Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.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 0.0008736/0.0008736, allocations: 80.81 kB / 19.94 MB, free: 4.547 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 0.944/0.944, allocations: 177.2 MB / 200.3 MB, free: 5.32 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 0.001154/0.001154, allocations: 160.6 kB / 257 MB, free: 12.77 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 0.4109/0.4109, allocations: 80.24 MB / 340.5 MB, free: 9.582 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.TG.WPIDHY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY") translateModel(OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=10000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 7.284e-06/7.284e-06, allocations: 0 / 383.8 MB, free: 14.67 MB / 362.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.55e-05/2.278e-05, allocations: 2.312 kB / 383.8 MB, free: 14.66 MB / 362.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY): time 0.006393/0.006416, allocations: 8.241 MB / 392.1 MB, free: 6.383 MB / 362.7 MB Notification: Performance of NFInst.instExpressions: time 0.006971/0.01339, allocations: 3.41 MB / 395.5 MB, free: 2.965 MB / 362.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007142/0.0141, allocations: 23.88 kB / 395.5 MB, free: 2.941 MB / 362.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0009139/0.01501, allocations: 440.5 kB / 395.9 MB, free: 2.508 MB / 362.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001974/0.01699, allocations: 1.235 MB / 397.2 MB, free: 1.266 MB / 362.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001307/0.0183, allocations: 1.123 MB / 398.3 MB, free: 144 kB / 362.7 MB Notification: Performance of NFFlatten.flatten: time 0.001613/0.01991, allocations: 2.559 MB / 400.8 MB, free: 13.57 MB / 378.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003469/0.02026, allocations: 334.5 kB / 401.2 MB, free: 13.2 MB / 378.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00103/0.02129, allocations: 1.418 MB / 402.6 MB, free: 11.77 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007665/0.02205, allocations: 0.9892 MB / 403.6 MB, free: 10.78 MB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002039/0.02226, allocations: 208 kB / 403.8 MB, free: 10.58 MB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0004364/0.02269, allocations: 403.7 kB / 404.2 MB, free: 10.18 MB / 378.7 MB Notification: Performance of NFScalarize.scalarize: time 0.000303/0.023, allocations: 0.5252 MB / 404.7 MB, free: 9.656 MB / 378.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004451/0.02344, allocations: 0.6814 MB / 405.4 MB, free: 8.973 MB / 378.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001295/0.02474, allocations: 1.864 MB / 407.2 MB, free: 7.102 MB / 378.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.176e-06/0.02474, allocations: 4 kB / 407.3 MB, free: 7.098 MB / 378.7 MB Notification: Performance of FrontEnd: time 9.12e-07/0.02474, allocations: 0 / 407.3 MB, free: 7.098 MB / 378.7 MB Notification: Performance of Transformations before backend: time 1.484e-05/0.02476, allocations: 0 / 407.3 MB, free: 7.098 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: 269 * Number of variables: 269 Notification: Performance of Generate backend data structure: time 0.005548/0.0303, allocations: 3.891 MB / 411.1 MB, free: 3.172 MB / 378.7 MB Notification: Performance of prepare preOptimizeDAE: time 2.75e-05/0.03033, allocations: 11.98 kB / 411.2 MB, free: 3.16 MB / 378.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002261/0.03259, allocations: 0.9597 MB / 412.1 MB, free: 2.199 MB / 378.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00102/0.03361, allocations: 0.8663 MB / 413 MB, free: 1.297 MB / 378.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003239/0.03394, allocations: 0.7283 MB / 413.7 MB, free: 436 kB / 378.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001473/0.03408, allocations: 128 kB / 413.8 MB, free: 308 kB / 378.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001062/0.03515, allocations: 1.072 MB / 414.9 MB, free: 15.14 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.86e-05/0.03516, allocations: 0 / 414.9 MB, free: 15.14 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.629e-05/0.03524, allocations: 44 kB / 414.9 MB, free: 15.1 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.399e-05/0.03525, allocations: 24 kB / 415 MB, free: 15.07 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006549/0.03591, allocations: 473.1 kB / 415.4 MB, free: 14.59 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 0.004034/0.03994, allocations: 3.111 MB / 418.5 MB, free: 11.39 MB / 394.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002297/0.04224, allocations: 1.349 MB / 419.9 MB, free: 10 MB / 394.