Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.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 0.001013/0.001013, allocations: 86.05 kB / 19.87 MB, free: 4.609 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 0.0009675/0.0009675, allocations: 165.7 kB / 23.27 MB, free: 1.215 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 0.9849/0.9849, allocations: 177.1 MB / 203.7 MB, free: 5.516 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.7442/0.7442, allocations: 154.6 MB / 414.8 MB, free: 0.5391 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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 4.0.0/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 4.0.0/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.Examples.Tutorial.SimpleHouse.SimpleHouse0,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0") translateModel(IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.114e-06/2.114e-06, allocations: 0.7656 kB / 0.5207 GB, free: 1.934 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.625e-05/1.836e-05, allocations: 2.312 kB / 0.5207 GB, free: 1.93 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0): time 0.004832/0.00485, allocations: 4.723 MB / 0.5253 GB, free: 13.21 MB / 0.4948 GB Notification: Performance of NFInst.instExpressions: time 0.147/0.1519, allocations: 143.8 MB / 0.6658 GB, free: 13.03 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001077/0.1529, allocations: 19.88 kB / 0.6658 GB, free: 13.01 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.0005585/0.1535, allocations: 202.1 kB / 0.666 GB, free: 12.81 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.00138/0.1549, allocations: 0.5862 MB / 0.6666 GB, free: 12.22 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.001493/0.1564, allocations: 0.8529 MB / 0.6674 GB, free: 11.37 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0009712/0.1573, allocations: 1.424 MB / 0.6688 GB, free: 9.938 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005201/0.1579, allocations: 393.9 kB / 0.6692 GB, free: 9.535 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0006774/0.1585, allocations: 0.7522 MB / 0.6699 GB, free: 8.781 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0003132/0.1589, allocations: 362.9 kB / 0.6702 GB, free: 8.426 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 9.818e-05/0.159, allocations: 104 kB / 0.6703 GB, free: 8.324 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.000564/0.1595, allocations: 487.3 kB / 0.6708 GB, free: 7.848 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0001801/0.1597, allocations: 287 kB / 0.6711 GB, free: 7.566 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0002355/0.1599, allocations: 371 kB / 0.6714 GB, free: 7.203 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.00127/0.1612, allocations: 1.218 MB / 0.6726 GB, free: 5.98 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 6.782e-06/0.1612, allocations: 0 / 0.6726 GB, free: 5.98 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.542e-06/0.1612, allocations: 0 / 0.6726 GB, free: 5.98 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 1.001e-05/0.1612, allocations: 0 / 0.6726 GB, free: 5.98 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.00176/0.163, allocations: 1.496 MB / 0.6741 GB, free: 4.438 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 4.187e-05/0.163, allocations: 12.03 kB / 0.6741 GB, free: 4.426 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009996/0.164, allocations: 319.6 kB / 0.6744 GB, free: 4.113 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008213/0.1648, allocations: 0.7032 MB / 0.6751 GB, free: 3.383 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.613e-05/0.1649, allocations: 66.12 kB / 0.6752 GB, free: 3.316 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.737e-05/0.165, allocations: 84 kB / 0.6752 GB, free: 3.234 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009047/0.1659, allocations: 0.8692 MB / 0.6761 GB, free: 2.266 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.867e-05/0.1659, allocations: 3.938 kB / 0.6761 GB, free: 2.262 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.86e-05/0.166, allocations: 32 kB / 0.6761 GB, free: 2.23 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.897e-05/0.166, allocations: 24 kB / 0.6761 GB, free: 2.207 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008337/0.1668, allocations: 0.6728 MB / 0.6768 GB, free: 1.531 MB / 0.6355 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.3191/0.4859, allocations: 2.169 MB / 0.6789 GB, free: 58.02 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0005897/0.4865, allocations: 419.7 kB / 0.6793 GB, free: 57.98 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001387/0.4866, allocations: 142.8 kB / 0.6795 GB, free: 57.97 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 6.971e-05/0.4867, allocations: 46.73 kB / 0.6795 GB, free: 57.96 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003453/0.487, allocations: 444.2 kB / 0.6799 GB, free: 57.75 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=78): time 2.325e-06/0.487, allocations: 0 / 0.6799 GB, free: 57.75 MB / 0.6355 GB Notification: Performance of matching and sorting (n=78): time 0.001216/0.4882, allocations: 0.7058 MB / 0.6806 GB, free: 57.7 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.155e-05/0.4883, allocations: 196.9 kB / 0.6808 GB, free: 57.48 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003259/0.4886, allocations: 0.5648 MB / 0.6813 GB, free: 57.3 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 3.809e-05/0.4887, allocations: 40.58 kB / 0.6814 GB, free: 57.27 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002126/0.4889, allocations: 468.1 kB / 0.6818 GB, free: 57.11 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 9.96e-05/0.489, allocations: 266.6 kB / 0.6821 GB, free: 56.97 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001383/0.4891, allocations: 169.8 kB / 0.6823 GB, free: 56.94 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 