Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 0.0009131/0.0009131, allocations: 81.86 kB / 21.44 MB, free: 3.059 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 0.001095/0.001095, allocations: 168.8 kB / 24.84 MB, free: 9.254 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 0.973/0.973, allocations: 177.1 MB / 205.3 MB, free: 5.5 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 0.6156/0.6156, allocations: 115 MB / 376.8 MB, free: 7.527 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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11")
translateModel(IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11,tolerance=1e-07,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.373e-06/1.373e-06, allocations: 0 / 482.8 MB, free: 11.71 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.519e-05/1.656e-05, allocations: 3.078 kB / 482.8 MB, free: 11.71 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11): time 0.1314/0.1315, allocations: 137.9 MB / 0.6061 GB, free: 13.52 MB / 0.5261 GB
Notification: Performance of NFInst.instExpressions: time 0.02047/0.1519, allocations: 19.96 MB / 0.6256 GB, free: 9.496 MB / 0.5417 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00188/0.1538, allocations: 87.31 kB / 0.6257 GB, free: 9.41 MB / 0.5417 GB
Notification: Performance of NFTyping.typeComponents: time 0.001842/0.1557, allocations: 1.986 MB / 0.6276 GB, free: 7.418 MB / 0.5417 GB
Notification: Performance of NFTyping.typeBindings: time 0.002015/0.1577, allocations: 1.428 MB / 0.629 GB, free: 5.984 MB / 0.5417 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001043/0.1587, allocations: 0.5844 MB / 0.6296 GB, free: 5.398 MB / 0.5417 GB
Notification: Performance of NFFlatten.flatten: time 0.001549/0.1603, allocations: 2.031 MB / 0.6316 GB, free: 3.359 MB / 0.5417 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0009245/0.1612, allocations: 0.9814 MB / 0.6325 GB, free: 2.352 MB / 0.5417 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.001122/0.1623, allocations: 1.286 MB / 0.6338 GB, free: 1.062 MB / 0.5417 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.001026/0.1633, allocations: 1.402 MB / 0.6352 GB, free: 15.66 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001185/0.1635, allocations: 108 kB / 0.6353 GB, free: 15.55 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002401/0.1637, allocations: 159.8 kB / 0.6354 GB, free: 15.39 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005721/0.1643, allocations: 0.5428 MB / 0.636 GB, free: 14.85 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003066/0.1646, allocations: 466.2 kB / 0.6364 GB, free: 14.39 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.001051/0.1656, allocations: 1.323 MB / 0.6377 GB, free: 13.07 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 6.041e-06/0.1656, allocations: 8 kB / 0.6377 GB, free: 13.06 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 1.182e-06/0.1656, allocations: 0 / 0.6377 GB, free: 13.06 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 1.358e-05/0.1656, allocations: 0 / 0.6377 GB, free: 13.06 MB / 0.5573 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 0.002175/0.1678, allocations: 2.641 MB / 0.6403 GB, free: 10.36 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 3.285e-05/0.1678, allocations: 15.97 kB / 0.6403 GB, free: 10.35 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003124/0.1682, allocations: 327 kB / 0.6406 GB, free: 10.03 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009009/0.1691, allocations: 1.019 MB / 0.6416 GB, free: 8.945 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001043/0.1692, allocations: 125.4 kB / 0.6417 GB, free: 8.812 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.736e-05/0.1693, allocations: 91.98 kB / 0.6418 GB, free: 8.723 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006816/0.1699, allocations: 0.66 MB / 0.6425 GB, free: 8.008 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.046e-05/0.17, allocations: 7.938 kB / 0.6425 GB, free: 8 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.716e-05/0.17, allocations: 32 kB / 0.6425 GB, free: 7.969 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.508e-05/0.17, allocations: 16 kB / 0.6425 GB, free: 7.953 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007268/0.1707, allocations: 253.7 kB / 0.6427 GB, free: 7.707 MB / 0.5573 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002637/0.1734, allocations: 2.746 MB / 0.6454 GB, free: 4.895 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0005292/0.1739, allocations: 422.8 kB / 0.6458 GB, free: 4.477 MB / 0.5573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002422/0.1742, allocations: 194.2 kB / 0.646 GB, free: 4.285 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.377e-05/0.1742, allocations: 12.66 kB / 0.646 GB, free: 4.273 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003134/0.1745, allocations: 277.8 kB / 0.6463 GB, free: 3.984 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=79): time 2.675e-06/0.1745, allocations: 0 / 0.6463 GB, free: 3.984 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=79): time 0.002477/0.177, allocations: 1.386 MB / 0.6476 GB, free: 2.582 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.652e-05/0.177, allocations: 93.77 kB / 0.6477 GB, free: 2.473 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001691/0.1787, allocations: 2.151 MB / 0.6498 GB, free: 296 kB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 4.557e-05/0.1788, allocations: 45.7 kB / 0.6499 GB, free: 244 kB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.2615/0.4403, allocations: 1.122 MB / 0.651 GB, free: 42.52 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003567/0.4407, allocations: 276.2 kB / 0.6512 GB, free: 42.5 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000248/0.4409, allocations: 161.8 kB / 0.6514 GB, free: 42.48 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 8.683e-05/0.441, allocations: 0.5137 MB / 0.6519 GB, free: 42 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000261/0.4413, allocations: 98.27 kB / 0.652 GB, free: 42 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003407/0.4416, allocations: 332.8 kB / 0.6523 GB, free: 41.77 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005484/0.4422, allocations: 431.7 kB / 0.6527 GB, free: 41.56 