Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0009461/0.0009461, allocations: 76.31 kB / 21.42 MB, free: 3.07 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0009254/0.0009254, allocations: 171.9 kB / 24.82 MB, free: 8.914 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.9094/0.9094, allocations: 177.1 MB / 205.3 MB, free: 5.508 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.631/0.631, allocations: 88.08 MB / 349.9 MB, free: 14.16 MB / 330.7 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="ground.[0-9,]+..p.i|ground.[0-9,]+..p.v|load.[0-9,]+..LossPower|load.[0-9,]+..R_actual|load.[0-9,]+..i|load.[0-9,]+..n.i|load.[0-9,]+..n.v|load.[0-9,]+..p.i|load.[0-9,]+..p.v|load.[0-9,]+..v|primary.[0-9,]+..n.v|secondary.[0-9,]+..LossPower|secondary.[0-9,]+..R_actual|secondary.[0-9,]+..i|secondary.[0-9,]+..n.i|secondary.[0-9,]+..n.v|secondary.[0-9,]+..p.i|secondary.[0-9,]+..p.v|secondary.[0-9,]+..v|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56") translateModel(ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="ground.[0-9,]+..p.i|ground.[0-9,]+..p.v|load.[0-9,]+..LossPower|load.[0-9,]+..R_actual|load.[0-9,]+..i|load.[0-9,]+..n.i|load.[0-9,]+..n.v|load.[0-9,]+..p.i|load.[0-9,]+..p.v|load.[0-9,]+..v|primary.[0-9,]+..n.v|secondary.[0-9,]+..LossPower|secondary.[0-9,]+..R_actual|secondary.[0-9,]+..i|secondary.[0-9,]+..n.i|secondary.[0-9,]+..n.v|secondary.[0-9,]+..p.i|secondary.[0-9,]+..p.v|secondary.[0-9,]+..v|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.603e-06/1.603e-06, allocations: 0 / 452.1 MB, free: 33.09 MB / 410.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.625e-05/2.785e-05, allocations: 5.641 kB / 452.1 MB, free: 33.09 MB / 410.8 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56): time 0.003299/0.003327, allocations: 2.422 MB / 454.6 MB, free: 31.48 MB / 410.8 MB Notification: Performance of NFInst.instExpressions: time 0.001037/0.004364, allocations: 0.5805 MB / 455.1 MB, free: 31.09 MB / 410.8 MB Notification: Performance of NFInst.updateImplicitVariability: time 9.78e-05/0.004462, allocations: 6.75 kB / 455.2 MB, free: 31.08 MB / 410.8 MB Notification: Performance of NFTyping.typeComponents: time 8.837e-05/0.00455, allocations: 34.91 kB / 455.2 MB, free: 31.07 MB / 410.8 MB Notification: Performance of NFTyping.typeBindings: time 0.000117/0.004667, allocations: 70.62 kB / 455.3 MB, free: 31.01 MB / 410.8 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001576/0.004825, allocations: 59.5 kB / 455.3 MB, free: 30.98 MB / 410.8 MB Notification: Performance of NFFlatten.flatten: time 0.6259/0.6307, allocations: 410.3 MB / 0.8453 GB, free: 6.559 MB / 0.62 GB Notification: Performance of NFFlatten.resolveConnections: time 0.7313/1.362, allocations: 83.97 MB / 0.9273 GB, free: 13.88 MB / 0.6671 GB Notification: Performance of NFEvalConstants.evaluate: time 0.3864/1.748, allocations: 229.4 MB / 1.151 GB, free: 10.62 MB / 0.7921 GB Notification: Performance of NFSimplifyModel.simplify: time 0.909/2.657, allocations: 173.9 MB / 1.321 GB, free: 69.08 MB / 0.8083 GB Notification: Performance of NFPackage.collectConstants: time 0.145/2.802, allocations: 27.79 MB / 1.348 GB, free: 69.08 MB / 0.8083 GB Notification: Performance of NFFlatten.collectFunctions: time 0.1907/2.993, allocations: 27.79 MB / 1.375 GB, free: 69.08 MB / 0.8083 GB Notification: Performance of NFScalarize.scalarize: time 0.1561/3.149, allocations: 76.77 MB / 1.45 GB, free: 24.12 MB / 0.8083 GB Notification: Performance of NFVerifyModel.verify: time 1.135/4.284, allocations: 121.4 MB / 1.569 GB, free: 99.46 MB / 0.8249 GB Notification: Performance of NFConvertDAE.convert: time 0.9854/5.269, allocations: 340.5 MB / 1.901 GB, free: 66.13 MB / 1.012 GB Notification: Performance of FrontEnd - DAE generated: time 9.478e-06/5.269, allocations: 1.109 kB / 1.901 GB, free: 66.13 MB / 1.012 GB Notification: Performance of FrontEnd: time 1.874e-06/5.269, allocations: 0 / 1.901 GB, free: 66.13 MB / 1.012 GB Notification: Performance of Transformations before backend: time 0.02073/5.29, allocations: 1.188 kB / 1.901 GB, free: 66.13 MB / 1.012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 63233 * Number of variables: 63233 Notification: Performance of Generate backend data structure: time 0.9758/6.266, allocations: 333.6 MB / 2.227 GB, free: 13.32 MB / 1.106 GB Notification: Performance of prepare preOptimizeDAE: time 9.821e-05/6.266, allocations: 13.23 kB / 2.227 GB, free: 13.3 MB / 1.106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.3306/6.597, allocations: 51.64 MB / 2.278 GB, free: 1.195 MB / 1.137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 1.393/7.989, allocations: 109.8 MB / 2.385 GB, free: 351.4 MB / 1.184 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.03377/8.023, allocations: 