal_chem
+          ./main1d.gnu.DEBUG.ex inputs_metal_chem_1e-5 amrex.fpe_trap_{invalid,zero,overflow}=1 > test.out
+
+      - name: Print backtrace
+        if: ${{ failure() && hashFiles('unit_test/burn_cell_metal_chem/Backtrace.0') != '' }}
+        run: cat unit_test/burn_cell_metal_chem/Backtrace.0
+
+      - name: Compare to stored output for Z = 1e-5
+        run: |
+          set -e
+          cd unit_test/burn_cell_metal_chem
+          line_numbers=(4438 4440 4442 4444 4445 4448 4449 4452 4458 4463)
+          threshold=0.01
+          error_found=false
+          for line_number in "${line_numbers[@]}"; do
+
+            value1=$(awk 'NR=='"$line_number"' {print $0}' test.out)
+            echo "Line $line_number in test.out: $value1"
+
+            value1=$(awk 'NR=='"$line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH); else print 0}' test.out)
+            # Adjust the line number for reference_solution
+            reference_line_number=$((line_number + 0))
+            value2=$(awk 'NR=='"$reference_line_number"' {match($0, /[+-]?[0-9]+([.][0-9]+)?[eE]?[+-]?[0-9]+/); if (RSTART) print substr($0, RSTART, RLENGTH)}' reference_solution_1e-5.out)
+
+            difference=$(awk -v val1="$value1" -v val2="$value2" 'BEGIN { printf "%.2f", (val1 - val2) / val2 }')
+
+            if (( $(echo "$difference > $threshold" | bc -l) )); then
+              echo "Line number: $line_number"
+              echo "Value in test.out: $value1"
+              echo "Value in reference_solution_1e-5.out: $value2"
               echo "Difference between test and reference value is $difference, more than allowed threshold of $threshold"
               echo
               error_found=true
diff --git a/unit_test/burn_cell_metal_chem/reference_solution_1e-2.out b/unit_test/burn_cell_metal_chem/reference_solution_1e-2.out
new file mode 100644
index 000000000..9cbe12914
--- /dev/null
+++ b/unit_test/burn_cell_metal_chem/reference_solution_1e-2.out
@@ -0,0 +1,4482 @@
+Initializing AMReX (22.07-589-g9b0d63e40412)...
+AMReX (22.07-589-g9b0d63e40412) initialized
+starting the single zone burn...
+Reading tables from Semenov_PlanckOpacity.dat
+Redshift: 0
+Metallicity: 0.01
+Dust2gas Ratio: 0.01
+ 
+Maximum Time (s): 7e+20
+State Temperature (K): 300
+Number Density input (CO_ice): 1e-41
+Number Density input (H2O_ice): 1e-41
+Number Density input (E): 1e-05
+Number Density input (Hp): 1e-05
+Number Density input (H): 0.1
+Number Density input (Hm): 1e-41
+Number Density input (Dp): 1e-41
+Number Density input (D): 1e-06
+Number Density input (H2p): 1e-41
+Number Density input (Dm): 1e-41
+Number Density input (H2): 1e-07
+Number Density input (HDp): 1e-41
+Number Density input (HD): 1e-41
+Number Density input (HEpp): 1e-41
+Number Density input (HEp): 1e-41
+Number Density input (HE): 0.00775
+Number Density input (Cp): 9.27e-08
+Number Density input (Carbon): 1e-41
+Number Density input (CH): 1e-41
+Number Density input (CH2): 1e-41
+Number Density input (CH3): 1e-41
+Number Density input (Op): 1e-41
+Number Density input (O): 3.568e-07
+Number Density input (CH4): 1e-41
+Number Density input (OHp): 1e-41
+Number Density input (OH): 1e-41
+Number Density input (H2Op): 1e-41
+Number Density input (H2O): 1e-41
+Number Density input (H3Op): 1e-41
+Number Density input (COp): 1e-41
+Number Density input (CO): 1e-41
+Number Density input (O2p): 1e-41
+Number Density input (O2): 1e-41
+Number Density input (CO2): 1e-41
+rho: 2.192485838e-25, dd: 0.1077715495
+initial eint: 3.076181952e+10
+step 0 done with dt = 4.48631708e+13
+step 1 done with dt = 4.464052378e+13
+step 2 done with dt = 4.441898172e+13
+step 3 done with dt = 4.419853912e+13
+step 4 done with dt = 4.397919054e+13
+step 5 done with dt = 4.376093054e+13
+step 6 done with dt = 4.354375372e+13
+step 7 done with dt = 4.332765471e+13
+step 8 done with dt = 4.311262815e+13
+step 9 done with dt = 4.289866872e+13
+step 10 done with dt = 4.268577114e+13
+step 11 done with dt = 4.247393012e+13
+step 12 done with dt = 4.226314042e+13
+step 13 done with dt = 4.205339683e+13
+step 14 done with dt = 4.184469416e+13
+step 15 done with dt = 4.163702724e+13
+step 16 done with dt = 4.143039092e+13
+step 17 done with dt = 4.12247801e+13
+step 18 done with dt = 4.102018969e+13
+step 19 done with dt = 4.081661461e+13
+step 20 done with dt = 4.061404984e+13
+step 21 done with dt = 4.041249035e+13
+step 22 done with dt = 4.021193117e+13
+step 23 done with dt = 4.001236732e+13
+step 24 done with dt = 3.981379386e+13
+step 25 done with dt = 3.961620589e+13
+step 26 done with dt = 3.94195985e+13
+step 27 done with dt = 3.922396684e+13
+step 28 done with dt = 3.902930606e+13
+step 29 done with dt = 3.883561134e+13
+step 30 done with dt = 3.864287789e+13
+step 31 done with dt = 3.845110093e+13
+step 32 done with dt = 3.826027573e+13
+step 33 done with dt = 3.807039755e+13
+step 34 done with dt = 3.788146171e+13
+step 35 done with dt = 3.769346351e+13
+step 36 done with dt = 3.750639831e+13
+step 37 done with dt = 3.732026147e+13
+step 38 done with dt = 3.71350484e+13
+step 39 done with dt = 3.69507545e+13
+step 40 done with dt = 3.676737521e+13
+step 41 done with dt = 3.6584906e+13
+step 42 done with dt = 3.640334235e+13
+step 43 done with dt = 3.622267976e+13
+step 44 done with dt = 3.604291376e+13
+step 45 done with dt = 3.586403991e+13
+step 46 done with dt = 3.568605377e+13
+step 47 done with dt = 3.550895094e+13
+step 48 done with dt = 3.533272703e+13
+step 49 done with dt = 3.515737769e+13
+step 50 done with dt = 3.498289858e+13
+step 51 done with dt = 3.480928536e+13
+step 52 done with dt = 3.463653376e+13
+step 53 done with dt = 3.446463949e+13
+step 54 done with dt = 3.429359829e+13
+step 55 done with dt = 3.412340594e+13
+step 56 done with dt = 3.395405822e+13
+step 57 done with dt = 3.378555093e+13
+step 58 done with dt = 3.361787992e+13
+step 59 done with dt = 3.345104102e+13
+step 60 done with dt = 3.328503011e+13
+step 61 done with dt = 3.311984308e+13
+step 62 done with dt = 3.295547584e+13
+step 63 done with dt = 3.279192432e+13
+step 64 done with dt = 3.262918448e+13
+step 65 done with dt = 3.246725228e+13
+step 66 done with dt = 3.230612371e+13
+step 67 done with dt = 3.21457948e+13
+step 68 done with dt = 3.198626157e+13
+step 69 done with dt = 3.182752006e+13
+step 70 done with dt = 3.166956636e+13
+step 71 done with dt = 3.151239656e+13
+step 72 done with dt = 3.135600675e+13
+step 73 done with dt = 3.120039308e+13
+step 74 done with dt = 3.104555168e+13
+step 75 done with dt = 3.089147874e+13
+step 76 done with dt = 3.073817042e+13
+step 77 done with dt = 3.058562295e+13
+step 78 done with dt = 3.043383253e+13
+step 79 done with dt = 3.028279543e+13
+step 80 done with dt = 3.013250789e+13
+step 81 done with dt = 2.998296619e+13
+step 82 done with dt = 2.983416664e+13
+step 83 done with dt = 2.968610556e+13
+step 84 done with dt = 2.953877927e+13
+step 85 done with dt = 2.939218413e+13
+step 86 done with dt = 2.924631652e+13
+step 87 done with dt = 2.910117282e+13
+step 88 done with dt = 2.895674943e+13
+step 89 done with dt = 2.88130428e+13
+step 90 done with dt = 2.867004934e+13
+step 91 done with dt = 2.852776554e+13
+step 92 done with dt = 2.838618786e+13
+step 93 done with dt = 2.824531281e+13
+step 94 done with dt = 2.810513689e+13
+step 95 done with dt = 2.796565663e+13
+step 96 done with dt = 2.782686859e+13
+step 97 done with dt = 2.768876932e+13
+step 98 done with dt = 2.755135542e+13
+step 99 done with dt = 2.741462347e+13
+step 100 done with dt = 2.727857009e+13
+step 101 done with dt = 2.714319192e+13
+step 102 done with dt = 2.700848561e+13
+step 103 done with dt = 2.687444781e+13
+step 104 done with dt = 2.674107522e+13
+step 105 done with dt = 2.660836453e+13
+step 106 done with dt = 2.647631246e+13
+step 107 done with dt = 2.634491574e+13
+step 108 done with dt = 2.621417111e+13
+step 109 done with dt = 2.608407534e+13
+step 110 done with dt = 2.595462521e+13
+step 111 done with dt = 2.582581751e+13
+step 112 done with dt = 2.569764906e+13
+step 113 done with dt = 2.557011669e+13
+step 114 done with dt = 2.544321724e+13
+step 115 done with dt = 2.531694756e+13
+step 116 done with dt = 2.519130453e+13
+step 117 done with dt = 2.506628504e+13
+step 118 done with dt = 2.494188601e+13
+step 119 done with dt = 2.481810433e+13
+step 120 done with dt = 2.469493697e+13
+step 121 done with dt = 2.457238085e+13
+step 122 done with dt = 2.445043296e+13
+step 123 done with dt = 2.432909027e+13
+step 124 done with dt = 2.420834979e+13
+step 125 done with dt = 2.408820851e+13
+step 126 done with dt = 2.396866347e+13
+step 127 done with dt = 2.384971171e+13
+step 128 done with dt = 2.373135028e+13
+step 129 done with dt = 2.361357626e+13
+step 130 done with dt = 2.349638672e+13
+step 131 done with dt = 2.337977878e+13
+step 132 done with dt = 2.326374953e+13
+step 133 done with dt = 2.314829612e+13
+step 134 done with dt = 2.303341568e+13
+step 135 done with dt = 2.291910537e+13
+step 136 done with dt = 2.280536235e+13
+step 137 done with dt = 2.269218383e+13
+step 138 done with dt = 2.257956698e+13
+step 139 done with dt = 2.246750903e+13
+step 140 done with dt = 2.23560072e+13
+step 141 done with dt = 2.224505873e+13
+step 142 done with dt = 2.213466088e+13
+step 143 done with dt = 2.202481091e+13
+step 144 done with dt = 2.19155061e+13
+step 145 done with dt = 2.180674375e+13
+step 146 done with dt = 2.169852117e+13
+step 147 done with dt = 2.159083567e+13
+step 148 done with dt = 2.14836846e+13
+step 149 done with dt = 2.13770653e+13
+step 150 done with dt = 2.127097512e+13
+step 151 done with dt = 2.116541145e+13
+step 152 done with dt = 2.106037168e+13
+step 153 done with dt = 2.095585319e+13
+step 154 done with dt = 2.085185341e+13
+step 155 done with dt = 2.074836976e+13
+step 156 done with dt = 2.064539968e+13
+step 157 done with dt = 2.054294061e+13
+step 158 done with dt = 2.044099004e+13
+step 159 done with dt = 2.033954542e+13
+step 160 done with dt = 2.023860425e+13
+step 161 done with dt = 2.013816403e+13
+step 162 done with dt = 2.003822228e+13
+step 163 done with dt = 1.993877652e+13
+step 164 done with dt = 1.983982429e+13
+step 165 done with dt = 1.974136314e+13
+step 166 done with dt = 1.964339063e+13
+step 167 done with dt = 1.954590434e+13
+step 168 done with dt = 1.944890186e+13
+step 169 done with dt = 1.935238078e+13
+step 170 done with dt = 1.925633872e+13
+step 171 done with dt = 1.916077329e+13
+step 172 done with dt = 1.906568213e+13
