Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.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 0.0009105/0.0009105, allocations: 100.3 kB / 19.72 MB, free: 428 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 0.001082/0.001082, allocations: 214.8 kB / 23.03 MB, free: 2.969 MB / 13.93 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 1.01/1.01, allocations: 230.6 MB / 256.8 MB, free: 9.582 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.901/1.901, allocations: 0.5045 GB / 0.8104 GB, free: 2.719 MB / 0.6511 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/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: "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.Outside_Cp,fileNamePrefix="Buildings_13_Buildings_Fluid_Sources_Examples_Outside_Cp",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Sources.Examples.Outside_Cp,fileNamePrefix="Buildings_13_Buildings_Fluid_Sources_Examples_Outside_Cp",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.00117/0.00117, allocations: 67.91 kB / 1.177 GB, free: 11.98 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6865/0.6877, allocations: 180 MB / 1.352 GB, free: 1.68 MB / 1.026 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Sources.Examples.Outside_Cp): time 0.1285/0.8162, allocations: 155.4 MB / 1.504 GB, free: 5.699 MB / 1.182 GB Notification: Performance of NFInst.instExpressions: time 0.01389/0.8301, allocations: 14.78 MB / 1.519 GB, free: 6.879 MB / 1.198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001283/0.8313, allocations: 39.69 kB / 1.519 GB, free: 6.84 MB / 1.198 GB Notification: Performance of NFTyping.typeComponents: time 0.001384/0.8327, allocations: 0.5895 MB / 1.519 GB, free: 6.246 MB / 1.198 GB Notification: Performance of NFTyping.typeBindings: time 0.003389/0.8361, allocations: 1.678 MB / 1.521 GB, free: 4.562 MB / 1.198 GB Notification: Performance of NFTyping.typeClassSections: time 0.003037/0.8392, allocations: 1.719 MB / 1.523 GB, free: 2.852 MB / 1.198 GB Notification: Performance of NFFlatten.flatten: time 0.002796/0.842, allocations: 2.945 MB / 1.525 GB, free: 15.9 MB / 1.214 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001645/0.8436, allocations: 1.379 MB / 1.527 GB, free: 14.46 MB / 1.214 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002774/0.8464, allocations: 1.697 MB / 1.528 GB, free: 12.8 MB / 1.214 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009972/0.8474, allocations: 0.9994 MB / 1.529 GB, free: 11.79 MB / 1.214 GB Notification: Performance of NFPackage.collectConstants: time 0.0002106/0.8476, allocations: 208 kB / 1.53 GB, free: 11.59 MB / 1.214 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001818/0.8494, allocations: 1.271 MB / 1.531 GB, free: 10.32 MB / 1.214 GB Notification: Performance of NFScalarize.scalarize: time 0.00035/0.8497, allocations: 0.588 MB / 1.531 GB, free: 9.727 MB / 1.214 GB Notification: Performance of NFVerifyModel.verify: time 0.0006689/0.8504, allocations: 0.8672 MB / 1.532 GB, free: 8.855 MB / 1.214 GB Notification: Performance of NFConvertDAE.convert: time 0.003008/0.8534, allocations: 3.156 MB / 1.535 GB, free: 5.688 MB / 1.214 GB Notification: Performance of FrontEnd - DAE generated: time 2.976e-06/0.8534, allocations: 0 / 1.535 GB, free: 5.688 MB / 1.214 GB Notification: Performance of FrontEnd: time 1.342e-06/0.8534, allocations: 0 / 1.535 GB, free: 5.688 MB / 1.214 GB Notification: Performance of Transformations before backend: time 2.789e-05/0.8535, allocations: 0 / 1.535 GB, free: 5.688 MB / 1.214 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 415 * Number of variables: 415 Notification: Performance of Generate backend data structure: time 0.002897/0.8564, allocations: 2.348 MB / 1.538 GB, free: 3.289 MB / 1.214 GB Notification: Performance of prepare preOptimizeDAE: time 5.245e-05/0.8564, allocations: 8.922 kB / 1.538 GB, free: 3.281 MB / 1.214 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002179/0.8566, allocations: 240.5 kB / 1.538 GB, free: 3.035 MB / 1.214 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00238/0.859, allocations: 0.6229 MB / 1.539 GB, free: 2.41 MB / 1.214 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001537/0.8605, allocations: 1.092 MB / 1.54 GB, free: 1.273 MB / 1.214 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001617/0.8607, allocations: 123.2 kB / 1.54 GB, free: 1.152 MB / 1.214 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001585/0.8609, allocations: 168 kB / 1.54 GB, free: 0.9883 MB / 1.214 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002625/0.8635, allocations: 2.502 MB / 1.542 GB, free: 14.25 MB / 1.229 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.047e-05/0.8635, allocations: 4 kB / 1.542 GB, free: 14.25 MB / 1.229 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001112/0.8636, allocations: 68 kB / 1.542 GB, free: 14.18 MB / 1.229 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.849e-05/0.8637, allocations: 44 kB / 1.542 GB, free: 14.14 MB / 1.229 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002512/0.8662, allocations: 