Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.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 0.0009153/0.0009153, 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 0.0009379/0.0009379, 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 0.9513/0.9513, allocations: 177.1 MB / 204.5 MB, free: 5.508 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 0.001592/0.001592, allocations: 233.9 kB / 261.3 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 0.686/0.686, allocations: 138.4 MB / 456.3 MB, free: 1.414 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.Examples.DirectTiltedSurface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface") translateModel(BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.232e-06/1.232e-06, allocations: 0 / 0.5563 GB, free: 296 kB / 474.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.204e-05/1.328e-05, allocations: 5.828 kB / 0.5563 GB, free: 292 kB / 474.7 MB Notification: Performance of NFInst.instantiate(BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface): time 0.007688/0.007701, allocations: 6.681 MB / 0.5629 GB, free: 9.57 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.318/0.3257, allocations: 144.4 MB / 0.7039 GB, free: 5.062 MB / 0.5105 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007459/0.3264, allocations: 23.88 kB / 0.7039 GB, free: 5.039 MB / 0.5105 GB Notification: Performance of NFTyping.typeComponents: time 0.0005123/0.327, allocations: 276 kB / 0.7042 GB, free: 4.77 MB / 0.5105 GB Notification: Performance of NFTyping.typeBindings: time 0.001406/0.3284, allocations: 0.8252 MB / 0.705 GB, free: 3.957 MB / 0.5105 GB Notification: Performance of NFTyping.typeClassSections: time 0.001452/0.3298, allocations: 1.032 MB / 0.706 GB, free: 2.945 MB / 0.5105 GB Notification: Performance of NFFlatten.flatten: time 0.001243/0.3311, allocations: 2.177 MB / 0.7081 GB, free: 0.7617 MB / 0.5105 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007281/0.3318, allocations: 0.7367 MB / 0.7088 GB, free: 15.97 MB / 0.5261 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001182/0.333, allocations: 1.317 MB / 0.7101 GB, free: 14.66 MB / 0.5261 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005712/0.3335, allocations: 0.6193 MB / 0.7107 GB, free: 14.04 MB / 0.5261 GB Notification: Performance of NFPackage.collectConstants: time 0.0001977/0.3337, allocations: 200 kB / 0.7109 GB, free: 13.84 MB / 0.5261 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006743/0.3344, allocations: 0.5697 MB / 0.7115 GB, free: 13.27 MB / 0.5261 GB Notification: Performance of NFScalarize.scalarize: time 0.0002737/0.3347, allocations: 478.4 kB / 0.7119 GB, free: 12.8 MB / 0.5261 GB Notification: Performance of NFVerifyModel.verify: time 0.0004487/0.3351, allocations: 0.6391 MB / 0.7125 GB, free: 12.16 MB / 0.5261 GB Notification: Performance of NFConvertDAE.convert: time 0.001458/0.3366, allocations: 1.818 MB / 0.7143 GB, free: 10.34 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 3.476e-06/0.3366, allocations: 0 / 0.7143 GB, free: 10.34 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.343e-06/0.3366, allocations: 0 / 0.7143 GB, free: 10.34 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 2.522e-05/0.3366, allocations: 0 / 0.7143 GB, free: 10.34 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: 398 * Number of variables: 398 Notification: Performance of Generate backend data structure: time 0.001993/0.3386, allocations: 2.125 MB / 0.7164 GB, free: 8.164 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 2.996e-05/0.3387, allocations: 8.75 kB / 0.7164 GB, free: 8.156 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001625/0.3403, allocations: 0.5923 MB / 0.717 GB, free: 7.562 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008947/0.3412, allocations: 0.925 MB / 0.7179 GB, free: 6.605 MB / 0.5261 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.978e-05/0.3413, allocations: 175 kB / 0.718 GB, free: 6.422 MB / 0.5261 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001284/0.3414, allocations: 159.9 kB / 0.7182 GB, free: 6.266 MB / 0.5261 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001141/0.3425, allocations: 1.343 MB / 0.7195 GB, free: 4.801 MB / 0.5261 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.438e-05/0.3426, allocations: 0 / 0.7195 GB, free: 4.801 MB / 0.5261 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.543e-05/0.3426, allocations: 72 kB / 0.7196 GB, free: 4.73 MB / 0.5261 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.255e-05/0.3427, allocations: 