Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.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: "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.SpringDamperSeries,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_SpringDamperSeries",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.MultiBody.Forces.SpringDamperSeries,fileNamePrefix="ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_SpringDamperSeries",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001472/0.001472, allocations: 106.8 kB / 16.41 MB, free: 6.457 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001456/0.001456, allocations: 185.5 kB / 17.34 MB, free: 5.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.354/1.354, allocations: 205.1 MB / 223.2 MB, free: 12.21 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2102/0.2102, allocations: 43.53 MB / 314.1 MB, free: 444 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 0.001993/0.001993, allocations: 77.61 kB / 441.3 MB, free: 6.145 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09801/0.1, allocations: 57.79 MB / 499.1 MB, free: 12.28 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.SpringDamperSeries): time 0.01213/0.1122, allocations: 10.57 MB / 0.4977 GB, free: 1.66 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.007491/0.1197, allocations: 3.245 MB / 0.5009 GB, free: 14.41 MB / 398.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001568/0.1213, allocations: 51.88 kB / 0.501 GB, free: 14.36 MB / 398.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004819/0.1262, allocations: 2.367 MB / 0.5033 GB, free: 11.98 MB / 398.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00362/0.1299, allocations: 1.213 MB / 0.5044 GB, free: 10.76 MB / 398.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001465/0.1313, allocations: 0.5185 MB / 0.505 GB, free: 10.24 MB / 398.1 MB Notification: Performance of NFFlatten.flatten: time 0.004533/0.1359, allocations: 2.983 MB / 0.5079 GB, free: 7.25 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003888/0.1398, allocations: 3.029 MB / 0.5108 GB, free: 4.168 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002098/0.1419, allocations: 1.285 MB / 0.5121 GB, free: 2.879 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002583/0.1445, allocations: 1.725 MB / 0.5138 GB, free: 1.148 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006566/0.1452, allocations: 296 kB / 0.514 GB, free: 0.8594 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001864/0.1471, allocations: 0.9831 MB / 0.515 GB, free: 15.88 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.00157/0.1487, allocations: 1.605 MB / 0.5166 GB, free: 14.27 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.002156/0.1509, allocations: 1.98 MB / 0.5185 GB, free: 12.27 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007309/0.1582, allocations: 6.298 MB / 0.5247 GB, free: 5.949 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.552e-06/0.1582, allocations: 0 / 0.5247 GB, free: 5.949 MB / 414.1 MB Notification: Performance of FrontEnd: time 2.204e-06/0.1582, allocations: 0 / 0.5247 GB, free: 5.949 MB / 414.1 MB Notification: Performance of Transformations before backend: time 0.0001405/0.1584, allocations: 0 / 0.5247 GB, free: 5.949 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: 1473 * Number of variables: 1473 Notification: Performance of Generate backend data structure: time 0.008589/0.167, allocations: 4.367 MB / 0.5289 GB, free: 1.508 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.462e-05/0.167, allocations: 15.89 kB / 0.5289 GB, free: 1.492 MB / 414.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001053/0.1681, allocations: 0.703 MB / 0.5296 GB, free: 0.7773 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.2048/0.3729, allocations: 1.826 MB / 0.5314 GB, free: 36.68 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003306/0.3762, allocations: 1.781 MB / 0.5331 GB, free: 36.33 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.00017/0.3764, allocations: 226.1 kB / 0.5334 GB, free: 36.32 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007575/0.3772, allocations: 302 kB / 0.5337 GB, free: 36.32 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01977/0.397, allocations: 10.63 MB / 0.544 GB, free: 32.7 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001253/0.3972, allocations: 44.16 kB / 0.5441 GB, free: 32.68 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004464/0.3976, allocations: 148.2 kB / 0.5442 GB, free: 32.61 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.003778/0.4014, allocations: 2.043 MB / 0.5462 GB, free: 32.24 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0196/0.421, allocations: 9.321 MB / 0.5553 GB, free: 28.58 MB / 414.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04082/0.4619, allocations: 37.9 MB / 0.5923 GB, free: 7.066 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01151/0.4735, allocations: 4.177 MB / 0.5964 GB, free: 2.723 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.003496/0.477, allocations: 2.309 MB / 0.5987 GB, free: 412 kB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.009374/0.4864, allocations: 6.028 MB / 0.6045 GB, free: 10.18 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.71e-05/0.4865, allocations: 57.44 kB / 0.6046 GB, free: 10.11 MB / 446.1 MB Notification: Performance of pre-optimization done (n=181): time 4.819e-06/0.4866, allocations: 4 kB / 0.6046 GB, free: 10.11 MB / 446.1 MB Notification: Performance of matching and sorting (n=210): time 0.06513/0.5517, allocations: 22.16 MB / 0.6262 GB, free: 3.797 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.727e-05/0.5518, allocations: 149.8 kB / 0.6264 GB, free: 3.621 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004992/0.5568, allocations: 3.395 MB / 0.6297 GB, free: 224 kB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0004095/0.5573, allocations: 57.7 kB / 0.6298 GB, free: 160 kB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.00221/0.5595, allocations: 2.916 MB / 0.6326 GB, free: 13.21 MB / 478.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.001047/0.5606, allocations: 0.8217 MB / 0.6334 GB, free: 12.38 MB / 478.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001803/0.5624, allocations: 1.207 MB / 0.6346 GB, free: 11.16 MB / 478.1 MB Notification: Performance of setup shared object (initialization): time 0.0001227/0.5625, allocations: 305.1 kB / 0.6349 GB, free: 10.86 MB / 478.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003611/0.5661, allocations: 2.335 MB / 0.6372 GB, free: 8.523 MB / 478.