Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.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 0.0008985/0.0008985, allocations: 88.2 kB / 20.94 MB, free: 3.602 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 0.001308/0.001308, allocations: 169 kB / 24.25 MB, free: 300 kB / 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 1.018/1.018, allocations: 177.1 MB / 204.6 MB, free: 5.613 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 0.6565/0.6565, allocations: 115 MB / 376 MB, free: 7.629 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.Movers.Validation.FlowControlled_m_flow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow") translateModel(IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.463e-06/1.463e-06, allocations: 0 / 481.5 MB, free: 11.93 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.42e-05/1.566e-05, allocations: 4.984 kB / 481.5 MB, free: 11.92 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow): time 0.5419/0.542, allocations: 327.3 MB / 0.7899 GB, free: 2.934 MB / 0.573 GB Notification: Performance of NFInst.instExpressions: time 0.02732/0.5693, allocations: 23.82 MB / 0.8132 GB, free: 0.5586 MB / 0.5886 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003846/0.5731, allocations: 141.6 kB / 0.8133 GB, free: 500 kB / 0.5886 GB Notification: Performance of NFTyping.typeComponents: time 0.005747/0.5789, allocations: 2.375 MB / 0.8156 GB, free: 14.11 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.009481/0.5883, allocations: 4.913 MB / 0.8204 GB, free: 9.172 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.005532/0.5939, allocations: 3.267 MB / 0.8236 GB, free: 5.902 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.01678/0.6107, allocations: 14.05 MB / 0.8373 GB, free: 7.82 MB / 0.6198 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00435/0.615, allocations: 1.832 MB / 0.8391 GB, free: 5.949 MB / 0.6198 GB Notification: Performance of NFEvalConstants.evaluate: time 0.009327/0.6243, allocations: 5.232 MB / 0.8442 GB, free: 0.7031 MB / 0.6198 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002338/0.6267, allocations: 1.76 MB / 0.846 GB, free: 14.96 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0002952/0.627, allocations: 224 kB / 0.8462 GB, free: 14.74 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004315/0.6313, allocations: 2.917 MB / 0.849 GB, free: 11.81 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0008024/0.6321, allocations: 1.246 MB / 0.8502 GB, free: 10.56 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.001027/0.6331, allocations: 1.114 MB / 0.8513 GB, free: 9.445 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.004496/0.6376, allocations: 3.946 MB / 0.8552 GB, free: 5.488 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 4.077e-06/0.6376, allocations: 3.938 kB / 0.8552 GB, free: 5.484 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.122e-06/0.6376, allocations: 4 kB / 0.8552 GB, free: 5.48 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 5.453e-05/0.6377, allocations: 0 / 0.8552 GB, free: 5.48 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 349 * Number of variables: 349 Notification: Performance of Generate backend data structure: time 0.004734/0.6424, allocations: 4.084 MB / 0.8592 GB, free: 1.32 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.746e-05/0.6424, allocations: 8.031 kB / 0.8592 GB, free: 1.312 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004936/0.6474, allocations: 1.179 MB / 0.8603 GB, free: 136 kB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005487/0.6529, allocations: 3.599 MB / 0.8638 GB, free: 12.45 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.461e-05/0.653, allocations: 118.8 kB / 0.864 GB, free: 12.33 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002277/0.6532, allocations: 168 kB / 0.8641 GB, free: 12.16 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002163/0.6553, allocations: 1.397 MB / 0.8655 GB, free: 10.63 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.307e-05/0.6554, allocations: 4 kB / 0.8655 GB, free: 10.63 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001177/0.6555, allocations: 56 kB / 0.8655 GB, free: 10.57 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.506e-05/0.6556, allocations: 50.59 kB / 0.8656 GB, free: 10.52 MB / 0.6511 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001337/0.6569, allocations: 0.6004 MB / 0.8662 GB, free: 9.914 MB / 0.6511 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 0.007906/0.6648, allocations: 6.697 MB / 0.8727 GB, free: 3.031 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001054/0.6658, allocations: 0.5355 MB / 0.8732 GB, free: 2.484 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004628/0.6663, allocations: 245.3 kB / 0.8735 GB, free: 2.242 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003248/0.6666, allocations: 40.95 kB / 0.8735 GB, free: 2.203 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.46e-05/0.6667, allocations: 45.98 kB / 0.8736 GB, free: 2.148 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=70): time 2.164e-06/0.6667, allocations: 0 / 0.8736 GB, free: 2.148 MB / 0.6511 GB Notification: Performance of matching and sorting (n=70): time 0.001654/0.6683, allocations: 0.8826 MB / 0.8744 GB, free: 1.258 MB / 0.6511 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.82e-05/0.6684, allocations: 64 kB / 0.8745 GB, free: 1.184 MB / 0.6511 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002983/0.6713, allocations: 2.56 MB / 0.877 GB, free: 14.61 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 7.486e-05/0.6714, allocations: 49.7 kB / 0.877 GB, free: 14.56 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.001439/0.6729, allocations: 1.585 MB / 0.8786 GB, free: 12.96 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001988/0.6731, allocations: 261.8 kB / 0.8788 GB, free: 12.7 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003271/0.6734, allocations: 276.4 kB / 0.8791 GB, free: 12.42 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0001667/0.6736, allocations: 0.5277 MB / 0.8796 GB, free: 11.89 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004038/0.674, allocations: 192.8 kB / 0.8798 GB, free: 11.7 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001043/0.675, allocations: 1.433 MB / 0.8812 GB, free: 9.773 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001306/0.6763, allocations: 1.256 MB / 0.8824 GB, free: 8.164 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.778e-06/0.6763, allocations: 4 kB / 0.8824 GB, free: 8.16 MB / 0.6667 GB Notification: Performance of matching and sorting (n=158) (initialization): time 