Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo) 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 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(ModelicaTest.MultiBody.Forces.Torque,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque") translateModel(ModelicaTest.MultiBody.Forces.Torque,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001243/0.001243, allocations: 102.1 kB / 16.41 MB, free: 6.488 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001264/0.001264, allocations: 185.5 kB / 17.34 MB, free: 5.742 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.443/1.443, allocations: 205.1 MB / 223.2 MB, free: 12.23 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.221/0.221, allocations: 43.52 MB / 314.1 MB, free: 460 kB / 254.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001691/0.001691, allocations: 65.47 kB / 441.8 MB, free: 5.617 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1437/0.1454, allocations: 57.8 MB / 499.6 MB, free: 11.75 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.Torque): time 0.01914/0.1646, allocations: 17.1 MB / 0.5046 GB, free: 10.57 MB / 398.1 MB Notification: Performance of NFInst.instExpressions: time 0.01385/0.1785, allocations: 5.117 MB / 0.5096 GB, free: 5.438 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.005326/0.1839, allocations: 111.7 kB / 0.5097 GB, free: 5.328 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01013/0.1941, allocations: 5.066 MB / 0.5147 GB, free: 252 kB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008234/0.2024, allocations: 2.719 MB / 0.5173 GB, free: 13.52 MB / 414.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.002961/0.2054, allocations: 1.076 MB / 0.5184 GB, free: 12.44 MB / 414.1 MB Notification: Performance of NFFlatten.flatten: time 0.01086/0.2163, allocations: 6.836 MB / 0.5251 GB, free: 5.582 MB / 414.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.297/0.5134, allocations: 5.924 MB / 0.5308 GB, free: 7.938 MB / 414.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.005428/0.5189, allocations: 2.559 MB / 0.5333 GB, free: 7.82 MB / 414.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.005981/0.5249, allocations: 3.481 MB / 0.5367 GB, free: 7.453 MB / 414.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001791/0.5267, allocations: 0.5457 MB / 0.5373 GB, free: 7.453 MB / 414.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003942/0.5307, allocations: 1.432 MB / 0.5387 GB, free: 7.453 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.004636/0.5353, allocations: 3.247 MB / 0.5418 GB, free: 7.133 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.007372/0.5427, allocations: 3.662 MB / 0.5454 GB, free: 5.852 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01711/0.5598, allocations: 11.38 MB / 0.5565 GB, free: 3.453 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.692e-06/0.5599, allocations: 4.562 kB / 0.5565 GB, free: 3.453 MB / 414.1 MB Notification: Performance of FrontEnd: time 2.094e-06/0.5599, allocations: 0 / 0.5565 GB, free: 3.453 MB / 414.1 MB Notification: Performance of Transformations before backend: time 0.0005087/0.5604, allocations: 0.5312 kB / 0.5565 GB, free: 3.453 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2391 * Number of variables: 2391 Notification: Performance of Generate backend data structure: time 0.02698/0.5874, allocations: 7.924 MB / 0.5643 GB, free: 14.75 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.115e-05/0.5875, allocations: 11.95 kB / 0.5643 GB, free: 14.75 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01597/0.6035, allocations: 2.829 MB / 0.567 GB, free: 13.3 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01308/0.6166, allocations: 4.593 MB / 0.5715 GB, free: 10.73 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006199/0.6172, allocations: 386.8 kB / 0.5719 GB, free: 10.6 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003844/0.6211, allocations: 0.4983 MB / 0.5724 GB, free: 10.48 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03829/0.6594, allocations: 15.64 MB / 0.5877 GB, free: 13.69 MB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003383/0.6598, allocations: 73.89 kB / 0.5877 GB, free: 13.65 MB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002105/0.6619, allocations: 243.5 kB / 0.588 GB, free: 13.46 MB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005804/0.6677, allocations: 3.061 MB / 0.591 GB, free: 10.44 MB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03137/0.6991, allocations: 13.24 MB / 0.6039 GB, free: 13.45 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.09576/0.795, allocations: 61.32 MB / 0.6638 GB, free: 15.45 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01663/0.8116, allocations: 6.656 MB / 0.6703 GB, free: 8.648 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006026/0.8177, allocations: 4.027 MB / 0.6742 GB, free: 4.605 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.03113/0.8489, allocations: 9.467 MB / 0.6835 GB, free: 11.05 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.55e-05/0.849, allocations: 63.84 kB / 0.6835 GB, free: 10.99 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=269): time 9.568e-06/0.849, allocations: 0 / 0.6835 GB, free: 10.99 MB / 0.5294 GB Notification: Performance of matching and sorting (n=311): time 0.1364/0.9854, allocations: 32.58 MB / 0.7153 GB, free: 10.24 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001797/0.9856, allocations: 239.9 kB / 0.7156 GB, free: 9.961 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01618/1.002, allocations: 6.99 MB / 0.7224 GB, free: 2.984 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.00123/1.003, allocations: 76.83 kB / 0.7225 GB, free: 2.906 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.005826/1.009, allocations: 4.76 MB / 0.7271 GB, free: 14.15 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.003019/1.012, allocations: 1.186 MB / 0.7283 GB, free: 12.98 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.005333/1.017, allocations: 1.914 MB / 0.7301 GB, free: 11.05 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001374/1.018, allocations: 313.1 kB / 0.7304 GB, free: 10.74 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007709/1.025, allocations: 3.918 MB / 0.7343 GB, free: 6.816 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01102/1.036, allocations: 9.241 MB / 0.7433 GB, free: 11.05 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.3206/1.357, allocations: 14.14 MB / 0.7571 GB, free: 