Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.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 0.0008578/0.0008578, allocations: 80.94 kB / 19.94 MB, free: 4.543 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 0.8933/0.8933, allocations: 177.2 MB / 200.3 MB, free: 5.383 MB / 186.7 MB " [Timeout remaining time 179] 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 0.001149/0.001149, allocations: 160.6 kB / 257 MB, free: 12.81 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/package.mo): time 0.3944/0.3944, allocations: 80.25 MB / 340.5 MB, free: 9.551 MB / 314.7 MB " [Timeout remaining time 180] Using package OpenIPSL with version 3.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0/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 Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Tests.Controls.PSSE.ES.EXAC2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2") translateModel(OpenIPSL.Tests.Controls.PSSE.ES.EXAC2,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.252e-06/1.252e-06, allocations: 0 / 383.8 MB, free: 14.64 MB / 362.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.463e-05/1.588e-05, allocations: 2.312 kB / 383.8 MB, free: 14.63 MB / 362.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.ES.EXAC2): time 0.006452/0.006468, allocations: 8.596 MB / 392.4 MB, free: 6 MB / 362.7 MB Notification: Performance of NFInst.instExpressions: time 0.004013/0.01048, allocations: 3.081 MB / 395.5 MB, free: 2.91 MB / 362.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000398/0.01088, allocations: 19.94 kB / 395.5 MB, free: 2.891 MB / 362.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0005921/0.01147, allocations: 376.7 kB / 395.9 MB, free: 2.52 MB / 362.7 MB Notification: Performance of NFTyping.typeBindings: time 0.00142/0.01289, allocations: 1.141 MB / 397 MB, free: 1.371 MB / 362.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001167/0.01406, allocations: 1.06 MB / 398.1 MB, free: 316 kB / 362.7 MB Notification: Performance of NFFlatten.flatten: time 0.001599/0.01566, allocations: 2.618 MB / 400.7 MB, free: 13.68 MB / 378.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003921/0.01605, allocations: 392.5 kB / 401.1 MB, free: 13.25 MB / 378.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0009808/0.01703, allocations: 1.461 MB / 402.6 MB, free: 11.78 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007556/0.01779, allocations: 1.016 MB / 403.6 MB, free: 10.76 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0001974/0.01798, allocations: 224 kB / 403.8 MB, free: 10.54 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0004575/0.01844, allocations: 443.6 kB / 404.2 MB, free: 10.11 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0002968/0.01874, allocations: 0.5525 MB / 404.8 MB, free: 9.555 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004266/0.01916, allocations: 0.7204 MB / 405.5 MB, free: 8.832 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.00134/0.0205, allocations: 1.926 MB / 407.4 MB, free: 6.898 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.236e-06/0.02051, allocations: 0 / 407.4 MB, free: 6.898 MB / 378.7 MB Notification: Performance of FrontEnd: time 1.172e-06/0.02051, allocations: 0 / 407.4 MB, free: 6.898 MB / 378.7 MB Notification: Performance of Transformations before backend: time 1.08e-05/0.02052, allocations: 0 / 407.4 MB, free: 6.898 MB / 378.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.005559/0.02608, allocations: 3.895 MB / 411.3 MB, free: 2.965 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.295e-05/0.02611, allocations: 8.031 kB / 411.3 MB, free: 2.957 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002288/0.0284, allocations: 0.9832 MB / 412.3 MB, free: 1.973 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009878/0.02939, allocations: 0.8264 MB / 413.1 MB, free: 1.109 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003376/0.02972, allocations: 0.7648 MB / 413.9 MB, free: 200 kB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001556/0.02988, allocations: 143.9 kB / 414 MB, free: 56 kB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001233/0.03111, allocations: 1.056 MB / 415.1 MB, free: 14.94 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.248e-05/0.03114, allocations: 0 / 415.1 MB, free: 14.94 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.376e-05/0.03122, allocations: 48 kB / 415.2 MB, free: 14.89 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.734e-05/0.03124, allocations: 28 kB / 415.2 MB, free: 14.87 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007001/0.03194, allocations: 496.1 kB / 415.7 MB, free: 14.36 MB / 394.7 MB 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 0.004005/0.03594, allocations: 2.95 MB / 418.6 MB, free: 11.34 MB / 394.