Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.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 0.0009237/0.0009237, allocations: 92.22 kB / 20.45 MB, free: 4.117 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 0.0009909/0.0009909, allocations: 157 kB / 23.82 MB, free: 0.7539 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 0.958/0.958, allocations: 177.1 MB / 204.2 MB, free: 5.641 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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 3.7.0/package.mo): time 0.5984/0.5984, allocations: 110.2 MB / 371 MB, free: 12.53 MB / 346.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance")
translateModel(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.884e-06/1.884e-06, allocations: 0 / 475.2 MB, free: 15.19 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.965e-05/3.153e-05, allocations: 4.609 kB / 475.2 MB, free: 15.18 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance): time 0.1492/0.1492, allocations: 150.8 MB / 0.6113 GB, free: 8.113 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.006488/0.1557, allocations: 3.824 MB / 0.615 GB, free: 4.281 MB / 0.5261 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001905/0.1576, allocations: 59.5 kB / 0.6151 GB, free: 4.223 MB / 0.5261 GB
Notification: Performance of NFTyping.typeComponents: time 0.00113/0.1587, allocations: 281.9 kB / 0.6154 GB, free: 3.945 MB / 0.5261 GB
Notification: Performance of NFTyping.typeBindings: time 0.002457/0.1612, allocations: 1.068 MB / 0.6164 GB, free: 2.871 MB / 0.5261 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00196/0.1632, allocations: 0.9741 MB / 0.6174 GB, free: 1.895 MB / 0.5261 GB
Notification: Performance of NFFlatten.flatten: time 0.00276/0.1659, allocations: 2.529 MB / 0.6198 GB, free: 15.36 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001065/0.167, allocations: 0.7437 MB / 0.6206 GB, free: 14.6 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.002444/0.1694, allocations: 1.392 MB / 0.6219 GB, free: 13.24 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001189/0.1706, allocations: 0.7595 MB / 0.6227 GB, free: 12.48 MB / 0.5417 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002042/0.1708, allocations: 100 kB / 0.6227 GB, free: 12.38 MB / 0.5417 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001123/0.1719, allocations: 0.6275 MB / 0.6234 GB, free: 11.75 MB / 0.5417 GB
Notification: Performance of NFScalarize.scalarize: time 0.000453/0.1724, allocations: 0.5221 MB / 0.6239 GB, free: 11.23 MB / 0.5417 GB
Notification: Performance of NFVerifyModel.verify: time 0.0005215/0.1729, allocations: 447 kB / 0.6243 GB, free: 10.79 MB / 0.5417 GB
Notification: Performance of NFConvertDAE.convert: time 0.001909/0.1748, allocations: 1.34 MB / 0.6256 GB, free: 9.445 MB / 0.5417 GB
Notification: Performance of FrontEnd - DAE generated: time 5.24e-06/0.1748, allocations: 0 / 0.6256 GB, free: 9.445 MB / 0.5417 GB
Notification: Performance of FrontEnd: time 2.184e-06/0.1748, allocations: 0 / 0.6256 GB, free: 9.445 MB / 0.5417 GB
Notification: Performance of Transformations before backend: time 3.67e-05/0.1749, allocations: 4 kB / 0.6256 GB, free: 9.441 MB / 0.5417 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 212
 * Number of variables: 212
Notification: Performance of Generate backend data structure: time 0.001988/0.1769, allocations: 1.491 MB / 0.6271 GB, free: 7.906 MB / 0.5417 GB
Notification: Performance of prepare preOptimizeDAE: time 4.804e-05/0.1769, allocations: 8.625 kB / 0.6271 GB, free: 7.898 MB / 0.5417 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001209/0.1781, allocations: 407.4 kB / 0.6275 GB, free: 7.5 MB / 0.5417 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009827/0.1791, allocations: 0.7338 MB / 0.6282 GB, free: 6.742 MB / 0.5417 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.971e-05/0.1791, allocations: 70.12 kB / 0.6282 GB, free: 6.676 MB / 0.5417 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001004/0.1792, allocations: 88 kB / 0.6283 GB, free: 6.59 MB / 0.5417 