193.4 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002063/1.357, allocations: 52.34 kB / 0.7571 GB, free: 193.4 MB / 0.5919 GB Notification: Performance of matching and sorting (n=1222) (initialization): time 0.03773/1.395, allocations: 14.98 MB / 0.7718 GB, free: 190.9 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001319/1.395, allocations: 85.44 kB / 0.7719 GB, free: 190.9 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002405/1.395, allocations: 183.6 kB / 0.772 GB, free: 190.9 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00613/1.401, allocations: 2.297 MB / 0.7743 GB, free: 190.5 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007745/1.409, allocations: 2.177 MB / 0.7764 GB, free: 190.3 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01781/1.427, allocations: 14.39 MB / 0.7904 GB, free: 183 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01113/1.438, allocations: 0.5393 MB / 0.791 GB, free: 182.8 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003019/1.441, allocations: 0.5511 MB / 0.7915 GB, free: 182.8 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 848 * Number of states: 0 () * Number of discrete variables: 63 (fixed4.color[3],fixed4.color[2],fixed4.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],torque2.connectionLineColor[3],torque2.connectionLineColor[2],torque2.connectionLineColor[1],torque2.torqueColor[3],torque2.torqueColor[2],torque2.torqueColor[1],torque1.connectionLineColor[3],torque1.connectionLineColor[2],torque1.connectionLineColor[1],torque1.torqueColor[3],torque1.torqueColor[2],torque1.torqueColor[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[1],fixed3.color[3],fixed3.color[2],fixed3.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[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 (1140): * Single equations (assignments): 1133 * Array equations: 5 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * 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): 2 systems {(2,23,100.0%), (2,23,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.01112/1.452, allocations: 3.232 MB / 0.7947 GB, free: 181.4 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001735/1.454, allocations: 0.5831 MB / 0.7952 GB, free: 181.4 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01407/1.468, allocations: 7.72 MB / 0.8028 GB, free: 177 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.749e-05/1.468, allocations: 34.19 kB / 0.8028 GB, free: 177 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.981e-05/1.468, allocations: 12 kB / 0.8028 GB, free: 177 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.632e-05/1.469, allocations: 15.09 kB / 0.8028 GB, free: 177 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03468/1.503, allocations: 16.05 MB / 0.8185 GB, free: 162.9 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.978e-05/1.503, allocations: 4 kB / 0.8185 GB, free: 162.8 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002691/1.506, allocations: 0.5149 MB / 0.819 GB, free: 162.3 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.004864/1.511, allocations: 2.043 MB / 0.821 GB, free: 160.3 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006618/1.512, allocations: 63.98 kB / 0.8211 GB, free: 160.2 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01469/1.526, allocations: 13.7 MB / 0.8344 GB, free: 146.4 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.212e-06/1.526, allocations: 8.812 kB / 0.8344 GB, free: 146.3 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01842/1.545, allocations: 12.27 MB / 0.8464 GB, free: 134.1 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005054/1.55, allocations: 1.181 MB / 0.8476 GB, free: 132.9 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002452/1.552, allocations: 56.78 kB / 0.8476 GB, free: 132.8 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004715/1.557, allocations: 229 kB / 0.8479 GB, free: 132.6 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008535/1.558, allocations: 191.9 kB / 0.848 GB, free: 132.4 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000259/1.558, allocations: 79.98 kB / 0.8481 GB, free: 132.3 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.01089/1.569, allocations: 4.475 MB / 0.8525 GB, free: 127.9 MB / 0.5919 GB Notification: Performance of sort global known variables: time 4.51e-07/1.569, allocations: 0 / 0.8525 GB, free: 127.9 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.01254/1.582, allocations: 1.731 MB / 0.8542 GB, free: 126.1 MB / 0.5919 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 8 (Revolute1.phi,Revolute1.w,Revolute3.phi,Revolute3.w,Revolute2.phi,Revolute2.w,Revolute4.phi,Revolute4.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 (254): * Single equations (assignments): 249 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * 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): 2 systems {(4,18,75.0%), (4,18,75.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0009987/1.583, allocations: 204.5 kB / 0.8544 GB, free: 125.9 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.01435/1.597, allocations: 9.476 MB / 0.8636 GB, free: 116.5 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 1.16e-05/1.597, allocations: 4 kB / 0.8636 GB, free: 116.5 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.005574/1.603, allocations: 3.724 MB / 0.8673 GB, free: 112.7 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005998/1.609, allocations: 0.7538 MB / 0.868 GB, free: 112 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03058/1.639, allocations: 16.06 MB / 0.8837 GB, free: 95.87 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006709/1.646, allocations: 4.897 MB / 0.8885 GB, free: 90.94 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.006582/1.653, allocations: 2.965 MB / 0.8914 GB, free: 87.97 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001412/1.654, allocations: 419.3 kB / 0.8918 GB, free: 87.56 MB / 0.5919 GB Notification: Performance of SimCode: time 1.302e-06/1.654, allocations: 0 / 0.8918 GB, free: 87.56 MB / 0.5919 GB Notification: Performance of Templates: time 0.1108/1.765, allocations: 66.32 MB / 0.9565 GB, free: 21.43 MB / 0.5919 GB make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.makefile (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.sim & ./ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/Torque/Torque.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.Torque.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches