Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.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 0.001861/0.001861, allocations: 82.23 kB / 21.43 MB, free: 296 kB / 14.72 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 0.002268/0.002268, allocations: 160.8 kB / 24.7 MB, free: 3.551 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.401/1.401, allocations: 158.6 MB / 186.5 MB, free: 6.406 MB / 174.1 MB " [Timeout remaining time 178] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter,tolerance=1e-06,outputFormat="mat",numberOfIntervals=15000,variableFilter="time|loadInertiaE.phi|loadInertiaE.w|loadInertiaM.phi|loadInertiaM.w|smpmE.is.1.|smpmE.is.2.|smpmE.idq_dr.1.|smpmE.idq_rr.2.|smpmE.idq_sr.1.|smpmE.idq_sr.2.|smpmM.is.1.|smpmM.is.2.|smpmM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smpmM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smpmM.stator.strayReluctance.port_p.Phi.im|smpmM.stator.strayReluctance.port_p.Phi.re|vfController.x",fileNamePrefix="Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter") translateModel(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter,tolerance=1e-06,outputFormat="mat",numberOfIntervals=15000,variableFilter="time|loadInertiaE.phi|loadInertiaE.w|loadInertiaM.phi|loadInertiaM.w|smpmE.is.1.|smpmE.is.2.|smpmE.idq_dr.1.|smpmE.idq_rr.2.|smpmE.idq_sr.1.|smpmE.idq_sr.2.|smpmM.is.1.|smpmM.is.2.|smpmM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.1..Phi.re|smpmM.stator.electroMagneticConverter.singlePhaseElectroMagneticConverter.2..Phi.im|smpmM.stator.strayReluctance.port_p.Phi.im|smpmM.stator.strayReluctance.port_p.Phi.re|vfController.x",fileNamePrefix="Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.724e-06/1.724e-06, allocations: 0 / 299 MB, free: 8.703 MB / 286.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.371e-05/2.543e-05, allocations: 2.281 kB / 299 MB, free: 8.699 MB / 286.1 MB Notification: Performance of NFInst.instantiate(Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter): time 0.02506/0.02509, allocations: 18.75 MB / 317.7 MB, free: 5.855 MB / 302.1 MB Notification: Performance of NFInst.instExpressions: time 0.2065/0.2315, allocations: 6.191 MB / 323.9 MB, free: 15.37 MB / 302.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.006516/0.2381, allocations: 155.4 kB / 324.1 MB, free: 15.37 MB / 302.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004827/0.2429, allocations: 1.478 MB / 325.6 MB, free: 15.37 MB / 302.1 MB Notification: Performance of NFTyping.typeBindings: time 0.009663/0.2526, allocations: 2.155 MB / 327.7 MB, free: 15.02 MB / 302.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005276/0.2578, allocations: 1.311 MB / 329 MB, free: 14.99 MB / 302.1 MB Notification: Performance of NFFlatten.flatten: time 0.01065/0.2685, allocations: 6.797 MB / 335.8 MB, free: 12.87 MB / 302.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.004564/0.273, allocations: 2.972 MB / 338.8 MB, free: 11.51 MB / 302.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.008744/0.2818, allocations: 4.51 MB / 343.3 MB, free: 9.508 MB / 302.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005466/0.2873, allocations: 3.024 MB / 346.3 MB, free: 8.133 MB / 302.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001292/0.2885, allocations: 0.8151 MB / 347.1 MB, free: 8.133 MB / 302.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002817/0.2914, allocations: 1.088 MB / 348.2 MB, free: 8.016 MB / 302.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001601/0.293, allocations: 2.09 MB / 350.3 MB, free: 6.496 MB / 302.1 MB Notification: Performance of NFVerifyModel.verify: time 0.004227/0.2972, allocations: 2.401 MB / 352.7 MB, free: 5.184 MB / 302.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01251/0.3097, allocations: 10.91 MB / 363.6 MB, free: 10.7 MB / 318.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.801e-06/0.3097, allocations: 0 / 363.6 MB, free: 10.7 MB / 318.1 MB Notification: Performance of FrontEnd: time 1.583e-06/0.3097, allocations: 0 / 363.6 MB, free: 10.7 MB / 318.1 MB Notification: Performance of Transformations before backend: time 0.0003293/0.31, allocations: 0 / 363.6 MB, free: 10.7 MB / 318.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1413 * Number of variables: 1413 Notification: Performance of Generate backend data structure: time 0.01928/0.3293, allocations: 6.936 MB / 370.6 MB, free: 3.73 MB / 318.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.617e-05/0.3294, allocations: 15.98 kB / 370.6 MB, free: 3.715 MB / 318.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005307/0.3347, allocations: 1.093 MB / 371.7 MB, free: 2.621 MB / 318.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00882/0.3435, allocations: 3.414 MB / 375.1 MB, free: 15.32 MB / 334.