Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Templates.Components.Validation.Routing.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 0.001065/0.001065, allocations: 80.8 kB / 20.75 MB, free: 3.742 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 0.0009747/0.0009747, allocations: 161 kB / 24.16 MB, free: 336 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 0.9028/0.9028, allocations: 177.1 MB / 204.6 MB, free: 5.473 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.877/1.877, allocations: 389.6 MB / 0.6354 GB, free: 12.29 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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(Buildings.Templates.Components.Validation.Routing,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Templates.Components.Validation.Routing") translateModel(Buildings.Templates.Components.Validation.Routing,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Templates.Components.Validation.Routing") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.422e-06/1.422e-06, allocations: 0.5469 kB / 0.7751 GB, free: 5.402 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.43e-05/1.572e-05, allocations: 2.812 kB / 0.7751 GB, free: 5.398 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Templates.Components.Validation.Routing): time 0.01626/0.01627, allocations: 24.78 MB / 0.7993 GB, free: 12.57 MB / 0.7605 GB Notification: Performance of NFInst.instExpressions: time 0.01512/0.03139, allocations: 9.867 MB / 0.809 GB, free: 2.785 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002571/0.03396, allocations: 191.3 kB / 0.8092 GB, free: 2.598 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.00118/0.03514, allocations: 0.7249 MB / 0.8099 GB, free: 1.867 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.003056/0.0382, allocations: 2.257 MB / 0.8121 GB, free: 15.62 MB / 0.7761 GB Notification: Performance of NFTyping.typeClassSections: time 0.003335/0.04153, allocations: 2.417 MB / 0.8144 GB, free: 13.2 MB / 0.7761 GB Notification: Performance of NFFlatten.flatten: time 0.006904/0.04844, allocations: 10.01 MB / 0.8242 GB, free: 3.164 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002489/0.05093, allocations: 2.952 MB / 0.8271 GB, free: 120 kB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004616/0.05554, allocations: 4.769 MB / 0.8317 GB, free: 11.37 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002137/0.05768, allocations: 2.51 MB / 0.8342 GB, free: 8.852 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.0003098/0.05799, allocations: 284 kB / 0.8345 GB, free: 8.574 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001058/0.05905, allocations: 0.7099 MB / 0.8352 GB, free: 7.863 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.0005158/0.05956, allocations: 0.8697 MB / 0.836 GB, free: 6.992 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.001061/0.06062, allocations: 1.294 MB / 0.8373 GB, free: 5.695 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.002386/0.06301, allocations: 3.126 MB / 0.8403 GB, free: 2.559 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 4.409e-06/0.06302, allocations: 0 / 0.8403 GB, free: 2.559 MB / 0.7917 GB Notification: Performance of FrontEnd: time 1.252e-06/0.06302, allocations: 0 / 0.8403 GB, free: 2.559 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 3.804e-05/0.06305, allocations: 0 / 0.8403 GB, free: 2.559 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 537 * Number of variables: 537 Notification: Performance of Generate backend data structure: time 0.002883/0.06594, allocations: 3.596 MB / 0.8438 GB, free: 14.91 MB / 0.8073 GB Notification: Performance of prepare preOptimizeDAE: time 3.276e-05/0.06597, allocations: 13.19 kB / 0.8439 GB, free: 14.9 MB / 0.8073 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005608/0.06653, allocations: 468 kB / 0.8443 GB, free: 14.45 MB / 0.8073 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002193/0.06872, allocations: 2.039 MB / 0.8463 GB, free: 12.33 MB / 0.8073 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.251e-05/0.06881, allocations: 172.2 kB / 0.8465 GB, free: 12.16 MB / 0.8073 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001981/0.06901, allocations: 232 kB / 0.8467 GB, free: 11.93 MB / 0.8073 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001486/0.07049, allocations: 1.762 MB / 0.8484 GB, free: 10.01 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.474e-05/0.07053, allocations: 3.984 kB / 0.8484 GB, free: 10 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001122/0.07064, allocations: 91.92 kB / 0.8485 GB, free: 9.914 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.684e-05/0.07068, allocations: 64 kB / 0.8486 GB, free: 9.852 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007086/0.07139, allocations: 0.6113 MB / 0.8491 GB, free: 9.242 MB / 0.8073 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004817/0.07621, allocations: 5.485 MB / 0.8545 GB, free: 3.633 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0003903/0.0766, allocations: 0.5679 MB / 0.8551 GB, free: 