+step 173 done with dt = 1.89710629e+13
+step 174 done with dt = 1.887691324e+13
+step 175 done with dt = 1.878323083e+13
+step 176 done with dt = 1.869001334e+13
+step 177 done with dt = 1.859725847e+13
+step 178 done with dt = 1.850496393e+13
+step 179 done with dt = 1.841312743e+13
+step 180 done with dt = 1.832174669e+13
+step 181 done with dt = 1.823081946e+13
+step 182 done with dt = 1.814034349e+13
+step 183 done with dt = 1.805031652e+13
+step 184 done with dt = 1.796073635e+13
+step 185 done with dt = 1.787160074e+13
+step 186 done with dt = 1.778290749e+13
+step 187 done with dt = 1.769465442e+13
+step 188 done with dt = 1.760683932e+13
+step 189 done with dt = 1.751946003e+13
+step 190 done with dt = 1.743251439e+13
+step 191 done with dt = 1.734600025e+13
+step 192 done with dt = 1.725991545e+13
+step 193 done with dt = 1.717425788e+13
+step 194 done with dt = 1.708902541e+13
+step 195 done with dt = 1.700421593e+13
+step 196 done with dt = 1.691982735e+13
+step 197 done with dt = 1.683585757e+13
+step 198 done with dt = 1.675230451e+13
+step 199 done with dt = 1.666916611e+13
+step 200 done with dt = 1.658644031e+13
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+step 4176 done with dt = 42547.46456
+step 4177 done with dt = 42336.30959
+step 4178 done with dt = 42126.20253
+step 4179 done with dt = 41917.1382
+step 4180 done with dt = 41709.11142
+step 4181 done with dt = 41502.11703
+step 4182 done with dt = 41296.14992
+step 4183 done with dt = 41091.20498
+step 4184 done with dt = 40887.27715
+step 4185 done with dt = 40684.36137
+step 4186 done with dt = 40482.45262
+step 4187 done with dt = 40281.54591
+step 4188 done with dt = 40081.63626
+step 4189 done with dt = 39882.71872
+step 4190 done with dt = 39684.78838
+step 4191 done with dt = 39487.84032
+step 4192 done with dt = 39291.86968
+step 4193 done with dt = 39096.87161
+step 4194 done with dt = 38902.84127
+step 4195 done with dt = 38709.77387
+step 4196 done with dt = 38517.66462
+step 4197 done with dt = 38326.50878
+step 4198 done with dt = 38136.30161
+step 4199 done with dt = 37947.0384
+step 4200 done with dt = 37758.71446
+step 4201 done with dt = 37571.32515
+step 4202 done with dt = 37384.86581
+step 4203 done with dt = 37199.33183
+step 4204 done with dt = 37014.71862
+step 4205 done with dt = 36831.02161
+step 4206 done with dt = 36648.23626
+step 4207 done with dt = 36466.35803
+step 4208 done with dt = 36285.38244
+step 4209 done with dt = 36105.30499
+step 4210 done with dt = 35926.12122
+step 4211 done with dt = 35747.82672
+step 4212 done with dt = 35570.41706
+step 4213 done with dt = 35393.88784
+step 4214 done with dt = 35218.23471
+step 4215 done with dt = 35043.45331
+step 4216 done with dt = 34869.53932
+step 4217 done with dt = 34696.48842
+step 4218 done with dt = 34524.29635
+step 4219 done with dt = 34352.95883
+step 4220 done with dt = 34182.47163
+step 4221 done with dt = 34012.83053
+step 4222 done with dt = 33844.03132
+step 4223 done with dt = 33676.06983
+step 4224 done with dt = 33508.9419
+step 4225 done with dt = 33342.64339
+step 4226 done with dt = 33177.1702
+step 4227 done with dt = 33012.51821
+step 4228 done with dt = 32848.68336
+step 4229 done with dt = 32685.6616
+step 4230 done with dt = 32523.44887
+step 4231 done with dt = 32362.04118
+step 4232 done with dt = 32201.43453
+step 4233 done with dt = 32041.62494
+step 4234 done with dt = 31882.60845
+step 4235 done with dt = 31724.38113
+step 4236 done with dt = 31566.93906
+step 4237 done with dt = 31410.27835
+step 4238 done with dt = 31254.39511
+step 4239 done with dt = 31099.28549
+step 4240 done with dt = 30944.94565
+step 4241 done with dt = 30791.37177
+step 4242 done with dt = 30638.56005
+step 4243 done with dt = 30486.5067
+step 4244 done with dt = 30335.20797
+step 4245 done with dt = 30184.66011
+step 4246 done with dt = 30034.85938
+step 4247 done with dt = 29885.80209
+step 4248 done with dt = 29737.48454
+step 4249 done with dt = 29589.90306
+step 4250 done with dt = 29443.054
+step 4251 done with dt = 29296.93373
+step 4252 done with dt = 29151.53862
+step 4253 done with dt = 29006.86507
+step 4254 done with dt = 28862.90952
+step 4255 done with dt = 28719.66838
+step 4256 done with dt = 28577.13813
+step 4257 done with dt = 28435.31523
+step 4258 done with dt = 28294.19617
+step 4259 done with dt = 28153.77745
+step 4260 done with dt = 28014.05561
+step 4261 done with dt = 27875.02718
+step 4262 done with dt = 27736.68872
+step 4263 done with dt = 27599.03681
+step 4264 done with dt = 27462.06804
+step 4265 done with dt = 27325.77902
+step 4266 done with dt = 27190.16638
+step 4267 done with dt = 27055.22673
+step 4268 done with dt = 26920.95679
+step 4269 done with dt = 26787.3532
+step 4270 done with dt = 26654.41266
+step 4271 done with dt = 26522.13188
+step 4272 done with dt = 26390.50758
+step 4273 done with dt = 26259.53651
+step 4274 done with dt = 26129.21543
+step 4275 done with dt = 25999.54111
+step 4276 done with dt = 25870.51033
+step 4277 done with dt = 25742.11992
+step 4278 done with dt = 25614.36667
+step 4279 done with dt = 25487.24745
+step 4280 done with dt = 25360.75908
+step 4281 done with dt = 25234.89845
+step 4282 done with dt = 25109.66245
+step 4283 done with dt = 24985.04797
+step 4284 done with dt = 24861.05212
+step 4285 done with dt = 24737.67144
+step 4286 done with dt = 24614.90309
+step 4287 done with dt = 24492.74399
+step 4288 done with dt = 24371.19117
+step 4289 done with dt = 24250.24159
+step 4290 done with dt = 24129.89225
+step 4291 done with dt = 24010.14017
+step 4292 done with dt = 23890.9824
+step 4293 done with dt = 23772.4159
+step 4294 done with dt = 23654.43781
+step 4295 done with dt = 23537.04533
+step 4296 done with dt = 23420.23544
+step 4297 done with dt = 23304.00527
+step 4298 done with dt = 23188.35182
+step 4299 done with dt = 23073.27243
+step 4300 done with dt = 22958.76416
+step 4301 done with dt = 22844.82416
+step 4302 done with dt = 22731.44965
+step 4303 done with dt = 22618.63782
+step 4304 done with dt = 22506.38582
+step 4305 done with dt = 22394.69088
+step 4306 done with dt = 22283.55029
+step 4307 done with dt = 22172.96128
+step 4308 done with dt = 22062.92106
+step 4309 done with dt = 21953.42696
+step 4310 done with dt = 21844.47628
+step 4311 done with dt = 21736.0663
+step 4312 done with dt = 21628.19427
+step 4313 done with dt = 21520.85764
+step 4314 done with dt = 21414.05371
+step 4315 done with dt = 21307.77973
+step 4316 done with dt = 21202.03327
+step 4317 done with dt = 21096.8116
+step 4318 done with dt = 20992.11214
+step 4319 done with dt = 20887.93228
+step 4320 done with dt = 20784.26942
+step 4321 done with dt = 20681.12104
+step 4322 done with dt = 20578.48457
+step 4323 done with dt = 20476.35747
+step 4324 done with dt = 20374.7372
+step 4325 done with dt = 20273.62126
+step 4326 done with dt = 20173.00714
+step 4327 done with dt = 20072.89235
+step 4328 done with dt = 19973.27451
+step 4329 done with dt = 19874.15094
+step 4330 done with dt = 19775.51931
+step 4331 done with dt = 19677.37716
+step 4332 done with dt = 19579.72208
+step 4333 done with dt = 19482.55163
+step 4334 done with dt = 19385.86343
+step 4335 done with dt = 19289.65507
+step 4336 done with dt = 19193.92418
+step 4337 done with dt = 19098.66838
+step 4338 done with dt = 19003.88532
+step 4339 done with dt = 18909.57265
+step 4340 done with dt = 18815.728
+step 4341 done with dt = 18722.34911
+step 4342 done with dt = 18629.43366
+step 4343 done with dt = 18536.97932
+step 4344 done with dt = 18444.98382
+step 4345 done with dt = 18353.44502
+step 4346 done with dt = 18262.36036
+step 4347 done with dt = 18171.72774
+step 4348 done with dt = 18081.54492
+step 4349 done with dt = 17991.80965
+step 4350 done with dt = 17902.51976
+step 4351 done with dt = 17813.67295
+step 4352 done with dt = 17725.26723
+step 4353 done with dt = 17637.3001
+step 4354 done with dt = 17549.76948
+step 4355 done with dt = 17462.67332
+step 4356 done with dt = 17376.00909
+step 4357 done with dt = 17289.77526
+step 4358 done with dt = 17203.96939
+step 4359 done with dt = 17118.58938
+step 4360 done with dt = 17033.63308
+step 4361 done with dt = 16949.09839
+step 4362 done with dt = 16864.98327
+step 4363 done with dt = 16781.28557
+step 4364 done with dt = 16698.00363
+step 4365 done with dt = 16615.1348
+step 4366 done with dt = 16532.67702
+step 4367 done with dt = 16450.62849
+step 4368 done with dt = 16368.98715
+step 4369 done with dt = 16287.75074
+step 4370 done with dt = 16206.91772
+step 4371 done with dt = 16126.48586
+step 4372 done with dt = 16046.45291
+step 4373 done with dt = 15966.81741
+step 4374 done with dt = 15887.57714
+step 4375 done with dt = 15808.73018
+step 4376 done with dt = 15730.27445
+step 4377 done with dt = 15652.20771
+step 4378 done with dt = 15574.52873
+step 4379 done with dt = 15497.23532
+step 4380 done with dt = 15420.32548
+step 4381 done with dt = 15343.79733
+step 4382 done with dt = 15267.64904
+step 4383 done with dt = 15191.87859
+step 4384 done with dt = 15116.48418
+step 4385 done with dt = 15041.46396
+step 4386 done with dt = 14966.81625
+------------------------------------
+successful? 1
+------------------------------------
+T initial = 300
+T final =   2811.207219
+Tdust initial = 2.73
+Tdust final =   2811.228114
+Eint initial = 3.076181952e+10
+Eint final =   2.478723199e+11
+rho initial = 2.192485838e-25
+rho final =   1.989661731e-06
+numdens final =   5.670189018e+17
+------------------------------------
+New number densities: 
+8.412914755e+11
+2.396807474e+12
+2.236235976
+6.405982886e-05
+8.572287708e+16
+0.0001611585155
+5.332298561e-10
+4.037425745e+11
+6.855532471e-08
+7.073005674e-10
+4.109491978e+17
+3.761054318e-17
+8.671678263e+12
+1.456049659e-10
+1.650308794e-21
+7.033451336e+16
+2.473602851e-09
+0.000502828669
+0.000195826651
+0.001167253794
+0.006497881953
+1.865521147e-32
+2.352999816e-10
+0.001602637809
+5.537533357e-28
+9.719529679e-07
+2.822461066e-26
+2.69412668e-05
+2.131195609
+4.275851205e-23
+2.534923404e-13
+0.1051373945
+1.86318788e-21
+8.869168988e-21
+AMReX (22.07-589-g9b0d63e40412) finalized
diff --git a/unit_test/burn_cell_metal_chem/reference_solution_1e-3.out b/unit_test/burn_cell_metal_chem/reference_solution_1e-3.out
new file mode 100644
index 000000000..04d6c064b
--- /dev/null
+++ b/unit_test/burn_cell_metal_chem/reference_solution_1e-3.out
@@ -0,0 +1,4482 @@
+Initializing AMReX (22.07-589-g9b0d63e40412)...