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003452/0.04258, allocations: 298.4 kB / 420.2 MB, free: 9.703 MB / 394.7 MB Notification: Performance of preOpt evalFunc (simulation): time 9.539e-05/0.04268, allocations: 29.31 kB / 420.2 MB, free: 9.672 MB / 394.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.87e-05/0.04271, allocations: 55.8 kB / 420.3 MB, free: 9.609 MB / 394.7 MB Notification: Performance of pre-optimization done (n=132): time 2.624e-06/0.04271, allocations: 4 kB / 420.3 MB, free: 9.605 MB / 394.7 MB Notification: Performance of matching and sorting (n=132): time 0.0156/0.05831, allocations: 6.35 MB / 426.6 MB, free: 3.242 MB / 394.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001039/0.05841, allocations: 213.1 kB / 426.8 MB, free: 2.988 MB / 394.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008659/0.05928, allocations: 1.291 MB / 428.1 MB, free: 1.688 MB / 394.7 MB Notification: Performance of collectPreVariables (initialization): time 8.253e-05/0.05936, allocations: 49.7 kB / 428.2 MB, free: 1.633 MB / 394.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003406/0.0597, allocations: 0.5072 MB / 428.7 MB, free: 1.113 MB / 394.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002668/0.05997, allocations: 0.4995 MB / 429.2 MB, free: 0.6094 MB / 394.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003629/0.06033, allocations: 363.2 kB / 429.5 MB, free: 252 kB / 394.7 MB Notification: Performance of setup shared object (initialization): time 6.561e-05/0.0604, allocations: 301.1 kB / 429.8 MB, free: 15.95 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006223/0.06102, allocations: 403.6 kB / 430.2 MB, free: 15.55 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007394/0.06176, allocations: 0.7369 MB / 431 MB, free: 14.71 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001378/0.06314, allocations: 1.165 MB / 432.1 MB, free: 13.48 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.402e-06/0.06314, allocations: 4 kB / 432.1 MB, free: 13.47 MB / 410.7 MB Notification: Performance of matching and sorting (n=254) (initialization): time 0.004222/0.06736, allocations: 2.648 MB / 434.8 MB, free: 10.81 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.412e-05/0.06738, allocations: 8 kB / 434.8 MB, free: 10.8 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.015e-05/0.06739, allocations: 8 kB / 434.8 MB, free: 10.79 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002704/0.07009, allocations: 1.506 MB / 436.3 MB, free: 9.281 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007252/0.07082, allocations: 355.5 kB / 436.6 MB, free: 8.934 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001453/0.07227, allocations: 1.29 MB / 437.9 MB, free: 7.617 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007308/0.073, allocations: 234.7 kB / 438.2 MB, free: 7.387 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.847e-05/0.07308, allocations: 51.98 kB / 438.2 MB, free: 7.336 MB / 410.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007737/0.07385, allocations: 0.5055 MB / 438.7 MB, free: 6.824 MB / 410.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007811/0.07463, allocations: 0.7174 MB / 439.4 MB, free: 6.008 MB / 410.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001279/0.07591, allocations: 1.15 MB / 440.6 MB, free: 4.785 MB / 410.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.3e-06/0.07592, allocations: 4 kB / 440.6 MB, free: 4.781 MB / 410.7 MB Notification: Performance of matching and sorting (n=254) (initialization_lambda0): time 0.004246/0.08017, allocations: 2.648 MB / 443.2 MB, free: 2.117 MB / 410.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.262e-05/0.08018, allocations: 15.98 kB / 443.3 MB, free: 2.102 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.402e-06/0.08018, allocations: 4 kB / 443.3 MB, free: 2.098 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002641/0.08282, allocations: 1.495 MB / 444.8 MB, free: 0.5977 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006849/0.08351, allocations: 347.5 kB / 445.1 MB, free: 264 kB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1685/0.252, allocations: 1.29 MB / 446.4 MB, free: 54.36 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001255/0.2532, allocations: 218.4 kB / 446.6 MB, free: 54.36 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.816e-05/0.2533, allocations: 48.16 kB / 446.6 MB, free: 54.36 MB / 410.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 2 (wPIDHY.integrator.local_reset,wPIDHY.integrator1.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (202): * Single equations (assignments): 201 * 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 {(28,25)} Notification: Performance of prepare postOptimizeDAE: time 0.0002751/0.2536, allocations: 277.9 kB / 446.9 MB, free: 54.18 MB / 410.