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004136/0.3439, allocations: 406 kB / 375.5 MB, free: 14.93 MB / 334.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001471/0.3454, allocations: 0.5212 MB / 376 MB, free: 14.41 MB / 334.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01636/0.3617, allocations: 7.287 MB / 383.3 MB, free: 7.016 MB / 334.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001472/0.3619, allocations: 7.953 kB / 383.3 MB, free: 7.008 MB / 334.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005723/0.3625, allocations: 223.6 kB / 383.5 MB, free: 6.793 MB / 334.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002875/0.3628, allocations: 262.6 kB / 383.8 MB, free: 6.535 MB / 334.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01166/0.3744, allocations: 5.924 MB / 389.7 MB, free: 0.6172 MB / 334.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03858/0.413, allocations: 19.15 MB / 408.8 MB, free: 13.45 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00762/0.4206, allocations: 3.674 MB / 412.5 MB, free: 9.973 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.003695/0.4243, allocations: 1.982 MB / 414.5 MB, free: 7.984 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.01218/0.4365, allocations: 5.151 MB / 419.6 MB, free: 2.887 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.173e-05/0.4366, allocations: 56.56 kB / 419.7 MB, free: 2.824 MB / 366.1 MB Notification: Performance of pre-optimization done (n=220): time 4.889e-06/0.4366, allocations: 0 / 419.7 MB, free: 2.824 MB / 366.1 MB Notification: Performance of matching and sorting (n=240): time 0.02477/0.4613, allocations: 10.18 MB / 429.9 MB, free: 8.68 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.679e-05/0.4614, allocations: 73.41 kB / 430 MB, free: 8.594 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005917/0.4673, allocations: 2.818 MB / 432.8 MB, free: 5.762 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0002846/0.4676, allocations: 69.7 kB / 432.8 MB, free: 5.688 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.002243/0.4698, allocations: 2.577 MB / 435.4 MB, free: 3.098 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0009575/0.4708, allocations: 0.8579 MB / 436.3 MB, free: 2.25 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00114/0.4719, allocations: 0.5578 MB / 436.8 MB, free: 1.684 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0001487/0.4721, allocations: 301.1 kB / 437.1 MB, free: 1.387 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002765/0.4749, allocations: 1.334 MB / 438.5 MB, free: 52 kB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003677/0.4785, allocations: 2.364 MB / 440.8 MB, free: 13.25 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.006909/0.4854, allocations: 3.925 MB / 444.8 MB, free: 8.984 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.357e-05/0.4855, allocations: 8 kB / 444.8 MB, free: 8.977 MB / 398.1 MB Notification: Performance of matching and sorting (n=406) (initialization): time 0.01016/0.4957, allocations: 4.528 MB / 449.3 MB, free: 4.582 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.086e-05/0.4957, allocations: 24.03 kB / 449.3 MB, free: 4.559 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.489e-05/0.4958, allocations: 32 kB / 449.3 MB, free: 4.527 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001464/0.4973, allocations: 0.5282 MB / 449.9 MB, free: 3.98 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003086/0.5004, allocations: 0.7395 MB / 450.6 MB, free: 3.258 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01082/0.5112, allocations: 9.584 MB / 460.2 MB, free: 9.172 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003781/0.515, allocations: 191.7 kB / 460.4 MB, free: 8.984 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007257/0.5157, allocations: 140 kB / 460.5 MB, free: 8.848 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 144 * 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 (380): * Single equations (assignments): 373 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(3,12,100.0%), (1,3,100.0%), (1,1,100.0%), (1,1,100.0%), (1,5,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.004671/0.5204, allocations: 1.578 MB / 462.1 MB, free: 7.258 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001386/0.5218, allocations: 325.9 kB / 462.4 MB, free: 6.938 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009588/0.5313, allocations: 3.777 MB / 466.2 MB, free: 3.121 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.811e-05/0.5314, allocations: 24 kB / 466.2 MB, free: 3.098 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.002e-05/0.5314, allocations: 8 kB / 466.2 MB, free: 3.09 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.966e-05/0.5315, allocations: 11.95 kB / 466.2 MB, free: 3.078 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02014/0.5516, allocations: 7.508 MB / 473.7 MB, free: 11.5 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.378e-05/0.5516, allocations: 4 kB / 473.7 MB, free: 11.49 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002076/0.5537, allocations: 416 kB / 474.2 MB, free: 11.09 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002188/0.5559, allocations: 0.7285 MB / 474.9 MB, free: 10.33 MB / 430.