+AMReX (22.07-589-g9b0d63e40412) initialized
+starting the single zone burn...
+Reading tables from Semenov_PlanckOpacity.dat
+Redshift: 0
+Metallicity: 0.001
+Dust2gas Ratio: 0.001
+ 
+Maximum Time (s): 7e+20
+State Temperature (K): 300
+Number Density input (CO_ice): 1e-41
+Number Density input (H2O_ice): 1e-41
+Number Density input (E): 1e-05
+Number Density input (Hp): 1e-05
+Number Density input (H): 0.1
+Number Density input (Hm): 1e-41
+Number Density input (Dp): 1e-41
+Number Density input (D): 1e-06
+Number Density input (H2p): 1e-41
+Number Density input (Dm): 1e-41
+Number Density input (H2): 1e-07
+Number Density input (HDp): 1e-41
+Number Density input (HD): 1e-41
+Number Density input (HEpp): 1e-41
+Number Density input (HEp): 1e-41
+Number Density input (HE): 0.00775
+Number Density input (Cp): 9.27e-09
+Number Density input (Carbon): 1e-41
+Number Density input (CH): 1e-41
+Number Density input (CH2): 1e-41
+Number Density input (CH3): 1e-41
+Number Density input (Op): 1e-41
+Number Density input (O): 3.568e-08
+Number Density input (CH4): 1e-41
+Number Density input (OHp): 1e-41
+Number Density input (OH): 1e-41
+Number Density input (H2Op): 1e-41
+Number Density input (H2O): 1e-41
+Number Density input (H3Op): 1e-41
+Number Density input (COp): 1e-41
+Number Density input (CO): 1e-41
+Number Density input (O2p): 1e-41
+Number Density input (O2): 1e-41
+Number Density input (CO2): 1e-41
+rho: 2.192383131e-25, dd: 0.107771145
+initial eint: 3.076314515e+10
+step 0 done with dt = 4.486422164e+13
+step 1 done with dt = 4.464156908e+13
+step 2 done with dt = 4.44200215e+13
+step 3 done with dt = 4.419957342e+13
+step 4 done with dt = 4.398021938e+13
+step 5 done with dt = 4.376195395e+13
+step 6 done with dt = 4.354477173e+13
+step 7 done with dt = 4.332866735e+13
+step 8 done with dt = 4.311363545e+13
+step 9 done with dt = 4.289967071e+13
+step 10 done with dt = 4.268676784e+13
+step 11 done with dt = 4.247492156e+13
+step 12 done with dt = 4.226412664e+13
+step 13 done with dt = 4.205437785e+13
+step 14 done with dt = 4.184567001e+13
+step 15 done with dt = 4.163799794e+13
+step 16 done with dt = 4.143135651e+13
+step 17 done with dt = 4.12257406e+13
+step 18 done with dt = 4.102114512e+13
+step 19 done with dt = 4.081756501e+13
+step 20 done with dt = 4.061499523e+13
+step 21 done with dt = 4.041343077e+13
+step 22 done with dt = 4.021286663e+13
+step 23 done with dt = 4.001329785e+13
+step 24 done with dt = 3.98147195e+13
+step 25 done with dt = 3.961712665e+13
+step 26 done with dt = 3.942051441e+13
+step 27 done with dt = 3.922487793e+13
+step 28 done with dt = 3.903021235e+13
+step 29 done with dt = 3.883651286e+13
+step 30 done with dt = 3.864377466e+13
+step 31 done with dt = 3.845199299e+13
+step 32 done with dt = 3.826116309e+13
+step 33 done with dt = 3.807128024e+13
+step 34 done with dt = 3.788233975e+13
+step 35 done with dt = 3.769433693e+13
+step 36 done with dt = 3.750726713e+13
+step 37 done with dt = 3.732112573e+13
+step 38 done with dt = 3.713590811e+13
+step 39 done with dt = 3.695160969e+13
+step 40 done with dt = 3.67682259e+13
+step 41 done with dt = 3.658575222e+13
+step 42 done with dt = 3.640418412e+13
+step 43 done with dt = 3.62235171e+13
+step 44 done with dt = 3.60437467e+13
+step 45 done with dt = 3.586486847e+13
+step 46 done with dt = 3.568687797e+13
+step 47 done with dt = 3.550977081e+13
+step 48 done with dt = 3.53335426e+13
+step 49 done with dt = 3.515818897e+13
+step 50 done with dt = 3.498370559e+13
+step 51 done with dt = 3.481008814e+13
+step 52 done with dt = 3.463733232e+13
+step 53 done with dt = 3.446543385e+13
+step 54 done with dt = 3.429438848e+13
+step 55 done with dt = 3.412419198e+13
+step 56 done with dt = 3.395484013e+13
+step 57 done with dt = 3.378632874e+13
+step 58 done with dt = 3.361865364e+13
+step 59 done with dt = 3.345181068e+13
+step 60 done with dt = 3.328579573e+13
+step 61 done with dt = 3.312060468e+13
+step 62 done with dt = 3.295623344e+13
+step 63 done with dt = 3.279267795e+13
+step 64 done with dt = 3.262993415e+13
+step 65 done with dt = 3.246799801e+13
+step 66 done with dt = 3.230686554e+13
+step 67 done with dt = 3.214653273e+13
+step 68 done with dt = 3.198699562e+13
+step 69 done with dt = 3.182825027e+13
+step 70 done with dt = 3.167029274e+13
+step 71 done with dt = 3.151311912e+13
+step 72 done with dt = 3.135672553e+13
+step 73 done with dt = 3.120110808e+13
+step 74 done with dt = 3.104626294e+13
+step 75 done with dt = 3.089218626e+13
+step 76 done with dt = 3.073887424e+13
+step 77 done with dt = 3.058632307e+13
+step 78 done with dt = 3.043452899e+13
+step 79 done with dt = 3.028348823e+13
+step 80 done with dt = 3.013319706e+13
+step 81 done with dt = 2.998365175e+13
+step 82 done with dt = 2.983484861e+13
+step 83 done with dt = 2.968678395e+13
+step 84 done with dt = 2.953945411e+13
+step 85 done with dt = 2.939285544e+13
+step 86 done with dt = 2.924698431e+13
+step 87 done with dt = 2.910183711e+13
+step 88 done with dt = 2.895741024e+13
+step 89 done with dt = 2.881370014e+13
+step 90 done with dt = 2.867070325e+13
+step 91 done with dt = 2.852841602e+13
+step 92 done with dt = 2.838683493e+13
+step 93 done with dt = 2.824595649e+13
+step 94 done with dt = 2.81057772e+13
+step 95 done with dt = 2.796629359e+13
+step 96 done with dt = 2.782750221e+13
+step 97 done with dt = 2.768939963e+13
+step 98 done with dt = 2.755198242e+13
+step 99 done with dt = 2.741524719e+13
+step 100 done with dt = 2.727919055e+13
+step 101 done with dt = 2.714380914e+13
+step 102 done with dt = 2.700909959e+13
+step 103 done with dt = 2.687505858e+13
+step 104 done with dt = 2.67416828e+13
+step 105 done with dt = 2.660896893e+13
+step 106 done with dt = 2.647691369e+13
+step 107 done with dt = 2.634551382e+13
+step 108 done with dt = 2.621476606e+13
+step 109 done with dt = 2.608466718e+13
+step 110 done with dt = 2.595521396e+13
+step 111 done with dt = 2.582640318e+13
+step 112 done with dt = 2.569823167e+13
+step 113 done with dt = 2.557069625e+13
+step 114 done with dt = 2.544379377e+13
+step 115 done with dt = 2.531752107e+13
+step 116 done with dt = 2.519187505e+13
+step 117 done with dt = 2.506685258e+13
+step 118 done with dt = 2.494245057e+13
+step 119 done with dt = 2.481866595e+13
+step 120 done with dt = 2.469549564e+13
+step 121 done with dt = 2.457293661e+13
+step 122 done with dt = 2.445098582e+13
+step 123 done with dt = 2.432964024e+13
+step 124 done with dt = 2.420889688e+13
+step 125 done with dt = 2.408875274e+13
+step 126 done with dt = 2.396920486e+13
+step 127 done with dt = 2.385025027e+13
+step 128 done with dt = 2.373188602e+13
+step 129 done with dt = 2.36141092e+13
+step 130 done with dt = 2.349691688e+13
+step 131 done with dt = 2.338030617e+13
+step 132 done with dt = 2.326427417e+13
+step 133 done with dt = 2.314881801e+13
+step 134 done with dt = 2.303393485e+13
+step 135 done with dt = 2.291962182e+13
+step 136 done with dt = 2.280587611e+13
+step 137 done with dt = 2.26926949e+13
+step 138 done with dt = 2.258007538e+13
+step 139 done with dt = 2.246801478e+13
+step 140 done with dt = 2.235651031e+13
+step 141 done with dt = 2.224555921e+13
+step 142 done with dt = 2.213515875e+13
+step 143 done with dt = 2.202530618e+13
+step 144 done with dt = 2.191599878e+13
+step 145 done with dt = 2.180723386e+13
+step 146 done with dt = 2.169900872e+13
+step 147 done with dt = 2.159132068e+13
+step 148 done with dt = 2.148416707e+13
+step 149 done with dt = 2.137754525e+13
+step 150 done with dt = 2.127145257e+13
+step 151 done with dt = 2.116588641e+13
+step 152 done with dt = 2.106084415e+13
+step 153 done with dt = 2.09563232e+13
+step 154 done with dt = 2.085232097e+13
+step 155 done with dt = 2.074883488e+13
+step 156 done with dt = 2.064586237e+13
+step 157 done with dt = 2.054340089e+13
+step 158 done with dt = 2.044144791e+13
+step 159 done with dt = 2.03400009e+13
+step 160 done with dt = 2.023905736e+13
+step 161 done with dt = 2.013861478e+13
+step 162 done with dt = 2.003867068e+13
+step 163 done with dt = 1.993922258e+13
+step 164 done with dt = 1.984026802e+13
+step 165 done with dt = 1.974180455e+13
+step 166 done with dt = 1.964382974e+13
+step 167 done with dt = 1.954634116e+13
+step 168 done with dt = 1.94493364e+13
+step 169 done with dt = 1.935281305e+13
+step 170 done with dt = 1.925676873e+13
+step 171 done with dt = 1.916120106e+13
+step 172 done with dt = 1.906610768e+13
+step 173 done with dt = 1.897148622e+13
+step 174 done with dt = 1.887733435e+13
+step 175 done with dt = 1.878364974e+13
+step 176 done with dt = 1.869043007e+13
+step 177 done with dt = 1.859767303e+13
+step 178 done with dt = 1.850537633e+13
+step 179 done with dt = 1.841353768e+13
+step 180 done with dt = 1.83221548e+13
+step 181 done with dt = 1.823122544e+13
+step 182 done with dt = 1.814074735e+13
+step 183 done with dt = 1.805071828e+13
+step 184 done with dt = 1.796113601e+13
+step 185 done with dt = 1.787199831e+13
+step 186 done with dt = 1.7783303e+13
+step 187 done with dt = 1.769504785e+13
+step 188 done with dt = 1.760723071e+13
+step 189 done with dt = 1.751984938e+13
+step 190 done with dt = 1.743290171e+13
+step 191 done with dt = 1.734638554e+13
+step 192 done with dt = 1.726029874e+13
+step 193 done with dt = 1.717463917e+13
+step 194 done with dt = 1.708940471e+13
+step 195 done with dt = 1.700459325e+13
+step 196 done with dt = 1.69202027e+13
+step 197 done with dt = 1.683623096e+13
+step 198 done with dt = 1.675267596e+13
+step 199 done with dt = 1.666953562e+13
+step 200 done with dt = 1.65868079e+13
