Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.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 0.001361/0.001361, 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 0.001741/0.001741, 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 1.07/1.07, allocations: 177.1 MB / 204.6 MB, free: 5.48 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 2.024/2.024, allocations: 389.6 MB / 0.6354 GB, free: 12.3 MB / 0.6042 GB
"
[Timeout remaining time 177]
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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11")
translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.733e-06/1.733e-06, allocations: 0 / 0.7752 GB, free: 5.383 MB / 0.7292 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.638e-05/1.811e-05, allocations: 7.328 kB / 0.7752 GB, free: 5.379 MB / 0.7292 GB
Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11): time 0.1291/0.1292, allocations: 140 MB / 0.9119 GB, free: 9.07 MB / 0.8698 GB
Notification: Performance of NFInst.instExpressions: time 0.02417/0.1533, allocations: 20.25 MB / 0.9317 GB, free: 4.754 MB / 0.8855 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002541/0.1559, allocations: 83.38 kB / 0.9317 GB, free: 4.672 MB / 0.8855 GB
Notification: Performance of NFTyping.typeComponents: time 0.001961/0.1578, allocations: 1.971 MB / 0.9337 GB, free: 2.695 MB / 0.8855 GB
Notification: Performance of NFTyping.typeBindings: time 0.00203/0.1599, allocations: 1.416 MB / 0.935 GB, free: 1.273 MB / 0.8855 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001259/0.1611, allocations: 0.5844 MB / 0.9356 GB, free: 0.6875 MB / 0.8855 GB
Notification: Performance of NFFlatten.flatten: time 0.002331/0.1634, allocations: 2.031 MB / 0.9376 GB, free: 14.65 MB / 0.9011 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001557/0.165, allocations: 0.9736 MB / 0.9386 GB, free: 13.64 MB / 0.9011 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001903/0.1669, allocations: 1.267 MB / 0.9398 GB, free: 12.38 MB / 0.9011 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001396/0.1683, allocations: 1.211 MB / 0.941 GB, free: 11.16 MB / 0.9011 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002007/0.1685, allocations: 108 kB / 0.9411 GB, free: 11.05 MB / 0.9011 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003852/0.1689, allocations: 163.9 kB / 0.9412 GB, free: 10.89 MB / 0.9011 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005093/0.1694, allocations: 0.5427 MB / 0.9418 GB, free: 10.35 MB / 0.9011 GB
Notification: Performance of NFVerifyModel.verify: time 0.0004639/0.1699, allocations: 470.3 kB / 0.9422 GB, free: 9.891 MB / 0.9011 GB
Notification: Performance of NFConvertDAE.convert: time 0.001455/0.1713, allocations: 1.331 MB / 0.9435 GB, free: 8.555 MB / 0.9011 GB
Notification: Performance of FrontEnd - DAE generated: time 4.559e-06/0.1713, allocations: 0 / 0.9435 GB, free: 8.555 MB / 0.9011 GB
Notification: Performance of FrontEnd: time 2.014e-06/0.1713, allocations: 0 / 0.9435 GB, free: 8.555 MB / 0.9011 GB
Notification: Performance of Transformations before backend: time 6.176e-05/0.1714, allocations: 0 / 0.9435 GB, free: 8.555 MB / 0.9011 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 196
 * Number of variables: 196
Notification: Performance of Generate backend data structure: time 0.00292/0.1743, allocations: 2.322 MB / 0.9458 GB, free: 6.191 MB / 0.9011 GB
Notification: Performance of prepare preOptimizeDAE: time 4.292e-05/0.1743, allocations: 9.344 kB / 0.9458 GB, free: 6.184 MB / 0.9011 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003378/0.1747, allocations: 216.7 kB / 0.946 GB, free: 5.973 MB / 0.9011 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001088/0.1758, allocations: 0.923 MB / 0.9469 GB, free: 4.996 MB / 0.9011 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001113/0.1759, allocations: 125.4 kB / 0.947 GB, free: 4.859 MB / 0.9011 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.694e-05/0.176, allocations: 87.97 kB / 0.9471 GB, free: 4.773 MB / 0.9011 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000727/0.1767, allocations: 0.6562 MB / 0.9477 GB, free: 4.074 MB / 0.9011 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.338e-05/0.1767, allocations: 7.984 kB / 0.9477 GB, free: 4.066 MB / 0.9011 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.225e-05/0.1768, allocations: 28 kB / 0.9478 GB, free: 4.039 MB / 0.9011 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.524e-05/0.1768, allocations: 20 kB / 0.9478 GB, free: 4.02 MB / 0.9011 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003529/0.1771, allocations: 240.6 kB / 0.948 GB, free: 3.781 MB / 0.9011 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002686/0.1798, allocations: 1.95 MB / 0.9499 GB, free: 1.789 MB / 0.9011 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0005446/0.1804, allocations: 427 kB / 0.9503 GB, free: 1.363 MB / 0.9011 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002308/0.1806, allocations: 175.3 kB / 0.9505 GB, free: 1.191 MB / 0.9011 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.344e-05/0.1806, allocations: 12.66 kB / 0.9505 GB, free: 1.18 MB / 0.9011 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003629/0.181, allocations: 278.9 kB / 0.9508 GB, free: 0.8906 MB / 0.9011 GB