1.838 MB / 1.544 GB, free: 12.3 MB / 1.229 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006313/0.8725, allocations: 4.776 MB / 1.549 GB, free: 7.406 MB / 1.229 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002055/0.8745, allocations: 1.442 MB / 1.55 GB, free: 5.957 MB / 1.229 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007732/0.8753, allocations: 0.5963 MB / 1.551 GB, free: 5.359 MB / 1.229 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002298/0.8756, allocations: 77.34 kB / 1.551 GB, free: 5.281 MB / 1.229 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001292/0.8768, allocations: 1.361 MB / 1.552 GB, free: 3.785 MB / 1.229 GB Notification: Performance of pre-optimization done (n=134): time 4.969e-06/0.8768, allocations: 0 / 1.552 GB, free: 3.785 MB / 1.229 GB Notification: Performance of matching and sorting (n=134): time 0.004183/0.881, allocations: 2.032 MB / 1.554 GB, free: 1.746 MB / 1.229 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000104/0.8811, allocations: 205.2 kB / 1.554 GB, free: 1.5 MB / 1.229 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001268/0.8824, allocations: 1.012 MB / 1.555 GB, free: 484 kB / 1.229 GB Notification: Performance of collectPreVariables (initialization): time 0.0001712/0.8826, allocations: 57.7 kB / 1.555 GB, free: 420 kB / 1.229 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005647/0.8831, allocations: 0.6739 MB / 1.556 GB, free: 15.73 MB / 1.245 GB Notification: Performance of collectInitialBindings (initialization): time 0.000378/0.8835, allocations: 468 kB / 1.557 GB, free: 15.27 MB / 1.245 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000291/0.8838, allocations: 238.8 kB / 1.557 GB, free: 15.03 MB / 1.245 GB Notification: Performance of setup shared object (initialization): time 0.0001242/0.8839, allocations: 353.9 kB / 1.557 GB, free: 14.68 MB / 1.245 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007668/0.8847, allocations: 0.4906 MB / 1.558 GB, free: 14.18 MB / 1.245 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008911/0.8856, allocations: 0.8841 MB / 1.558 GB, free: 13.21 MB / 1.245 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001452/0.887, allocations: 1.145 MB / 1.56 GB, free: 12.04 MB / 1.245 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.739e-06/0.887, allocations: 0 / 1.56 GB, free: 12.04 MB / 1.245 GB Notification: Performance of matching and sorting (n=151) (initialization): time 0.00246/0.8895, allocations: 1.477 MB / 1.561 GB, free: 10.55 MB / 1.245 GB Notification: Performance of prepare postOptimizeDAE: time 2.135e-05/0.8895, allocations: 4 kB / 1.561 GB, free: 10.54 MB / 1.245 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.947e-06/0.8895, allocations: 4 kB / 1.561 GB, free: 10.54 MB / 1.245 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003262/0.8899, allocations: 88.88 kB / 1.561 GB, free: 10.45 MB / 1.245 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007763/0.8906, allocations: 299.6 kB / 1.561 GB, free: 10.16 MB / 1.245 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001413/0.8921, allocations: 1.553 MB / 1.563 GB, free: 8.484 MB / 1.245 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007548/0.8928, allocations: 159 kB / 1.563 GB, free: 8.328 MB / 1.245 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.613e-05/0.8929, allocations: 51.91 kB / 1.563 GB, free: 8.277 MB / 1.245 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 25 (weaDat.decAng.k,$PRE.weaDat.decAng.k,weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.k,$PRE.weaDat.eqnTim.k,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.k,$PRE.weaDat.conTim.k,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.k,$PRE.weaDat.conTimMin.k,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.k,$PRE.weaDat.locTim.k,weaDat.locTim.tNext,$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 (149): * Single equations (assignments): 148 * 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 0.000624/0.8935, allocations: 392.7 kB / 1.564 GB, free: 7.883 MB / 1.245 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002298/0.8937, allocations: 143.1 kB / 1.564 GB, free: 7.742 MB / 1.245 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002383/0.8961, allocations: 1.731 MB / 1.565 GB, free: 5.992 MB / 1.245 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.427e-06/0.8961, allocations: 16 kB / 1.565 GB, free: 5.977 MB / 1.245 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.026e-06/0.8961, allocations: 3.938 kB / 1.565 GB, free: 5.973 MB / 1.245 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.038e-05/0.8961, allocations: 7.969 kB / 1.565 GB, free: 5.965 MB / 1.245 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004432/0.9006, allocations: 3.245 MB / 1.569 GB, free: 2.656 MB / 1.245 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.619e-06/0.9006, allocations: 0 / 1.569 GB, free: 2.656 MB / 1.245 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007475/0.9013, allocations: 291.6 kB / 1.569 GB, free: 2.371 MB / 1.245 