+step 201 done with dt = 1.650449073e+13
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+step 4172 done with dt = 43402.58985
+step 4173 done with dt = 43187.19105
+step 4174 done with dt = 42972.86123
+step 4175 done with dt = 42759.5951
+step 4176 done with dt = 42547.38736
+step 4177 done with dt = 42336.23277
+step 4178 done with dt = 42126.1261
+step 4179 done with dt = 41917.06215
+step 4180 done with dt = 41709.03574
+step 4181 done with dt = 41502.04173
+step 4182 done with dt = 41296.07499
+step 4183 done with dt = 41091.13043
+step 4184 done with dt = 40887.20296
+step 4185 done with dt = 40684.28755
+step 4186 done with dt = 40482.37917
+step 4187 done with dt = 40281.47282
+step 4188 done with dt = 40081.56353
+step 4189 done with dt = 39882.64636
+step 4190 done with dt = 39684.71638
+step 4191 done with dt = 39487.76868
+step 4192 done with dt = 39291.79839
+step 4193 done with dt = 39096.80067
+step 4194 done with dt = 38902.77068
+step 4195 done with dt = 38709.70363
+step 4196 done with dt = 38517.59473
+step 4197 done with dt = 38326.43924
+step 4198 done with dt = 38136.23241
+step 4199 done with dt = 37946.96955
+step 4200 done with dt = 37758.64595
+step 4201 done with dt = 37571.25698
+step 4202 done with dt = 37384.79798
+step 4203 done with dt = 37199.26433
+step 4204 done with dt = 37014.65146
+step 4205 done with dt = 36830.95479
+step 4206 done with dt = 36648.16976
+step 4207 done with dt = 36466.29187
+step 4208 done with dt = 36285.3166
+step 4209 done with dt = 36105.23948
+step 4210 done with dt = 35926.05604
+step 4211 done with dt = 35747.76186
+step 4212 done with dt = 35570.35251
+step 4213 done with dt = 35393.82362
+step 4214 done with dt = 35218.17081
+step 4215 done with dt = 35043.38972
+step 4216 done with dt = 34869.47604
+step 4217 done with dt = 34696.42547
+step 4218 done with dt = 34524.23371
+step 4219 done with dt = 34352.8965
+step 4220 done with dt = 34182.40961
+step 4221 done with dt = 34012.76882
+step 4222 done with dt = 33843.96991
+step 4223 done with dt = 33676.00873
+step 4224 done with dt = 33508.8811
+step 4225 done with dt = 33342.5829
+step 4226 done with dt = 33177.11001
+step 4227 done with dt = 33012.45832
+step 4228 done with dt = 32848.62377
+step 4229 done with dt = 32685.6023
+step 4230 done with dt = 32523.38987
+step 4231 done with dt = 32361.98247
+step 4232 done with dt = 32201.37611
+step 4233 done with dt = 32041.56681
+step 4234 done with dt = 31882.55061
+step 4235 done with dt = 31724.32357
+step 4236 done with dt = 31566.88179
+step 4237 done with dt = 31410.22136
+step 4238 done with dt = 31254.3384
+step 4239 done with dt = 31099.22907
+step 4240 done with dt = 30944.88951
+step 4241 done with dt = 30791.31591
+step 4242 done with dt = 30638.50446
+step 4243 done with dt = 30486.45139
+step 4244 done with dt = 30335.15293
+step 4245 done with dt = 30184.60534
+step 4246 done with dt = 30034.80488
+step 4247 done with dt = 29885.74785
+step 4248 done with dt = 29737.43056
+step 4249 done with dt = 29589.84935
+step 4250 done with dt = 29443.00056
+step 4251 done with dt = 29296.88055
+step 4252 done with dt = 29151.4857
+step 4253 done with dt = 29006.81242
+step 4254 done with dt = 28862.85712
+step 4255 done with dt = 28719.61625
+step 4256 done with dt = 28577.08625
+step 4257 done with dt = 28435.26361
+step 4258 done with dt = 28294.14481
+step 4259 done with dt = 28153.72635
+step 4260 done with dt = 28014.00476
+step 4261 done with dt = 27874.97658
+step 4262 done with dt = 27736.63838
+step 4263 done with dt = 27598.98672
+step 4264 done with dt = 27462.01819
+step 4265 done with dt = 27325.72941
+step 4266 done with dt = 27190.11702
+step 4267 done with dt = 27055.17764
+step 4268 done with dt = 26920.90794
+step 4269 done with dt = 26787.30459
+step 4270 done with dt = 26654.36429
+step 4271 done with dt = 26522.08375
+step 4272 done with dt = 26390.4597
+step 4273 done with dt = 26259.48887
+step 4274 done with dt = 26129.16802
+step 4275 done with dt = 25999.49393
+step 4276 done with dt = 25870.46338
+step 4277 done with dt = 25742.0732
+step 4278 done with dt = 25614.32016
+step 4279 done with dt = 25487.20116
+step 4280 done with dt = 25360.71302
+step 4281 done with dt = 25234.8526
+step 4282 done with dt = 25109.61683
+step 4283 done with dt = 24985.00257
+step 4284 done with dt = 24861.00675
+step 4285 done with dt = 24737.62631
+step 4286 done with dt = 24614.85818
+step 4287 done with dt = 24492.6993
+step 4288 done with dt = 24371.14669
+step 4289 done with dt = 24250.19733
+step 4290 done with dt = 24129.84821
+step 4291 done with dt = 24010.09636
+step 4292 done with dt = 23890.93882
+step 4293 done with dt = 23772.37264
+step 4294 done with dt = 23654.39487
+step 4295 done with dt = 23537.00261
+step 4296 done with dt = 23420.19294
+step 4297 done with dt = 23303.96298
+step 4298 done with dt = 23188.30985
+step 4299 done with dt = 23073.23067
+step 4300 done with dt = 22958.72262
+step 4301 done with dt = 22844.78285
+step 4302 done with dt = 22731.40852
+step 4303 done with dt = 22618.59687
+step 4304 done with dt = 22506.34507
+step 4305 done with dt = 22394.65035
+step 4306 done with dt = 22283.50996
+step 4307 done with dt = 22172.9211
+step 4308 done with dt = 22062.88111
+step 4309 done with dt = 21953.38722
+step 4310 done with dt = 21844.43673
+step 4311 done with dt = 21736.02694
+step 4312 done with dt = 21628.15517
+step 4313 done with dt = 21520.81888
+step 4314 done with dt = 21414.01514
+step 4315 done with dt = 21307.74146
+step 4316 done with dt = 21201.99519
+step 4317 done with dt = 21096.77371
+step 4318 done with dt = 20992.07444
+step 4319 done with dt = 20887.89475
+step 4320 done with dt = 20784.2321
+step 4321 done with dt = 20681.08399
+step 4322 done with dt = 20578.44769
+step 4323 done with dt = 20476.32086
+step 4324 done with dt = 20374.70076
+step 4325 done with dt = 20273.585
+step 4326 done with dt = 20172.97117
+step 4327 done with dt = 20072.85655
+step 4328 done with dt = 19973.23878
+step 4329 done with dt = 19874.11521
+step 4330 done with dt = 19775.48376
+step 4331 done with dt = 19677.34179
+step 4332 done with dt = 19579.68688
+step 4333 done with dt = 19482.51661
+step 4334 done with dt = 19385.82859
+step 4335 done with dt = 19289.62038
+step 4336 done with dt = 19193.88966
+step 4337 done with dt = 19098.63403
+step 4338 done with dt = 19003.85108
+step 4339 done with dt = 18909.53858
+step 4340 done with dt = 18815.69412
+step 4341 done with dt = 18722.3154
+step 4342 done with dt = 18629.40011
+step 4343 done with dt = 18536.94594
+step 4344 done with dt = 18444.95062
+step 4345 done with dt = 18353.41182
+step 4346 done with dt = 18262.32694
+step 4347 done with dt = 18171.69448
+step 4348 done with dt = 18081.50989
+step 4349 done with dt = 17991.7749
+step 4350 done with dt = 17902.48514
+step 4351 done with dt = 17813.63888
+step 4352 done with dt = 17725.23316
+step 4353 done with dt = 17637.26621
+step 4354 done with dt = 17549.73524
+step 4355 done with dt = 17462.63921
+step 4356 done with dt = 17375.97516
+step 4357 done with dt = 17289.7415
+step 4358 done with dt = 17203.9358
+step 4359 done with dt = 17118.55594
+step 4360 done with dt = 17033.59976
+step 4361 done with dt = 16949.06524
+step 4362 done with dt = 16864.95025
+step 4363 done with dt = 16781.25271
+step 4364 done with dt = 16697.9679
+step 4365 done with dt = 16615.09978
+step 4366 done with dt = 16532.6422
+step 4367 done with dt = 16450.59384
+step 4368 done with dt = 16368.95268
+step 4369 done with dt = 16287.71663
+step 4370 done with dt = 16206.88378
+step 4371 done with dt = 16126.45209
+step 4372 done with dt = 16046.41957
+step 4373 done with dt = 15966.7842
+step 4374 done with dt = 15887.54409
+step 4375 done with dt = 15808.69723
+step 4376 done with dt = 15730.24167
+step 4377 done with dt = 15652.17547
+step 4378 done with dt = 15574.4967
+step 4379 done with dt = 15497.20512
+step 4380 done with dt = 15420.29701
+step 4381 done with dt = 15343.76901
+step 4382 done with dt = 15267.62098
+step 4383 done with dt = 15191.85261
+step 4384 done with dt = 15116.45781
+step 4385 done with dt = 15041.43769
+step 4386 done with dt = 14966.7899
+------------------------------------
+successful? 1
+------------------------------------
+T initial = 300
+T final =   2831.090224
+Tdust initial = 2.73
+Tdust final =   2831.289176
+Eint initial = 3.076314515e+10
+Eint final =   2.499224717e+11
+rho initial = 2.192383131e-25
+rho final =   1.989668738e-06
+numdens final =   5.700271327e+17
+------------------------------------
+New number densities: 
+8.412915268e+10
+2.396823174e+11
+4.033710506
+6.777594776e-05
+9.174097417e+16
+0.0002983374384
+5.593606493e-10
+4.328369028e+11
+7.097532349e-08
+1.311908161e-09
+4.079422459e+17
+4.006694765e-17
+8.64258412e+12
+2.245209778e-14
+2.215435849e-21
+7.033451336e+16
+1.304995286e-08
+8.203048039e-05
+3.050552029e-05
+0.0001694822058
+0.0008735603933
+5.43479155e-31
+6.483863045e-09
+0.0001998289953
+1.534470988e-26
+2.532177639e-05
+7.160676166e-25
+0.0006407136702
+0.4462317747
+2.224187897e-22
+8.810161969e-12
+3.587709209
+9.496345982e-21
+1.037846593e-34
+AMReX (22.07-589-g9b0d63e40412) finalized
diff --git a/unit_test/burn_cell_metal_chem/reference_solution_1e-4.out b/unit_test/burn_cell_metal_chem/reference_solution_1e-4.out
new file mode 100644
index 000000000..d1c26a24d
--- /dev/null
+++ b/unit_test/burn_cell_metal_chem/reference_solution_1e-4.out
@@ -0,0 +1,4482 @@
+Initializing AMReX (22.07-589-g9b0d63e40412)...
