Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001621/0.001621, allocations: 112.4 kB / 21.17 MB, free: 0.6172 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001752/0.001752, allocations: 205.6 kB / 24.46 MB, free: 4.023 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo): time 1.468/1.468, allocations: 230.4 MB / 258.1 MB, free: 8.133 MB / 206.1 MB " [Timeout remaining time 178] Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: translateModel(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5028,variableFilter="time|inertia.phi|inertia.w",fileNamePrefix="Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b") translateModel(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5028,variableFilter="time|inertia.phi|inertia.w",fileNamePrefix="Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b") [Timeout 660] "Warning: Requested package Modelica of version trunk, but this package was already loaded with version 4.1.0. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package Complex of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package ModelicaServices of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.00204/0.00204, allocations: 67.83 kB / 378.8 MB, free: 2.828 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3124/0.3145, allocations: 53.31 MB / 432.1 MB, free: 7.348 MB / 334.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b): time 0.0243/0.3388, allocations: 20.55 MB / 452.6 MB, free: 2.707 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.01642/0.3552, allocations: 6.224 MB / 458.9 MB, free: 12.46 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.004838/0.36, allocations: 167.4 kB / 459 MB, free: 12.3 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01286/0.3729, allocations: 6.433 MB / 465.5 MB, free: 5.848 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.009754/0.3827, allocations: 3.498 MB / 469 MB, free: 2.336 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004185/0.3868, allocations: 1.658 MB / 470.6 MB, free: 0.6758 MB / 366.1 MB Notification: Performance of NFFlatten.flatten: time 0.01982/0.4067, allocations: 12.96 MB / 483.6 MB, free: 3.691 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.00877/0.4154, allocations: 5.772 MB / 489.4 MB, free: 13.83 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007647/0.4231, allocations: 3.762 MB / 493.1 MB, free: 10.06 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.009479/0.4326, allocations: 5.355 MB / 498.5 MB, free: 4.688 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002735/0.4353, allocations: 0.7461 MB / 499.2 MB, free: 3.941 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004791/0.4401, allocations: 1.736 MB / 0.4892 GB, free: 2.203 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00665/0.4467, allocations: 4.504 MB / 0.4936 GB, free: 13.69 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.008415/0.4551, allocations: 4.639 MB / 0.4981 GB, free: 9.023 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01862/0.4738, allocations: 14.16 MB / 0.512 GB, free: 10.81 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 9.117e-06/0.4738, allocations: 7.875 kB / 0.512 GB, free: 10.8 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.304e-06/0.4738, allocations: 0 / 0.512 GB, free: 10.8 MB / 430.1 MB Notification: Performance of Transformations before backend: time 0.0004408/0.4742, allocations: 0 / 0.512 GB, free: 10.8 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2488 * Number of variables: 2488 Notification: Performance of Generate backend data structure: time 0.02871/0.5029, allocations: 10.27 MB / 0.522 GB, free: 436 kB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.327e-05/0.503, allocations: 8.031 kB / 0.522 GB, free: 428 kB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.04725/0.5502, allocations: 5.33 MB / 0.5272 GB, free: 11.07 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02195/0.5722, allocations: 8.122 MB / 0.5352 GB, free: 2.891 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005048/0.5727, allocations: 445.1 kB / 0.5356 GB, free: 2.457 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002706/0.5754, allocations: 0.6129 MB / 0.5362 GB, free: 1.844 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.4716/1.047, allocations: 17.12 MB / 0.5529 GB, free: 87 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003542/1.047, allocations: 100.4 kB / 0.553 GB, free: 86.96 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001016/1.048, allocations: 280.5 kB / 0.5533 GB, free: 86.82 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.004057/1.052, allocations: 2.856 MB / 0.5561 GB, free: 85.86 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02641/1.079, allocations: 14.03 MB / 0.5698 GB, free: 72.89 MB / 446.1 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 0.08406/1.163, allocations: 