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006365/0.5725, allocations: 5.781 MB / 0.6428 GB, free: 1.027 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.01127/0.5838, allocations: 8.803 MB / 0.6514 GB, free: 6.523 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001014/0.584, allocations: 36 kB / 0.6514 GB, free: 6.488 MB / 494.1 MB Notification: Performance of matching and sorting (n=775) (initialization): time 0.01665/0.6006, allocations: 8.69 MB / 0.6599 GB, free: 13.77 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 9.769e-05/0.6008, allocations: 60 kB / 0.66 GB, free: 13.71 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001698/0.601, allocations: 120 kB / 0.6601 GB, free: 13.6 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002917/0.6039, allocations: 1.042 MB / 0.6611 GB, free: 12.54 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004874/0.6088, allocations: 1.376 MB / 0.6625 GB, free: 11.16 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00659/0.6154, allocations: 5.831 MB / 0.6681 GB, free: 5.051 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004608/0.62, allocations: 319.6 kB / 0.6685 GB, free: 4.738 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001111/0.6212, allocations: 360 kB / 0.6688 GB, free: 4.387 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 553 * Number of states: 0 () * Number of discrete variables: 36 (prismatic1.boxColor[3],prismatic1.boxColor[2],prismatic1.boxColor[1],universal1.cylinderColor[3],universal1.cylinderColor[2],universal1.cylinderColor[1],pointMass.sphereColor[3],pointMass.sphereColor[2],pointMass.sphereColor[1],s1.color[3],s1.color[2],s1.color[1],s1.massColor[3],s1.massColor[2],s1.massColor[1],sps1.color[3],sps1.color[2],sps1.color[1],sps1.color_b[3],sps1.color_b[2],sps1.color_b[1],sps1.color_a[3],sps1.color_a[2],sps1.color_a[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 (734): * Single equations (assignments): 727 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(3,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,9,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.004028/0.6252, allocations: 1.947 MB / 0.6707 GB, free: 2.43 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007648/0.626, allocations: 330 kB / 0.671 GB, free: 2.105 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007766/0.6338, allocations: 3.947 MB / 0.6749 GB, free: 14.13 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.537e-05/0.6339, allocations: 24 kB / 0.6749 GB, free: 14.11 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.779e-05/0.6339, allocations: 8 kB / 0.6749 GB, free: 14.1 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.838e-05/0.6339, allocations: 7.969 kB / 0.6749 GB, free: 14.09 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01617/0.6501, allocations: 8.803 MB / 0.6835 GB, free: 5.188 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.688e-05/0.6502, allocations: 0 / 0.6835 GB, free: 5.188 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001812/0.652, allocations: 355.4 kB / 0.6838 GB, free: 4.84 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002608/0.6546, allocations: 0.8662 MB / 0.6847 GB, free: 3.961 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002518/0.6549, allocations: 32 kB / 0.6847 GB, free: 3.93 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005714/0.6606, allocations: 5.132 MB / 0.6897 GB, free: 14.52 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.846e-06/0.6606, allocations: 0 / 0.6897 GB, free: 14.52 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01144/0.6721, allocations: 6.896 MB / 0.6965 GB, free: 7.582 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001644/0.6738, allocations: 0.6978 MB / 0.6971 GB, free: 6.863 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005236/0.6743, allocations: 35.94 kB / 0.6972 GB, free: 6.828 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001485/0.6758, allocations: 115.8 kB / 0.6973 GB, free: 6.715 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003789/0.6762, allocations: 125 kB / 0.6974 GB, free: 6.594 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001651/0.6764, allocations: 52 kB / 0.6975 GB, free: 6.543 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.003387/0.6798, allocations: 2.081 MB / 0.6995 GB, free: 4.469 MB / 0.5294 GB Notification: Performance of sort global known variables: time 5.51e-07/0.6798, allocations: 4 kB / 0.6995 GB, free: 4.465 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.004816/0.6846, allocations: 0.9687 MB / 0.7004 GB, free: 3.496 MB / 0.5294 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 7 (sps1.s_damper,universal1.phi_a,universal1.phi_b,universal1.w_a,universal1.w_b,prismatic1.s,prismatic1.v) * 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 (178): * Single equations (assignments): 171 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(3,100.0%), (3,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,6,100.0%), (1,4,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.01141/0.696, allocations: 7.548 MB / 0.7078 GB, free: 11.91 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.01046/0.7065, allocations: 6.141 MB / 0.7138 GB, free: 5.723 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 5.02e-06/0.7066, allocations: 4.188 kB / 0.7138 GB, free: 5.719 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.004473/0.7111, allocations: 2.472 MB / 0.7162 GB, free: 3.18 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002316/0.7134, allocations: 356.2 kB / 0.7166 GB, free: 2.832 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2847/0.9981, allocations: 44.18 MB / 0.7597 GB, free: 183.7 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004555/1.003, allocations: 3.019 MB / 0.7627 GB, free: 182.9 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.004717/1.007, allocations: 1.873 MB / 0.7645 GB, free: 182.9 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002395/1.01, allocations: 1.711 MB / 0.7662 GB, free: 181.6 MB / 0.5762 GB Notification: Performance of SimCode: time 2.164e-06/1.01, allocations: 0 / 0.7662 GB, free: 181.6 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1021/1.112, allocations: 64.35 MB / 0.829 GB, free: 132 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 18.36/19.47, allocations: 0 / 0.829 GB, free: 132 MB / 0.5762 GB (rm -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.sim & python3 -m fmpy simulate --output-file ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 ModelicaTest_3_2_3_ModelicaTest_MultiBody_Forces_SpringDamperSeries.fmu > ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.pipe 2>&1) diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/MultiBody/Forces/SpringDamperSeries/SpringDamperSeries.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.SpringDamperSeries.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches