Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.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 0.0009506/0.0009506, allocations: 96.09 kB / 20.43 MB, free: 4.137 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 0.001017/0.001017, allocations: 165.3 kB / 23.8 MB, free: 0.7656 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 0.9755/0.9755, allocations: 177.1 MB / 204.2 MB, free: 5.641 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6516/0.6516, allocations: 114.9 MB / 375.7 MB, free: 7.625 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries") translateModel(IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.242e-06/1.242e-06, allocations: 0.5469 kB / 481.5 MB, free: 11.84 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.517e-05/1.641e-05, allocations: 5.344 kB / 481.5 MB, free: 11.83 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries): time 0.1322/0.1322, allocations: 146.3 MB / 0.6131 GB, free: 5.363 MB / 0.5261 GB Notification: Performance of NFInst.instExpressions: time 0.002876/0.1351, allocations: 2.558 MB / 0.6156 GB, free: 2.801 MB / 0.5261 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002032/0.1353, allocations: 27.75 kB / 0.6156 GB, free: 2.773 MB / 0.5261 GB Notification: Performance of NFTyping.typeComponents: time 0.0005035/0.1358, allocations: 107.2 kB / 0.6157 GB, free: 2.668 MB / 0.5261 GB Notification: Performance of NFTyping.typeBindings: time 0.000631/0.1365, allocations: 330.2 kB / 0.6161 GB, free: 2.344 MB / 0.5261 GB Notification: Performance of NFTyping.typeClassSections: time 0.001206/0.1377, allocations: 0.6811 MB / 0.6167 GB, free: 1.66 MB / 0.5261 GB Notification: Performance of NFFlatten.flatten: time 0.002011/0.1397, allocations: 2.782 MB / 0.6194 GB, free: 14.87 MB / 0.5417 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008737/0.1406, allocations: 0.7904 MB / 0.6202 GB, free: 14.05 MB / 0.5417 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001427/0.142, allocations: 1.379 MB / 0.6216 GB, free: 12.67 MB / 0.5417 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006851/0.1427, allocations: 0.7673 MB / 0.6223 GB, free: 11.9 MB / 0.5417 GB Notification: Performance of NFPackage.collectConstants: time 0.0001049/0.1428, allocations: 64 kB / 0.6224 GB, free: 11.84 MB / 0.5417 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007068/0.1435, allocations: 0.4989 MB / 0.6229 GB, free: 11.34 MB / 0.5417 GB Notification: Performance of NFScalarize.scalarize: time 0.0002722/0.1437, allocations: 394.5 kB / 0.6232 GB, free: 10.95 MB / 0.5417 GB Notification: Performance of NFVerifyModel.verify: time 0.0003786/0.1441, allocations: 458.8 kB / 0.6237 GB, free: 10.5 MB / 0.5417 GB Notification: Performance of NFConvertDAE.convert: time 0.001108/0.1452, allocations: 1.3 MB / 0.6249 GB, free: 9.199 MB / 0.5417 GB Notification: Performance of FrontEnd - DAE generated: time 4.098e-06/0.1452, allocations: 4 kB / 0.6249 GB, free: 9.195 MB / 0.5417 GB Notification: Performance of FrontEnd: time 1.393e-06/0.1452, allocations: 4 kB / 0.6249 GB, free: 9.191 MB / 0.5417 GB Notification: Performance of Transformations before backend: time 1.394e-05/0.1453, allocations: 0 / 0.6249 GB, free: 9.191 MB / 0.5417 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 122 * Number of variables: 122 Notification: Performance of Generate backend data structure: time 0.00162/0.1469, allocations: 1.922 MB / 0.6268 GB, free: 7.223 MB / 0.5417 GB Notification: Performance of prepare preOptimizeDAE: time 3.85e-05/0.1469, allocations: 16.02 kB / 0.6268 GB, free: 7.207 MB / 0.5417 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006803/0.1476, allocations: 283.7 kB / 0.6271 GB, free: 6.93 MB / 0.5417 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001012/0.1486, allocations: 0.9908 MB / 0.6281 GB, free: 5.898 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.908e-05/0.1486, allocations: 65 kB / 0.6281 GB, free: 5.836 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.473e-05/0.1487, allocations: 92 kB / 0.6282 GB, free: 5.746 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005276/0.1492, allocations: 465.8 kB / 0.6287 GB, free: 5.266 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.273e-05/0.1493, allocations: 0 / 0.6287 GB, free: 5.266 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.15e-05/0.1493, allocations: 20 kB / 0.6287 GB, free: 5.246 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.248e-05/0.1493, allocations: 12 kB / 0.6287 GB, free: 5.234 