Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.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 0.0008012/0.0008012, allocations: 81.86 kB / 19.87 MB, free: 4.621 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 0.001379/0.001379, allocations: 169.7 kB / 23.28 MB, free: 1.219 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 0.8871/0.8871, allocations: 177.1 MB / 203.7 MB, free: 5.512 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 0.001656/0.001656, allocations: 233.8 kB / 260.5 MB, free: 12.66 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 0.7037/0.7037, allocations: 138.4 MB / 455.5 MB, free: 1.426 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.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic")
translateModel(BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.052e-06/1.052e-06, allocations: 0 / 0.5556 GB, free: 280 kB / 474.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.772e-05/1.878e-05, allocations: 5.406 kB / 0.5556 GB, free: 276 kB / 474.7 MB
Notification: Performance of NFInst.instantiate(BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic): time 0.004547/0.004566, allocations: 4.641 MB / 0.5601 GB, free: 11.61 MB / 490.7 MB
Notification: Performance of NFInst.instExpressions: time 0.2822/0.2868, allocations: 143.8 MB / 0.7006 GB, free: 7.66 MB / 0.5105 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0005887/0.2874, allocations: 23.81 kB / 0.7006 GB, free: 7.637 MB / 0.5105 GB
Notification: Performance of NFTyping.typeComponents: time 0.0004053/0.2878, allocations: 194.2 kB / 0.7008 GB, free: 7.445 MB / 0.5105 GB
Notification: Performance of NFTyping.typeBindings: time 0.001048/0.2888, allocations: 0.5848 MB / 0.7014 GB, free: 6.875 MB / 0.5105 GB
Notification: Performance of NFTyping.typeClassSections: time 0.001102/0.2899, allocations: 0.8567 MB / 0.7022 GB, free: 6.043 MB / 0.5105 GB
Notification: Performance of NFFlatten.flatten: time 0.0006322/0.2906, allocations: 1.428 MB / 0.7036 GB, free: 4.609 MB / 0.5105 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003878/0.291, allocations: 393.8 kB / 0.704 GB, free: 4.203 MB / 0.5105 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0005074/0.2915, allocations: 0.7562 MB / 0.7047 GB, free: 3.445 MB / 0.5105 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002446/0.2917, allocations: 370.8 kB / 0.7051 GB, free: 3.082 MB / 0.5105 GB
Notification: Performance of NFPackage.collectConstants: time 7.902e-05/0.2918, allocations: 104 kB / 0.7052 GB, free: 2.98 MB / 0.5105 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0005232/0.2923, allocations: 482.4 kB / 0.7056 GB, free: 2.516 MB / 0.5105 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001242/0.2924, allocations: 287 kB / 0.7059 GB, free: 2.234 MB / 0.5105 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001657/0.2926, allocations: 367 kB / 0.7062 GB, free: 1.875 MB / 0.5105 GB
Notification: Performance of NFConvertDAE.convert: time 0.000793/0.2934, allocations: 1.222 MB / 0.7074 GB, free: 0.6484 MB / 0.5105 GB
Notification: Performance of FrontEnd - DAE generated: time 3.968e-06/0.2934, allocations: 4 kB / 0.7074 GB, free: 0.6445 MB / 0.5105 GB
Notification: Performance of FrontEnd: time 9.62e-07/0.2934, allocations: 0 / 0.7074 GB, free: 0.6445 MB / 0.5105 GB
Notification: Performance of Transformations before backend: time 7.334e-06/0.2934, allocations: 0 / 0.7074 GB, free: 0.6445 MB / 0.5105 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 211
 * Number of variables: 211
Notification: Performance of Generate backend data structure: time 0.001367/0.2948, allocations: 1.494 MB / 0.7089 GB, free: 15.11 MB / 0.5261 GB
Notification: Performance of prepare preOptimizeDAE: time 3.394e-05/0.2948, allocations: 8.75 kB / 0.7089 GB, free: 15.1 MB / 0.5261 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007659/0.2956, allocations: 327.5 kB / 0.7092 GB, free: 14.78 MB / 0.5261 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006455/0.2962, allocations: 0.7032 MB / 0.7099 GB, free: 14.05 MB / 0.5261 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.753e-05/0.2963, allocations: 62.56 kB / 0.71 GB, free: 13.99 MB / 0.5261 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.023e-05/0.2963, allocations: 87.94 kB / 0.71 GB, free: 13.9 MB / 0.5261 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006767/0.297, allocations: 0.8656 MB / 0.7109 GB, free: 12.94 MB / 0.5261 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.471e-05/0.297, allocations: 0 / 0.7109 GB, free: 12.94 MB / 0.5261 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.6e-05/0.2971, allocations: 