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000226/0.9016, allocations: 80.66 kB / 1.569 GB, free: 2.289 MB / 1.245 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.541e-05/0.9016, allocations: 35.97 kB / 1.569 GB, free: 2.254 MB / 1.245 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001185/0.9028, allocations: 1.562 MB / 1.57 GB, free: 0.5703 MB / 1.245 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.683e-06/0.9028, allocations: 0 / 1.57 GB, free: 0.5703 MB / 1.245 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003089/0.9059, allocations: 2.394 MB / 1.573 GB, free: 14.15 MB / 1.26 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005908/0.9065, allocations: 350.4 kB / 1.573 GB, free: 13.81 MB / 1.26 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001505/0.9066, allocations: 31.94 kB / 1.573 GB, free: 13.78 MB / 1.26 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006361/0.9073, allocations: 108.3 kB / 1.573 GB, free: 13.68 MB / 1.26 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001675/0.9075, allocations: 101.1 kB / 1.573 GB, free: 13.58 MB / 1.26 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.064e-05/0.9075, allocations: 60.09 kB / 1.573 GB, free: 13.52 MB / 1.26 GB Notification: Performance of sorting global known variables: time 0.000741/0.9083, allocations: 0.7079 MB / 1.574 GB, free: 12.8 MB / 1.26 GB Notification: Performance of sort global known variables: time 1.7e-07/0.9083, allocations: 0 / 1.574 GB, free: 12.8 MB / 1.26 GB Notification: Performance of remove unused functions: time 0.001316/0.9096, allocations: 0.561 MB / 1.575 GB, free: 12.24 MB / 1.26 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 2 (ori1.mExc,ori2.mExc) * Number of discrete variables: 15 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.locTim.k,weaDat.conTimMin.tNext,weaDat.conTimMin.k,weaDat.conTim.tNext,weaDat.conTim.k,weaDat.eqnTim.tNext,weaDat.eqnTim.k,weaDat.decAng.tNext,weaDat.decAng.k) * Number of discrete states: 10 (weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.locTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext,weaDat.decAng.k,weaDat.eqnTim.k,weaDat.conTim.k,weaDat.conTimMin.k,weaDat.locTim.k) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (144): * Single equations (assignments): 133 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * 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 0.004369/0.914, allocations: 3.57 MB / 1.578 GB, free: 8.848 MB / 1.26 GB Notification: Performance of simCode: created initialization part: time 0.001971/0.9159, allocations: 1.345 MB / 1.579 GB, free: 7.488 MB / 1.26 GB Notification: Performance of simCode: created event and clocks part: time 5.66e-06/0.9159, allocations: 4.562 kB / 1.579 GB, free: 7.48 MB / 1.26 GB Notification: Performance of simCode: created simulation system equations: time 0.0009424/0.9169, allocations: 0.7712 MB / 1.58 GB, free: 6.699 MB / 1.26 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001468/0.9184, allocations: 0.5628 MB / 1.581 GB, free: 6.156 MB / 1.26 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01353/0.9319, allocations: 10.74 MB / 1.591 GB, free: 11.23 MB / 1.276 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007206/0.9326, allocations: 0.7324 MB / 1.592 GB, free: 10.46 MB / 1.276 GB Notification: Performance of simCode: alias equations: time 0.001468/0.9341, allocations: 451.2 kB / 1.592 GB, free: 10.02 MB / 1.276 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009711/0.935, allocations: 0.6788 MB / 1.593 GB, free: 9.34 MB / 1.276 GB Notification: Performance of SimCode: time 1.733e-06/0.935, allocations: 0 / 1.593 GB, free: 9.34 MB / 1.276 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1746/1.11, allocations: 42.24 MB / 1.634 GB, free: 15.69 MB / 1.323 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.876/9.986, allocations: 6.719 kB / 1.634 GB, free: 15.68 MB / 1.323 GB " [Timeout remaining time 290] (rm -f Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.pipe ; mkfifo Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.pipe >> ../files/Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.sim & (cd run_OMSimulator && /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --stripRoot --tempDir=temp_Buildings_13_Buildings_Fluid_Sources_Examples_Outside_Cp_fmu --startTime=0 --stopTime=86400 --stepSize=34.56 --timeout=50 --tolerance=1e-06 ../Buildings_13_Buildings_Fluid_Sources_Examples_Outside_Cp.fmu) > Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp.pipe 2>&1) [Timeout 52.5] (rm -f Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy.pipe ; mkfifo Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy.sim & (cd run_fmpy && python3 -m fmpy simulate --output-file ../Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy_res.csv --start-time 0 --stop-time 86400 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 ../Buildings_13_Buildings_Fluid_Sources_Examples_Outside_Cp.fmu) > Buildings_13_Buildings.Fluid.Sources.Examples.Outside_Cp_fmpy.pipe 2>&1) [Timeout 52.5] [Calling sys.exit(0), Time elapsed: 14.975063222460449]