Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.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 0.0008628/0.0008628, allocations: 93.06 kB / 19.65 MB, free: 276 kB / 13.93 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 0.0009079/0.0009079, allocations: 165 kB / 23.02 MB, free: 1.547 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 0.8847/0.8847, allocations: 177.1 MB / 203.4 MB, free: 5.652 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.00253/0.00253, allocations: 238.8 kB / 260.2 MB, free: 12.84 MB / 250.7 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 0.6792/0.6792, allocations: 138.4 MB / 455.2 MB, free: 1.527 MB / 362.7 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 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(BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle")
translateModel(BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.613e-06/1.613e-06, allocations: 0 / 0.5551 GB, free: 0.543 MB / 474.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.929e-05/2.09e-05, allocations: 2.312 kB / 0.5551 GB, free: 0.5391 MB / 474.7 MB
Notification: Performance of NFInst.instantiate(BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle): time 0.004728/0.004749, allocations: 4.812 MB / 0.5598 GB, free: 11.71 MB / 490.7 MB
Notification: Performance of NFInst.instExpressions: time 0.2874/0.2921, allocations: 146.6 MB / 0.7029 GB, free: 5.398 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0006054/0.2927, allocations: 23.81 kB / 0.7029 GB, free: 5.375 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 0.000461/0.2932, allocations: 202.1 kB / 0.7031 GB, free: 5.176 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 0.001094/0.2943, allocations: 0.5907 MB / 0.7037 GB, free: 4.598 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001129/0.2954, allocations: 0.8692 MB / 0.7046 GB, free: 3.754 MB / 0.5105 GB
Notification: Performance of NFFlatten.flatten: time 0.0007907/0.2962, allocations: 1.487 MB / 0.706 GB, free: 2.262 MB / 0.5105 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0004306/0.2966, allocations: 405.8 kB / 0.7064 GB, free: 1.844 MB / 0.5105 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0005514/0.2972, allocations: 0.7446 MB / 0.7071 GB, free: 1.098 MB / 0.5105 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003036/0.2975, allocations: 418.8 kB / 0.7075 GB, free: 0.6875 MB / 0.5105 GB
Notification: Performance of NFPackage.collectConstants: time 9.684e-05/0.2976, allocations: 120 kB / 0.7076 GB, free: 0.5703 MB / 0.5105 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0004821/0.298, allocations: 0.4936 MB / 0.7081 GB, free: 84 kB / 0.5105 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001983/0.2982, allocations: 311.1 kB / 0.7084 GB, free: 15.78 MB / 0.5261 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002596/0.2985, allocations: 399 kB / 0.7088 GB, free: 15.39 MB / 0.5261 GB
Notification: Performance of NFConvertDAE.convert: time 0.001085/0.2996, allocations: 1.288 MB / 0.7101 GB, free: 14.09 MB / 0.5261 GB
Notification: Performance of FrontEnd - DAE generated: time 4.648e-06/0.2996, allocations: 0 / 0.7101 GB, free: 14.09 MB / 0.5261 GB
Notification: Performance of FrontEnd: time 1.122e-06/0.2996, allocations: 0 / 0.7101 GB, free: 14.09 MB / 0.5261 GB
Notification: Performance of Transformations before backend: time 1.238e-05/0.2996, allocations: 0 / 0.7101 GB, free: 14.09 MB / 0.5261 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 217
 * Number of variables: 217
Notification: Performance of Generate backend data structure: time 0.001612/0.3012, allocations: 1.531 MB / 0.7116 GB, free: 12.52 MB / 0.5261 GB
Notification: Performance of prepare preOptimizeDAE: time 3.155e-05/0.3013, allocations: 8.75 kB / 0.7116 GB, free: 12.51 MB / 0.5261 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009222/0.3022, allocations: 356 kB / 0.7119 GB, free: 12.16 MB / 0.5261 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007426/0.3029, allocations: 0.7208 MB / 0.7126 GB, free: 11.41 MB / 0.5261 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.227e-05/0.303, allocations: 70.55 kB / 0.7127 GB, free: 11.35 MB / 0.5261 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001955/0.3032, allocations: 87.94 kB / 0.7128 GB, free: 11.26 MB / 0.5261 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009106/0.3041, allocations: 1.017 MB / 0.7137 GB, free: 10.12 MB / 0.5261 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.756e-05/0.3041, allocations: 0 / 0.7137 GB, free: 10.12 MB / 0.5261 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.35e-05/0.3041, allocations: 40 kB / 0.7138 GB, free: 10.09 MB / 0.5261 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.62e-05/0.3042, allocations: 20 kB / 0.7138 GB, free: 10.07 MB / 0.5261 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008541/0.305, allocations: 0.8036 MB / 0.7146 GB, free: 9.262 MB / 0.5261 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002347/0.3074, allocations: 2.24 MB / 0.7168 GB, free: 6.965 MB / 0.5261 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0007334/0.3081, allocations: 0.5034 MB / 0.7173 GB, free: 6.461 MB / 0.5261 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002252/0.3083, allocations: 161.6 kB / 0.7174 GB, free: 6.297 MB / 0.5261 GB
