Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.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 0.002016/0.002016, allocations: 96.3 kB / 21.73 MB, free: 2.703 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 0.00229/0.00229, allocations: 166.5 kB / 25.02 MB, free: 8.945 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.442/1.442, allocations: 158.6 MB / 186.8 MB, free: 2.93 MB / 170.7 MB " [Timeout remaining time 178] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem") translateModel(Modelica.Fluid.Examples.HeatingSystem,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5004,variableFilter="time|heater.mediums.1..h|heater.mediums.1..p|pipe.mediums.1..h|pipe.mediums.1..p|pipe.mediums.2..h|pipe.mediums.2..p|radiator.mediums.1..h|radiator.mediums.1..p|tank.level|tank.medium.h",fileNamePrefix="Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.793e-06/1.793e-06, allocations: 0 / 250.3 MB, free: 7.859 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.916e-05/3.096e-05, allocations: 6.312 kB / 250.3 MB, free: 7.852 MB / 234.7 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.HeatingSystem): time 0.1167/0.1167, allocations: 81.07 MB / 331.4 MB, free: 6.508 MB / 314.7 MB Notification: Performance of NFInst.instExpressions: time 0.03816/0.1549, allocations: 19.57 MB / 351 MB, free: 2.879 MB / 330.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002587/0.1575, allocations: 130.9 kB / 351.1 MB, free: 2.75 MB / 330.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002879/0.1604, allocations: 0.9158 MB / 352 MB, free: 1.828 MB / 330.7 MB Notification: Performance of NFTyping.typeBindings: time 0.1697/0.3301, allocations: 3.968 MB / 356 MB, free: 15.77 MB / 330.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.01303/0.3431, allocations: 6.662 MB / 362.7 MB, free: 15.74 MB / 330.7 MB Notification: Performance of NFFlatten.flatten: time 0.00963/0.3527, allocations: 6.923 MB / 369.6 MB, free: 14.68 MB / 330.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003164/0.3559, allocations: 1.682 MB / 371.3 MB, free: 14.56 MB / 330.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.1673/0.5233, allocations: 75.25 MB / 446.5 MB, free: 9.316 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.08069/0.6039, allocations: 31.72 MB / 478.2 MB, free: 9.754 MB / 410.7 MB Notification: Performance of NFPackage.collectConstants: time 0.001281/0.6052, allocations: 248 kB / 478.5 MB, free: 9.512 MB / 410.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01533/0.6206, allocations: 5.443 MB / 483.9 MB, free: 4.188 MB / 410.7 MB Notification: Performance of NFScalarize.scalarize: time 0.002578/0.6231, allocations: 1.171 MB / 485.1 MB, free: 3.074 MB / 410.7 MB Notification: Performance of NFVerifyModel.verify: time 0.002739/0.6259, allocations: 1.086 MB / 486.2 MB, free: 2.035 MB / 410.7 MB Notification: Performance of NFConvertDAE.convert: time 0.01319/0.6391, allocations: 5.75 MB / 491.9 MB, free: 12.58 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.669e-06/0.6391, allocations: 0 / 491.9 MB, free: 12.58 MB / 426.7 MB Notification: Performance of FrontEnd: time 1.573e-06/0.6391, allocations: 7.938 kB / 491.9 MB, free: 12.57 MB / 426.7 MB Notification: Performance of Transformations before backend: time 0.0001344/0.6392, allocations: 0 / 491.9 MB, free: 12.57 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 538 * Number of variables: 538 Notification: Performance of Generate backend data structure: time 0.01132/0.6505, allocations: 3.497 MB / 495.4 MB, free: 9.09 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.551e-05/0.6506, allocations: 11.98 kB / 495.4 MB, free: 9.078 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001618/0.6522, allocations: 0.5007 MB / 495.9 MB, free: 8.586 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003872/0.6561, allocations: 1.686 MB / 497.6 MB, free: 6.945 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003401/0.6564, allocations: 274.7 kB / 497.9 MB, free: 6.668 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004647/0.6569, allocations: 210.2 kB / 498.1 MB, free: 6.473 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007633/0.6645, allocations: 3.667 MB / 0.49 GB, free: 2.637 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.071e-05/0.6646, allocations: 5.969 kB / 0.49 GB, free: 2.633 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002785/0.6648, allocations: 79.33 kB / 0.4901 GB, free: 2.566 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004075/0.6652, allocations: 259.9 kB / 0.4903 GB, free: 2.316 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00661/0.6718, allocations: 3.094 MB / 0.4934 GB, free: 15.24 MB / 442.7 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02303/0.6949, allocations: 9.747 MB / 0.5029 GB, free: 5.543 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004938/0.6998, allocations: 2.078 MB / 0.5049 GB, free: 3.465 MB / 442.