Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001412/0.001412, allocations: 106.5 kB / 16.45 MB, free: 6.457 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001961/0.001961, allocations: 198.8 kB / 19.41 MB, free: 3.645 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.614/1.614, allocations: 225.6 MB / 247.8 MB, free: 13.95 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 0.9199/0.9199, allocations: 145.2 MB / 447.9 MB, free: 6.355 MB / 350.1 MB " [Timeout remaining time 179] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7") translateModel(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 0.001953/0.001953, allocations: 64.64 kB / 0.6204 GB, free: 1.004 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.22/0.222, allocations: 86.64 MB / 0.705 GB, free: 10.3 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7): time 0.6141/0.836, allocations: 158.4 MB / 0.8597 GB, free: 13.25 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.03074/0.8668, allocations: 22.22 MB / 0.8814 GB, free: 6.961 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002149/0.8689, allocations: 67.62 kB / 0.8815 GB, free: 6.895 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002022/0.871, allocations: 1.387 MB / 0.8829 GB, free: 5.504 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.001875/0.8728, allocations: 1.023 MB / 0.8839 GB, free: 4.477 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.001632/0.8745, allocations: 0.6461 MB / 0.8845 GB, free: 3.836 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.002029/0.8765, allocations: 1.696 MB / 0.8861 GB, free: 2.137 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001122/0.8776, allocations: 0.7833 MB / 0.8869 GB, free: 1.324 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00104/0.8787, allocations: 0.7437 MB / 0.8876 GB, free: 0.5781 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001692/0.8803, allocations: 1.296 MB / 0.8889 GB, free: 15.28 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0001494/0.8805, allocations: 88 kB / 0.889 GB, free: 15.2 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003271/0.8808, allocations: 148 kB / 0.8891 GB, free: 15.05 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.0003876/0.8812, allocations: 424.3 kB / 0.8895 GB, free: 14.63 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.0006106/0.8818, allocations: 0.6519 MB / 0.8902 GB, free: 13.98 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.001828/0.8836, allocations: 1.653 MB / 0.8918 GB, free: 12.32 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 4.709e-06/0.8837, allocations: 0 / 0.8918 GB, free: 12.32 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.563e-06/0.8837, allocations: 0 / 0.8918 GB, free: 12.32 MB / 0.67 GB Notification: Performance of Transformations before backend: time 1.815e-05/0.8837, allocations: 0 / 0.8918 GB, free: 12.32 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 157 * Number of variables: 157 Notification: Performance of Generate backend data structure: time 0.00331/0.887, allocations: 1.98 MB / 0.8937 GB, free: 10.27 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.205e-05/0.887, allocations: 8.031 kB / 0.8937 GB, free: 10.27 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003488/0.8874, allocations: 195.7 kB / 0.8939 GB, free: 10.07 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001379/0.8888, allocations: 0.9078 MB / 0.8948 GB, free: 9.121 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001485/0.8889, allocations: 87 kB / 0.8949 GB, free: 9.031 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001227/0.889, allocations: 64 kB / 0.8949 GB, free: 8.969 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001369/0.8904, allocations: 0.7177 MB / 0.8956 GB, free: 8.223 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.389e-05/0.8904, allocations: 7.938 kB / 0.8956 GB, free: 8.215 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.281e-05/0.8905, allocations: 24 kB / 0.8957 GB, free: 8.191 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.759e-05/0.8905, allocations: 20 kB / 0.8957 GB, free: 8.172 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001195/0.8917, allocations: 0.5399 MB / 0.8962 GB, free: 7.633 MB / 0.67 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 0.005009/0.8967, allocations: 3.61 MB / 0.8997 GB, free: 3.738 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001393/0.8981, allocations: 0.5686 MB / 0.9003 GB, free: 3.164 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007633/0.8989, allocations: 346.3 kB / 0.9006 GB, free: 2.824 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 5.736e-05/0.8989, allocations: 12.53 kB / 0.9006 GB, free: 2.812 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007939/0.8997, allocations: 383.4 kB / 0.901 GB, free: 2.426 MB / 0.67 GB Notification: Performance of pre-optimization done (n=65): time 2.395e-06/0.8997, allocations: 4 kB / 0.901 GB, free: 2.422 MB / 0.67 GB Notification: Performance of matching and sorting (n=65): time 0.005198/0.9049, allocations: 1.77 MB / 0.9027 GB, free: 0.6016 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.887e-05/0.905, allocations: 63.91 kB / 0.9028 GB, free: 0.5273 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002596/0.9076, allocations: 2.259 MB / 0.905 GB, free: 14.26 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 6.275e-05/0.9076, allocations: 45.7 kB / 0.905 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006717/0.9083, allocations: 0.7193 MB / 0.9057 GB, free: 13.49 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002101/0.9085, allocations: 226.1 kB / 0.906 GB, free: 13.27 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002065/0.9087, allocations: 126.7 kB / 0.9061 GB, free: 13.14 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001643/0.9089, allocations: 334 kB / 0.9064 GB, free: 12.8 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006722/0.9096, allocations: 277.8 kB / 0.9067 GB, free: 12.53 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007652/0.9103, allocations: 424.5 kB / 0.9071 