+AMReX (22.07-589-g9b0d63e40412) initialized
+starting the single zone burn...
+Reading tables from Semenov_PlanckOpacity.dat
+Redshift: 0
+Metallicity: 0.0001
+Dust2gas Ratio: 0.0001
+ 
+Maximum Time (s): 7e+20
+State Temperature (K): 300
+Number Density input (CO_ice): 1e-41
+Number Density input (H2O_ice): 1e-41
+Number Density input (E): 1e-05
+Number Density input (Hp): 1e-05
+Number Density input (H): 0.1
+Number Density input (Hm): 1e-41
+Number Density input (Dp): 1e-41
+Number Density input (D): 1e-06
+Number Density input (H2p): 1e-41
+Number Density input (Dm): 1e-41
+Number Density input (H2): 1e-07
+Number Density input (HDp): 1e-41
+Number Density input (HD): 1e-41
+Number Density input (HEpp): 1e-41
+Number Density input (HEp): 1e-41
+Number Density input (HE): 0.00775
+Number Density input (Cp): 9.27e-10
+Number Density input (Carbon): 1e-41
+Number Density input (CH): 1e-41
+Number Density input (CH2): 1e-41
+Number Density input (CH3): 1e-41
+Number Density input (Op): 1e-41
+Number Density input (O): 3.568e-09
+Number Density input (CH4): 1e-41
+Number Density input (OHp): 1e-41
+Number Density input (OH): 1e-41
+Number Density input (H2Op): 1e-41
+Number Density input (H2O): 1e-41
+Number Density input (H3Op): 1e-41
+Number Density input (COp): 1e-41
+Number Density input (CO): 1e-41
+Number Density input (O2p): 1e-41
+Number Density input (O2): 1e-41
+Number Density input (CO2): 1e-41
+rho: 2.19237286e-25, dd: 0.1077711045
+initial eint: 3.076327772e+10
+step 0 done with dt = 4.486432673e+13
+step 1 done with dt = 4.464167362e+13
+step 2 done with dt = 4.442012549e+13
+step 3 done with dt = 4.419967686e+13
+step 4 done with dt = 4.398032227e+13
+step 5 done with dt = 4.37620563e+13
+step 6 done with dt = 4.354487354e+13
+step 7 done with dt = 4.332876862e+13
+step 8 done with dt = 4.311373619e+13
+step 9 done with dt = 4.289977092e+13
+step 10 done with dt = 4.268686752e+13
+step 11 done with dt = 4.247502072e+13
+step 12 done with dt = 4.226422527e+13
+step 13 done with dt = 4.205447596e+13
+step 14 done with dt = 4.18457676e+13
+step 15 done with dt = 4.163809502e+13
+step 16 done with dt = 4.143145308e+13
+step 17 done with dt = 4.122583666e+13
+step 18 done with dt = 4.102124068e+13
+step 19 done with dt = 4.081766007e+13
+step 20 done with dt = 4.061508979e+13
+step 21 done with dt = 4.041352482e+13
+step 22 done with dt = 4.021296019e+13
+step 23 done with dt = 4.001339092e+13
+step 24 done with dt = 3.981481208e+13
+step 25 done with dt = 3.961721874e+13
+step 26 done with dt = 3.942060602e+13
+step 27 done with dt = 3.922496906e+13
+step 28 done with dt = 3.9030303e+13
+step 29 done with dt = 3.883660303e+13
+step 30 done with dt = 3.864386436e+13
+step 31 done with dt = 3.845208222e+13
+step 32 done with dt = 3.826125185e+13
+step 33 done with dt = 3.807136854e+13
+step 34 done with dt = 3.788242758e+13
+step 35 done with dt = 3.76944243e+13
+step 36 done with dt = 3.750735404e+13
+step 37 done with dt = 3.732121218e+13
+step 38 done with dt = 3.713599411e+13
+step 39 done with dt = 3.695169523e+13
+step 40 done with dt = 3.6768311e+13
+step 41 done with dt = 3.658583687e+13
+step 42 done with dt = 3.640426832e+13
+step 43 done with dt = 3.622360087e+13
+step 44 done with dt = 3.604383003e+13
+step 45 done with dt = 3.586495136e+13
+step 46 done with dt = 3.568696043e+13
+step 47 done with dt = 3.550985284e+13
+step 48 done with dt = 3.533362419e+13
+step 49 done with dt = 3.515827014e+13
+step 50 done with dt = 3.498378634e+13
+step 51 done with dt = 3.481016846e+13
+step 52 done with dt = 3.463741222e+13
+step 53 done with dt = 3.446551333e+13
+step 54 done with dt = 3.429446755e+13
+step 55 done with dt = 3.412427063e+13
+step 56 done with dt = 3.395491837e+13
+step 57 done with dt = 3.378640657e+13
+step 58 done with dt = 3.361873106e+13
+step 59 done with dt = 3.34518877e+13
+step 60 done with dt = 3.328587234e+13
+step 61 done with dt = 3.312068089e+13
+step 62 done with dt = 3.295630926e+13
+step 63 done with dt = 3.279275336e+13
+step 64 done with dt = 3.263000917e+13
+step 65 done with dt = 3.246807264e+13
+step 66 done with dt = 3.230693978e+13
+step 67 done with dt = 3.214660658e+13
+step 68 done with dt = 3.198706909e+13
+step 69 done with dt = 3.182832335e+13
+step 70 done with dt = 3.167036544e+13
+step 71 done with dt = 3.151319144e+13
+step 72 done with dt = 3.135679747e+13
+step 73 done with dt = 3.120117965e+13
+step 74 done with dt = 3.104633413e+13
+step 75 done with dt = 3.089225708e+13
+step 76 done with dt = 3.073894469e+13
+step 77 done with dt = 3.058639316e+13
+step 78 done with dt = 3.043459871e+13
+step 79 done with dt = 3.028355758e+13
+step 80 done with dt = 3.013326605e+13
+step 81 done with dt = 2.998372038e+13
+step 82 done with dt = 2.983491688e+13
+step 83 done with dt = 2.968685187e+13
+step 84 done with dt = 2.953952167e+13
+step 85 done with dt = 2.939292265e+13
+step 86 done with dt = 2.924705116e+13
+step 87 done with dt = 2.910190361e+13
+step 88 done with dt = 2.89574764e+13
+step 89 done with dt = 2.881376596e+13
+step 90 done with dt = 2.867076872e+13
+step 91 done with dt = 2.852848115e+13
+step 92 done with dt = 2.838689973e+13
+step 93 done with dt = 2.824602094e+13
+step 94 done with dt = 2.810584132e+13
+step 95 done with dt = 2.796635737e+13
+step 96 done with dt = 2.782756566e+13
+step 97 done with dt = 2.768946275e+13
+step 98 done with dt = 2.755204522e+13
+step 99 done with dt = 2.741530966e+13
+step 100 done with dt = 2.727925269e+13
+step 101 done with dt = 2.714387095e+13
+step 102 done with dt = 2.700916108e+13
+step 103 done with dt = 2.687511976e+13
+step 104 done with dt = 2.674174365e+13
+step 105 done with dt = 2.660902947e+13
+step 106 done with dt = 2.647697392e+13
+step 107 done with dt = 2.634557373e+13
+step 108 done with dt = 2.621482566e+13
+step 109 done with dt = 2.608472647e+13
+step 110 done with dt = 2.595527294e+13
+step 111 done with dt = 2.582646185e+13
+step 112 done with dt = 2.569829004e+13
+step 113 done with dt = 2.557075431e+13
+step 114 done with dt = 2.544385153e+13
+step 115 done with dt = 2.531757853e+13
+step 116 done with dt = 2.519193221e+13
+step 117 done with dt = 2.506690944e+13
+step 118 done with dt = 2.494250714e+13
+step 119 done with dt = 2.481872222e+13
+step 120 done with dt = 2.469555163e+13
+step 121 done with dt = 2.45729923e+13
+step 122 done with dt = 2.445104122e+13
+step 123 done with dt = 2.432969535e+13
+step 124 done with dt = 2.42089517e+13
+step 125 done with dt = 2.408880728e+13
+step 126 done with dt = 2.396925911e+13
+step 127 done with dt = 2.385030424e+13
+step 128 done with dt = 2.373193972e+13
+step 129 done with dt = 2.361416262e+13
+step 130 done with dt = 2.349697002e+13
+step 131 done with dt = 2.338035903e+13
+step 132 done with dt = 2.326432676e+13
+step 133 done with dt = 2.314887033e+13
+step 134 done with dt = 2.303398689e+13
+step 135 done with dt = 2.29196736e+13
+step 136 done with dt = 2.280592762e+13
+step 137 done with dt = 2.269274614e+13
+step 138 done with dt = 2.258012636e+13
+step 139 done with dt = 2.246806549e+13
+step 140 done with dt = 2.235656075e+13
+step 141 done with dt = 2.224560939e+13
+step 142 done with dt = 2.213520867e+13
+step 143 done with dt = 2.202535584e+13
+step 144 done with dt = 2.191604819e+13
+step 145 done with dt = 2.180728301e+13
+step 146 done with dt = 2.169905761e+13
+step 147 done with dt = 2.159136932e+13
+step 148 done with dt = 2.148421546e+13
+step 149 done with dt = 2.137759339e+13
+step 150 done with dt = 2.127150046e+13
+step 151 done with dt = 2.116593405e+13
+step 152 done with dt = 2.106089155e+13
+step 153 done with dt = 2.095637035e+13
+step 154 done with dt = 2.085236787e+13
+step 155 done with dt = 2.074888154e+13
+step 156 done with dt = 2.064590878e+13
+step 157 done with dt = 2.054344707e+13
+step 158 done with dt = 2.044149385e+13
+step 159 done with dt = 2.03400466e+13
+step 160 done with dt = 2.023910282e+13
+step 161 done with dt = 2.013866001e+13
+step 162 done with dt = 2.003871567e+13
+step 163 done with dt = 1.993926733e+13
+step 164 done with dt = 1.984031254e+13
+step 165 done with dt = 1.974184885e+13
+step 166 done with dt = 1.964387381e+13
+step 167 done with dt = 1.9546385e+13
+step 168 done with dt = 1.944938001e+13
+step 169 done with dt = 1.935285644e+13
+step 170 done with dt = 1.925681189e+13
+step 171 done with dt = 1.9161244e+13
+step 172 done with dt = 1.906615039e+13
+step 173 done with dt = 1.897152871e+13
+step 174 done with dt = 1.887737663e+13
+step 175 done with dt = 1.87836918e+13
+step 176 done with dt = 1.869047191e+13
+step 177 done with dt = 1.859771465e+13
+step 178 done with dt = 1.850541773e+13
+step 179 done with dt = 1.841357887e+13
+step 180 done with dt = 1.832219578e+13
+step 181 done with dt = 1.823126621e+13
+step 182 done with dt = 1.81407879e+13
+step 183 done with dt = 1.805075862e+13
+step 184 done with dt = 1.796117614e+13
+step 185 done with dt = 1.787203824e+13
+step 186 done with dt = 1.778334272e+13
+step 187 done with dt = 1.769508737e+13
+step 188 done with dt = 1.760727002e+13
+step 189 done with dt = 1.751988849e+13
+step 190 done with dt = 1.743294061e+13
+step 191 done with dt = 1.734642425e+13
+step 192 done with dt = 1.726033724e+13
+step 193 done with dt = 1.717467747e+13
+step 194 done with dt = 1.708944282e+13
+step 195 done with dt = 1.700463116e+13
+step 196 done with dt = 1.692024041e+13
+step 197 done with dt = 1.683626848e+13
+step 198 done with dt = 1.675271328e+13
+step 199 done with dt = 1.666957276e+13