Notification: Performance of pre-optimization done (n=79): time 2.725e-06/0.181, allocations: 0 / 0.9508 GB, free: 0.8906 MB / 0.9011 GB
Notification: Performance of matching and sorting (n=79): time 0.002716/0.1837, allocations: 1.181 MB / 0.9519 GB, free: 15.7 MB / 0.9167 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.433e-05/0.1838, allocations: 89.77 kB / 0.952 GB, free: 15.59 MB / 0.9167 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001584/0.1853, allocations: 1.993 MB / 0.954 GB, free: 13.57 MB / 0.9167 GB
Notification: Performance of collectPreVariables (initialization): time 5.447e-05/0.1854, allocations: 49.7 kB / 0.954 GB, free: 13.51 MB / 0.9167 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003111/0.1857, allocations: 0.5078 MB / 0.9545 GB, free: 12.99 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001762/0.1859, allocations: 273.7 kB / 0.9548 GB, free: 12.72 MB / 0.9167 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001658/0.1861, allocations: 154.6 kB / 0.9549 GB, free: 12.56 MB / 0.9167 GB
Notification: Performance of setup shared object (initialization): time 0.0001085/0.1862, allocations: 345.8 kB / 0.9552 GB, free: 12.22 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001403/0.1863, allocations: 84.8 kB / 0.9553 GB, free: 12.14 MB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002273/0.1865, allocations: 267.1 kB / 0.9556 GB, free: 11.82 MB / 0.9167 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003933/0.1869, allocations: 405.3 kB / 0.956 GB, free: 11.38 MB / 0.9167 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.677e-06/0.1869, allocations: 0 / 0.956 GB, free: 11.38 MB / 0.9167 GB
Notification: Performance of matching and sorting (n=110) (initialization): time 0.0007421/0.1877, allocations: 0.5882 MB / 0.9565 GB, free: 10.77 MB / 0.9167 GB
Notification: Performance of prepare postOptimizeDAE: time 1.917e-05/0.1877, allocations: 7.938 kB / 0.9565 GB, free: 10.77 MB / 0.9167 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.267e-06/0.1877, allocations: 7.984 kB / 0.9566 GB, free: 10.76 MB / 0.9167 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0004365/0.1881, allocations: 213.8 kB / 0.9568 GB, free: 10.55 MB / 0.9167 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002785/0.1884, allocations: 135.7 kB / 0.9569 GB, free: 10.42 MB / 0.9167 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003064/0.1915, allocations: 2.651 MB / 0.9595 GB, free: 7.684 MB / 0.9167 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004474/0.1919, allocations: 91.48 kB / 0.9596 GB, free: 7.594 MB / 0.9167 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.586e-05/0.192, allocations: 20 kB / 0.9596 GB, free: 7.574 MB / 0.9167 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 16
 * Number of states: 0 ()
 * Number of discrete variables: 34 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.setTemp.nextTimeEvent,$whenCondition4,$whenCondition2,cha.u,$PRE.cha.u,thr.y,timer.entryTime,$PRE.timer.entryTime,not1.y,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,hysteresis.y,$PRE.hysteresis.y,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent,$whenCondition1,$whenCondition3,conHeaCoo.I.trigger_internal)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (78):
 * Single equations (assignments): 77
 * 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
   {(2,31)}
