Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.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 0.0008732/0.0008732, allocations: 77.09 kB / 20.66 MB, free: 3.844 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 0.0009761/0.0009761, allocations: 169 kB / 24.06 MB, free: 456 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 0.9856/0.9856, allocations: 177.1 MB / 204.5 MB, free: 5.504 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:34:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Examples/PPD12/Structure.mo:531:21-535:42:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/package.mo): time 0.7807/0.7807, allocations: 154.9 MB / 415.9 MB, free: 252 kB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS master/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 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(IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime")
translateModel(IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.674e-06/1.674e-06, allocations: 0 / 0.5218 GB, free: 1.57 MB / 490.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.786e-05/2.954e-05, allocations: 2.312 kB / 0.5218 GB, free: 1.566 MB / 490.7 MB
Notification: Performance of NFInst.instantiate(IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime): time 0.002772/0.002801, allocations: 1.519 MB / 0.5233 GB, free: 60 kB / 490.7 MB
Notification: Performance of NFInst.instExpressions: time 0.0007962/0.003597, allocations: 0.6434 MB / 0.524 GB, free: 15.41 MB / 0.4948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 4.388e-05/0.003641, allocations: 0.8438 kB / 0.524 GB, free: 15.41 MB / 0.4948 GB
Notification: Performance of NFTyping.typeComponents: time 7.423e-05/0.003715, allocations: 11.92 kB / 0.524 GB, free: 15.4 MB / 0.4948 GB
Notification: Performance of NFTyping.typeBindings: time 7.326e-05/0.003789, allocations: 14.05 kB / 0.524 GB, free: 15.39 MB / 0.4948 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0007782/0.004567, allocations: 362.9 kB / 0.5243 GB, free: 15.04 MB / 0.4948 GB
Notification: Performance of NFFlatten.flatten: time 0.0002819/0.004849, allocations: 171.6 kB / 0.5245 GB, free: 14.87 MB / 0.4948 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.529e-05/0.004894, allocations: 5.062 kB / 0.5245 GB, free: 14.86 MB / 0.4948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001032/0.004997, allocations: 95.84 kB / 0.5246 GB, free: 14.77 MB / 0.4948 GB
Notification: Performance of NFSimplifyModel.simplify: time 6.926e-05/0.005066, allocations: 45.25 kB / 0.5246 GB, free: 14.73 MB / 0.4948 GB
Notification: Performance of NFPackage.collectConstants: time 2.473e-05/0.005091, allocations: 12 kB / 0.5246 GB, free: 14.71 MB / 0.4948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003437/0.005435, allocations: 275.5 kB / 0.5249 GB, free: 14.45 MB / 0.4948 GB
Notification: Performance of NFScalarize.scalarize: time 5.3e-05/0.005488, allocations: 44.67 kB / 0.525 GB, free: 14.4 MB / 0.4948 GB
Notification: Performance of NFVerifyModel.verify: time 5.099e-05/0.005539, allocations: 47.89 kB / 0.525 GB, free: 14.36 MB / 0.4948 GB
Notification: Performance of NFConvertDAE.convert: time 0.0003248/0.005864, allocations: 331.8 kB / 0.5253 GB, free: 14.03 MB / 0.4948 GB
Notification: Performance of FrontEnd - DAE generated: time 3.597e-06/0.005867, allocations: 0 / 0.5253 GB, free: 14.03 MB / 0.4948 GB
Notification: Performance of FrontEnd: time 9.52e-07/0.005868, allocations: 0 / 0.5253 GB, free: 14.03 MB / 0.4948 GB
Notification: Performance of Transformations before backend: time 4.499e-06/0.005873, allocations: 1 kB / 0.5253 GB, free: 14.03 MB / 0.4948 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 18
 * Number of variables: 18
Notification: Performance of Generate backend data structure: time 0.0004427/0.006315, allocations: 0.4924 MB / 0.5258 GB, free: 13.5 MB / 0.4948 GB
Notification: Performance of prepare preOptimizeDAE: time 3.133e-05/0.006347, allocations: 12.03 kB / 0.5258 GB, free: 13.49 MB / 0.4948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 4.52e-05/0.006392, allocations: 13.86 kB / 0.5258 GB, free: 13.48 MB / 0.4948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001469/0.006539, allocations: 162.7 kB / 0.526 GB, free: 13.29 MB / 0.4948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.13e-05/0.00655, allocations: 8.875 kB / 0.526 GB, free: 13.29 MB / 0.4948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 1.64e-05/0.006567, allocations: 8.375 kB / 0.526 GB, free: 13.28 MB / 0.4948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001051/0.006672, allocations: 89.94 kB / 0.5261 GB, free: 13.17 MB / 0.4948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.375e-06/0.00668, allocations: 192 / 0.5261 GB, free: 13.17 MB / 0.4948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.608e-06/0.00669, allocations: 5 kB / 0.5261 GB, free: 13.17 MB / 0.4948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.033e-06/0.006697, allocations: 5.078 kB / 0.5261 GB, free: 13.16 MB / 0.4948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 3.862e-05/0.006735, allocations: 31.84 kB / 0.5261 GB, free: 13.13 MB / 0.4948 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000152/0.006887, allocations: 165.7 kB / 0.5263 GB, free: 12.94 MB / 0.4948 GB