69.78 MB / 0.6379 GB, free: 2.133 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0225/1.185, allocations: 7.958 MB / 0.6457 GB, free: 10.03 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.007094/1.192, allocations: 4.352 MB / 0.6499 GB, free: 5.668 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.02956/1.222, allocations: 12.78 MB / 0.6624 GB, free: 8.824 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.114e-05/1.222, allocations: 72.5 kB / 0.6625 GB, free: 8.746 MB / 478.1 MB Notification: Performance of pre-optimization done (n=293): time 6.742e-06/1.222, allocations: 0 / 0.6625 GB, free: 8.746 MB / 478.1 MB Notification: Performance of matching and sorting (n=359): time 0.2182/1.44, allocations: 52.76 MB / 0.714 GB, free: 4.41 MB / 0.5138 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002662/1.441, allocations: 398.2 kB / 0.7144 GB, free: 3.934 MB / 0.5138 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01547/1.456, allocations: 7.281 MB / 0.7215 GB, free: 12.78 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.001054/1.457, allocations: 77.7 kB / 0.7216 GB, free: 12.7 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.005291/1.462, allocations: 5.386 MB / 0.7268 GB, free: 7.453 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.002579/1.465, allocations: 1.387 MB / 0.7282 GB, free: 6.055 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.006025/1.471, allocations: 1.925 MB / 0.73 GB, free: 4.117 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001423/1.471, allocations: 305.1 kB / 0.7303 GB, free: 3.816 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.008474/1.48, allocations: 4.715 MB / 0.7349 GB, free: 15.09 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01397/1.494, allocations: 9.538 MB / 0.7443 GB, free: 3.215 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.2856/1.779, allocations: 15 MB / 0.7589 GB, free: 170.4 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001471/1.779, allocations: 46.16 kB / 0.7589 GB, free: 170.4 MB / 0.545 GB Notification: Performance of matching and sorting (n=1220) (initialization): time 0.04201/1.821, allocations: 20.41 MB / 0.7789 GB, free: 164 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001437/1.822, allocations: 77.84 kB / 0.779 GB, free: 164 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002314/1.822, allocations: 164 kB / 0.7791 GB, free: 164 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0221/1.844, allocations: 7.331 MB / 0.7863 GB, free: 162.8 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006752/1.851, allocations: 2 MB / 0.7882 GB, free: 162.5 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04615/1.897, allocations: 36.59 MB / 0.824 GB, free: 126.2 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008866/1.906, allocations: 0.599 MB / 0.8245 GB, free: 125.6 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001799/1.907, allocations: 0.5065 MB / 0.825 GB, free: 125.1 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 749 * Number of states: 0 () * Number of discrete variables: 72 (rod3.color[3],rod3.color[2],rod3.color[1],rod1.color[3],rod1.color[2],rod1.color[1],cylinder.boxColor[3],cylinder.boxColor[2],cylinder.boxColor[1],b2.cylinderColor[3],b2.cylinderColor[2],b2.cylinderColor[1],b1.cylinderColor[3],b1.cylinderColor[2],b1.cylinderColor[1],cylPosition.color[3],cylPosition.color[2],cylPosition.color[1],mid.color[3],mid.color[2],mid.color[1],crank4.color[3],crank4.color[2],crank4.color[1],crank4.body.sphereColor[3],crank4.body.sphereColor[2],crank4.body.sphereColor[1],crank3.color[3],crank3.color[2],crank3.color[1],crank3.body.sphereColor[3],crank3.body.sphereColor[2],crank3.body.sphereColor[1],crank2.color[3],crank2.color[2],crank2.color[1],crank2.body.sphereColor[3],crank2.body.sphereColor[2],crank2.body.sphereColor[1],crank1.color[3],crank1.color[2],crank1.color[1],crank1.body.sphereColor[3],crank1.body.sphereColor[2],crank1.body.sphereColor[1],bearing.cylinderColor[3],bearing.cylinderColor[2],bearing.cylinderColor[1],connectingRod.color[3],connectingRod.color[2],connectingRod.color[1],connectingRod.body.sphereColor[3],connectingRod.body.sphereColor[2],connectingRod.body.sphereColor[1],piston.color[3],piston.color[2],piston.color[1],piston.body.sphereColor[3],piston.body.sphereColor[2],piston.body.sphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1081): * Single equations (assignments): 1075 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(8,96,51.6%), (3,5,88.9%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,4)} Notification: Performance of prepare postOptimizeDAE: time 0.006889/1.914, allocations: 3.596 MB / 0.8285 GB, free: 121.6 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001972/1.916, allocations: 0.6879 MB / 0.8292 GB, free: 121.3 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02907/1.945, allocations: 