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+step 4170 done with dt = 43836.60781
+step 4171 done with dt = 43619.05507
+step 4172 done with dt = 43402.58199
+step 4173 done with dt = 43187.18323
+step 4174 done with dt = 42972.85346
+step 4175 done with dt = 42759.58735
+step 4176 done with dt = 42547.37966
+step 4177 done with dt = 42336.22511
+step 4178 done with dt = 42126.11847
+step 4179 done with dt = 41917.05456
+step 4180 done with dt = 41709.02819
+step 4181 done with dt = 41502.03422
+step 4182 done with dt = 41296.06751
+step 4183 done with dt = 41091.12298
+step 4184 done with dt = 40887.19555
+step 4185 done with dt = 40684.28019
+step 4186 done with dt = 40482.37184
+step 4187 done with dt = 40281.46553
+step 4188 done with dt = 40081.55629
+step 4189 done with dt = 39882.63915
+step 4190 done with dt = 39684.70921
+step 4191 done with dt = 39487.76155
+step 4192 done with dt = 39291.7913
+step 4193 done with dt = 39096.79362
+step 4194 done with dt = 38902.76366
+step 4195 done with dt = 38709.69665
+step 4196 done with dt = 38517.58779
+step 4197 done with dt = 38326.43232
+step 4198 done with dt = 38136.22553
+step 4199 done with dt = 37946.9627
+step 4200 done with dt = 37758.63914
+step 4201 done with dt = 37571.25019
+step 4202 done with dt = 37384.79123
+step 4203 done with dt = 37199.25761
+step 4204 done with dt = 37014.64478
+step 4205 done with dt = 36830.94814
+step 4206 done with dt = 36648.16315
+step 4207 done with dt = 36466.28529
+step 4208 done with dt = 36285.31005
+step 4209 done with dt = 36105.23296
+step 4210 done with dt = 35926.04956
+step 4211 done with dt = 35747.75541
+step 4212 done with dt = 35570.34611
+step 4213 done with dt = 35393.81725
+step 4214 done with dt = 35218.16447
+step 4215 done with dt = 35043.38341
+step 4216 done with dt = 34869.46977
+step 4217 done with dt = 34696.41923
+step 4218 done with dt = 34524.2275
+step 4219 done with dt = 34352.89032
+step 4220 done with dt = 34182.40346
+step 4221 done with dt = 34012.7627
+step 4222 done with dt = 33843.96383
+step 4223 done with dt = 33676.00266
+step 4224 done with dt = 33508.87506
+step 4225 done with dt = 33342.57689
+step 4226 done with dt = 33177.10402
+step 4227 done with dt = 33012.45236
+step 4228 done with dt = 32848.61784
+step 4229 done with dt = 32685.59639
+step 4230 done with dt = 32523.38398
+step 4231 done with dt = 32361.9766
+step 4232 done with dt = 32201.37027
+step 4233 done with dt = 32041.561
+step 4234 done with dt = 31882.54482
+step 4235 done with dt = 31724.31782
+step 4236 done with dt = 31566.87605
+step 4237 done with dt = 31410.21567
+step 4238 done with dt = 31254.33274
+step 4239 done with dt = 31099.22343
+step 4240 done with dt = 30944.88389
+step 4241 done with dt = 30791.31032
+step 4242 done with dt = 30638.49889
+step 4243 done with dt = 30486.44585
+step 4244 done with dt = 30335.14742
+step 4245 done with dt = 30184.59984
+step 4246 done with dt = 30034.79942
+step 4247 done with dt = 29885.74243
+step 4248 done with dt = 29737.42518
+step 4249 done with dt = 29589.84399
+step 4250 done with dt = 29442.99521
+step 4251 done with dt = 29296.87522
+step 4252 done with dt = 29151.48039
+step 4253 done with dt = 29006.80713
+step 4254 done with dt = 28862.85185
+step 4255 done with dt = 28719.61101
+step 4256 done with dt = 28577.08103
+step 4257 done with dt = 28435.25841
+step 4258 done with dt = 28294.13963
+step 4259 done with dt = 28153.7212
+step 4260 done with dt = 28013.99963
+step 4261 done with dt = 27874.97149
+step 4262 done with dt = 27736.63329
+step 4263 done with dt = 27598.98166
+step 4264 done with dt = 27462.01317
+step 4265 done with dt = 27325.72442
+step 4266 done with dt = 27190.11204
+step 4267 done with dt = 27055.17269
+step 4268 done with dt = 26920.90297
+step 4269 done with dt = 26787.29965
+step 4270 done with dt = 26654.35937
+step 4271 done with dt = 26522.07885
+step 4272 done with dt = 26390.45482
+step 4273 done with dt = 26259.48401
+step 4274 done with dt = 26129.16319
+step 4275 done with dt = 25999.48912
+step 4276 done with dt = 25870.4586
+step 4277 done with dt = 25742.06844
+step 4278 done with dt = 25614.31545
+step 4279 done with dt = 25487.19645
+step 4280 done with dt = 25360.70833
+step 4281 done with dt = 25234.84795
+step 4282 done with dt = 25109.61214
+step 4283 done with dt = 24984.99792
+step 4284 done with dt = 24861.00213
+step 4285 done with dt = 24737.62169
+step 4286 done with dt = 24614.85359
+step 4287 done with dt = 24492.69476
+step 4288 done with dt = 24371.14214
+step 4289 done with dt = 24250.19292
+step 4290 done with dt = 24129.84383
+step 4291 done with dt = 24010.09161
+step 4292 done with dt = 23890.93409
+step 4293 done with dt = 23772.36791
+step 4294 done with dt = 23654.39016
+step 4295 done with dt = 23536.99792
+step 4296 done with dt = 23420.18827
+step 4297 done with dt = 23303.95816
+step 4298 done with dt = 23188.30505
+step 4299 done with dt = 23073.2259
+step 4300 done with dt = 22958.71785
+step 4301 done with dt = 22844.77811
+step 4302 done with dt = 22731.40382
+step 4303 done with dt = 22618.59219
+step 4304 done with dt = 22506.34039
+step 4305 done with dt = 22394.64569
+step 4306 done with dt = 22283.50529
+step 4307 done with dt = 22172.91649
+step 4308 done with dt = 22062.87649
+step 4309 done with dt = 21953.38263
+step 4310 done with dt = 21844.43214
+step 4311 done with dt = 21736.02238
+step 4312 done with dt = 21628.15047
+step 4313 done with dt = 21520.81408
+step 4314 done with dt = 21414.01037
+step 4315 done with dt = 21307.73672
+step 4316 done with dt = 21201.99047
+step 4317 done with dt = 21096.76902
+step 4318 done with dt = 20992.06977
+step 4319 done with dt = 20887.89009
+step 4320 done with dt = 20784.22743
+step 4321 done with dt = 20681.07922
+step 4322 done with dt = 20578.44291
+step 4323 done with dt = 20476.31599
+step 4324 done with dt = 20374.69593
+step 4325 done with dt = 20273.5801
+step 4326 done with dt = 20172.96616
+step 4327 done with dt = 20072.85157
+step 4328 done with dt = 19973.23375
+step 4329 done with dt = 19874.11037
+step 4330 done with dt = 19775.47895
+step 4331 done with dt = 19677.337
+step 4332 done with dt = 19579.68212
+step 4333 done with dt = 19482.51104
+step 4334 done with dt = 19385.82305
+step 4335 done with dt = 19289.6149
+step 4336 done with dt = 19193.88421
+step 4337 done with dt = 19098.62855
+step 4338 done with dt = 19003.84567
+step 4339 done with dt = 18909.53319
+step 4340 done with dt = 18815.68871
+step 4341 done with dt = 18722.31002
+step 4342 done with dt = 18629.39476
+step 4343 done with dt = 18536.94059
+step 4344 done with dt = 18444.94523
+step 4345 done with dt = 18353.40646
+step 4346 done with dt = 18262.32187
+step 4347 done with dt = 18171.68942
+step 4348 done with dt = 18081.50677
+step 4349 done with dt = 17991.7719
+step 4350 done with dt = 17902.48215
+step 4351 done with dt = 17813.63553
+step 4352 done with dt = 17725.22981
+step 4353 done with dt = 17637.26286
+step 4354 done with dt = 17549.73246
+step 4355 done with dt = 17462.63648
+step 4356 done with dt = 17375.97273
+step 4357 done with dt = 17289.73907
+step 4358 done with dt = 17203.93337
+step 4359 done with dt = 17118.55351
+step 4360 done with dt = 17033.59677
+step 4361 done with dt = 16949.06226
+step 4362 done with dt = 16864.94727
+step 4363 done with dt = 16781.24975
+step 4364 done with dt = 16697.9676
+step 4365 done with dt = 16615.09876
+step 4366 done with dt = 16532.64119
+step 4367 done with dt = 16450.59281
+step 4368 done with dt = 16368.95163
+step 4369 done with dt = 16287.71562
+step 4370 done with dt = 16206.88278
+step 4371 done with dt = 16126.45103
+step 4372 done with dt = 16046.41852
+step 4373 done with dt = 15966.78319
+step 4374 done with dt = 15887.54308
+step 4375 done with dt = 15808.69612
+step 4376 done with dt = 15730.24058
+step 4377 done with dt = 15652.17441
+step 4378 done with dt = 15574.49565
+step 4379 done with dt = 15497.20239
+step 4380 done with dt = 15420.29273
+step 4381 done with dt = 15343.76474
+step 4382 done with dt = 15267.61656
+step 4383 done with dt = 15191.84618
+step 4384 done with dt = 15116.45196
+step 4385 done with dt = 15041.43167
+step 4386 done with dt = 14966.7839
+------------------------------------
+successful? 1
+------------------------------------
+T initial = 300
+T final =   2884.322233
+Tdust initial = 2.73
+Tdust final =   2885.222529
+Eint initial = 3.076327772e+10
+Eint final =   2.555031196e+11
+rho initial = 2.19237286e-25
+rho final =   1.989670334e-06
+numdens final =   5.787722231e+17
+------------------------------------
+New number densities: 
+8412915325
+2.396818542e+10
+5.962439927
+0.0005137258492
+1.092306741e+17
+0.0004716327583
+4.142389741e-09
+5.183837544e+11
+5.083763652e-07
+2.087320476e-09
+3.991979278e+17
+3.093116661e-16
+8.557037312e+12
+4.381451187e-08
+3.7384033e-20
+7.033451336e+16
+1.431469116e-07
+3.125096897e-05
+1.030321161e-05
+4.764610267e-05
+0.000200901188
+1.246503729e-28
+1.967791718e-07
+3.775902673e-05
+3.167115752e-24
+0.000678373265
+1.175791827e-22
+0.01353231898
+0.03355686142
+1.176079223e-22
+5.66867762e-11
+5.928840231
+4.761295975e-21
+1.381019684e-32
+AMReX (22.07-589-g9b0d63e40412) finalized
diff --git a/unit_test/burn_cell_metal_chem/reference_solution_1e-5.out b/unit_test/burn_cell_metal_chem/reference_solution_1e-5.out
new file mode 100644
index 000000000..d75afceb3
--- /dev/null
+++ b/unit_test/burn_cell_metal_chem/reference_solution_1e-5.out
@@ -0,0 +1,4482 @@
+Initializing AMReX (22.07-589-g9b0d63e40412)...