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002827/0.2539, allocations: 145.7 kB / 447.1 MB, free: 54.18 MB / 410.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005349/0.2592, allocations: 2.841 MB / 449.9 MB, free: 54.09 MB / 410.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.188e-05/0.2592, allocations: 14.12 kB / 449.9 MB, free: 54.09 MB / 410.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.098e-06/0.2592, allocations: 0 / 449.9 MB, free: 54.09 MB / 410.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.055e-05/0.2592, allocations: 11.58 kB / 449.9 MB, free: 54.09 MB / 410.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00621/0.2655, allocations: 3.626 MB / 453.5 MB, free: 53.78 MB / 410.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.138e-06/0.2655, allocations: 0 / 453.5 MB, free: 53.78 MB / 410.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004323/0.2659, allocations: 161.3 kB / 453.7 MB, free: 53.78 MB / 410.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.004638/0.2705, allocations: 2.098 MB / 455.8 MB, free: 53.75 MB / 410.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.994e-05/0.2706, allocations: 34.61 kB / 455.8 MB, free: 53.75 MB / 410.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005938/0.2766, allocations: 4.224 MB / 460.1 MB, free: 52.58 MB / 410.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.823e-06/0.2766, allocations: 0 / 460.1 MB, free: 52.58 MB / 410.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00506/0.2816, allocations: 3.357 MB / 463.4 MB, free: 51.51 MB / 410.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0002084/0.2818, allocations: 182.4 kB / 463.6 MB, free: 51.5 MB / 410.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001527/0.282, allocations: 26.03 kB / 463.6 MB, free: 51.5 MB / 410.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005952/0.2826, allocations: 110.7 kB / 463.7 MB, free: 51.48 MB / 410.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003318/0.2829, allocations: 249 kB / 464 MB, free: 51.33 MB / 410.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.856e-05/0.283, allocations: 25.17 kB / 464 MB, free: 51.31 MB / 410.7 MB Notification: Performance of sorting global known variables: time 0.0004707/0.2834, allocations: 0.6754 MB / 464.7 MB, free: 50.75 MB / 410.7 MB Notification: Performance of sort global known variables: time 8.1e-08/0.2834, allocations: 0 / 464.7 MB, free: 50.75 MB / 410.7 MB Notification: Performance of remove unused functions: time 0.001316/0.2847, allocations: 0.9031 MB / 465.6 MB, free: 49.98 MB / 410.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 16 (gENCLS.delta,gENCLS.eq,gENSAL.w,gENSAL.delta,gENSAL.Epq,gENSAL.PSIkd,gENSAL.PSIppq,wPIDHY.simpleLag.state,wPIDHY.integrator.y,wPIDHY.simpleLag1.state,wPIDHY.simpleLag2.state,wPIDHY.derivativeLag.TF.x_scaled[1],wPIDHY.integrator1.y,wPIDHY.leadLag1.TF.x_scaled[1],wPIDHY.derivative.x,gENCLS.omega) * 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 (89): * Single equations (assignments): 88 * 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 0.001051/0.2858, allocations: 0.4904 MB / 466.1 MB, free: 49.8 MB / 410.7 MB Notification: Performance of simCode: created initialization part: time 0.004553/0.2904, allocations: 2.837 MB / 468.9 MB, free: 47.24 MB / 410.7 MB Notification: Performance of simCode: created event and clocks part: time 1.381e-05/0.2904, allocations: 18.75 kB / 468.9 MB, free: 47.23 MB / 410.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001775/0.2921, allocations: 1.246 MB / 470.2 MB, free: 46.09 MB / 410.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007328/0.2929, allocations: 242.8 kB / 470.4 MB, free: 45.96 MB / 410.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003101/0.296, allocations: 2.913 MB / 473.3 MB, free: 43.24 MB / 410.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001761/0.2961, allocations: 330.1 kB / 473.6 MB, free: 42.9 MB / 410.7 MB Notification: Performance of simCode: alias equations: time 0.0004449/0.2966, allocations: 200.6 kB / 473.8 MB, free: 42.71 MB / 410.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004207/0.297, allocations: 257.1 kB / 474.1 MB, free: 42.46 MB / 410.7 MB Notification: Performance of SimCode: time 1.793e-06/0.297, allocations: 0 / 474.1 MB, free: 42.46 MB / 410.7 MB Notification: Performance of Templates: time 0.03286/0.3299, allocations: 39.05 MB / 0.5011 GB, free: 4.176 MB / 410.7 MB " [Timeout remaining time 660] make -j1 -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.makefile [Timeout 660] (rm -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.sim & ./OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Controls.PSSE.TG.WPIDHY.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.213778046891093]