Notification: Performance of preOpt comSubExp (simulation): time 8.75e-05/0.006975, allocations: 105.2 kB / 0.5264 GB, free: 12.8 MB / 0.4948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 4.181e-05/0.007017, allocations: 53.12 kB / 0.5264 GB, free: 12.73 MB / 0.4948 GB
Notification: Performance of preOpt evalFunc (simulation): time 6.663e-06/0.007023, allocations: 4 kB / 0.5264 GB, free: 12.73 MB / 0.4948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001287/0.007152, allocations: 131.8 kB / 0.5266 GB, free: 12.58 MB / 0.4948 GB
Notification: Performance of pre-optimization done (n=21): time 9.12e-07/0.007153, allocations: 0 / 0.5266 GB, free: 12.58 MB / 0.4948 GB
Notification: Performance of matching and sorting (n=21): time 0.000222/0.007375, allocations: 159.8 kB / 0.5267 GB, free: 12.42 MB / 0.4948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.319e-05/0.007428, allocations: 126.7 kB / 0.5268 GB, free: 12.27 MB / 0.4948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.403e-05/0.007512, allocations: 195.4 kB / 0.527 GB, free: 12.06 MB / 0.4948 GB
Notification: Performance of collectPreVariables (initialization): time 2.287e-05/0.007535, allocations: 33.7 kB / 0.527 GB, free: 12.02 MB / 0.4948 GB
Notification: Performance of collectInitialEqns (initialization): time 5.252e-05/0.007588, allocations: 151.3 kB / 0.5272 GB, free: 11.87 MB / 0.4948 GB
Notification: Performance of collectInitialBindings (initialization): time 4.628e-05/0.007634, allocations: 60.31 kB / 0.5272 GB, free: 11.81 MB / 0.4948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 5.7e-05/0.007691, allocations: 63.31 kB / 0.5273 GB, free: 11.74 MB / 0.4948 GB
Notification: Performance of setup shared object (initialization): time 0.0001164/0.007807, allocations: 0.5014 MB / 0.5278 GB, free: 11.23 MB / 0.4948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 3.06e-05/0.007838, allocations: 20.27 kB / 0.5278 GB, free: 11.21 MB / 0.4948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001811/0.008019, allocations: 450.8 kB / 0.5282 GB, free: 10.64 MB / 0.4948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 8.885e-05/0.008108, allocations: 99.31 kB / 0.5283 GB, free: 10.54 MB / 0.4948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.184e-06/0.00811, allocations: 0 / 0.5283 GB, free: 10.54 MB / 0.4948 GB
Notification: Performance of matching and sorting (n=33) (initialization): time 0.0001441/0.008254, allocations: 145.5 kB / 0.5285 GB, free: 10.39 MB / 0.4948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.138e-05/0.008266, allocations: 5.156 kB / 0.5285 GB, free: 10.38 MB / 0.4948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.832e-05/0.008284, allocations: 7.984 kB / 0.5285 GB, free: 10.38 MB / 0.4948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 9.327e-06/0.008293, allocations: 4 kB / 0.5285 GB, free: 10.37 MB / 0.4948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.781e-05/0.008371, allocations: 35.17 kB / 0.5285 GB, free: 10.34 MB / 0.4948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.699e-06/0.008376, allocations: 7.938 kB / 0.5285 GB, free: 10.33 MB / 0.4948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.825e-05/0.008474, allocations: 27.88 kB / 0.5286 GB, free: 10.3 MB / 0.4948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.564e-06/0.008482, allocations: 4 kB / 0.5286 GB, free: 10.3 MB / 0.4948 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 27 (occSchDay2.tNext,$PRE.occSchDay2.tNext,occSchDay2.tNonOcc,$PRE.occSchDay2.tNonOcc,occSchDay2.tOcc,$PRE.occSchDay2.tOcc,occSchDay2.occupied,$PRE.occSchDay2.occupied,$whenCondition3,occSchDay1.tNext,$PRE.occSchDay1.tNext,occSchDay1.tNonOcc,$PRE.occSchDay1.tNonOcc,occSchDay1.tOcc,$PRE.occSchDay1.tOcc,occSchDay1.occupied,$PRE.occSchDay1.occupied,$whenCondition2,occSchDay.tNext,$PRE.occSchDay.tNext,occSchDay.tNonOcc,$PRE.occSchDay.tNonOcc,occSchDay.tOcc,$PRE.occSchDay.tOcc,occSchDay.occupied,$PRE.occSchDay.occupied,$whenCondition1)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (24):
 * Single equations (assignments): 21
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 3