3.016 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002144/0.07682, allocations: 237.9 kB / 0.8553 GB, free: 2.766 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001158/0.07693, allocations: 56.17 kB / 0.8553 GB, free: 2.711 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.904e-05/0.07696, allocations: 54.73 kB / 0.8554 GB, free: 2.648 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=89): time 2.053e-06/0.07696, allocations: 0 / 0.8554 GB, free: 2.648 MB / 0.8073 GB Notification: Performance of matching and sorting (n=89): time 0.001519/0.07848, allocations: 0.8748 MB / 0.8562 GB, free: 1.77 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.934e-05/0.07853, allocations: 162.2 kB / 0.8564 GB, free: 1.574 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001343/0.07987, allocations: 1.931 MB / 0.8583 GB, free: 15.63 MB / 0.823 GB Notification: Performance of collectPreVariables (initialization): time 6.406e-05/0.07994, allocations: 57.64 kB / 0.8583 GB, free: 15.57 MB / 0.823 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004318/0.08037, allocations: 1.004 MB / 0.8593 GB, free: 14.55 MB / 0.823 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001577/0.08053, allocations: 329.1 kB / 0.8596 GB, free: 14.22 MB / 0.823 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002082/0.08074, allocations: 247.2 kB / 0.8599 GB, free: 13.98 MB / 0.823 GB Notification: Performance of setup shared object (initialization): time 8.195e-05/0.08082, allocations: 349.8 kB / 0.8602 GB, free: 13.63 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000162/0.08098, allocations: 129.9 kB / 0.8603 GB, free: 13.5 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007084/0.08169, allocations: 1.915 MB / 0.8622 GB, free: 11.05 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005115/0.0822, allocations: 0.6328 MB / 0.8628 GB, free: 10.3 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.14e-06/0.0822, allocations: 0 / 0.8628 GB, free: 10.3 MB / 0.823 GB Notification: Performance of matching and sorting (n=132) (initialization): time 0.00095/0.08315, allocations: 0.7898 MB / 0.8636 GB, free: 9.492 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.587e-05/0.08317, allocations: 11.94 kB / 0.8636 GB, free: 9.48 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.678e-06/0.08318, allocations: 8 kB / 0.8636 GB, free: 9.473 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006191/0.0838, allocations: 258.6 kB / 0.8639 GB, free: 9.219 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009036/0.0847, allocations: 379.3 kB / 0.8642 GB, free: 8.848 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00205/0.08675, allocations: 6.479 MB / 0.8705 GB, free: 2.109 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005457/0.0873, allocations: 131.7 kB / 0.8707 GB, free: 1.98 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.862e-05/0.08737, allocations: 47.98 kB / 0.8707 GB, free: 1.934 MB / 0.823 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003618/0.08773, allocations: 228.4 kB / 0.8709 GB, free: 1.707 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007978/0.08853, allocations: 1.915 MB / 0.8728 GB, free: 15.25 MB / 0.8386 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004695/0.089, allocations: 0.6058 MB / 0.8734 GB, free: 14.53 MB / 0.8386 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.036e-06/0.089, allocations: 4 kB / 0.8734 GB, free: 14.52 MB / 0.8386 GB Notification: Performance of matching and sorting (n=132) (initialization_lambda0): time 0.0007811/0.08978, allocations: 0.7602 MB / 0.8741 GB, free: 13.75 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 9.978e-06/0.08979, allocations: 8.375 kB / 0.8741 GB, free: 13.74 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.161e-06/0.0898, allocations: 12 kB / 0.8742 GB, free: 13.73 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001872/0.08998, allocations: 106.6 kB / 0.8743 GB, free: 13.62 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00043/0.09041, allocations: 243.6 kB / 0.8745 GB, free: 13.38 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001104/0.09152, allocations: 1.76 MB / 0.8762 GB, free: 11.54 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005229/0.09204, allocations: 120 kB / 0.8763 GB, free: 11.43 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.827e-05/0.0921, allocations: 47.98 kB / 0.8764 GB, free: 11.38 MB / 0.8386 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * 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 (120): * Single equations (assignments): 109 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 10 * Torn equation systems: 1 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems 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 {(6,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0001767/0.09228, allocations: 265 kB / 0.8766 GB, free: 11.11 MB / 0.8386 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001965/0.09247, allocations: 171.7 kB / 0.8768 GB, free: 10.94 MB / 0.8386 