Notification: Performance of preOpt evalFunc (simulation): time 5.256e-05/0.3084, allocations: 36.56 kB / 0.7175 GB, free: 6.258 MB / 0.5261 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004645/0.3088, allocations: 0.5041 MB / 0.718 GB, free: 5.711 MB / 0.5261 GB
Notification: Performance of pre-optimization done (n=84): time 1.813e-06/0.3088, allocations: 0 / 0.718 GB, free: 5.711 MB / 0.5261 GB
Notification: Performance of matching and sorting (n=84): time 0.001528/0.3104, allocations: 0.843 MB / 0.7188 GB, free: 4.855 MB / 0.5261 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.449e-05/0.3104, allocations: 204.8 kB / 0.719 GB, free: 4.613 MB / 0.5261 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004472/0.3109, allocations: 0.5854 MB / 0.7195 GB, free: 4.016 MB / 0.5261 GB
Notification: Performance of collectPreVariables (initialization): time 4.488e-05/0.3109, allocations: 45.7 kB / 0.7196 GB, free: 3.965 MB / 0.5261 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002081/0.3111, allocations: 455.8 kB / 0.72 GB, free: 3.512 MB / 0.5261 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001411/0.3113, allocations: 285.6 kB / 0.7203 GB, free: 3.23 MB / 0.5261 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001641/0.3114, allocations: 172.2 kB / 0.7205 GB, free: 3.055 MB / 0.5261 GB
Notification: Performance of setup shared object (initialization): time 0.000149/0.3116, allocations: 0.5586 MB / 0.721 GB, free: 2.484 MB / 0.5261 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000227/0.3118, allocations: 137.9 kB / 0.7211 GB, free: 2.348 MB / 0.5261 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003186/0.3121, allocations: 381.8 kB / 0.7215 GB, free: 1.926 MB / 0.5261 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0004931/0.3126, allocations: 386.6 kB / 0.7219 GB, free: 1.531 MB / 0.5261 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.737e-06/0.3126, allocations: 3.938 kB / 0.7219 GB, free: 1.527 MB / 0.5261 GB
Notification: Performance of matching and sorting (n=101) (initialization): time 0.0009507/0.3136, allocations: 0.6567 MB / 0.7225 GB, free: 0.8594 MB / 0.5261 GB
Notification: Performance of prepare postOptimizeDAE: time 1.291e-05/0.3136, allocations: 4 kB / 0.7225 GB, free: 0.8555 MB / 0.5261 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.32e-06/0.3136, allocations: 0 / 0.7225 GB, free: 0.8555 MB / 0.5261 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.000452/0.314, allocations: 131.6 kB / 0.7226 GB, free: 0.7227 MB / 0.5261 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003531/0.3144, allocations: 163.8 kB / 0.7228 GB, free: 0.5625 MB / 0.5261 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001421/0.3158, allocations: 1.902 MB / 0.7247 GB, free: 14.53 MB / 0.5417 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002751/0.3161, allocations: 79.52 kB / 0.7247 GB, free: 14.45 MB / 0.5417 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.43e-05/0.3161, allocations: 36.8 kB / 0.7248 GB, free: 14.41 MB / 0.5417 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * Number of states: 0 ()
 * Number of discrete variables: 20 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,decAng.tNext,$PRE.decAng.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (99):
 * Single equations (assignments): 98
 * 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
   {(1,2)}