17.85 MB / 2.402 GB, free: 350.9 MB / 1.184 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.1355/8.159, allocations: 26.06 MB / 2.428 GB, free: 350.9 MB / 1.184 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.825/8.984, allocations: 297 MB / 2.718 GB, free: 138.4 MB / 1.215 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.01199/8.996, allocations: 192 / 2.718 GB, free: 138.4 MB / 1.215 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.08661/9.082, allocations: 10.81 MB / 2.728 GB, free: 130.3 MB / 1.215 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.009916/9.092, allocations: 5.79 MB / 2.734 GB, free: 130.3 MB / 1.215 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.4175/9.51, allocations: 72.04 MB / 2.804 GB, free: 75.88 MB / 1.215 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 2.824/12.33, allocations: 0.6439 GB / 3.448 GB, free: 307.3 MB / 1.215 GB Notification: Performance of preOpt comSubExp (simulation): time 0.2671/12.6, allocations: 208.8 MB / 3.652 GB, free: 210.2 MB / 1.215 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.1344/12.74, allocations: 54.1 MB / 3.705 GB, free: 172.9 MB / 1.215 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01091/12.75, allocations: 3.041 MB / 3.708 GB, free: 169.8 MB / 1.215 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004419/12.75, allocations: 3.515 MB / 3.711 GB, free: 166.3 MB / 1.215 GB Notification: Performance of pre-optimization done (n=18984): time 0.0003773/12.75, allocations: 3.938 kB / 3.711 GB, free: 166.3 MB / 1.215 GB Notification: Performance of matching and sorting (n=18984): time 1.237/13.99, allocations: 176.1 MB / 3.883 GB, free: 287.5 MB / 1.215 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.001064/13.99, allocations: 1.934 MB / 3.885 GB, free: 287.3 MB / 1.215 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.3501/14.34, allocations: 167.5 MB / 4.049 GB, free: 255.7 MB / 1.215 GB Notification: Performance of collectPreVariables (initialization): time 0.0433/14.38, allocations: 4.082 MB / 4.053 GB, free: 255.7 MB / 1.215 GB Notification: Performance of collectInitialEqns (initialization): time 0.7215/15.1, allocations: 141 MB / 4.191 GB, free: 300.2 MB / 1.215 GB Notification: Performance of collectInitialBindings (initialization): time 0.09326/15.2, allocations: 81.24 MB / 4.27 GB, free: 252.7 MB / 1.215 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.2242/15.42, allocations: 45.33 MB / 4.314 GB, free: 245.7 MB / 1.215 GB Notification: Performance of setup shared object (initialization): time 4.5e-05/15.42, allocations: 484.1 kB / 4.315 GB, free: 245.2 MB / 1.215 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.1052/15.53, allocations: 24.7 MB / 4.339 GB, free: 244.8 MB / 1.215 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.1556/15.68, allocations: 76.82 MB / 4.414 GB, free: 200.4 MB / 1.215 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.2872/15.97, allocations: 112 MB / 4.523 GB, free: 148 MB / 1.215 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.002098/15.97, allocations: 196.4 kB / 4.523 GB, free: 148 MB / 1.215 GB Notification: Performance of matching and sorting (n=28449) (initialization): time 1.289/17.26, allocations: 191.6 MB / 4.71 GB, free: 216.2 MB / 1.215 GB Notification: Performance of prepare postOptimizeDAE: time 0.001088/17.26, allocations: 304.2 kB / 4.711 GB, free: 216.2 MB / 1.215 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.001341/17.26, allocations: 0.6719 MB / 4.711 GB, free: 216.2 MB / 1.215 GB Notification: Tearing is skipped for strong component 1 because system size of 12655 exceeds maximum system size for tearing of linear systems (200). To adjust the maximum system size for tearing use --maxSizeLinearTearing=. Notification: Performance of postOpt tearingSystem (initialization): time 0.002263/17.27, allocations: 1.248 MB / 4.713 GB, free: 216.2 MB / 1.215 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.084/17.35, allocations: 24.48 MB / 4.737 GB, free: 214.4 MB / 1.215 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00307/17.35, allocations: 1.68 MB / 4.738 GB, free: 214.1 MB / 1.215 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.1769/17.53, allocations: 19.7 MB / 4.757 GB, free: 206.4 MB / 1.215 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.04211/17.57, allocations: 5.301 MB / 4.763 GB, free: 206.4 MB / 1.215 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 3138 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (15795): * Single equations (assignments): 15794 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 1 system {(12655,0.