Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.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 0.001474/0.001474, allocations: 102.1 kB / 19.7 MB, free: 2.254 MB / 14.72 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 0.002246/0.002246, allocations: 220.2 kB / 23.01 MB, free: 4.609 MB / 14.72 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 1.715/1.715, allocations: 230.6 MB / 256.8 MB, free: 8.059 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.x/package.mo): time 2.76/2.76, allocations: 476.8 MB / 0.7714 GB, free: 4.285 MB / 0.6231 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.1-maint.11.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: translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="mat",numberOfIntervals=86400,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7") translateModel(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7,tolerance=1e-06,outputFormat="mat",numberOfIntervals=86400,variableFilter="time|mean.y|reference.y.1.|assEqu.diff|assEqu.threShold|assEqu.satisfied",fileNamePrefix="Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7") [Timeout 300] "Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002077/0.002077, allocations: 70.09 kB / 1.119 GB, free: 40.39 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3546/0.3567, allocations: 170 MB / 1.285 GB, free: 11.25 MB / 0.9825 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7): time 0.2099/0.5666, allocations: 161.6 MB / 1.442 GB, free: 8.984 MB / 1.139 GB Notification: Performance of NFInst.instExpressions: time 0.03945/0.6061, allocations: 22.29 MB / 1.464 GB, free: 2.629 MB / 1.154 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003271/0.6093, allocations: 91.19 kB / 1.464 GB, free: 2.539 MB / 1.154 GB Notification: Performance of NFTyping.typeComponents: time 0.002554/0.6119, allocations: 1.391 MB / 1.466 GB, free: 1.145 MB / 1.154 GB Notification: Performance of NFTyping.typeBindings: time 0.003022/0.6149, allocations: 1.082 MB / 1.467 GB, free: 60 kB / 1.154 GB Notification: Performance of NFTyping.typeClassSections: time 0.002179/0.6171, allocations: 0.5874 MB / 1.467 GB, free: 15.47 MB / 1.17 GB Notification: Performance of NFFlatten.flatten: time 0.003182/0.6203, allocations: 1.731 MB / 1.469 GB, free: 13.73 MB / 1.17 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001541/0.6218, allocations: 0.7798 MB / 1.47 GB, free: 12.93 MB / 1.17 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001396/0.6232, allocations: 0.7631 MB / 1.47 GB, free: 12.16 MB / 1.17 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001821/0.625, allocations: 1.312 MB / 1.472 GB, free: 10.85 MB / 1.17 GB Notification: Performance of NFPackage.collectConstants: time 0.0001702/0.6252, allocations: 95.94 kB / 1.472 GB, free: 10.75 MB / 1.17 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003785/0.6256, allocations: 143.9 kB / 1.472 GB, free: 10.61 MB / 1.17 GB Notification: Performance of NFScalarize.scalarize: time 0.0004251/0.626, allocations: 424 kB / 1.472 GB, free: 10.2 MB / 1.17 GB Notification: Performance of NFVerifyModel.verify: time 0.0007363/0.6267, allocations: 0.6674 MB / 1.473 GB, free: 9.523 MB / 1.17 GB Notification: Performance of NFConvertDAE.convert: time 0.002315/0.629, allocations: 1.625 MB / 1.475 GB, free: 7.891 MB / 1.17 GB Notification: Performance of FrontEnd - DAE generated: time 5.3e-06/0.629, allocations: 0 / 1.475 GB, free: 7.891 MB / 1.17 GB Notification: Performance of FrontEnd: time 1.653e-06/0.629, allocations: 0 / 1.475 GB, free: 7.891 MB / 1.17 GB Notification: Performance of Transformations before backend: time 2.86e-05/0.6291, allocations: 0 / 1.475 GB, free: 7.891 MB / 1.17 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 157 * Number of variables: 157 Notification: Performance of Generate backend data structure: time 0.003651/0.6327, allocations: 1.984 MB / 1.477 GB, free: 5.863 MB / 1.17 GB Notification: Performance of prepare preOptimizeDAE: time 4.181e-05/0.6328, allocations: 11.97 kB / 1.477 GB, free: 5.852 MB / 1.17 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003697/0.6331, allocations: 195.7 kB / 1.477 GB, free: 5.66 MB / 1.17 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001501/0.6346, allocations: 0.8321 MB / 1.478 GB, free: 4.797 MB / 1.17 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001832/0.6348, allocations: 112.7 kB / 1.478 GB, free: 4.676 MB / 1.17 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001195/0.6349, allocations: 72 kB / 1.478 GB, free: 4.605 MB / 1.17 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001402/0.6363, allocations: 0.7137 MB / 1.478 GB, free: 3.863 MB / 1.17 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.788e-05/0.6364, allocations: 7.984 kB / 1.478 GB, free: 3.855 MB / 1.17 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.334e-05/0.6364, allocations: 31.98 kB / 1.479 GB, free: 3.824 MB / 1.17 