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002738/0.7026, allocations: 1.295 MB / 0.5062 GB, free: 2.176 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.1552/0.8577, allocations: 3.465 MB / 0.5096 GB, free: 185.2 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.331e-05/0.8578, allocations: 59.86 kB / 0.5096 GB, free: 185.1 MB / 442.7 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.000744/0.8585, allocations: 147.2 kB / 0.5097 GB, free: 185.1 MB / 442.7 MB Notification: Performance of pre-optimization done (n=170): time 4.579e-06/0.8585, allocations: 2.812 kB / 0.5098 GB, free: 185.1 MB / 442.7 MB Notification: Performance of matching and sorting (n=196): time 0.02256/0.8811, allocations: 8.929 MB / 0.5185 GB, free: 184.6 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.266e-05/0.8811, allocations: 75.53 kB / 0.5185 GB, free: 184.5 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001847/0.883, allocations: 1.487 MB / 0.52 GB, free: 184.3 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002148/0.8832, allocations: 65.08 kB / 0.5201 GB, free: 184.3 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005413/0.8837, allocations: 1.074 MB / 0.5211 GB, free: 183.9 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004998/0.8842, allocations: 0.7037 MB / 0.5218 GB, free: 183.5 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006549/0.8849, allocations: 458.2 kB / 0.5222 GB, free: 183.5 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 4.176e-05/0.8849, allocations: 301.1 kB / 0.5225 GB, free: 183.2 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001784/0.8867, allocations: 1.228 MB / 0.5237 GB, free: 183.2 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002144/0.8889, allocations: 1.8 MB / 0.5255 GB, free: 182.5 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003776/0.8926, allocations: 3.152 MB / 0.5286 GB, free: 181.1 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.069e-05/0.8926, allocations: 7.344 kB / 0.5286 GB, free: 181.1 MB / 442.7 MB Notification: Performance of matching and sorting (n=298) (initialization): time 0.006426/0.8991, allocations: 4.306 MB / 0.5328 GB, free: 179.4 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.648e-05/0.8991, allocations: 12 kB / 0.5328 GB, free: 179.4 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.484e-05/0.8991, allocations: 23.05 kB / 0.5328 GB, free: 179.4 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01338/0.9125, allocations: 3.737 MB / 0.5364 GB, free: 176.5 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001238/0.9137, allocations: 325.7 kB / 0.5368 GB, free: 176.3 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005899/0.9196, allocations: 4.009 MB / 0.5407 GB, free: 172.7 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002173/0.9218, allocations: 97.86 kB / 0.5408 GB, free: 172.6 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002781/0.9221, allocations: 116 kB / 0.5409 GB, free: 172.5 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002554/0.9247, allocations: 1.676 MB / 0.5425 GB, free: 170.9 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001913/0.9266, allocations: 1.751 MB / 0.5442 GB, free: 168.9 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003646/0.9302, allocations: 3.037 MB / 0.5472 GB, free: 165.7 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.535e-05/0.9302, allocations: 4.625 kB / 0.5472 GB, free: 165.7 MB / 442.7 MB Notification: Performance of matching and sorting (n=298) (initialization_lambda0): time 0.006052/0.9363, allocations: 4.059 MB / 0.5512 GB, free: 161.7 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.204e-05/0.9363, allocations: 12 kB / 0.5512 GB, free: 161.7 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.319e-05/0.9363, allocations: 19.94 kB / 0.5512 GB, free: 161.7 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00959/0.9459, allocations: 2.799 MB / 0.5539 GB, free: 159 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001607/0.9475, allocations: 363.7 kB / 0.5543 GB, free: 158.6 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005237/0.9528, allocations: 3.517 MB / 0.5577 GB, free: 155.1 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002409/0.9552, allocations: 93.89 kB / 0.5578 GB, free: 155 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004049/0.9556, allocations: 117.1 kB / 0.5579 GB, free: 154.9 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 78 * Number of states: 0 () * Number of discrete variables: 4 (tank.inFlow[2],tank.inFlow[1],tank.regularFlow[2],tank.