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.1538/17.73, allocations: 11.38 MB / 4.774 GB, free: 204 MB / 1.215 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.1055/17.83, allocations: 26.31 MB / 4.799 GB, free: 193.8 MB / 1.215 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.05934/17.89, allocations: 26.64 MB / 4.825 GB, free: 191.9 MB / 1.215 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.001689/17.89, allocations: 1.737 MB / 4.827 GB, free: 191.9 MB / 1.215 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.006677/17.9, allocations: 1.738 MB / 4.829 GB, free: 191.9 MB / 1.215 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003884/17.9, allocations: 0.87 MB / 4.83 GB, free: 191.9 MB / 1.215 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3515/18.25, allocations: 115.6 MB / 4.943 GB, free: 112.4 MB / 1.215 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.001178/18.25, allocations: 0 / 4.943 GB, free: 112.4 MB / 1.215 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.02738/18.28, allocations: 9.374 MB / 4.952 GB, free: 103 MB / 1.215 GB Notification: Tearing is skipped for strong component 2 because system size of 12655 exceeds maximum system size for tearing of linear systems (200). To adjust the maximum system size for tearing use --maxSizeLinearTearing=. Notification: Performance of postOpt tearingSystem (simulation): time 0.000614/18.28, allocations: 196 kB / 4.952 GB, free: 102.8 MB / 1.215 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.02611/18.31, allocations: 2.9 MB / 4.955 GB, free: 99.89 MB / 1.215 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005334/18.31, allocations: 199.9 kB / 4.955 GB, free: 99.7 MB / 1.215 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.314e-06/18.31, allocations: 4 kB / 4.955 GB, free: 99.7 MB / 1.215 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 1.184/19.49, allocations: 169.6 MB / 5.121 GB, free: 196.6 MB / 1.231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.06663/19.56, allocations: 23.31 MB / 5.143 GB, free: 190.7 MB / 1.231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.06494/19.62, allocations: 2.901 MB / 5.146 GB, free: 190.7 MB / 1.231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.143/19.77, allocations: 23.88 MB / 5.169 GB, free: 189.1 MB / 1.231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.05445/19.82, allocations: 20.32 MB / 5.189 GB, free: 188.9 MB / 1.231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.03867/19.86, allocations: 4.248 MB / 5.193 GB, free: 188.9 MB / 1.231 GB Notification: Performance of sorting global known variables: time 0.1923/20.05, allocations: 87.11 MB / 5.279 GB, free: 167 MB / 1.231 GB Notification: Performance of sort global known variables: time 1.91e-07/20.05, allocations: 0 / 5.279 GB, free: 167 MB / 1.231 GB Notification: Performance of remove unused functions: time 0.2746/20.33, allocations: 86.21 MB / 5.363 GB, free: 150.2 MB / 1.231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (6330): * Single equations (assignments): 6329 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 1 system {(12655,0.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.05185/20.38, allocations: 6.326 MB / 5.369 GB, free: 146.9 MB / 1.231 GB Notification: Performance of simCode: created initialization part: time 0.3617/20.74, allocations: 134.8 MB / 5.501 GB, free: 23.94 MB / 1.231 GB Notification: Performance of simCode: created event and clocks part: time 0.0003248/20.74, allocations: 445.5 kB / 5.501 GB, free: 23.5 MB / 1.231 GB Notification: Performance of simCode: created simulation system equations: time 0.6928/21.43, allocations: 80.8 MB / 5.58 GB, free: 293.2 MB / 1.247 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.3175/21.75, allocations: 44.21 MB / 5.623 GB, free: 285.6 MB / 1.247 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 1.666/23.42, allocations: 0.4994 GB / 6.123 GB, free: 195.6 MB / 1.247 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.1879/23.61, allocations: 65.14 MB / 6.186 GB, free: 189.3 MB / 1.247 GB Notification: Performance of simCode: alias equations: time 0.2001/23.81, allocations: 18.21 MB / 6.204 GB, free: 182.8 MB / 1.247 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.2545/24.06, allocations: 51.52 MB / 6.254 GB, free: 182.4 MB / 1.247 GB Notification: Performance of SimCode: time 2.225e-06/24.06, allocations: 0 / 6.254 GB, free: 182.4 MB / 1.247 GB Notification: Performance of Templates: time 7.857/31.92, allocations: 2.948 GB / 9.202 GB, free: 164.5 MB / 1.294 GB " [Timeout remaining time 268] make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.makefile [Timeout 300] (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56.pipe 2>&1) [Timeout 240] diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56_res.mat","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 298] Reference file matches [Calling sys.exit(0), Time elapsed: 60.7307654498145]