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008767/0.09335, allocations: 0.7933 MB / 0.8776 GB, free: 10.14 MB / 0.8386 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.235e-05/0.09336, allocations: 15.98 kB / 0.8776 GB, free: 10.12 MB / 0.8386 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.214e-06/0.09336, allocations: 0 / 0.8776 GB, free: 10.12 MB / 0.8386 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0005692/0.09393, allocations: 0.8001 MB / 0.8784 GB, free: 9.207 MB / 0.8386 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002461/0.09639, allocations: 2.666 MB / 0.881 GB, free: 6.418 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.61e-06/0.0964, allocations: 4 kB / 0.881 GB, free: 6.414 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004402/0.09684, allocations: 231.6 kB / 0.8812 GB, free: 6.188 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002189/0.09706, allocations: 129 kB / 0.8813 GB, free: 6.059 MB / 0.8386 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.672e-05/0.0971, allocations: 27.98 kB / 0.8813 GB, free: 6.031 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001797/0.09889, allocations: 6.448 MB / 0.8876 GB, free: 15.32 MB / 0.8542 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.889e-06/0.0989, allocations: 11.88 kB / 0.8876 GB, free: 15.31 MB / 0.8542 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001022/0.09992, allocations: 1.555 MB / 0.8892 GB, free: 13.65 MB / 0.8542 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003949/0.1003, allocations: 342 kB / 0.8895 GB, free: 13.31 MB / 0.8542 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001365/0.1005, allocations: 28 kB / 0.8895 GB, free: 13.28 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004954/0.1009, allocations: 55.92 kB / 0.8896 GB, free: 13.23 MB / 0.8542 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.806e-05/0.101, allocations: 79.69 kB / 0.8896 GB, free: 13.15 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.747e-05/0.1011, allocations: 39.97 kB / 0.8897 GB, free: 13.11 MB / 0.8542 GB Notification: Performance of sorting global known variables: time 0.0007249/0.1018, allocations: 1.005 MB / 0.8907 GB, free: 12.1 MB / 0.8542 GB Notification: Performance of sort global known variables: time 9e-08/0.1018, allocations: 0 / 0.8907 GB, free: 12.1 MB / 0.8542 GB Notification: Performance of remove unused functions: time 0.001826/0.1036, allocations: 1.43 MB / 0.8921 GB, free: 10.66 MB / 0.8542 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 25 * Number of states: 3 (sinMul.del.dynBal.U,mulSin.del.dynBal.U,mulMulCom.del.dynBal.U) * 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 (87): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 10 * Torn equation systems: 1 * 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): 10 systems {1, 1, 1, 1, 1, 1, 1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems 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 {(6,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003254/0.1039, allocations: 201.9 kB / 0.8923 GB, free: 10.46 MB / 0.8542 GB Notification: Performance of simCode: created initialization part: time 0.001928/0.1059, allocations: 1.235 MB / 0.8935 GB, free: 9.219 MB / 0.8542 GB Notification: Performance of simCode: created event and clocks part: time 2.543e-05/0.1059, allocations: 28.5 kB / 0.8935 GB, free: 9.191 MB / 0.8542 GB Notification: Performance of simCode: created simulation system equations: time 0.0004968/0.1064, allocations: 385.9 kB / 0.8939 GB, free: 8.812 MB / 0.8542 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002425/0.1088, allocations: 1.124 MB / 0.895 GB, free: 7.711 MB / 0.8542 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004468/0.1133, allocations: 4.666 MB / 0.8995 GB, free: 2.914 MB / 0.8542 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005461/0.1138, allocations: 0.6223 MB / 0.9001 GB, free: 2.273 MB / 0.8542 GB Notification: Performance of simCode: alias equations: time 0.0007656/0.1146, allocations: 374 kB / 0.9005 GB, free: 1.906 MB / 0.8542 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0013/0.1159, allocations: 0.7878 MB / 0.9012 GB, free: 1.098 MB / 0.8542 GB Notification: Performance of SimCode: time 7.12e-07/0.1159, allocations: 0 / 0.9012 GB, free: 1.098 MB / 0.8542 GB Notification: Performance of Templates: time 0.0514/0.1673, allocations: 47.15 MB / 0.9473 GB, free: 3.035 MB / 0.9011 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Templates.Components.Validation.Routing.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Templates.Components.Validation.Routing.pipe ; mkfifo Buildings_13_Buildings.Templates.Components.Validation.Routing.pipe ; head -c 1048576 < Buildings_13_Buildings.Templates.Components.Validation.Routing.pipe >> ../files/Buildings_13_Buildings.Templates.Components.Validation.Routing.sim & ./Buildings_13_Buildings.Templates.Components.Validation.Routing -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Templates.Components.Validation.Routing.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.94744484918192]