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002625/0.1496, allocations: 165.8 kB / 0.6289 GB, free: 5.074 MB / 0.5417 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002002/0.1516, allocations: 2.149 MB / 0.631 GB, free: 2.863 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.000235/0.1518, allocations: 151.8 kB / 0.6311 GB, free: 2.703 MB / 0.5417 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001134/0.1519, allocations: 100 kB / 0.6312 GB, free: 2.602 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00011/0.152, allocations: 28.22 kB / 0.6312 GB, free: 2.574 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.56e-05/0.1521, allocations: 41.56 kB / 0.6313 GB, free: 2.523 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=28): time 1.243e-06/0.1521, allocations: 0 / 0.6313 GB, free: 2.523 MB / 0.5417 GB Notification: Performance of matching and sorting (n=28): time 0.002221/0.1543, allocations: 1.11 MB / 0.6323 GB, free: 1.402 MB / 0.5417 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.88e-05/0.1543, allocations: 55.41 kB / 0.6324 GB, free: 1.336 MB / 0.5417 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001024/0.1553, allocations: 1.401 MB / 0.6338 GB, free: 15.91 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 3.722e-05/0.1554, allocations: 49.7 kB / 0.6338 GB, free: 15.85 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005337/0.1559, allocations: 0.7085 MB / 0.6345 GB, free: 15.14 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 6.113e-05/0.156, allocations: 103.1 kB / 0.6346 GB, free: 15.04 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001936/0.1562, allocations: 276.1 kB / 0.6349 GB, free: 14.76 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0001404/0.1563, allocations: 0.5355 MB / 0.6354 GB, free: 14.21 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001601/0.1565, allocations: 111.5 kB / 0.6355 GB, free: 14.1 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007316/0.1572, allocations: 1.72 MB / 0.6372 GB, free: 11.76 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007341/0.1579, allocations: 1.159 MB / 0.6383 GB, free: 10.21 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.845e-06/0.1579, allocations: 11.94 kB / 0.6383 GB, free: 10.2 MB / 0.5573 GB Notification: Performance of matching and sorting (n=118) (initialization): time 0.001322/0.1592, allocations: 1.1 MB / 0.6394 GB, free: 9.086 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 2.191e-05/0.1593, allocations: 15.94 kB / 0.6394 GB, free: 9.07 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.804e-05/0.1593, allocations: 27.98 kB / 0.6394 GB, free: 9.043 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001115/0.1604, allocations: 455 kB / 0.6399 GB, free: 8.594 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002901/0.1607, allocations: 183.6 kB / 0.64 GB, free: 8.414 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007278/0.1614, allocations: 1.025 MB / 0.641 GB, free: 7.359 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003732/0.1618, allocations: 127.1 kB / 0.6412 GB, free: 7.234 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.395e-05/0.1618, allocations: 63.98 kB / 0.6412 GB, free: 7.172 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002555/0.1621, allocations: 245 kB / 0.6415 GB, free: 6.926 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007403/0.1628, allocations: 1.708 MB / 0.6431 GB, free: 4.598 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000713/0.1636, allocations: 1.16 MB / 0.6443 GB, free: 3.043 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.27e-06/0.1636, allocations: 4 kB / 0.6443 GB, free: 3.039 MB / 0.5573 GB Notification: Performance of matching and sorting (n=118) (initialization_lambda0): time 0.001056/0.1646, allocations: 0.9901 MB / 0.6452 GB, free: 2.039 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 1.587e-05/0.1646, allocations: 19.94 kB / 0.6453 GB, free: 2.02 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.604e-05/0.1646, allocations: 23.98 kB / 0.6453 GB, free: 1.996 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003401/0.165, allocations: 191.5 kB / 0.6455 GB, free: 1.805 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002626/0.1653, allocations: 183.6 kB / 0.6456 GB, free: 1.625 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.2613/0.4266, allocations: 2.904 MB / 0.6485 GB, free: 38.35 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007014/0.4273, allocations: 103.7 kB / 0.6486 GB, free: 