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.115e-05/0.6365, allocations: 16 kB / 1.479 GB, free: 3.809 MB / 1.17 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001192/0.6377, allocations: 0.5398 MB / 1.479 GB, free: 3.27 MB / 1.17 GB 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 0.00583/0.6435, allocations: 3.576 MB / 1.483 GB, free: 15.41 MB / 1.186 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001432/0.6449, allocations: 0.5739 MB / 1.483 GB, free: 14.83 MB / 1.186 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007535/0.6457, allocations: 351.5 kB / 1.483 GB, free: 14.49 MB / 1.186 GB Notification: Performance of preOpt evalFunc (simulation): time 5.43e-05/0.6457, allocations: 8.5 kB / 1.483 GB, free: 14.48 MB / 1.186 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008303/0.6466, allocations: 376.1 kB / 1.484 GB, free: 14.1 MB / 1.186 GB Notification: Performance of pre-optimization done (n=65): time 2.946e-06/0.6466, allocations: 3.938 kB / 1.484 GB, free: 14.1 MB / 1.186 GB Notification: Performance of matching and sorting (n=65): time 0.005386/0.6519, allocations: 1.677 MB / 1.485 GB, free: 12.41 MB / 1.186 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.338e-05/0.652, allocations: 64 kB / 1.485 GB, free: 12.34 MB / 1.186 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003517/0.6555, allocations: 2.288 MB / 1.488 GB, free: 10.04 MB / 1.186 GB Notification: Performance of collectPreVariables (initialization): time 0.000128/0.6557, allocations: 41.7 kB / 1.488 GB, free: 9.996 MB / 1.186 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008926/0.6565, allocations: 0.7233 MB / 1.488 GB, free: 9.27 MB / 1.186 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003375/0.6569, allocations: 226.2 kB / 1.489 GB, free: 9.047 MB / 1.186 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002272/0.6571, allocations: 130.7 kB / 1.489 GB, free: 8.91 MB / 1.186 GB Notification: Performance of setup shared object (initialization): time 0.0002004/0.6573, allocations: 334 kB / 1.489 GB, free: 8.578 MB / 1.186 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006789/0.658, allocations: 281.8 kB / 1.489 GB, free: 8.305 MB / 1.186 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008196/0.6588, allocations: 416.8 kB / 1.49 GB, free: 7.848 MB / 1.186 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001473/0.6603, allocations: 0.6689 MB / 1.49 GB, free: 7.129 MB / 1.186 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.306e-06/0.6603, allocations: 3.984 kB / 1.49 GB, free: 7.125 MB / 1.186 GB Notification: Performance of matching and sorting (n=93) (initialization): time 0.002887/0.6632, allocations: 1.123 MB / 1.492 GB, free: 5.992 MB / 1.186 GB Notification: Performance of prepare postOptimizeDAE: time 2.97e-05/0.6632, allocations: 8 kB / 1.492 GB, free: 5.984 MB / 1.186 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.61e-05/0.6632, allocations: 4 kB / 1.492 GB, free: 5.98 MB / 1.186 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009258/0.6642, allocations: 269.3 kB / 1.492 GB, free: 5.715 MB / 1.186 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005744/0.6647, allocations: 119.8 kB / 1.492 GB, free: 5.598 MB / 1.186 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006636/0.6714, allocations: 3.603 MB / 1.495 GB, free: 1.887 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008314/0.6722, allocations: 91.52 kB / 1.496 GB, free: 1.797 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.792e-05/0.6723, allocations: 35.98 kB / 1.496 GB, free: 1.762 MB / 1.186 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 25 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition6,$PRE.intGai.nextTimeEvent,$whenCondition5,$PRE.reference.nextTimeEvent,$whenCondition4,$PRE.setTemp.nextTimeEvent,$whenCondition3,$whenCondition1,reference.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,assEqu.satisfied,$PRE.assEqu.satisfied,mean.y_last,$PRE.mean.y_last,$whenCondition2,intGai.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,setTemp.nextTimeEvent,setTemp.nextTimeEventScaled,$PRE.setTemp.nextTimeEventScaled,conHeaCoo.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 66 * 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 {(2,25)} Notification: Performance of prepare postOptimizeDAE: time 0.001062/0.6733, allocations: 460.1 kB / 1.496 GB, free: 1.305 MB / 1.186 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000407/0.6737, allocations: 170.9 kB / 1.496 GB, free: 1.137 MB / 1.186 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002561/0.6763, allocations: 1.018 MB / 1.497 GB, free: 96 kB / 1.186 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.243e-05/0.6763, allocations: 11.94 kB / 1.497 GB, free: 84 kB / 1.186 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.228e-06/0.6763, allocations: 0 / 1.497 GB, free: 84 kB / 1.186 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.818e-06/0.6763, allocations: 