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 173 * 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 {(18,107)} Notification: Performance of prepare postOptimizeDAE: time 0.0008011/0.9564, allocations: 320.8 kB / 0.5582 GB, free: 154.6 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008944/0.9573, allocations: 274.6 kB / 0.5585 GB, free: 154.4 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007172/0.9644, allocations: 3.903 MB / 0.5623 GB, free: 150.5 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.855e-05/0.9645, allocations: 24 kB / 0.5623 GB, free: 150.5 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.848e-05/0.9645, allocations: 0 / 0.5623 GB, free: 150.5 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004987/0.9695, allocations: 3.357 MB / 0.5656 GB, free: 147 MB / 442.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00982/0.9793, allocations: 5.661 MB / 0.5711 GB, free: 141.4 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.12e-05/0.9793, allocations: 0 / 0.5711 GB, free: 141.4 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001361/0.9807, allocations: 315.1 kB / 0.5714 GB, free: 141.1 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.003976/0.9846, allocations: 1.197 MB / 0.5726 GB, free: 139.9 MB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002636/0.9849, allocations: 73.7 kB / 0.5727 GB, free: 139.9 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007404/0.9923, allocations: 10.43 MB / 0.5828 GB, free: 128.9 MB / 442.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.326e-06/0.9923, allocations: 7.172 kB / 0.5828 GB, free: 128.9 MB / 442.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008629/1.001, allocations: 5.198 MB / 0.5879 GB, free: 123.7 MB / 442.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.001399/1.002, allocations: 0.5001 MB / 0.5884 GB, free: 123.2 MB / 442.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005666/1.003, allocations: 59.92 kB / 0.5885 GB, free: 123.1 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001666/1.005, allocations: 83.14 kB / 0.5885 GB, free: 123.1 MB / 442.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003847/1.005, allocations: 176 kB / 0.5887 GB, free: 122.9 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001814/1.005, allocations: 83.95 kB / 0.5888 GB, free: 122.8 MB / 442.7 MB Notification: Performance of sorting global known variables: time 0.001108/1.006, allocations: 0.9549 MB / 0.5897 GB, free: 121.9 MB / 442.7 MB Notification: Performance of sort global known variables: time 7e-08/1.006, allocations: 0 / 0.5897 GB, free: 121.9 MB / 442.7 MB Notification: Performance of remove unused functions: time 0.004439/1.011, allocations: 1.726 MB / 0.5914 GB, free: 120.3 MB / 442.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 10 (tank.level,tank.medium.T,heater.mediums[1].p,heater.mediums[1].T,radiator.mediums[1].p,radiator.mediums[1].T,pipe.mediums[1].p,pipe.mediums[1].T,pipe.mediums[2].p,pipe.mediums[2].T) * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (181): * Single equations (assignments): 167 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 8 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 5 systems {(1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,2,100.0%), (1,6,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,9), (2,8), (5,17)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002138/1.013, allocations: 1.094 MB / 0.5925 GB, free: 119.5 MB / 442.7 MB Notification: Performance of simCode: created initialization part: time 0.009262/1.022, allocations: 4.837 MB / 0.5972 GB, free: 114.8 MB / 442.7 MB Notification: Performance of simCode: created event and clocks part: time 5.881e-06/1.022, allocations: 0.9375 kB / 0.5972 GB, free: 114.8 MB / 442.7 MB Notification: Performance of simCode: created simulation system equations: time 0.003584/1.026, allocations: 2.15 MB / 0.5993 GB, free: 112.6 MB / 442.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004041/1.03, allocations: 0.9935 MB / 0.6003 GB, free: 111.6 MB / 442.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008161/1.038, allocations: 5.465 MB / 0.6056 GB, free: 106.1 MB / 442.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009963/1.039, allocations: 1.322 MB / 0.6069 GB, free: 104.8 MB / 442.7 MB Notification: Performance of simCode: alias equations: time 0.002474/1.041, allocations: 0.9105 MB / 0.6078 GB, free: 103.9 MB / 442.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005013/1.042, allocations: 180.4 kB / 0.608 GB, free: 103.7 MB / 442.7 MB Notification: Performance of SimCode: time 1.433e-06/1.042, allocations: 0 / 0.608 GB, free: 103.7 MB / 442.7 MB Notification: Performance of Templates: time 0.07835/1.12, allocations: 66.61 MB / 0.673 GB, free: 37.23 MB / 442.7 MB " [Timeout remaining time 659] make -j1 -f Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe ; mkfifo Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe >> ../files/Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.sim & ./Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Fluid.Examples.HeatingSystem.pipe 2>&1) [Timeout 480] [Calling os._exit(0), Time elapsed: 8.529135495075025]