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000265/0.5561, allocations: 71.97 kB / 475 MB, free: 10.26 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2203/0.7765, allocations: 15.58 MB / 490.5 MB, free: 132.1 MB / 430.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.083e-06/0.7765, allocations: 5.188 kB / 490.5 MB, free: 132.1 MB / 430.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01287/0.7894, allocations: 5.561 MB / 496.1 MB, free: 130.1 MB / 430.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.002786/0.7922, allocations: 0.6016 MB / 496.7 MB, free: 129.9 MB / 430.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006962/0.7929, allocations: 63.11 kB / 496.8 MB, free: 129.8 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001904/0.7948, allocations: 135.9 kB / 496.9 MB, free: 129.8 MB / 430.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006698/0.7954, allocations: 194.7 kB / 497.1 MB, free: 129.8 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001845/0.7956, allocations: 75.19 kB / 497.2 MB, free: 129.8 MB / 430.1 MB Notification: Performance of sorting global known variables: time 0.003712/0.7993, allocations: 1.844 MB / 499 MB, free: 129.1 MB / 430.1 MB Notification: Performance of sort global known variables: time 1.31e-07/0.7993, allocations: 0 / 499 MB, free: 129.1 MB / 430.1 MB Notification: Performance of remove unused functions: time 0.005323/0.8046, allocations: 0.9882 MB / 500 MB, free: 129 MB / 430.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 13 (vfController.x,smpmM.inertiaRotor.w,smpmM.stator.core.Phi.re,smpmM.stator.core.Phi.im,smpmM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[2].Phi.re,smpmM.rotorCage.electroMagneticConverter.singlePhaseElectroMagneticConverter[2].Phi.im,smpmE.inertiaRotor.w,smpmE.idq_sr[1],smpmE.idq_sr[2],smpmE.idq_rr[2],smpmE.idq_dr[1],loadInertiaM.phi,loadInertiaE.phi) * 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 (201): * Single equations (assignments): 193 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 8 systems {(1,5,100.0%), (3,12,100.0%), (1,3,100.0%), (1,1,100.0%), (2,1,100.0%), (1,1,100.0%), (1,8,100.0%), (2,13,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0008246/0.8055, allocations: 257.9 kB / 0.4885 GB, free: 128.8 MB / 430.1 MB Notification: Performance of simCode: created initialization part: time 0.00732/0.8128, allocations: 3.85 MB / 0.4923 GB, free: 127.1 MB / 430.1 MB Notification: Performance of simCode: created event and clocks part: time 1.177e-05/0.8128, allocations: 3.844 kB / 0.4923 GB, free: 127.1 MB / 430.1 MB Notification: Performance of simCode: created simulation system equations: time 0.004163/0.817, allocations: 2.647 MB / 0.4949 GB, free: 125.6 MB / 430.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004547/0.8215, allocations: 0.8066 MB / 0.4957 GB, free: 125.4 MB / 430.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01781/0.8393, allocations: 9.786 MB / 0.5052 GB, free: 120.5 MB / 430.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003122/0.8424, allocations: 2.898 MB / 0.508 GB, free: 118.4 MB / 430.1 MB Notification: Performance of simCode: alias equations: time 0.002876/0.8453, allocations: 0.7718 MB / 0.5088 GB, free: 117.8 MB / 430.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006503/0.846, allocations: 230.2 kB / 0.509 GB, free: 117.6 MB / 430.1 MB Notification: Performance of SimCode: time 1.624e-06/0.846, allocations: 0 / 0.509 GB, free: 117.6 MB / 430.1 MB Notification: Performance of Templates: time 0.07987/0.9258, allocations: 44.29 MB / 0.5523 GB, free: 74.26 MB / 430.1 MB " [Timeout remaining time 659] make -j1 -f Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.pipe ; mkfifo Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.pipe >> ../files/Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.sim & ./Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Magnetic/FundamentalWave/Examples/BasicMachines/SMPM_Inverter/SMPM_Inverter.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.SMPM_Inverter.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 7.244145601987839]