0.001848/0.6782, allocations: 1.273 MB / 0.8837 GB, free: 6.879 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 2.318e-05/0.6782, allocations: 12 kB / 0.8837 GB, free: 6.867 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.854e-05/0.6782, allocations: 16 kB / 0.8837 GB, free: 6.852 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002047/0.6784, allocations: 31.98 kB / 0.8837 GB, free: 6.82 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001008/0.6794, allocations: 324.9 kB / 0.884 GB, free: 6.504 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0003817/0.6798, allocations: 0.9322 MB / 0.8849 GB, free: 5.543 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001664/0.6815, allocations: 163.6 kB / 0.8851 GB, free: 5.383 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001072/0.6816, allocations: 80.05 kB / 0.8852 GB, free: 5.305 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006779/0.6822, allocations: 337.3 kB / 0.8855 GB, free: 4.969 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0009946/0.6832, allocations: 1.413 MB / 0.8869 GB, free: 3.066 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001201/0.6844, allocations: 1.232 MB / 0.8881 GB, free: 1.477 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.418e-06/0.6845, allocations: 8 kB / 0.8881 GB, free: 1.469 MB / 0.6667 GB Notification: Performance of matching and sorting (n=158) (initialization_lambda0): time 0.001707/0.6862, allocations: 1.234 MB / 0.8893 GB, free: 232 kB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 1.766e-05/0.6862, allocations: 14.34 kB / 0.8893 GB, free: 220 kB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.92e-05/0.6862, allocations: 24.11 kB / 0.8893 GB, free: 196 kB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.28e-05/0.6862, allocations: 31.98 kB / 0.8894 GB, free: 164 kB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009488/0.6872, allocations: 299.5 kB / 0.8896 GB, free: 15.87 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.197e-05/0.6872, allocations: 39.86 kB / 0.8897 GB, free: 15.83 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00105/0.6883, allocations: 149.3 kB / 0.8898 GB, free: 15.68 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.794e-05/0.6883, allocations: 75.92 kB / 0.8899 GB, free: 15.61 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 84 * 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 (156): * Single equations (assignments): 153 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002478/0.6886, allocations: 359.5 kB / 0.8902 GB, free: 15.25 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003336/0.6889, allocations: 318 kB / 0.8905 GB, free: 14.94 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001239/0.6902, allocations: 0.7168 MB / 0.8912 GB, free: 14.21 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.156e-06/0.6902, allocations: 11.94 kB / 0.8912 GB, free: 14.2 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.559e-06/0.6902, allocations: 0 / 0.8912 GB, free: 14.2 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.000975/0.6911, allocations: 0.5079 MB / 0.8917 GB, free: 13.66 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003201/0.6943, allocations: 2.61 MB / 0.8943 GB, free: 10.97 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.102e-06/0.6944, allocations: 7.984 kB / 0.8943 GB, free: 10.96 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005723/0.6949, allocations: 191.8 kB / 0.8945 GB, free: 10.77 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.981e-06/0.6949, allocations: 4 kB / 0.8945 GB, free: 10.77 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.324e-05/0.695, allocations: 19.98 kB / 0.8945 GB, free: 10.75 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002463/0.6952, allocations: 0.8972 MB / 0.8954 GB, free: 9.824 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.333e-06/0.6952, allocations: 0 / 0.8954 GB, free: 9.824 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001164/0.6964, allocations: 1.111 MB / 0.8965 GB, free: 8.672 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004254/0.6968, allocations: 385.8 kB / 0.8968 GB, free: 8.293 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001707/0.697, allocations: 19.98 kB / 0.8969 GB, free: 8.273 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005384/0.6975, allocations: 51.42 kB / 0.8969 GB, free: 8.227 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.637e-05/0.6976, allocations: 56.44 kB / 0.897 GB, free: 8.168 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.183e-05/0.6977, allocations: 27.98 kB / 0.897 GB, free: 8.141 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001542/0.6992, allocations: 1.404 MB / 0.8984 GB, free: 6.746 MB / 0.6823 GB Notification: Performance of sort global known variables: time 8e-08/0.6992, allocations: 0 / 0.8984 GB, free: 6.746 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.002005/0.7012, allocations: 1.123 MB / 0.8995 GB, free: 5.621 MB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (floMacDyn.vol.dynBal.medium.Xi[1],floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m) * 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 (72): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0004634/0.7017, allocations: 297.5 kB / 0.8997 GB, free: 5.324 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.001552/0.7032, allocations: 1.132 MB / 0.9008 GB, free: 4.199 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 2.765e-06/0.7032, allocations: 0.9375 kB / 0.9008 GB, free: 4.199 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.0003377/0.7036, allocations: 272.8 kB / 0.9011 GB, free: 3.934 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003047/0.7066, allocations: 1.616 MB / 0.9027 GB, free: 2.414 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1795/0.8861, allocations: 4.212 MB / 0.9068 GB, free: 290 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00074/0.8868, allocations: 0.6012 MB / 0.9074 GB, free: 289.9 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.002512/0.8894, allocations: 0.6202 MB / 0.908 GB, free: 289.9 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000677/0.89, allocations: 231 kB / 0.9082 GB, free: 289.9 MB / 0.6823 GB Notification: Performance of SimCode: time 1.804e-06/0.89, allocations: 0.8438 kB / 0.9082 GB, free: 289.9 MB / 0.6823 GB Notification: Performance of Templates: time 0.05777/0.9478, allocations: 52.31 MB / 0.9593 GB, free: 265.7 MB / 0.6823 GB " [Timeout remaining time 659] make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.FlowControlled_m_flow.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.4958435508888215]