+AMReX (22.07-589-g9b0d63e40412) initialized
+starting the single zone burn...
+Reading tables from Semenov_PlanckOpacity.dat
+Redshift: 0
+Metallicity: 1e-05
+Dust2gas Ratio: 1e-05
+ 
+Maximum Time (s): 7e+20
+State Temperature (K): 300
+Number Density input (CO_ice): 1e-41
+Number Density input (H2O_ice): 1e-41
+Number Density input (E): 1e-05
+Number Density input (Hp): 1e-05
+Number Density input (H): 0.1
+Number Density input (Hm): 1e-41
+Number Density input (Dp): 1e-41
+Number Density input (D): 1e-06
+Number Density input (H2p): 1e-41
+Number Density input (Dm): 1e-41
+Number Density input (H2): 1e-07
+Number Density input (HDp): 1e-41
+Number Density input (HD): 1e-41
+Number Density input (HEpp): 1e-41
+Number Density input (HEp): 1e-41
+Number Density input (HE): 0.00775
+Number Density input (Cp): 9.27e-11
+Number Density input (Carbon): 1e-41
+Number Density input (CH): 1e-41
+Number Density input (CH2): 1e-41
+Number Density input (CH3): 1e-41
+Number Density input (Op): 1e-41
+Number Density input (O): 3.568e-10
+Number Density input (CH4): 1e-41
+Number Density input (OHp): 1e-41
+Number Density input (OH): 1e-41
+Number Density input (H2Op): 1e-41
+Number Density input (H2O): 1e-41
+Number Density input (H3Op): 1e-41
+Number Density input (COp): 1e-41
+Number Density input (CO): 1e-41
+Number Density input (O2p): 1e-41
+Number Density input (O2): 1e-41
+Number Density input (CO2): 1e-41
+rho: 2.192371833e-25, dd: 0.1077711004
+initial eint: 3.076329098e+10
+step 0 done with dt = 4.486433724e+13
+step 1 done with dt = 4.464168407e+13
+step 2 done with dt = 4.442013588e+13
+step 3 done with dt = 4.41996872e+13
+step 4 done with dt = 4.398033256e+13
+step 5 done with dt = 4.376206653e+13
+step 6 done with dt = 4.354488372e+13
+step 7 done with dt = 4.332877875e+13
+step 8 done with dt = 4.311374626e+13
+step 9 done with dt = 4.289978094e+13
+step 10 done with dt = 4.268687749e+13
+step 11 done with dt = 4.247503063e+13
+step 12 done with dt = 4.226423514e+13
+step 13 done with dt = 4.205448578e+13
+step 14 done with dt = 4.184577736e+13
+step 15 done with dt = 4.163810473e+13
+step 16 done with dt = 4.143146274e+13
+step 17 done with dt = 4.122584627e+13
+step 18 done with dt = 4.102125023e+13
+step 19 done with dt = 4.081766957e+13
+step 20 done with dt = 4.061509924e+13
+step 21 done with dt = 4.041353423e+13
+step 22 done with dt = 4.021296955e+13
+step 23 done with dt = 4.001340023e+13
+step 24 done with dt = 3.981482133e+13
+step 25 done with dt = 3.961722795e+13
+step 26 done with dt = 3.942061518e+13
+step 27 done with dt = 3.922497817e+13
+step 28 done with dt = 3.903031206e+13
+step 29 done with dt = 3.883661205e+13
+step 30 done with dt = 3.864387333e+13
+step 31 done with dt = 3.845209114e+13
+step 32 done with dt = 3.826126072e+13
+step 33 done with dt = 3.807137737e+13
+step 34 done with dt = 3.788243636e+13
+step 35 done with dt = 3.769443304e+13
+step 36 done with dt = 3.750736273e+13
+step 37 done with dt = 3.732122083e+13
+step 38 done with dt = 3.713600271e+13
+step 39 done with dt = 3.695170379e+13
+step 40 done with dt = 3.676831951e+13
+step 41 done with dt = 3.658584534e+13
+step 42 done with dt = 3.640427675e+13
+step 43 done with dt = 3.622360925e+13
+step 44 done with dt = 3.604383836e+13
+step 45 done with dt = 3.586495965e+13
+step 46 done with dt = 3.568696868e+13
+step 47 done with dt = 3.550986104e+13
+step 48 done with dt = 3.533363235e+13
+step 49 done with dt = 3.515827826e+13
+step 50 done with dt = 3.498379441e+13
+step 51 done with dt = 3.481017649e+13
+step 52 done with dt = 3.463742021e+13
+step 53 done with dt = 3.446552128e+13
+step 54 done with dt = 3.429447545e+13
+step 55 done with dt = 3.41242785e+13
+step 56 done with dt = 3.395492619e+13
+step 57 done with dt = 3.378641435e+13
+step 58 done with dt = 3.361873881e+13
+step 59 done with dt = 3.34518954e+13
+step 60 done with dt = 3.328588001e+13
+step 61 done with dt = 3.312068852e+13
+step 62 done with dt = 3.295631684e+13
+step 63 done with dt = 3.279276091e+13
+step 64 done with dt = 3.263001667e+13
+step 65 done with dt = 3.246808011e+13
+step 66 done with dt = 3.23069472e+13
+step 67 done with dt = 3.214661397e+13
+step 68 done with dt = 3.198707644e+13
+step 69 done with dt = 3.182833066e+13
+step 70 done with dt = 3.167037271e+13
+step 71 done with dt = 3.151319867e+13
+step 72 done with dt = 3.135680466e+13
+step 73 done with dt = 3.120118681e+13
+step 74 done with dt = 3.104634125e+13
+step 75 done with dt = 3.089226417e+13
+step 76 done with dt = 3.073895173e+13
+step 77 done with dt = 3.058640016e+13
+step 78 done with dt = 3.043460568e+13
+step 79 done with dt = 3.028356452e+13
+step 80 done with dt = 3.013327295e+13
+step 81 done with dt = 2.998372725e+13
+step 82 done with dt = 2.983492371e+13
+step 83 done with dt = 2.968685866e+13
+step 84 done with dt = 2.953952843e+13
+step 85 done with dt = 2.939292937e+13
+step 86 done with dt = 2.924705785e+13
+step 87 done with dt = 2.910191027e+13
+step 88 done with dt = 2.895748302e+13
+step 89 done with dt = 2.881377254e+13
+step 90 done with dt = 2.867077527e+13
+step 91 done with dt = 2.852848766e+13
+step 92 done with dt = 2.838690621e+13
+step 93 done with dt = 2.824602739e+13
+step 94 done with dt = 2.810584773e+13
+step 95 done with dt = 2.796636375e+13
+step 96 done with dt = 2.782757201e+13
+step 97 done with dt = 2.768946906e+13
+step 98 done with dt = 2.75520515e+13
+step 99 done with dt = 2.74153159e+13
+step 100 done with dt = 2.727925891e+13
+step 101 done with dt = 2.714387713e+13
+step 102 done with dt = 2.700916723e+13
+step 103 done with dt = 2.687512587e+13
+step 104 done with dt = 2.674174974e+13
+step 105 done with dt = 2.660903552e+13
+step 106 done with dt = 2.647697994e+13
+step 107 done with dt = 2.634557972e+13
+step 108 done with dt = 2.621483162e+13
+step 109 done with dt = 2.60847324e+13
+step 110 done with dt = 2.595527883e+13
+step 111 done with dt = 2.582646772e+13
+step 112 done with dt = 2.569829588e+13
+step 113 done with dt = 2.557076012e+13
+step 114 done with dt = 2.54438573e+13
+step 115 done with dt = 2.531758428e+13
+step 116 done with dt = 2.519193792e+13
+step 117 done with dt = 2.506691513e+13
+step 118 done with dt = 2.49425128e+13
+step 119 done with dt = 2.481872785e+13
+step 120 done with dt = 2.469555722e+13
+step 121 done with dt = 2.457299787e+13
+step 122 done with dt = 2.445104676e+13
+step 123 done with dt = 2.432970086e+13
+step 124 done with dt = 2.420895719e+13
+step 125 done with dt = 2.408881274e+13
+step 126 done with dt = 2.396926454e+13
+step 127 done with dt = 2.385030964e+13
+step 128 done with dt = 2.373194509e+13
+step 129 done with dt = 2.361416796e+13
+step 130 done with dt = 2.349697534e+13
+step 131 done with dt = 2.338036432e+13
+step 132 done with dt = 2.326433202e+13
+step 133 done with dt = 2.314887556e+13
+step 134 done with dt = 2.30339921e+13
+step 135 done with dt = 2.291967877e+13
+step 136 done with dt = 2.280593277e+13
+step 137 done with dt = 2.269275126e+13
+step 138 done with dt = 2.258013145e+13
+step 139 done with dt = 2.246807056e+13
+step 140 done with dt = 2.23565658e+13
+step 141 done with dt = 2.224561441e+13
+step 142 done with dt = 2.213521366e+13
+step 143 done with dt = 2.202536081e+13
+step 144 done with dt = 2.191605313e+13
+step 145 done with dt = 2.180728793e+13
+step 146 done with dt = 2.16990625e+13
+step 147 done with dt = 2.159137418e+13
+step 148 done with dt = 2.14842203e+13
+step 149 done with dt = 2.13775982e+13
+step 150 done with dt = 2.127150525e+13
+step 151 done with dt = 2.116593882e+13
+step 152 done with dt = 2.106089629e+13
+step 153 done with dt = 2.095637506e+13
+step 154 done with dt = 2.085237256e+13
+step 155 done with dt = 2.07488862e+13
+step 156 done with dt = 2.064591343e+13
+step 157 done with dt = 2.054345169e+13
+step 158 done with dt = 2.044149844e+13
+step 159 done with dt = 2.034005117e+13
+step 160 done with dt = 2.023910737e+13
+step 161 done with dt = 2.013866453e+13
+step 162 done with dt = 2.003872017e+13
+step 163 done with dt = 1.993927181e+13
+step 164 done with dt = 1.9840317e+13
+step 165 done with dt = 1.974185328e+13
+step 166 done with dt = 1.964387822e+13
+step 167 done with dt = 1.954638939e+13
+step 168 done with dt = 1.944938437e+13
+step 169 done with dt = 1.935286078e+13
+step 170 done with dt = 1.925681621e+13
+step 171 done with dt = 1.91612483e+13
+step 172 done with dt = 1.906615466e+13
+step 173 done with dt = 1.897153297e+13
+step 174 done with dt = 1.887738086e+13
+step 175 done with dt = 1.878369601e+13
+step 176 done with dt = 1.86904761e+13
+step 177 done with dt = 1.859771882e+13
+step 178 done with dt = 1.850542188e+13
+step 179 done with dt = 1.841358299e+13
+step 180 done with dt = 1.832219988e+13
+step 181 done with dt = 1.823127029e+13
+step 182 done with dt = 1.814079196e+13
+step 183 done with dt = 1.805076266e+13
+step 184 done with dt = 1.796118016e+13
+step 185 done with dt = 1.787204224e+13
+step 186 done with dt = 1.778334669e+13
+step 187 done with dt = 1.769509132e+13
+step 188 done with dt = 1.760727395e+13
+step 189 done with dt = 1.75198924e+13
+step 190 done with dt = 1.743294451e+13
+step 191 done with dt = 1.734642812e+13
+step 192 done with dt = 1.72603411e+13
+step 193 done with dt = 1.717468131e+13
