Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.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 0.001157/0.001157, allocations: 81.86 kB / 21.44 MB, free: 3.055 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 0.001219/0.001219, allocations: 172.3 kB / 24.84 MB, free: 8.918 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 0.9948/0.9948, allocations: 177.2 MB / 205.3 MB, free: 5.5 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 0.6519/0.6519, allocations: 115 MB / 376.8 MB, free: 7.516 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.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N") translateModel(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.553e-06/1.553e-06, allocations: 0 / 482.8 MB, free: 11.69 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.391e-05/2.546e-05, allocations: 2.938 kB / 482.8 MB, free: 11.68 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N): time 0.00878/0.008805, allocations: 7.291 MB / 490.1 MB, free: 6.977 MB / 410.7 MB Notification: Performance of NFInst.instExpressions: time 0.006902/0.01571, allocations: 3.952 MB / 494 MB, free: 4.344 MB / 410.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009088/0.01662, allocations: 51.81 kB / 494.1 MB, free: 4.324 MB / 410.7 MB Notification: Performance of NFTyping.typeComponents: time 0.00115/0.01777, allocations: 371.8 kB / 494.4 MB, free: 4.145 MB / 410.7 MB Notification: Performance of NFTyping.typeBindings: time 0.001249/0.01902, allocations: 0.6552 MB / 495.1 MB, free: 3.746 MB / 410.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001298/0.02031, allocations: 0.6614 MB / 495.7 MB, free: 3.379 MB / 410.7 MB Notification: Performance of NFFlatten.flatten: time 0.002755/0.02307, allocations: 2.587 MB / 498.3 MB, free: 2.207 MB / 410.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002342/0.02541, allocations: 1.769 MB / 0.4884 GB, free: 1.32 MB / 410.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002621/0.02803, allocations: 1.714 MB / 0.4901 GB, free: 0.5586 MB / 410.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002327/0.03036, allocations: 1.398 MB / 0.4914 GB, free: 92 kB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0008155/0.03117, allocations: 250.5 kB / 0.4917 GB, free: 92 kB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0009538/0.03213, allocations: 413.4 kB / 0.492 GB, free: 36 kB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.001082/0.03321, allocations: 1.017 MB / 0.493 GB, free: 15.54 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001771/0.03498, allocations: 0.7521 MB / 0.4938 GB, free: 15.18 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002605/0.03759, allocations: 2.103 MB / 0.4958 GB, free: 13.48 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.609e-06/0.03759, allocations: 1.844 kB / 0.4958 GB, free: 13.48 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.393e-06/0.03759, allocations: 0 / 0.4958 GB, free: 13.48 MB / 426.7 MB Notification: Performance of Transformations before backend: time 7.684e-05/0.03767, allocations: 0 / 0.4958 GB, free: 13.48 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 425 * Number of variables: 425 Notification: Performance of Generate backend data structure: time 0.003275/0.04094, allocations: 2.133 MB / 0.4979 GB, free: 11.5 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.459e-05/0.04098, allocations: 15.97 kB / 0.4979 GB, free: 11.48 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001857/0.04284, allocations: 0.6462 MB / 0.4986 GB, free: 10.93 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001185/0.04402, allocations: 0.9324 MB / 0.4995 GB, free: 10.08 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.565e-05/0.04409, allocations: 119.6 kB / 0.4996 GB, free: 9.965 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001893/0.04427, allocations: 162.2 kB / 0.4997 GB, free: 9.809 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001962/0.04624, allocations: 1.552 MB / 0.5013 GB, free: 8.48 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.562e-05/0.04627, allocations: 13.14 kB / 0.5013 GB, free: 8.469 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001256/0.0464, allocations: 64 kB / 0.5013 GB, free: 8.406 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001613/0.04656, allocations: 112.1 kB / 0.5014 GB, free: 8.312 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009278/0.04749, allocations: 0.4905 MB / 0.5019 GB, free: 7.934 MB / 426.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006217/0.0537, allocations: 6.417 MB / 0.5082 GB, free: 1.754 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0004657/0.05417, allocations: 281.5 kB / 0.5085 GB, free: 1.469 MB / 426.