36 kB / 0.7196 GB, free: 4.695 MB / 0.5261 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008676/0.3435, allocations: 0.8902 MB / 0.7205 GB, free: 3.797 MB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003324/0.3469, allocations: 3.361 MB / 0.7238 GB, free: 384 kB / 0.5261 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006921/0.3476, allocations: 0.5601 MB / 0.7243 GB, free: 15.81 MB / 0.5417 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002221/0.3478, allocations: 197 kB / 0.7245 GB, free: 15.61 MB / 0.5417 GB Notification: Performance of preOpt evalFunc (simulation): time 5.943e-05/0.3478, allocations: 40.95 kB / 0.7245 GB, free: 15.57 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005059/0.3483, allocations: 0.5961 MB / 0.7251 GB, free: 14.92 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=111): time 2.354e-06/0.3483, allocations: 0 / 0.7251 GB, free: 14.92 MB / 0.5417 GB Notification: Performance of matching and sorting (n=111): time 0.001579/0.3499, allocations: 0.9618 MB / 0.7261 GB, free: 13.95 MB / 0.5417 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.68e-05/0.35, allocations: 192.9 kB / 0.7262 GB, free: 13.72 MB / 0.5417 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004624/0.3505, allocations: 0.6629 MB / 0.7269 GB, free: 13.04 MB / 0.5417 GB Notification: Performance of collectPreVariables (initialization): time 5.978e-05/0.3505, allocations: 49.7 kB / 0.7269 GB, free: 12.98 MB / 0.5417 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003448/0.3509, allocations: 0.6987 MB / 0.7276 GB, free: 12.27 MB / 0.5417 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001999/0.3511, allocations: 376.8 kB / 0.728 GB, free: 11.9 MB / 0.5417 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002186/0.3513, allocations: 232.4 kB / 0.7282 GB, free: 11.67 MB / 0.5417 GB Notification: Performance of setup shared object (initialization): time 0.0001813/0.3515, allocations: 0.5897 MB / 0.7288 GB, free: 11.07 MB / 0.5417 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001958/0.3517, allocations: 146.5 kB / 0.7289 GB, free: 10.92 MB / 0.5417 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003222/0.352, allocations: 420.8 kB / 0.7293 GB, free: 10.46 MB / 0.5417 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005103/0.3525, allocations: 455.2 kB / 0.7298 GB, free: 9.992 MB / 0.5417 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.246e-06/0.3525, allocations: 0 / 0.7298 GB, free: 9.992 MB / 0.5417 GB Notification: Performance of matching and sorting (n=137) (initialization): time 0.001003/0.3535, allocations: 0.7811 MB / 0.7305 GB, free: 9.199 MB / 0.5417 GB Notification: Performance of prepare postOptimizeDAE: time 1.491e-05/0.3535, allocations: 4 kB / 0.7305 GB, free: 9.195 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.175e-06/0.3535, allocations: 3.938 kB / 0.7305 GB, free: 9.191 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004302/0.3539, allocations: 139.5 kB / 0.7307 GB, free: 9.051 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000483/0.3544, allocations: 223.7 kB / 0.7309 GB, free: 8.832 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001235/0.3557, allocations: 1.865 MB / 0.7327 GB, free: 6.848 MB / 0.5417 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003497/0.356, allocations: 95.38 kB / 0.7328 GB, free: 6.754 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.868e-05/0.3561, allocations: 47.98 kB / 0.7328 GB, free: 6.707 MB / 0.5417 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 26 (weaDat.conTimMin.canRepeatWeatherFile,weaDat.conTim.canRepeatWeatherFile,HDirWal.incAng.decAng.tNext,$PRE.HDirWal.incAng.decAng.tNext,HDirFlo.incAng.decAng.tNext,$PRE.HDirFlo.incAng.decAng.tNext,HDirRoo.incAng.decAng.tNext,$PRE.HDirRoo.incAng.decAng.tNext,weaDat.decAng.tNext,$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,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (135): * Single equations (assignments): 134 * 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 0.0002536/0.3563, allocations: 239.6 kB / 0.7331 GB, free: 6.461 MB / 0.5417 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001691/0.3565, allocations: 139.3 kB / 0.7332 GB, free: 6.324 MB / 0.5417 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001381/0.3579, allocations: 1.072 MB / 0.7342 GB, free: 5.246 MB / 0.5417 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.963e-06/0.3579, allocations: 12 kB / 0.7342 GB, free: 5.234 MB / 0.5417 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.934e-06/0.3579, allocations: 