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001178/0.1804, allocations: 1.148 MB / 0.6295 GB, free: 5.285 MB / 0.5417 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.277e-05/0.1805, allocations: 3.938 kB / 0.6295 GB, free: 5.281 MB / 0.5417 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.119e-05/0.1805, allocations: 43.98 kB / 0.6295 GB, free: 5.238 MB / 0.5417 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.449e-05/0.1806, allocations: 33.98 kB / 0.6295 GB, free: 5.207 MB / 0.5417 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006017/0.1812, allocations: 355.6 kB / 0.6299 GB, free: 4.859 MB / 0.5417 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 0.003415/0.1846, allocations: 3.363 MB / 0.6332 GB, free: 1.395 MB / 0.5417 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003625/0.1849, allocations: 208.6 kB / 0.6334 GB, free: 1.184 MB / 0.5417 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001302/0.1851, allocations: 96.83 kB / 0.6334 GB, free: 1.086 MB / 0.5417 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001218/0.1852, allocations: 23.98 kB / 0.6335 GB, free: 1.062 MB / 0.5417 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.75e-05/0.1852, allocations: 45.39 kB / 0.6335 GB, free: 1.008 MB / 0.5417 GB
Notification: Performance of pre-optimization done (n=36): time 3.737e-06/0.1852, allocations: 0 / 0.6335 GB, free: 1.008 MB / 0.5417 GB
Notification: Performance of matching and sorting (n=38): time 0.001491/0.1867, allocations: 0.8551 MB / 0.6343 GB, free: 116 kB / 0.5417 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.02e-05/0.1867, allocations: 55.41 kB / 0.6344 GB, free: 48 kB / 0.5417 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006257/0.1874, allocations: 0.6946 MB / 0.6351 GB, free: 15.33 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 3.491e-05/0.1874, allocations: 37.7 kB / 0.6351 GB, free: 15.29 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002943/0.1877, allocations: 0.5686 MB / 0.6357 GB, free: 14.71 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 9.175e-05/0.1878, allocations: 150.8 kB / 0.6358 GB, free: 14.57 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001395/0.1879, allocations: 127.9 kB / 0.6359 GB, free: 14.43 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 0.0001784/0.1881, allocations: 0.5625 MB / 0.6365 GB, free: 13.86 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001556/0.1883, allocations: 69.27 kB / 0.6365 GB, free: 13.79 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003269/0.1886, allocations: 386 kB / 0.6369 GB, free: 13.3 MB / 0.5573 GB
Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: volDyn.dynBal.medium.p = volDyn.dynBal.p_start (bou.p = volDyn.dynBal.p_start)
Notification: Performance of analyzeInitialSystem (initialization): time 0.000753/0.1893, allocations: 0.5954 MB / 0.6375 GB, free: 12.61 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.485e-06/0.1894, allocations: 12 kB / 0.6375 GB, free: 12.59 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=74) (initialization): time 0.0006376/0.19, allocations: 468.9 kB / 0.638 GB, free: 12.13 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.287e-05/0.19, allocations: 11.94 kB / 0.638 GB, free: 12.12 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.427e-06/0.19, allocations: 8 kB / 0.638 GB, free: 12.11 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.04e-05/0.19, allocations: 8 kB / 0.638 GB, free: 12.1 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003128/0.1904, allocations: 135.8 kB / 0.6381 GB, free: 11.97 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.212e-05/0.1904, allocations: 15.98 kB / 0.6381 GB, free: 11.95 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003462/0.1907, allocations: 44.05 kB / 0.6382 GB, free: 11.91 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.921e-05/0.1908, allocations: 31.97 kB / 0.6382 GB, free: 11.88 MB / 0.5573 GB
Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization system:
         volDyn.dynBal.medium.p = volDyn.dynBal.p_start.