Notification: Performance of prepare postOptimizeDAE: time 0.0003518/0.1923, allocations: 176.5 kB / 0.9598 GB, free: 7.391 MB / 0.9167 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001451/0.1925, allocations: 139.8 kB / 0.9599 GB, free: 7.254 MB / 0.9167 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008119/0.1933, allocations: 0.6268 MB / 0.9605 GB, free: 6.609 MB / 0.9167 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.754e-06/0.1933, allocations: 8 kB / 0.9605 GB, free: 6.602 MB / 0.9167 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.596e-06/0.1933, allocations: 0 / 0.9605 GB, free: 6.602 MB / 0.9167 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.936e-06/0.1933, allocations: 3.984 kB / 0.9605 GB, free: 6.598 MB / 0.9167 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001755/0.195, allocations: 1.26 MB / 0.9617 GB, free: 5.305 MB / 0.9167 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.537e-06/0.195, allocations: 0 / 0.9617 GB, free: 5.305 MB / 0.9167 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002263/0.1953, allocations: 87.88 kB / 0.9618 GB, free: 5.219 MB / 0.9167 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0005714/0.1958, allocations: 339.2 kB / 0.9621 GB, free: 4.879 MB / 0.9167 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.967e-05/0.1959, allocations: 27.92 kB / 0.9622 GB, free: 4.852 MB / 0.9167 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003345/0.1992, allocations: 3.896 MB / 0.966 GB, free: 0.7734 MB / 0.9167 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.144e-06/0.1992, allocations: 0 / 0.966 GB, free: 0.7734 MB / 0.9167 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009742/0.2002, allocations: 0.8566 MB / 0.9668 GB, free: 15.89 MB / 0.9323 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002568/0.2005, allocations: 202.4 kB / 0.967 GB, free: 15.69 MB / 0.9323 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000102/0.2006, allocations: 24 kB / 0.967 GB, free: 15.67 MB / 0.9323 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002055/0.2008, allocations: 35.97 kB / 0.9671 GB, free: 15.63 MB / 0.9323 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001908/0.201, allocations: 104.7 kB / 0.9672 GB, free: 15.53 MB / 0.9323 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.236e-05/0.201, allocations: 23.98 kB / 0.9672 GB, free: 15.51 MB / 0.9323 GB
Notification: Performance of sorting global known variables: time 0.0008691/0.2019, allocations: 1.025 MB / 0.9682 GB, free: 14.46 MB / 0.9323 GB
Notification: Performance of sort global known variables: time 8e-08/0.2019, allocations: 4 kB / 0.9682 GB, free: 14.46 MB / 0.9323 GB
Notification: Performance of remove unused functions: time 0.0007853/0.2027, allocations: 331.5 kB / 0.9685 GB, free: 14.14 MB / 0.9323 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: 21 (not1.y,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,hysteresis.y,assEqu.satisfied,assEqu.nFai,mean.y_last,timer.entryTime,thr.y,cha.u)
 * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled,hysteresis.y,cha.u)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (52):
 * Single equations (assignments): 41
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 9
 * 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
   {(3,27)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001407/0.2041, allocations: 0.6082 MB / 0.9691 GB, free: 13.8 MB / 0.9323 GB
Notification: Performance of simCode: created initialization part: time 0.0009418/0.205, allocations: 0.6519 MB / 0.9697 GB, free: 13.13 MB / 0.9323 GB
Notification: Performance of simCode: created event and clocks part: time 2.422e-05/0.205, allocations: 20 kB / 0.9698 GB, free: 13.11 MB / 0.9323 GB
Notification: Performance of simCode: created simulation system equations: time 0.0006193/0.2057, allocations: 0.6021 MB / 0.9703 GB, free: 12.48 MB / 0.9323 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007515/0.2064, allocations: 306.4 kB / 0.9706 GB, free: 12.19 MB / 0.9323 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004103/0.2105, allocations: 3.198 MB / 0.9738 GB, free: 8.938 MB / 0.9323 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004173/0.2109, allocations: 444.2 kB / 0.9742 GB, free: 8.48 MB / 0.9323 GB
Notification: Performance of simCode: alias equations: time 0.0003263/0.2113, allocations: 102.9 kB / 0.9743 GB, free: 8.375 MB / 0.9323 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003641/0.2116, allocations: 249.1 kB / 0.9745 GB, free: 8.129 MB / 0.9323 GB
Notification: Performance of SimCode: time 1.353e-06/0.2116, allocations: 4 kB / 0.9745 GB, free: 8.125 MB / 0.9323 GB
Notification: Performance of Templates: time 0.02676/0.2384, allocations: 17.64 MB / 0.9917 GB, free: 6.809 MB / 0.948 GB
"
[Timeout remaining time 300]
make -j1 -f Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.makefile [Timeout 300]
(rm -f Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; mkfifo Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; head -c 1048576 < Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe >> ../files/Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.sim & ./Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11 -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > Buildings_13_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 6.38467640709132]