0 / 0.7342 GB, free: 5.234 MB / 0.5417 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.08e-05/0.3579, allocations: 15.91 kB / 0.7343 GB, free: 5.219 MB / 0.5417 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006568/0.3586, allocations: 0.6993 MB / 0.7349 GB, free: 4.496 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.789e-06/0.3586, allocations: 3.984 kB / 0.7349 GB, free: 4.492 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004019/0.359, allocations: 195.7 kB / 0.7351 GB, free: 4.301 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003283/0.3593, allocations: 115.5 kB / 0.7352 GB, free: 4.184 MB / 0.5417 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.495e-05/0.3593, allocations: 31.97 kB / 0.7353 GB, free: 4.152 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001019/0.3604, allocations: 1.898 MB / 0.7371 GB, free: 2.141 MB / 0.5417 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.013e-06/0.3604, allocations: 7.938 kB / 0.7371 GB, free: 2.133 MB / 0.5417 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001023/0.3614, allocations: 0.885 MB / 0.738 GB, free: 1.215 MB / 0.5417 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002866/0.3617, allocations: 259.4 kB / 0.7382 GB, free: 0.9609 MB / 0.5417 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.27e-05/0.3618, allocations: 43.92 kB / 0.7383 GB, free: 0.918 MB / 0.5417 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000292/0.362, allocations: 46.47 kB / 0.7383 GB, free: 0.875 MB / 0.5417 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001112/0.3622, allocations: 97.12 kB / 0.7384 GB, free: 0.7812 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.212e-05/0.3622, allocations: 39.97 kB / 0.7385 GB, free: 0.7422 MB / 0.5417 GB Notification: Performance of sorting global known variables: time 0.0002695/0.3625, allocations: 442.7 kB / 0.7389 GB, free: 324 kB / 0.5417 GB Notification: Performance of sort global known variables: time 4e-08/0.3625, allocations: 0 / 0.7389 GB, free: 324 kB / 0.5417 GB Notification: Performance of remove unused functions: time 0.0006544/0.3631, allocations: 486.6 kB / 0.7394 GB, free: 15.84 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 16 ($whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HDirRoo.incAng.decAng.tNext,HDirFlo.incAng.decAng.tNext,HDirWal.incAng.decAng.tNext) * Number of discrete states: 8 (weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,HDirRoo.incAng.decAng.tNext,HDirFlo.incAng.decAng.tNext,HDirWal.incAng.decAng.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (128): * Single equations (assignments): 119 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * 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 0.001114/0.3643, allocations: 0.6344 MB / 0.74 GB, free: 15.45 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.000812/0.3651, allocations: 0.7562 MB / 0.7407 GB, free: 14.68 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 3.036e-06/0.3651, allocations: 4 kB / 0.7407 GB, free: 14.67 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.0004572/0.3655, allocations: 0.5228 MB / 0.7412 GB, free: 14.13 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006855/0.3662, allocations: 363.3 kB / 0.7416 GB, free: 13.8 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002486/0.3687, allocations: 2.252 MB / 0.7438 GB, free: 11.51 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000156/0.3689, allocations: 267.8 kB / 0.744 GB, free: 11.22 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.000457/0.3693, allocations: 232.6 kB / 0.7442 GB, free: 10.99 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006652/0.37, allocations: 437.9 kB / 0.7447 GB, free: 10.56 MB / 0.5573 GB Notification: Performance of SimCode: time 8.62e-07/0.37, allocations: 0 / 0.7447 GB, free: 10.56 MB / 0.5573 GB Notification: Performance of Templates: time 0.02309/0.3931, allocations: 20.99 MB / 0.7652 GB, free: 5.895 MB / 0.573 GB " [Timeout remaining time 660] make -j1 -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.makefile [Timeout 660] (rm -f BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.pipe ; mkfifo BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.pipe >> ../files/BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.sim & ./BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface -abortSlowSimulation -alarm=240 -lv LOG_STATS > BuildingSystems_BuildingSystems.BoundaryConditions.SolarIrradiation.Examples.DirectTiltedSurface.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.454516761004925]