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001741/0.05434, allocations: 140.1 kB / 0.5086 GB, free: 1.332 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 6.114e-05/0.05441, allocations: 13.66 kB / 0.5086 GB, free: 1.32 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.486e-05/0.05443, allocations: 45.7 kB / 0.5086 GB, free: 1.266 MB / 426.7 MB Notification: Performance of pre-optimization done (n=46): time 1.904e-06/0.05443, allocations: 0 / 0.5086 GB, free: 1.266 MB / 426.7 MB Notification: Performance of matching and sorting (n=70): time 0.00723/0.06166, allocations: 2.476 MB / 0.5111 GB, free: 14.83 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.461e-05/0.0617, allocations: 67.98 kB / 0.5111 GB, free: 14.75 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000648/0.06235, allocations: 0.7682 MB / 0.5119 GB, free: 13.96 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 5.744e-05/0.0624, allocations: 38.7 kB / 0.5119 GB, free: 13.92 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004287/0.06283, allocations: 0.8803 MB / 0.5128 GB, free: 13.03 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000177/0.06301, allocations: 283.3 kB / 0.513 GB, free: 12.75 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002914/0.0633, allocations: 228.4 kB / 0.5133 GB, free: 12.52 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 0.0002437/0.06354, allocations: 0.6171 MB / 0.5139 GB, free: 11.89 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002742/0.06382, allocations: 173.4 kB / 0.514 GB, free: 11.71 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005139/0.06433, allocations: 0.7418 MB / 0.5148 GB, free: 10.75 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008079/0.06514, allocations: 0.929 MB / 0.5157 GB, free: 9.625 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.711e-06/0.06515, allocations: 7.938 kB / 0.5157 GB, free: 9.617 MB / 442.7 MB Notification: Performance of matching and sorting (n=127) (initialization): time 0.003203/0.06835, allocations: 1.401 MB / 0.517 GB, free: 8.199 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.946e-05/0.06837, allocations: 8.375 kB / 0.517 GB, free: 8.191 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.26e-05/0.06838, allocations: 16 kB / 0.5171 GB, free: 8.176 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.004705/0.07308, allocations: 1.547 MB / 0.5186 GB, free: 6.621 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004463/0.07353, allocations: 187.6 kB / 0.5187 GB, free: 6.438 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005798/0.07933, allocations: 5.495 MB / 0.5241 GB, free: 0.7344 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006501/0.07998, allocations: 59.89 kB / 0.5242 GB, free: 0.6758 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.615e-05/0.08005, allocations: 39.98 kB / 0.5242 GB, free: 0.6367 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006266/0.08067, allocations: 305.4 kB / 0.5245 GB, free: 340 kB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005008/0.08117, allocations: 0.7294 MB / 0.5252 GB, free: 15.38 MB / 458.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0007749/0.08195, allocations: 0.9072 MB / 0.5261 GB, free: 14.27 MB / 458.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.073e-06/0.08195, allocations: 4 kB / 0.5261 GB, free: 14.27 MB / 458.7 MB Notification: Performance of matching and sorting (n=127) (initialization_lambda0): time 0.002637/0.08459, allocations: 1.156 MB / 0.5272 GB, free: 13.1 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.271e-05/0.0846, allocations: 12 kB / 0.5272 GB, free: 13.09 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.191e-05/0.08462, allocations: 11.98 kB / 0.5273 GB, free: 13.07 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.002764/0.08738, allocations: 0.8102 MB / 0.528 GB, free: 12.26 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005351/0.08792, allocations: 215.6 kB / 0.5283 GB, free: 12.05 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003105/0.09102, allocations: 2.766 MB / 0.531 GB, free: 9.168 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006637/0.09168, allocations: 55.88 kB / 0.531 GB, free: 9.113 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.72e-05/0.09175, allocations: 47.97 kB / 0.5311 GB, free: 9.066 MB / 458.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * 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 (97): * Single equations (assignments): 95 * 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): 1 system {(4,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0002841/0.09204, allocations: 331.7 kB / 0.5314 GB, free: 8.734 MB / 458.