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002463/0.0384, allocations: 1.462 MB / 420.1 MB, free: 9.855 MB / 394.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003708/0.03878, allocations: 330.9 kB / 420.4 MB, free: 9.523 MB / 394.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001761/0.03895, allocations: 65.27 kB / 420.5 MB, free: 9.461 MB / 394.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005858/0.03954, allocations: 0.6206 MB / 421.1 MB, free: 8.816 MB / 394.7 MB Notification: Performance of pre-optimization done (n=143): time 2.564e-06/0.03954, allocations: 0 / 421.1 MB, free: 8.816 MB / 394.7 MB Notification: Performance of matching and sorting (n=143): time 0.01541/0.05495, allocations: 6.386 MB / 427.5 MB, free: 2.406 MB / 394.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 6.035e-05/0.05501, allocations: 145.8 kB / 427.6 MB, free: 2.234 MB / 394.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001092/0.05611, allocations: 1.225 MB / 428.8 MB, free: 1.004 MB / 394.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001042/0.05621, allocations: 61.7 kB / 428.9 MB, free: 0.9375 MB / 394.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.000441/0.05665, allocations: 0.5029 MB / 429.4 MB, free: 432 kB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003627/0.05701, allocations: 0.5346 MB / 429.9 MB, free: 15.88 MB / 410.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005114/0.05753, allocations: 387.4 kB / 430.3 MB, free: 15.49 MB / 410.7 MB Notification: Performance of setup shared object (initialization): time 6.824e-05/0.05759, allocations: 301.1 kB / 430.6 MB, free: 15.2 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0008569/0.05845, allocations: 420.2 kB / 431 MB, free: 14.77 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001011/0.05946, allocations: 0.6568 MB / 431.7 MB, free: 14.04 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001819/0.06128, allocations: 1.187 MB / 432.9 MB, free: 12.8 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.683e-06/0.06129, allocations: 0 / 432.9 MB, free: 12.8 MB / 410.7 MB Notification: Performance of matching and sorting (n=265) (initialization): time 0.00387/0.06516, allocations: 1.963 MB / 434.8 MB, free: 10.82 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.993e-05/0.06518, allocations: 8 kB / 434.8 MB, free: 10.81 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.663e-05/0.06519, allocations: 7.984 kB / 434.8 MB, free: 10.8 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004442/0.06964, allocations: 1.761 MB / 436.6 MB, free: 9.035 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009896/0.07063, allocations: 347.5 kB / 436.9 MB, free: 8.695 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002254/0.07288, allocations: 1.933 MB / 438.9 MB, free: 6.711 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001101/0.07398, allocations: 238.8 kB / 439.1 MB, free: 6.477 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001177/0.0741, allocations: 55.98 kB / 439.2 MB, free: 6.422 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00105/0.07515, allocations: 0.5175 MB / 439.7 MB, free: 5.895 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009758/0.07612, allocations: 0.6529 MB / 440.3 MB, free: 5.168 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001769/0.07789, allocations: 1.176 MB / 441.5 MB, free: 3.93 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.717e-06/0.0779, allocations: 4 kB / 441.5 MB, free: 3.926 MB / 410.7 MB Notification: Performance of matching and sorting (n=265) (initialization_lambda0): time 0.003901/0.0818, allocations: 1.971 MB / 443.5 MB, free: 1.941 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.448e-05/0.08182, allocations: 7.281 kB / 443.5 MB, free: 1.938 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.666e-06/0.08183, allocations: 4 kB / 443.5 MB, free: 1.934 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004355/0.08618, allocations: 1.753 MB / 445.2 MB, free: 176 kB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.1519/0.2381, allocations: 337.7 kB / 445.6 MB, free: 55.66 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002031/0.2401, allocations: 1.915 MB / 447.5 MB, free: 54.62 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001142/0.2412, allocations: 220.2 kB / 447.7 MB, free: 54.62 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001071/0.2413, allocations: 54.47 kB / 447.8 MB, free: 54.62 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 3 (eXAC2.rotatingExciterWithDemagnetizationLimited.sISO.local_reset,$whenCondition2,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (201): * Single equations (assignments): 199 