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 25
 * 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 (74):
 * Single equations (assignments): 74
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0001973/0.191, allocations: 200.3 kB / 0.6384 GB, free: 11.67 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001025/0.1911, allocations: 95.48 kB / 0.6385 GB, free: 11.58 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.412e-05/0.1912, allocations: 82.92 kB / 0.6386 GB, free: 11.49 MB / 0.5573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.901e-06/0.1912, allocations: 4 kB / 0.6386 GB, free: 11.49 MB / 0.5573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.815e-06/0.1912, allocations: 0 / 0.6386 GB, free: 11.49 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0003925/0.1916, allocations: 0.5095 MB / 0.6391 GB, free: 10.89 MB / 0.5573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001484/0.193, allocations: 1.21 MB / 0.6402 GB, free: 9.574 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.713e-06/0.193, allocations: 4.5 kB / 0.6402 GB, free: 9.57 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002208/0.1933, allocations: 79.91 kB / 0.6403 GB, free: 9.492 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.002e-05/0.1933, allocations: 8 kB / 0.6403 GB, free: 9.484 MB / 0.5573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.321e-05/0.1933, allocations: 19.98 kB / 0.6404 GB, free: 9.465 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.845e-06/0.1933, allocations: 7.938 kB / 0.6404 GB, free: 9.457 MB / 0.5573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.069e-06/0.1933, allocations: 7.938 kB / 0.6404 GB, free: 9.449 MB / 0.5573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000676/0.194, allocations: 0.6327 MB / 0.641 GB, free: 8.73 MB / 0.5573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000201/0.1942, allocations: 135.4 kB / 0.6411 GB, free: 8.598 MB / 0.5573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.722e-05/0.1943, allocations: 15.94 kB / 0.6411 GB, free: 8.582 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002854/0.1946, allocations: 27.98 kB / 0.6412 GB, free: 8.555 MB / 0.5573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.054e-05/0.1946, allocations: 39.83 kB / 0.6412 GB, free: 8.516 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.04e-05/0.1946, allocations: 23.98 kB / 0.6412 GB, free: 8.492 MB / 0.5573 GB
Notification: Performance of sorting global known variables: time 0.0003641/0.195, allocations: 430.9 kB / 0.6416 GB, free: 8.078 MB / 0.5573 GB
Notification: Performance of sort global known variables: time 6e-08/0.195, allocations: 0 / 0.6416 GB, free: 8.078 MB / 0.5573 GB
Notification: Performance of remove unused functions: time 0.000646/0.1957, allocations: 255.9 kB / 0.6419 GB, free: 7.828 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 17
 * Number of states: 3 (volDyn.dynBal.medium.Xi[1],volDyn.dynBal.U,volDyn.dynBal.mC[1])
 * 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 (38):
 * Single equations (assignments): 38
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.0003329/0.196, allocations: 167 kB / 0.642 GB, free: 7.652 MB / 0.5573 GB
Notification: Performance of simCode: created initialization part: time 0.0004867/0.1965, allocations: 280.5 kB / 0.6423 GB, free: 7.379 MB / 0.5573 GB
Notification: Performance of simCode: created event and clocks part: time 7.013e-06/0.1965, allocations: 8 kB / 0.6423 GB, free: 7.371 MB / 0.5573 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001314/0.1966, allocations: 119.4 kB / 0.6424 GB, free: 7.25 MB / 0.5573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001178/0.1978, allocations: 465.2 kB / 0.6429 GB, free: 6.816 MB / 0.5573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002557/0.2003, allocations: 1.631 MB / 0.6445 GB, free: 5.078 MB / 0.5573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001881/0.2005, allocations: 234.9 kB / 0.6447 GB, free: 4.828 MB / 0.5573 GB
Notification: Performance of simCode: alias equations: time 0.000521/0.2011, allocations: 182.2 kB / 0.6449 GB, free: 4.645 MB / 0.5573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001302/0.2012, allocations: 68.48 kB / 0.6449 GB, free: 4.578 MB / 0.5573 GB
Notification: Performance of SimCode: time 1.954e-06/0.2012, allocations: 0 / 0.6449 GB, free: 4.578 MB / 0.5573 GB
Notification: Performance of Templates: time 0.2598/0.4609, allocations: 16.54 MB / 0.6611 GB, free: 49.75 MB / 0.5573 GB
"
[Timeout remaining time 660]
make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.makefile [Timeout 660]
(rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance -abortSlowSimulation -alarm=240  -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.MixingVolumes.Validation.MixingVolumeTraceSubstance.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.323652989696711]