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001761/0.09221, allocations: 111.4 kB / 0.5315 GB, free: 8.625 MB / 458.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003075/0.09529, allocations: 1.214 MB / 0.5327 GB, free: 7.391 MB / 458.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.843e-06/0.09529, allocations: 8 kB / 0.5327 GB, free: 7.383 MB / 458.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.26e-06/0.0953, allocations: 4 kB / 0.5327 GB, free: 7.379 MB / 458.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.233e-06/0.09531, allocations: 7.922 kB / 0.5327 GB, free: 7.371 MB / 458.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004505/0.09981, allocations: 2.335 MB / 0.535 GB, free: 4.953 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.68e-06/0.09982, allocations: 4 kB / 0.535 GB, free: 4.949 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001946/0.1, allocations: 79.83 kB / 0.535 GB, free: 4.871 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.004207/0.1042, allocations: 1.464 MB / 0.5365 GB, free: 3.402 MB / 458.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.134e-05/0.1043, allocations: 15.98 kB / 0.5365 GB, free: 3.387 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005162/0.1094, allocations: 5.391 MB / 0.5417 GB, free: 13.77 MB / 474.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.875e-06/0.1094, allocations: 7.984 kB / 0.5418 GB, free: 13.76 MB / 474.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002854/0.1123, allocations: 1.277 MB / 0.543 GB, free: 12.43 MB / 474.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0003548/0.1126, allocations: 187.3 kB / 0.5432 GB, free: 12.24 MB / 474.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.646e-05/0.1127, allocations: 19.94 kB / 0.5432 GB, free: 12.22 MB / 474.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003666/0.1131, allocations: 23.98 kB / 0.5432 GB, free: 12.2 MB / 474.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001879/0.1133, allocations: 76.41 kB / 0.5433 GB, free: 12.12 MB / 474.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.678e-05/0.1133, allocations: 12 kB / 0.5433 GB, free: 12.11 MB / 474.7 MB Notification: Performance of sorting global known variables: time 0.0004008/0.1137, allocations: 434.8 kB / 0.5437 GB, free: 11.7 MB / 474.7 MB Notification: Performance of sort global known variables: time 6e-08/0.1137, allocations: 0 / 0.5437 GB, free: 11.7 MB / 474.7 MB Notification: Performance of remove unused functions: time 0.002078/0.1158, allocations: 0.6992 MB / 0.5444 GB, free: 11 MB / 474.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 (42): * Single equations (assignments): 40 * 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): 1 system {(4,12,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,12)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0002543/0.1161, allocations: 119.2 kB / 0.5445 GB, free: 10.87 MB / 474.7 MB Notification: Performance of simCode: created initialization part: time 0.002704/0.1188, allocations: 1.944 MB / 0.5464 GB, free: 8.875 MB / 474.7 MB Notification: Performance of simCode: created event and clocks part: time 3.696e-06/0.1188, allocations: 0 / 0.5464 GB, free: 8.875 MB / 474.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0008791/0.1197, allocations: 0.8713 MB / 0.5473 GB, free: 7.961 MB / 474.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007768/0.1204, allocations: 264.1 kB / 0.5475 GB, free: 7.719 MB / 474.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004045/0.1245, allocations: 2.769 MB / 0.5502 GB, free: 4.875 MB / 474.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005148/0.125, allocations: 0.5297 MB / 0.5507 GB, free: 4.316 MB / 474.7 MB Notification: Performance of simCode: alias equations: time 0.0005069/0.1255, allocations: 155.3 kB / 0.5509 GB, free: 4.16 MB / 474.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003918/0.1259, allocations: 266.1 kB / 0.5511 GB, free: 3.898 MB / 474.7 MB Notification: Performance of SimCode: time 1.372e-06/0.1259, allocations: 0 / 0.5511 GB, free: 3.898 MB / 474.7 MB Notification: Performance of Templates: time 0.0361/0.162, allocations: 33.64 MB / 0.584 GB, free: 2.578 MB / 0.4948 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.sim & ./IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Lines.Examples.ACSimpleGrid_N.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.099304494913667]