38.35 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.466e-05/0.4274, allocations: 58.3 kB / 0.6486 GB, free: 38.35 MB / 0.5573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 94 * 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 (99): * Single equations (assignments): 98 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,19)} Notification: Performance of prepare postOptimizeDAE: time 0.0002024/0.4276, allocations: 351.1 kB / 0.649 GB, free: 38.08 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001288/0.4277, allocations: 133.8 kB / 0.6491 GB, free: 38.08 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008197/0.4285, allocations: 442.5 kB / 0.6495 GB, free: 38.01 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.869e-06/0.4285, allocations: 3.844 kB / 0.6495 GB, free: 38.01 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.864e-06/0.4285, allocations: 0.75 kB / 0.6495 GB, free: 38.01 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.791e-06/0.4285, allocations: 2.438 kB / 0.6495 GB, free: 38.01 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002015/0.4305, allocations: 1.415 MB / 0.6509 GB, free: 37.58 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.308e-06/0.4305, allocations: 5.312 kB / 0.6509 GB, free: 37.58 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.419e-05/0.4306, allocations: 20.28 kB / 0.6509 GB, free: 37.58 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005163/0.4311, allocations: 197.7 kB / 0.6511 GB, free: 37.55 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2e-05/0.4312, allocations: 8.656 kB / 0.6511 GB, free: 37.55 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005022/0.4317, allocations: 0.9711 MB / 0.6521 GB, free: 36.76 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.828e-06/0.4317, allocations: 4.719 kB / 0.6521 GB, free: 36.76 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007555/0.4324, allocations: 0.6516 MB / 0.6527 GB, free: 36.43 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002473/0.4327, allocations: 151.9 kB / 0.6529 GB, free: 36.36 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.439e-05/0.4327, allocations: 11.25 kB / 0.6529 GB, free: 36.36 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002459/0.433, allocations: 15.72 kB / 0.6529 GB, free: 36.36 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.002e-05/0.433, allocations: 25.89 kB / 0.6529 GB, free: 36.36 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.848e-05/0.4331, allocations: 7.438 kB / 0.6529 GB, free: 36.36 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0007925/0.4339, allocations: 0.7476 MB / 0.6536 GB, free: 36.2 MB / 0.5573 GB Notification: Performance of sort global known variables: time 9e-08/0.4339, allocations: 0 / 0.6536 GB, free: 36.2 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.001637/0.4355, allocations: 0.5175 MB / 0.6541 GB, free: 36.18 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (9): * Single equations (assignments): 8 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002593/0.4357, allocations: 140.9 kB / 0.6543 GB, free: 36.09 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.001548/0.4373, allocations: 1.087 MB / 0.6553 GB, free: 35.86 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 3.607e-06/0.4373, allocations: 0 / 0.6553 GB, free: 35.86 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0002119/0.4375, allocations: 124.8 kB / 0.6555 GB, free: 35.84 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001369/0.4389, allocations: 451 kB / 0.6559 GB, free: 35.79 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002403/0.4413, allocations: 1.931 MB / 0.6578 GB, free: 34.85 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00023/0.4415, allocations: 345.6 kB / 0.6581 GB, free: 34.77 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.0009065/0.4424, allocations: 476.5 kB / 0.6586 GB, free: 34.76 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001037/0.4425, allocations: 70.17 kB / 0.6586 GB, free: 34.75 MB / 0.5573 GB Notification: Performance of SimCode: time 1.312e-06/0.4425, allocations: 0.9062 kB / 0.6586 GB, free: 34.75 MB / 0.5573 GB Notification: Performance of Templates: time 0.03019/0.4727, allocations: 19.06 MB / 0.6772 GB, free: 33.32 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.sim & ./IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.FixedResistances.Validation.PressureDropsSeries.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.419801714364439]