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.971e-06/0.4422, allocations: 0.9062 kB / 0.6527 GB, free: 41.56 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=110) (initialization): time 0.001616/0.4438, allocations: 0.8555 MB / 0.6536 GB, free: 41.36 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 2.315e-05/0.4438, allocations: 6.75 kB / 0.6536 GB, free: 41.36 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.371e-05/0.4438, allocations: 4.984 kB / 0.6536 GB, free: 41.36 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0006478/0.4445, allocations: 226.5 kB / 0.6538 GB, free: 41.34 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003761/0.4448, allocations: 129.9 kB / 0.6539 GB, free: 41.34 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003419/0.4483, allocations: 3.373 MB / 0.6572 GB, free: 39.33 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005378/0.4488, allocations: 96.11 kB / 0.6573 GB, free: 39.3 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.411e-05/0.4488, allocations: 23.91 kB / 0.6573 GB, free: 39.3 MB / 0.5573 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,$whenCondition2,intGai.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,hysteresis.y,$PRE.hysteresis.y,assEqu.satisfied,$PRE.assEqu.satisfied,mean.y_last,$PRE.mean.y_last,not1.y,timer.entryTime,$PRE.timer.entryTime,thr.y,cha.u,$PRE.cha.u,$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 0.0003841/0.4492, allocations: 221.6 kB / 0.6575 GB, free: 39.14 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002179/0.4494, allocations: 241 kB / 0.6578 GB, free: 39.02 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001186/0.4506, allocations: 0.7957 MB / 0.6585 GB, free: 38.9 MB / 0.5573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.184e-06/0.4506, allocations: 9.281 kB / 0.6585 GB, free: 38.9 MB / 0.5573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.368e-06/0.4506, allocations: 0 / 0.6585 GB, free: 38.9 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.556e-06/0.4506, allocations: 4.141 kB / 0.6585 GB, free: 38.9 MB / 0.5573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002242/0.4529, allocations: 1.661 MB / 0.6602 GB, free: 38.55 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.617e-06/0.4529, allocations: 0.9062 kB / 0.6602 GB, free: 38.55 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000222/0.4531, allocations: 71.56 kB / 0.6602 GB, free: 38.55 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0005187/0.4536, allocations: 237.7 kB / 0.6605 GB, free: 38.52 MB / 0.5573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.848e-05/0.4537, allocations: 23.25 kB / 0.6605 GB, free: 38.52 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003399/0.4571, allocations: 5.243 MB / 0.6656 GB, free: 34.59 MB / 0.5573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.743e-06/0.4571, allocations: 1.031 kB / 0.6656 GB, free: 34.59 MB / 0.5573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001405/0.4585, allocations: 1.089 MB / 0.6667 GB, free: 34.2 MB / 0.5573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003163/0.4588, allocations: 247.8 kB / 0.6669 GB, free: 34.08 MB / 0.5573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001348/0.4589, allocations: 23.84 kB / 0.6669 GB, free: 34.07 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003009/0.4592, allocations: 39.06 kB / 0.667 GB, free: 34.07 MB / 0.5573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001943/0.4594, allocations: 101.3 kB / 0.6671 GB, free: 34.07 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.616e-05/0.4595, allocations: 24.86 kB / 0.6671 GB, free: 34.07 MB / 0.5573 GB
Notification: Performance of sorting global known variables: time 0.001144/0.4606, allocations: 1.23 MB / 0.6683 GB, free: 33.89 MB / 0.5573 GB
Notification: Performance of sort global known variables: time 1e-07/0.4606, allocations: 1.062 kB / 0.6683 GB, free: 33.89 MB / 0.5573 GB
Notification: Performance of remove unused functions: time 0.0009839/0.4616, allocations: 336 kB / 0.6686 GB, free: 33.86 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 5 (mean.x,assEqu.diff,conHeaCoo.I.y,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,thermalZoneTwoElements.extWallRC.thermCapExt[1].T)
 * Number of discrete variables: 21 (not1.y,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,cha.u,thr.y,timer.entryTime,mean.y_last,assEqu.nFai,assEqu.satisfied,hysteresis.y,setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,intGai.nextTimeEvent)
 * 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 0.001203/0.4628, allocations: 484.2 kB / 0.6691 GB, free: 33.75 MB / 0.5573 GB
Notification: Performance of simCode: created initialization part: time 0.001124/0.4639, allocations: 0.7357 MB / 0.6698 GB, free: 33.5 MB / 0.5573 GB
Notification: Performance of simCode: created event and clocks part: time 3.016e-06/0.4639, allocations: 1.094 kB / 0.6698 GB, free: 33.5 MB / 0.5573 GB
Notification: Performance of simCode: created simulation system equations: time 0.0007511/0.4647, allocations: 0.7383 MB / 0.6705 GB, free: 33.09 MB / 0.5573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001077/0.4658, allocations: 318.5 kB / 0.6708 GB, free: 33.06 MB / 0.5573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004466/0.4702, allocations: 3.203 MB / 0.6739 GB, free: 31.68 MB / 0.5573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004749/0.4707, allocations: 441.5 kB / 0.6744 GB, free: 31.59 MB / 0.5573 GB
Notification: Performance of simCode: alias equations: time 0.0003782/0.4711, allocations: 116.5 kB / 0.6745 GB, free: 31.56 MB / 0.5573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004584/0.4715, allocations: 273.4 kB / 0.6747 GB, free: 31.5 MB / 0.5573 GB
Notification: Performance of SimCode: time 1.313e-06/0.4715, allocations: 1 kB / 0.6747 GB, free: 31.5 MB / 0.5573 GB
Notification: Performance of Templates: time 0.03187/0.5034, allocations: 18.07 MB / 0.6924 GB, free: 29.71 MB / 0.5573 GB
"
[Timeout remaining time 659]
make -j1 -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; mkfifo IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe >> ../files/IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.sim & ./IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11 -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase11.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 5.53616891708225]