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(30,26), (1,9)} Notification: Performance of prepare postOptimizeDAE: time 0.0002721/0.2416, allocations: 273.5 kB / 448 MB, free: 54.45 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002525/0.2419, allocations: 151.5 kB / 448.2 MB, free: 54.45 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005102/0.247, allocations: 2.893 MB / 451.1 MB, free: 54.33 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.383e-05/0.247, allocations: 23.88 kB / 451.1 MB, free: 54.33 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.478e-06/0.247, allocations: 2.438 kB / 451.1 MB, free: 54.33 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.225e-05/0.247, allocations: 8.188 kB / 451.1 MB, free: 54.33 MB / 410.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006074/0.2531, allocations: 3.804 MB / 454.9 MB, free: 53.94 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.605e-06/0.2531, allocations: 3.266 kB / 454.9 MB, free: 53.94 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004645/0.2536, allocations: 182.4 kB / 455.1 MB, free: 53.94 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.004443/0.258, allocations: 2.097 MB / 457.2 MB, free: 53.91 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.874e-05/0.2581, allocations: 33.08 kB / 457.2 MB, free: 53.91 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005695/0.2638, allocations: 4.214 MB / 461.4 MB, free: 52.73 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.677e-06/0.2638, allocations: 0.5469 kB / 461.4 MB, free: 52.73 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004973/0.2687, allocations: 3.307 MB / 464.7 MB, free: 50.98 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002464/0.269, allocations: 175.5 kB / 464.9 MB, free: 50.93 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001498/0.2691, allocations: 29.5 kB / 464.9 MB, free: 50.92 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005671/0.2697, allocations: 113.2 kB / 465 MB, free: 50.83 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003867/0.2701, allocations: 287.5 kB / 465.3 MB, free: 50.62 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.542e-05/0.2701, allocations: 25.05 kB / 465.4 MB, free: 50.61 MB / 410.7 MB Notification: Performance of sorting global known variables: time 0.0004392/0.2706, allocations: 0.6497 MB / 466 MB, free: 50.06 MB / 410.7 MB Notification: Performance of sort global known variables: time 8e-08/0.2706, allocations: 0 / 466 MB, free: 50.06 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.001323/0.2719, allocations: 0.9645 MB / 467 MB, free: 49.25 MB / 410.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 14 (gENCLS.omega,gENCLS.delta,gENCLS.eq,gENROE.w,gENROE.delta,gENROE.Epd,gENROE.Epq,gENROE.PSIkd,gENROE.PSIkq,eXAC2.imLimitedSimpleLag.state,eXAC2.imDerivativeLag.x,eXAC2.leadLag.TF.x_scaled[1],eXAC2.rotatingExciterWithDemagnetizationLimited.sISO.y,eXAC2.TransducerDelay.state) * Number of discrete variables: 2 ($whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (100): * Single equations (assignments): 99 * 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 {(26,23)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002646/0.2722, allocations: 159.4 kB / 467.1 MB, free: 49.12 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.004763/0.2769, allocations: 3.015 MB / 470.1 MB, free: 46.4 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 1.054e-05/0.277, allocations: 16 kB / 470.2 MB, free: 46.39 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001739/0.2787, allocations: 1.279 MB / 471.4 MB, free: 45.21 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005625/0.2793, allocations: 192.9 kB / 471.6 MB, free: 45.11 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003018/0.2823, allocations: 2.952 MB / 474.6 MB, free: 42.36 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001554/0.2824, allocations: 312.2 kB / 474.9 MB, free: 42.04 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0004414/0.2829, allocations: 193.5 kB / 475.1 MB, free: 41.85 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003648/0.2832, allocations: 246.9 kB / 475.3 MB, free: 41.62 MB / 410.7 MB Notification: Performance of SimCode: time 1.042e-06/0.2832, allocations: 0 / 475.3 MB, free: 41.62 MB / 410.7 MB Notification: Performance of Templates: time 0.03534/0.3186, allocations: 41.23 MB / 0.5044 GB, free: 1.008 MB / 410.7 MB " [Timeout remaining time 660] make -j1 -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.makefile [Timeout 660] (rm -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.sim & ./OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2 -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.EXAC2.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.038946392945945]