 * 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 8.628e-05/0.008568, allocations: 179.3 kB / 0.5287 GB, free: 10.12 MB / 0.4948 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 1.898e-05/0.008587, allocations: 19.89 kB / 0.5288 GB, free: 10.1 MB / 0.4948 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.449e-05/0.008611, allocations: 23.8 kB / 0.5288 GB, free: 10.08 MB / 0.4948 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.264e-06/0.008614, allocations: 0 / 0.5288 GB, free: 10.08 MB / 0.4948 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.056e-06/0.008617, allocations: 3.938 kB / 0.5288 GB, free: 10.07 MB / 0.4948 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.925e-06/0.008619, allocations: 4 kB / 0.5288 GB, free: 10.07 MB / 0.4948 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 9.419e-05/0.008714, allocations: 129.1 kB / 0.5289 GB, free: 9.918 MB / 0.4948 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.954e-06/0.008716, allocations: 4 kB / 0.5289 GB, free: 9.914 MB / 0.4948 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.223e-05/0.008738, allocations: 8 kB / 0.5289 GB, free: 9.906 MB / 0.4948 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.162e-06/0.008739, allocations: 0 / 0.5289 GB, free: 9.906 MB / 0.4948 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.134e-06/0.008746, allocations: 8 kB / 0.5289 GB, free: 9.898 MB / 0.4948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.212e-06/0.008747, allocations: 1.5 kB / 0.5289 GB, free: 9.898 MB / 0.4948 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.934e-06/0.008749, allocations: 3.938 kB / 0.5289 GB, free: 9.895 MB / 0.4948 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001488/0.008898, allocations: 185.1 kB / 0.5291 GB, free: 9.684 MB / 0.4948 GB
Notification: Performance of postOpt removeConstants (simulation): time 1.297e-05/0.008911, allocations: 19.78 kB / 0.5291 GB, free: 9.664 MB / 0.4948 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.698e-05/0.008928, allocations: 9.406 kB / 0.5291 GB, free: 9.656 MB / 0.4948 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 2.577e-05/0.008954, allocations: 7.984 kB / 0.5291 GB, free: 9.648 MB / 0.4948 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 3.178e-05/0.008986, allocations: 11.98 kB / 0.5292 GB, free: 9.637 MB / 0.4948 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.952e-06/0.008992, allocations: 1.281 kB / 0.5292 GB, free: 9.637 MB / 0.4948 GB
Notification: Performance of sorting global known variables: time 4.524e-05/0.009037, allocations: 141.7 kB / 0.5293 GB, free: 9.5 MB / 0.4948 GB
Notification: Performance of sort global known variables: time 5e-08/0.009037, allocations: 0 / 0.5293 GB, free: 9.5 MB / 0.4948 GB
Notification: Performance of remove unused functions: time 0.0002548/0.009292, allocations: 103.8 kB / 0.5294 GB, free: 9.398 MB / 0.4948 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 15 ($whenCondition3,occSchDay2.occupied,occSchDay2.tOcc,occSchDay2.tNonOcc,occSchDay2.tNext,$whenCondition2,occSchDay1.occupied,occSchDay1.tOcc,occSchDay1.tNonOcc,occSchDay1.tNext,$whenCondition1,occSchDay.occupied,occSchDay.tOcc,occSchDay.tNonOcc,occSchDay.tNext)
 * Number of discrete states: 3 (occSchDay.tNext,occSchDay1.tNext,occSchDay2.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (12):
 * Single equations (assignments): 9
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 3
 * 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 0.0002193/0.009511, allocations: 219.6 kB / 0.5296 GB, free: 9.18 MB / 0.4948 GB
Notification: Performance of simCode: created initialization part: time 0.0001815/0.009692, allocations: 177.7 kB / 0.5298 GB, free: 8.984 MB / 0.4948 GB
Notification: Performance of simCode: created event and clocks part: time 1.794e-06/0.009694, allocations: 6.812 kB / 0.5298 GB, free: 8.98 MB / 0.4948 GB
Notification: Performance of simCode: created simulation system equations: time 4e-05/0.009734, allocations: 39.61 kB / 0.5298 GB, free: 8.938 MB / 0.4948 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001164/0.009851, allocations: 15.92 kB / 0.5298 GB, free: 8.922 MB / 0.4948 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0002915/0.01014, allocations: 237.6 kB / 0.5301 GB, free: 8.652 MB / 0.4948 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 3.746e-05/0.01018, allocations: 75.77 kB / 0.5301 GB, free: 8.559 MB / 0.4948 GB
Notification: Performance of simCode: alias equations: time 3.69e-05/0.01022, allocations: 12.97 kB / 0.5301 GB, free: 8.543 MB / 0.4948 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 8.608e-05/0.0103, allocations: 94.19 kB / 0.5302 GB, free: 8.449 MB / 0.4948 GB
Notification: Performance of SimCode: time 5.61e-07/0.0103, allocations: 6.438 kB / 0.5302 GB, free: 8.445 MB / 0.4948 GB
Notification: Performance of Templates: time 0.004576/0.01488, allocations: 3.555 MB / 0.5337 GB, free: 5.121 MB / 0.4948 GB
"
[Timeout remaining time 660]
make -j1 -f IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.makefile [Timeout 660]
(rm -f IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.pipe ; mkfifo IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.pipe >> ../files/IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.sim & ./IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime -abortSlowSimulation -alarm=240  -lv LOG_STATS > IDEAS_dev_IDEAS.Controls.SetPoints.Validation.OccupancySchedulePositiveStartTime.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 3.9761551688425243]