39.98 kB / 0.7109 GB, free: 12.9 MB / 0.5261 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.373e-05/0.2971, allocations: 20 kB / 0.7109 GB, free: 12.88 MB / 0.5261 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0006162/0.2977, allocations: 0.6767 MB / 0.7116 GB, free: 12.2 MB / 0.5261 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002068/0.2998, allocations: 2.059 MB / 0.7136 GB, free: 10.1 MB / 0.5261 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004993/0.3003, allocations: 415.1 kB / 0.714 GB, free: 9.691 MB / 0.5261 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001482/0.3004, allocations: 145.5 kB / 0.7142 GB, free: 9.543 MB / 0.5261 GB
Notification: Performance of preOpt evalFunc (simulation): time 6.132e-05/0.3005, allocations: 53.88 kB / 0.7142 GB, free: 9.504 MB / 0.5261 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003559/0.3008, allocations: 450.4 kB / 0.7146 GB, free: 9.02 MB / 0.5261 GB
Notification: Performance of pre-optimization done (n=80): time 1.843e-06/0.3008, allocations: 0 / 0.7146 GB, free: 9.02 MB / 0.5261 GB
Notification: Performance of matching and sorting (n=80): time 0.001211/0.302, allocations: 0.7265 MB / 0.7153 GB, free: 8.285 MB / 0.5261 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.268e-05/0.3021, allocations: 188.6 kB / 0.7155 GB, free: 8.059 MB / 0.5261 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003514/0.3025, allocations: 0.5617 MB / 0.7161 GB, free: 7.48 MB / 0.5261 GB
Notification: Performance of collectPreVariables (initialization): time 4.101e-05/0.3025, allocations: 41.7 kB / 0.7161 GB, free: 7.434 MB / 0.5261 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002092/0.3027, allocations: 459.6 kB / 0.7165 GB, free: 6.977 MB / 0.5261 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001335/0.3028, allocations: 277.6 kB / 0.7168 GB, free: 6.703 MB / 0.5261 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001548/0.303, allocations: 176.1 kB / 0.717 GB, free: 6.523 MB / 0.5261 GB
Notification: Performance of setup shared object (initialization): time 0.0001536/0.3031, allocations: 0.5624 MB / 0.7175 GB, free: 5.949 MB / 0.5261 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001276/0.3033, allocations: 101.9 kB / 0.7176 GB, free: 5.848 MB / 0.5261 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002242/0.3035, allocations: 333.8 kB / 0.7179 GB, free: 5.473 MB / 0.5261 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003276/0.3038, allocations: 321.2 kB / 0.7183 GB, free: 5.141 MB / 0.5261 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.537e-06/0.3038, allocations: 4.562 kB / 0.7183 GB, free: 5.137 MB / 0.5261 GB
Notification: Performance of matching and sorting (n=97) (initialization): time 0.0007381/0.3046, allocations: 0.5748 MB / 0.7188 GB, free: 4.551 MB / 0.5261 GB
Notification: Performance of prepare postOptimizeDAE: time 1.57e-05/0.3046, allocations: 8 kB / 0.7188 GB, free: 4.543 MB / 0.5261 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.471e-06/0.3046, allocations: 0 / 0.7188 GB, free: 4.543 MB / 0.5261 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0003969/0.305, allocations: 123.6 kB / 0.7189 GB, free: 4.418 MB / 0.5261 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003141/0.3053, allocations: 159.7 kB / 0.7191 GB, free: 4.262 MB / 0.5261 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001344/0.3066, allocations: 1.871 MB / 0.7209 GB, free: 2.273 MB / 0.5261 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002543/0.3069, allocations: 76.16 kB / 0.721 GB, free: 2.199 MB / 0.5261 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.986e-05/0.3069, allocations: 31.97 kB / 0.721 GB, free: 2.168 MB / 0.5261 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * Number of states: 0 ()
 * Number of discrete variables: 17 (weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.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,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (95):
 * Single equations (assignments): 94