Notification: Performance of prepare postOptimizeDAE: time 0.0001846/0.3163, allocations: 210.5 kB / 0.725 GB, free: 14.2 MB / 0.5417 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001202/0.3164, allocations: 111.5 kB / 0.7251 GB, free: 14.09 MB / 0.5417 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001195/0.3176, allocations: 0.8815 MB / 0.7259 GB, free: 13.2 MB / 0.5417 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.461e-06/0.3176, allocations: 12 kB / 0.7259 GB, free: 13.19 MB / 0.5417 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.946e-06/0.3176, allocations: 7.562 kB / 0.726 GB, free: 13.19 MB / 0.5417 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.967e-06/0.3177, allocations: 7.969 kB / 0.726 GB, free: 13.18 MB / 0.5417 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001633/0.3193, allocations: 1.497 MB / 0.7274 GB, free: 11.64 MB / 0.5417 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.796e-06/0.3193, allocations: 4 kB / 0.7274 GB, free: 11.63 MB / 0.5417 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003075/0.3196, allocations: 159.6 kB / 0.7276 GB, free: 11.48 MB / 0.5417 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0003377/0.3199, allocations: 115.6 kB / 0.7277 GB, free: 11.36 MB / 0.5417 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.87e-05/0.32, allocations: 31.92 kB / 0.7277 GB, free: 11.33 MB / 0.5417 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001006/0.321, allocations: 1.918 MB / 0.7296 GB, free: 9.285 MB / 0.5417 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.02e-07/0.321, allocations: 0 / 0.7296 GB, free: 9.285 MB / 0.5417 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001235/0.3222, allocations: 0.8962 MB / 0.7305 GB, free: 8.367 MB / 0.5417 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002398/0.3225, allocations: 211 kB / 0.7307 GB, free: 8.16 MB / 0.5417 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.387e-05/0.3225, allocations: 20 kB / 0.7307 GB, free: 8.141 MB / 0.5417 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002695/0.3228, allocations: 47.97 kB / 0.7307 GB, free: 8.094 MB / 0.5417 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001021/0.3229, allocations: 84.78 kB / 0.7308 GB, free: 8.008 MB / 0.5417 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.775e-05/0.3229, allocations: 41.47 kB / 0.7309 GB, free: 7.969 MB / 0.5417 GB
Notification: Performance of sorting global known variables: time 0.0002868/0.3232, allocations: 399 kB / 0.7312 GB, free: 7.586 MB / 0.5417 GB
Notification: Performance of sort global known variables: time 8.1e-08/0.3232, allocations: 0 / 0.7312 GB, free: 7.586 MB / 0.5417 GB
Notification: Performance of remove unused functions: time 0.0004981/0.3237, allocations: 343.1 kB / 0.7316 GB, free: 7.25 MB / 0.5417 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 12 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,decAng.tNext,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext)
 * Number of discrete states: 6 (decAng.tNext,weaDat.locTim.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (99):
 * Single equations (assignments): 92
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 6
 * 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
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001074/0.3248, allocations: 0.6292 MB / 0.7322 GB, free: 6.867 MB / 0.5417 GB
Notification: Performance of simCode: created initialization part: time 0.0008172/0.3256, allocations: 0.6673 MB / 0.7328 GB, free: 6.184 MB / 0.5417 GB
Notification: Performance of simCode: created event and clocks part: time 1.483e-06/0.3256, allocations: 0 / 0.7328 GB, free: 6.184 MB / 0.5417 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004436/0.3261, allocations: 489 kB / 0.7333 GB, free: 5.688 MB / 0.5417 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000681/0.3267, allocations: 326.7 kB / 0.7336 GB, free: 5.406 MB / 0.5417 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001967/0.3287, allocations: 1.571 MB / 0.7351 GB, free: 3.797 MB / 0.5417 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000118/0.3288, allocations: 203.9 kB / 0.7353 GB, free: 3.574 MB / 0.5417 GB
Notification: Performance of simCode: alias equations: time 0.0004002/0.3292, allocations: 254.6 kB / 0.7356 GB, free: 3.32 MB / 0.5417 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001886/0.3294, allocations: 112.4 kB / 0.7357 GB, free: 3.211 MB / 0.5417 GB
Notification: Performance of SimCode: time 5.11e-07/0.3294, allocations: 0 / 0.7357 GB, free: 3.211 MB / 0.5417 GB
Notification: Performance of Templates: time 0.01696/0.3464, allocations: 15.87 MB / 0.7512 GB, free: 3.637 MB / 0.5573 GB
"
[Timeout remaining time 660]
make -j1 -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.makefile [Timeout 660]
(rm -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.pipe ; mkfifo BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.pipe >> ../files/BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.sim & ./BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle -abortSlowSimulation -alarm=240  -lv LOG_STATS > BuildingSystems_BuildingSystems.BoundaryConditions.SolarGeometry.BaseClasses.Examples.ZenithAngle.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.219241729006171]