+step 194 done with dt = 1.708944663e+13
+step 195 done with dt = 1.700463496e+13
+step 196 done with dt = 1.692024419e+13
+step 197 done with dt = 1.683627223e+13
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+step 4168 done with dt = 44274.97297
+step 4169 done with dt = 44055.2447
+step 4170 done with dt = 43836.6069
+step 4171 done with dt = 43619.05416
+step 4172 done with dt = 43402.58109
+step 4173 done with dt = 43187.18234
+step 4174 done with dt = 42972.85257
+step 4175 done with dt = 42759.58648
+step 4176 done with dt = 42547.37878
+step 4177 done with dt = 42336.22424
+step 4178 done with dt = 42126.11761
+step 4179 done with dt = 41917.0537
+step 4180 done with dt = 41709.02734
+step 4181 done with dt = 41502.03337
+step 4182 done with dt = 41296.06667
+step 4183 done with dt = 41091.12215
+step 4184 done with dt = 40887.19472
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+step 4186 done with dt = 40482.37102
+step 4187 done with dt = 40281.46471
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+step 4191 done with dt = 39487.76072
+step 4192 done with dt = 39291.79048
+step 4193 done with dt = 39096.79279
+step 4194 done with dt = 38902.76285
+step 4195 done with dt = 38709.69584
+step 4196 done with dt = 38517.58698
+step 4197 done with dt = 38326.43152
+step 4198 done with dt = 38136.22473
+step 4199 done with dt = 37946.9619
+step 4200 done with dt = 37758.63835
+step 4201 done with dt = 37571.24941
+step 4202 done with dt = 37384.79045
+step 4203 done with dt = 37199.25684
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+step 4206 done with dt = 36648.16239
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+step 4208 done with dt = 36285.30929
+step 4209 done with dt = 36105.23221
+step 4210 done with dt = 35926.04881
+step 4211 done with dt = 35747.75466
+step 4212 done with dt = 35570.34536
+step 4213 done with dt = 35393.8165
+step 4214 done with dt = 35218.16372
+step 4215 done with dt = 35043.38267
+step 4216 done with dt = 34869.46903
+step 4217 done with dt = 34696.41849
+step 4218 done with dt = 34524.22676
+step 4219 done with dt = 34352.88959
+step 4220 done with dt = 34182.40274
+step 4221 done with dt = 34012.76198
+step 4222 done with dt = 33843.96311
+step 4223 done with dt = 33676.00196
+step 4224 done with dt = 33508.87437
+step 4225 done with dt = 33342.5762
+step 4226 done with dt = 33177.10333
+step 4227 done with dt = 33012.45168
+step 4228 done with dt = 32848.61716
+step 4229 done with dt = 32685.59572
+step 4230 done with dt = 32523.38333
+step 4231 done with dt = 32361.97597
+step 4232 done with dt = 32201.36964
+step 4233 done with dt = 32041.56036
+step 4234 done with dt = 31882.5442
+step 4235 done with dt = 31724.31719
+step 4236 done with dt = 31566.87544
+step 4237 done with dt = 31410.21504
+step 4238 done with dt = 31254.33212
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+step 4242 done with dt = 30638.49831
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+step 4246 done with dt = 30034.79885
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+step 4248 done with dt = 29737.4246
+step 4249 done with dt = 29589.84342
+step 4250 done with dt = 29442.99466
+step 4251 done with dt = 29296.87468
+step 4252 done with dt = 29151.47986
+step 4253 done with dt = 29006.80661
+step 4254 done with dt = 28862.85135
+step 4255 done with dt = 28719.6105
+step 4256 done with dt = 28577.08054
+step 4257 done with dt = 28435.25792
+step 4258 done with dt = 28294.13915
+step 4259 done with dt = 28153.72072
+step 4260 done with dt = 28013.99916
+step 4261 done with dt = 27874.97101
+step 4262 done with dt = 27736.63283
+step 4263 done with dt = 27598.9812
+step 4264 done with dt = 27462.0127
+step 4265 done with dt = 27325.72396
+step 4266 done with dt = 27190.11159
+step 4267 done with dt = 27055.17223
+step 4268 done with dt = 26920.90256
+step 4269 done with dt = 26787.29924
+step 4270 done with dt = 26654.35897
+step 4271 done with dt = 26522.07846
+step 4272 done with dt = 26390.45442
+step 4273 done with dt = 26259.48362
+step 4274 done with dt = 26129.1628
+step 4275 done with dt = 25999.48873
+step 4276 done with dt = 25870.45822
+step 4277 done with dt = 25742.06805
+step 4278 done with dt = 25614.31508
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+step 4280 done with dt = 25360.708
+step 4281 done with dt = 25234.84763
+step 4282 done with dt = 25109.61189
+step 4283 done with dt = 24984.99765
+step 4284 done with dt = 24861.00186
+step 4285 done with dt = 24737.62144
+step 4286 done with dt = 24614.85337
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+step 4289 done with dt = 24250.1926
+step 4290 done with dt = 24129.84351
+step 4291 done with dt = 24010.09168
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+step 4293 done with dt = 23772.368
+step 4294 done with dt = 23654.39026
+step 4295 done with dt = 23536.99802
+step 4296 done with dt = 23420.18837
+step 4297 done with dt = 23303.95843
+step 4298 done with dt = 23188.30531
+step 4299 done with dt = 23073.22616
+step 4300 done with dt = 22958.71813
+step 4301 done with dt = 22844.77838
+step 4302 done with dt = 22731.40409
+step 4303 done with dt = 22618.59245
+step 4304 done with dt = 22506.34067
+step 4305 done with dt = 22394.64598
+step 4306 done with dt = 22283.50561
+step 4307 done with dt = 22172.91681
+step 4308 done with dt = 22062.87684
+step 4309 done with dt = 21953.38297
+step 4310 done with dt = 21844.43251
+step 4311 done with dt = 21736.0226
+step 4312 done with dt = 21628.15085
+step 4313 done with dt = 21520.81441
+step 4314 done with dt = 21414.01062
+step 4315 done with dt = 21307.73696
+step 4316 done with dt = 21201.99071
+step 4317 done with dt = 21096.76926
+step 4318 done with dt = 20992.07001
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+step 4320 done with dt = 20784.22729
+step 4321 done with dt = 20681.07912
+step 4322 done with dt = 20578.44287
+step 4323 done with dt = 20476.31596
+step 4324 done with dt = 20374.69587
+step 4325 done with dt = 20273.58014
+step 4326 done with dt = 20172.96621
+step 4327 done with dt = 20072.85161
+step 4328 done with dt = 19973.23387
+step 4329 done with dt = 19874.1105
+step 4330 done with dt = 19775.47905
+step 4331 done with dt = 19677.33711
+step 4332 done with dt = 19579.68224
+step 4333 done with dt = 19482.51205
+step 4334 done with dt = 19385.82403
+step 4335 done with dt = 19289.61584
+step 4336 done with dt = 19193.88514
+step 4337 done with dt = 19098.62954
+step 4338 done with dt = 19003.84667
+step 4339 done with dt = 18909.5342
+step 4340 done with dt = 18815.68978
+step 4341 done with dt = 18722.31108
+step 4342 done with dt = 18629.39581
+step 4343 done with dt = 18536.94166
+step 4344 done with dt = 18444.94631
+step 4345 done with dt = 18353.40755
+step 4346 done with dt = 18262.32308
+step 4347 done with dt = 18171.69068
+step 4348 done with dt = 18081.50805
+step 4349 done with dt = 17991.77293
+step 4350 done with dt = 17902.48297
+step 4351 done with dt = 17813.63632
+step 4352 done with dt = 17725.23064
+step 4353 done with dt = 17637.26367
+step 4354 done with dt = 17549.73328
+step 4355 done with dt = 17462.63728
+step 4356 done with dt = 17375.97354
+step 4357 done with dt = 17289.73988
+step 4358 done with dt = 17203.93403
+step 4359 done with dt = 17118.55416
+step 4360 done with dt = 17033.59769
+step 4361 done with dt = 16949.06319
+step 4362 done with dt = 16864.94819
+step 4363 done with dt = 16781.25074
+step 4364 done with dt = 16697.96863
+step 4365 done with dt = 16615.09978
+step 4366 done with dt = 16532.64221
+step 4367 done with dt = 16450.59384
+step 4368 done with dt = 16368.95262
+step 4369 done with dt = 16287.71664
+step 4370 done with dt = 16206.88388
+step 4371 done with dt = 16126.45184
+step 4372 done with dt = 16046.41936
+step 4373 done with dt = 15966.78436
+step 4374 done with dt = 15887.54424
+step 4375 done with dt = 15808.69713
+step 4376 done with dt = 15730.24157
+step 4377 done with dt = 15652.17536
+step 4378 done with dt = 15574.49656
+step 4379 done with dt = 15497.20329
+step 4380 done with dt = 15420.29361
+step 4381 done with dt = 15343.76563
+step 4382 done with dt = 15267.61738
+step 4383 done with dt = 15191.84708
+step 4384 done with dt = 15116.45284
+step 4385 done with dt = 15041.43276
+step 4386 done with dt = 14966.78494
+------------------------------------
+successful? 1
+------------------------------------
+T initial = 300
+T final =   2770.253479
+Tdust initial = 2.73
+Tdust final =   2770.396907
+Eint initial = 3.076329098e+10
+Eint final =   2.437024468e+11
+rho initial = 2.192371833e-25
+rho final =   1.989670057e-06
+numdens final =   5.612534538e+17
+------------------------------------
+New number densities: 
+199898176.6
+3038212036
+2.259991418
+0.09252421839
+7.419371216e+16
+0.000154168177
+7.834842422e-07
+3.484514097e+11
+0.0001036533126
+6.744074981e-10
+4.167161489e+17
+5.354504797e-14
+8.726969668e+12
+3.849333801e-12
+1.421503406e-18
+7.033451336e+16
+0.00281312011
+21789165.94
+9352664.009
+64650614.55
+423270591.2
+1.537707812e-26
+1.341686703e-07
+122330252.1
+5.051058737e-22
+0.0006197903089
+3.102910261e-20
+0.02081899296
+2.164703811
+4.251138744e-23
+0.00765019574
+1.387355782e-34
+1.697403972e-27
+3.012881382e-24
+AMReX (22.07-589-g9b0d63e40412) finalized