9.689e-05/0.4892, allocations: 0.5653 MB / 0.6828 GB, free: 56.45 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001092/0.4893, allocations: 93.22 kB / 0.6829 GB, free: 56.45 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001832/0.4895, allocations: 349.1 kB / 0.6832 GB, free: 56.21 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002875/0.4898, allocations: 319.5 kB / 0.6835 GB, free: 56.14 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.046e-06/0.4898, allocations: 1.781 kB / 0.6835 GB, free: 56.14 MB / 0.6355 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.0006714/0.4905, allocations: 0.5747 MB / 0.6841 GB, free: 56.03 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.641e-05/0.4905, allocations: 5.781 kB / 0.6841 GB, free: 56.03 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.502e-06/0.4905, allocations: 2.906 kB / 0.6841 GB, free: 56.03 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003975/0.4909, allocations: 127.3 kB / 0.6842 GB, free: 56.02 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002939/0.4912, allocations: 158.1 kB / 0.6844 GB, free: 56.02 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009698/0.4921, allocations: 1.868 MB / 0.6862 GB, free: 54.29 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002749/0.4924, allocations: 70.97 kB / 0.6863 GB, free: 54.27 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.795e-05/0.4925, allocations: 31.3 kB / 0.6863 GB, free: 54.27 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (93): * Single equations (assignments): 92 * 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 0.0001822/0.4926, allocations: 213.5 kB / 0.6865 GB, free: 54.11 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001031/0.4927, allocations: 107.2 kB / 0.6866 GB, free: 54.07 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008857/0.4936, allocations: 0.7532 MB / 0.6873 GB, free: 53.97 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.951e-06/0.4936, allocations: 12.88 kB / 0.6873 GB, free: 53.97 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.893e-06/0.4936, allocations: 0.5312 kB / 0.6873 GB, free: 53.97 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.412e-06/0.4936, allocations: 3.234 kB / 0.6874 GB, free: 53.97 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004215/0.4941, allocations: 487.2 kB / 0.6878 GB, free: 53.84 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.456e-06/0.4941, allocations: 0.6562 kB / 0.6878 GB, free: 53.84 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002498/0.4943, allocations: 138.2 kB / 0.6879 GB, free: 53.84 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003128/0.4946, allocations: 113.3 kB / 0.6881 GB, free: 53.83 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.855e-05/0.4947, allocations: 23.31 kB / 0.6881 GB, free: 53.83 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007687/0.4954, allocations: 1.89 MB / 0.6899 GB, free: 52.1 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.41e-07/0.4954, allocations: 0.9844 kB / 0.6899 GB, free: 52.1 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007372/0.4962, allocations: 0.6667 MB / 0.6906 GB, free: 51.93 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002053/0.4964, allocations: 179.4 kB / 0.6907 GB, free: 51.89 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.85e-05/0.4964, allocations: 20.62 kB / 0.6908 GB, free: 51.89 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001971/0.4966, allocations: 40.52 kB / 0.6908 GB, free: 51.89 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.832e-05/0.4967, allocations: 71.62 kB / 0.6909 GB, free: 51.89 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.499e-05/0.4968, allocations: 28.14 kB / 0.6909 GB, free: 51.89 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0001768/0.4969, allocations: 365.1 kB / 0.6912 GB, free: 51.75 MB / 0.6355 GB Notification: Performance of sort global known variables: time 8e-08/0.4969, allocations: 0 / 0.6912 GB, free: 51.75 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.0005586/0.4975, allocations: 329 kB / 0.6916 GB, free: 51.73 MB / 0.6355 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 (89): * Single equations (assignments): 83 * 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 0.001166/0.4987, allocations: 0.6323 MB / 0.6922 GB, free: 51.61 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.0005764/0.4992, allocations: 0.5845 MB / 0.6928 GB, free: 51.4 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.675e-06/0.4992, allocations: 0 / 0.6928 GB, free: 51.4 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0003244/0.4996, allocations: 437.7 kB / 0.6932 GB, free: 51.21 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.000612/0.5002, allocations: 312.4 kB / 0.6935 GB, free: 51.19 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001897/0.5021, allocations: 1.503 MB / 0.6949 GB, free: 50.5 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 9.809e-05/0.5022, allocations: 191.5 kB / 0.6951 GB, free: 50.43 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.0003819/0.5025, allocations: 182 kB / 0.6953 GB, free: 50.38 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004918/0.503, allocations: 366.2 kB / 0.6956 GB, free: 50.32 MB / 0.6355 GB Notification: Performance of SimCode: time 7.42e-07/0.503, allocations: 0 / 0.6956 GB, free: 50.32 MB / 0.6355 GB Notification: Performance of Templates: time 0.02244/0.5255, allocations: 16.24 MB / 0.7115 GB, free: 48.88 MB / 0.6355 GB " [Timeout remaining time 659] make -j1 -f IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe ; mkfifo IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe ; head -c 1048576 < IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe >> ../files/IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.sim & ./IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0 -abortSlowSimulation -alarm=240 -lv LOG_STATS > IDEAS_IDEAS.Examples.Tutorial.SimpleHouse.SimpleHouse0.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.738794095814228]