13.84 MB / 0.8427 GB, free: 107.4 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.502e-05/1.945, allocations: 36 kB / 0.8428 GB, free: 107.4 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.175e-05/1.946, allocations: 20 kB / 0.8428 GB, free: 107.3 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.892e-05/1.946, allocations: 15.94 kB / 0.8428 GB, free: 107.3 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05498/2.001, allocations: 27.63 MB / 0.8698 GB, free: 79.4 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.744e-05/2.001, allocations: 8.688 kB / 0.8698 GB, free: 79.39 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002282/2.003, allocations: 471.3 kB / 0.8702 GB, free: 78.93 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01972/2.023, allocations: 6.966 MB / 0.877 GB, free: 71.95 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007918/2.023, allocations: 64 kB / 0.8771 GB, free: 71.88 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04131/2.065, allocations: 35.36 MB / 0.9116 GB, free: 36.34 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.164e-06/2.065, allocations: 7.938 kB / 0.9116 GB, free: 36.33 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03537/2.1, allocations: 19.66 MB / 0.9308 GB, free: 16.52 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002935/2.103, allocations: 0.7374 MB / 0.9316 GB, free: 15.76 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002382/2.105, allocations: 67.98 kB / 0.9316 GB, free: 15.7 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004754/2.11, allocations: 325.3 kB / 0.9319 GB, free: 15.38 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001226/2.111, allocations: 250.9 kB / 0.9322 GB, free: 15.13 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005212/2.112, allocations: 98.95 kB / 0.9323 GB, free: 15.04 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.006845/2.119, allocations: 4.646 MB / 0.9368 GB, free: 10.43 MB / 0.545 GB Notification: Performance of sort global known variables: time 2.01e-07/2.119, allocations: 0 / 0.9368 GB, free: 10.43 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.008967/2.128, allocations: 2.198 MB / 0.939 GB, free: 8.234 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 26 * Number of states: 2 (inertia.phi,inertia.w) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (231): * Single equations (assignments): 225 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(7,90,55.1%), (2,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001023/2.129, allocations: 223.4 kB / 0.9392 GB, free: 8.02 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.02149/2.15, allocations: 11.51 MB / 0.9504 GB, free: 12.47 MB / 0.5607 GB Notification: Performance of simCode: created event and clocks part: time 1.47e-05/2.15, allocations: 0.9375 kB / 0.9504 GB, free: 12.47 MB / 0.5607 GB Notification: Performance of simCode: created simulation system equations: time 0.3025/2.453, allocations: 4.897 MB / 0.9552 GB, free: 194.8 MB / 0.5607 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.008407/2.461, allocations: 1.007 MB / 0.9562 GB, free: 194.7 MB / 0.5607 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04009/2.501, allocations: 20.77 MB / 0.9765 GB, free: 188.5 MB / 0.5607 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007508/2.509, allocations: 5.724 MB / 0.982 GB, free: 186.7 MB / 0.5607 GB Notification: Performance of simCode: alias equations: time 0.006125/2.515, allocations: 2.693 MB / 0.9847 GB, free: 186.6 MB / 0.5607 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001553/2.517, allocations: 398.8 kB / 0.9851 GB, free: 186.3 MB / 0.5607 GB Notification: Performance of SimCode: time 1.473e-06/2.517, allocations: 2.531 kB / 0.9851 GB, free: 186.3 MB / 0.5607 GB Notification: Performance of Templates: time 0.1402/2.657, allocations: 98.74 MB / 1.081 GB, free: 90.48 MB / 0.5607 GB " [Timeout remaining time 657] make -j1 -f Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.makefile [Timeout 660] (rm -f Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe ; mkfifo Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe ; head -c 1048576 < Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe >> ../files/Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.sim & ./Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b -abortSlowSimulation -alarm=480 -s cvode -emit_protected -lv LOG_STATS > Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.pipe 2>&1) [Timeout 480] diffSimulationResults("Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Mechanics/MultiBody/Examples/Loops/Engine1b/Engine1b.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Modelica_4.1.0-beta.om_Modelica.Mechanics.MultiBody.Examples.Loops.Engine1b.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 9.828452691901475]