 * 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 0.0001778/0.3071, allocations: 206.4 kB / 0.7212 GB, free: 1.957 MB / 0.5261 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001088/0.3072, allocations: 107.5 kB / 0.7213 GB, free: 1.852 MB / 0.5261 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000965/0.3082, allocations: 0.7555 MB / 0.7221 GB, free: 1.086 MB / 0.5261 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.416e-06/0.3082, allocations: 11.94 kB / 0.7221 GB, free: 1.074 MB / 0.5261 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.014e-06/0.3082, allocations: 0 / 0.7221 GB, free: 1.074 MB / 0.5261 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.079e-05/0.3082, allocations: 4.609 kB / 0.7221 GB, free: 1.07 MB / 0.5261 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004477/0.3087, allocations: 491.1 kB / 0.7225 GB, free: 0.5625 MB / 0.5261 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.645e-06/0.3087, allocations: 4 kB / 0.7226 GB, free: 0.5586 MB / 0.5261 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002786/0.3089, allocations: 143.8 kB / 0.7227 GB, free: 428 kB / 0.5261 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0003255/0.3093, allocations: 115.5 kB / 0.7228 GB, free: 312 kB / 0.5261 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.948e-05/0.3093, allocations: 23.98 kB / 0.7228 GB, free: 288 kB / 0.5261 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009768/0.3103, allocations: 1.894 MB / 0.7247 GB, free: 14.27 MB / 0.5417 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.52e-07/0.3103, allocations: 0 / 0.7247 GB, free: 14.27 MB / 0.5417 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007473/0.311, allocations: 0.6726 MB / 0.7253 GB, free: 13.57 MB / 0.5417 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002038/0.3112, allocations: 187.1 kB / 0.7255 GB, free: 13.39 MB / 0.5417 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.855e-05/0.3113, allocations: 20 kB / 0.7255 GB, free: 13.37 MB / 0.5417 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002037/0.3115, allocations: 42.31 kB / 0.7256 GB, free: 13.33 MB / 0.5417 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.108e-05/0.3116, allocations: 68.88 kB / 0.7256 GB, free: 13.26 MB / 0.5417 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.818e-05/0.3116, allocations: 27.97 kB / 0.7257 GB, free: 13.23 MB / 0.5417 GB
Notification: Performance of sorting global known variables: time 0.000204/0.3118, allocations: 366.9 kB / 0.726 GB, free: 12.88 MB / 0.5417 GB
Notification: Performance of sort global known variables: time 8e-08/0.3118, allocations: 0 / 0.726 GB, free: 12.88 MB / 0.5417 GB
Notification: Performance of remove unused functions: time 0.0007833/0.3126, allocations: 338.9 kB / 0.7263 GB, free: 12.55 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: 10 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext)
 * Number of discrete states: 5 (weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (91):
 * Single equations (assignments): 85
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 5
 * 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 0.001064/0.3137, allocations: 0.6223 MB / 0.7269 GB, free: 12.15 MB / 0.5417 GB
Notification: Performance of simCode: created initialization part: time 0.0006357/0.3143, allocations: 0.5853 MB / 0.7275 GB, free: 11.55 MB / 0.5417 GB
Notification: Performance of simCode: created event and clocks part: time 2.154e-06/0.3143, allocations: 0 / 0.7275 GB, free: 11.55 MB / 0.5417 GB
Notification: Performance of simCode: created simulation system equations: time 0.000346/0.3146, allocations: 437 kB / 0.7279 GB, free: 11.11 MB / 0.5417 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006085/0.3153, allocations: 316.7 kB / 0.7282 GB, free: 10.82 MB / 0.5417 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001805/0.3171, allocations: 1.483 MB / 0.7297 GB, free: 9.301 MB / 0.5417 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001075/0.3172, allocations: 191.3 kB / 0.7299 GB, free: 9.09 MB / 0.5417 GB
Notification: Performance of simCode: alias equations: time 0.0003444/0.3175, allocations: 186.5 kB / 0.73 GB, free: 8.902 MB / 0.5417 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005105/0.318, allocations: 361.9 kB / 0.7304 GB, free: 8.547 MB / 0.5417 GB
Notification: Performance of SimCode: time 6.11e-07/0.318, allocations: 0 / 0.7304 GB, free: 8.547 MB / 0.5417 GB
Notification: Performance of Templates: time 0.01808/0.3361, allocations: 16.31 MB / 0.7463 GB, free: 8.566 MB / 0.5573 GB
"
[Timeout remaining time 660]
make -j1 -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.makefile [Timeout 660]
(rm -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.pipe ; mkfifo BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.pipe >> ../files/BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.sim & ./BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic -abortSlowSimulation -alarm=240  -lv LOG_STATS > BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.BaseClasses.Examples.DiffuseIsotropic.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.098893698770553]