3.984 kB / 1.497 GB, free: 80 kB / 1.186 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004187/0.6805, allocations: 2.024 MB / 1.499 GB, free: 14 MB / 1.201 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.328e-06/0.6805, allocations: 0 / 1.499 GB, free: 14 MB / 1.201 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002914/0.6808, allocations: 59.95 kB / 1.499 GB, free: 13.94 MB / 1.201 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007782/0.6816, allocations: 277.3 kB / 1.499 GB, free: 13.66 MB / 1.201 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.625e-05/0.6816, allocations: 15.98 kB / 1.5 GB, free: 13.65 MB / 1.201 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007092/0.6887, allocations: 5.038 MB / 1.504 GB, free: 8.391 MB / 1.201 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.324e-06/0.6887, allocations: 0 / 1.504 GB, free: 8.391 MB / 1.201 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003342/0.6921, allocations: 1.41 MB / 1.506 GB, free: 6.957 MB / 1.201 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005432/0.6926, allocations: 202.7 kB / 1.506 GB, free: 6.758 MB / 1.201 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001351/0.6927, allocations: 16 kB / 1.506 GB, free: 6.742 MB / 1.201 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003988/0.6931, allocations: 31.97 kB / 1.506 GB, free: 6.711 MB / 1.201 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000212/0.6933, allocations: 76.52 kB / 1.506 GB, free: 6.633 MB / 1.201 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.605e-05/0.6934, allocations: 19.98 kB / 1.506 GB, free: 6.613 MB / 1.201 GB Notification: Performance of sorting global known variables: time 0.002351/0.6958, allocations: 1.656 MB / 1.508 GB, free: 4.965 MB / 1.201 GB Notification: Performance of sort global known variables: time 9e-08/0.6958, allocations: 0 / 1.508 GB, free: 4.965 MB / 1.201 GB Notification: Performance of remove unused functions: time 0.001223/0.697, allocations: 279.5 kB / 1.508 GB, free: 4.691 MB / 1.201 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 5 (mean.x,assEqu.diff,conHeaCoo.I.y,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,thermalZoneTwoElements.extWallRC.thermCapExt[1].T) * Number of discrete variables: 15 ($whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,mean.y_last,assEqu.nFai,assEqu.satisfied,setTemp.nextTimeEventScaled,setTemp.nextTimeEvent,reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 9 (intGai.nextTimeEvent,reference.nextTimeEvent,setTemp.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,setTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (39): * Single equations (assignments): 29 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 8 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,22)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002114/0.6991, allocations: 489.6 kB / 1.508 GB, free: 4.395 MB / 1.201 GB Notification: Performance of simCode: created initialization part: time 0.002358/0.7015, allocations: 0.8773 MB / 1.509 GB, free: 3.512 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 6.001e-06/0.7015, allocations: 64 / 1.509 GB, free: 3.512 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.001521/0.703, allocations: 0.6524 MB / 1.51 GB, free: 2.828 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001547/0.7045, allocations: 287.7 kB / 1.51 GB, free: 2.555 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006117/0.7106, allocations: 3.227 MB / 1.513 GB, free: 15.29 MB / 1.217 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001397/0.712, allocations: 1.314 MB / 1.515 GB, free: 13.95 MB / 1.217 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002619/0.7123, allocations: 59.44 kB / 1.515 GB, free: 13.89 MB / 1.217 GB Notification: Performance of SimCode: time 1.182e-06/0.7123, allocations: 0 / 1.515 GB, free: 13.89 MB / 1.217 GB Notification: Performance of Templates: time 0.04453/0.7568, allocations: 24.04 MB / 1.538 GB, free: 5.879 MB / 1.233 GB " [Timeout remaining time 299] make -j1 -f Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.makefile [Timeout 300] (rm -f Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; mkfifo Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe ; head -c 1048576 < Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe >> ../files/Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.sim & ./Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7 -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_ThermalZones_ReducedOrder_Validation_VDI6007_TestCase7.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase7.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 299] "" Variables in the reference:time,mean.y,reference.y[1],assEqu.diff,assEqu.threShold,assEqu.satisfied Variables in the result:assEqu.diff,assEqu.satisfied,assEqu.threShold,mean.y,reference.y[1],time [Calling sys.exit(0), Time elapsed: 16.664455124991946]