GB, free: 12.07 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001315/0.9116, allocations: 0.665 MB / 0.9077 GB, free: 11.36 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.917e-06/0.9116, allocations: 0 / 0.9077 GB, free: 11.36 MB / 0.6856 GB Notification: Performance of matching and sorting (n=93) (initialization): time 0.002485/0.9141, allocations: 1.115 MB / 0.9088 GB, free: 10.23 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.06e-05/0.9141, allocations: 8 kB / 0.9088 GB, free: 10.22 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.033e-05/0.9142, allocations: 4 kB / 0.9088 GB, free: 10.22 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009408/0.9151, allocations: 274.5 kB / 0.9091 GB, free: 9.953 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004715/0.9156, allocations: 119.8 kB / 0.9092 GB, free: 9.836 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005969/0.9215, allocations: 3.702 MB / 0.9128 GB, free: 6.012 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006947/0.9222, allocations: 99.41 kB / 0.9129 GB, free: 5.914 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.049e-05/0.9223, allocations: 24 kB / 0.9129 GB, free: 5.891 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 25 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition6,$PRE.intGai.nextTimeEvent,$whenCondition5,$PRE.reference.nextTimeEvent,$whenCondition4,$PRE.setTemp.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,conHeaCoo.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 66 * 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 {(2,25)} Notification: Performance of prepare postOptimizeDAE: time 0.0007812/0.9231, allocations: 463.8 kB / 0.9134 GB, free: 5.43 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002246/0.9233, allocations: 163.7 kB / 0.9135 GB, free: 5.27 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002911/0.9236, allocations: 191.7 kB / 0.9137 GB, free: 5.074 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.781e-06/0.9236, allocations: 4 kB / 0.9137 GB, free: 5.07 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.134e-05/0.9236, allocations: 4 kB / 0.9137 GB, free: 5.066 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.272e-05/0.9236, allocations: 11.91 kB / 0.9137 GB, free: 5.055 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003864/0.9275, allocations: 2.034 MB / 0.9157 GB, free: 2.957 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.71e-06/0.9275, allocations: 0.875 kB / 0.9157 GB, free: 2.957 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003018/0.9278, allocations: 59.83 kB / 0.9158 GB, free: 2.898 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0008118/0.9286, allocations: 275.6 kB / 0.916 GB, free: 2.625 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.094e-05/0.9286, allocations: 19.98 kB / 0.9161 GB, free: 2.605 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007133/0.9358, allocations: 5.255 MB / 0.9212 GB, free: 13.07 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.633e-06/0.9358, allocations: 0 / 0.9212 GB, free: 13.07 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002927/0.9387, allocations: 1.391 MB / 0.9225 GB, free: 11.66 MB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003915/0.9391, allocations: 275.9 kB / 0.9228 GB, free: 11.38 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001295/0.9392, allocations: 19.92 kB / 0.9228 GB, free: 11.36 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004151/0.9396, allocations: 31.97 kB / 0.9229 GB, free: 11.32 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001923/0.9398, allocations: 76.41 kB / 0.9229 GB, free: 11.25 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.458e-05/0.9399, allocations: 19.98 kB / 0.9229 GB, free: 11.23 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.002/0.9419, allocations: 1.635 MB / 0.9245 GB, free: 9.602 MB / 0.7012 GB Notification: Performance of sort global known variables: time 9e-08/0.9419, allocations: 0 / 0.9245 GB, free: 9.602 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001031/0.9429, allocations: 271.5 kB / 0.9248 GB, free: 9.336 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,conHeaCoo.I.y,assEqu.diff,mean.x) * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 9 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (39): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * 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 {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,22)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001773/0.9447, allocations: 494.5 kB / 0.9253 GB, free: 9.027 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.002095/0.9468, allocations: 0.8605 MB / 0.9261 GB, free: 8.156 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 6.713e-06/0.9468, allocations: 12 kB / 0.9261 GB, free: 8.145 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001213/0.948, allocations: 0.6475 MB / 0.9268 GB, free: 7.469 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001263/0.9493, allocations: 291.8 kB / 0.927 GB, free: 7.195 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005179/0.9545, allocations: 3.131 MB / 0.9301 GB, free: 4.035 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001134/0.9556, allocations: 1.311 MB / 0.9314 GB, free: 2.699 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.0003608/0.9559, allocations: 118.4 kB / 0.9315 GB, free: 2.578 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001626/0.9561, allocations: 59.42 kB / 0.9315 GB, free: 2.52 MB / 0.7012 GB Notification: Performance of SimCode: time 4.51e-07/0.9561, allocations: 4 kB / 0.9315 GB, free: 2.516 MB / 0.7012 GB Notification: Performance of Templates: time 0.03176/0.9879, allocations: 15.32 MB / 0.9465 GB, free: 3.367 MB / 0.7169 GB " [Timeout remaining time 659] make -j1 -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.makefile [Timeout 660] (rm -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.sim & ./BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe 2>&1) [Timeout 480] [Calling sys.exit(0), Time elapsed: 8.318064564839005]