Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|m_flow.1.|m_flow.2.|m_flow.3.|Nu_1.1.|Nu_1.2.|Nu_1.3.|Nu_2.1.|Nu_2.2.|Nu_2.3.|Nu_3.1.|Nu_3.2.|Nu_3.3.|Nu_4.1.|Nu_4.2.|Nu_4.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|mflow_test|input_mflow_0.y|input_mflow_1.y|input_mflow_2.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall") translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|cp.1.|cp.2.|cp.3.|eta.1.|eta.2.|eta.3.|lambda.1.|lambda.2.|lambda.3.|rho.1.|rho.2.|rho.3.|m_flow.1.|m_flow.2.|m_flow.3.|Nu_1.1.|Nu_1.2.|Nu_1.3.|Nu_2.1.|Nu_2.2.|Nu_2.3.|Nu_3.1.|Nu_3.2.|Nu_3.3.|Nu_4.1.|Nu_4.2.|Nu_4.3.|Re_1.1.|Re_1.2.|Re_1.3.|Re_2.1.|Re_2.2.|Re_2.3.|mflow_test|input_mflow_0.y|input_mflow_1.y|input_mflow_2.y",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001022/0.001022, allocations: 114.4 kB / 17.78 MB, free: 5.266 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001081/0.001081, allocations: 187.8 kB / 18.71 MB, free: 4.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.284/1.284, allocations: 222.9 MB / 242.4 MB, free: 15.19 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.1979/0.1979, allocations: 44.19 MB / 336.7 MB, free: 2.688 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001345/0.001345, allocations: 64.14 kB / 470.6 MB, free: 13.14 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3377/0.3391, allocations: 60.82 MB / 0.5189 GB, free: 3.887 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall): time 0.002903/0.3421, allocations: 2.223 MB / 0.5211 GB, free: 2.336 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.002423/0.3445, allocations: 2.038 MB / 0.5231 GB, free: 0.918 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 9.558e-05/0.3446, allocations: 2.562 kB / 0.5231 GB, free: 0.918 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002655/0.3449, allocations: 67.22 kB / 0.5232 GB, free: 0.8867 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002001/0.3451, allocations: 108.6 kB / 0.5233 GB, free: 0.8164 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0009975/0.3461, allocations: 421 kB / 0.5237 GB, free: 0.6367 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.0004898/0.3466, allocations: 0.5027 MB / 0.5242 GB, free: 432 kB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 8.073e-05/0.3467, allocations: 61.39 kB / 0.5242 GB, free: 400 kB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0002001/0.3469, allocations: 178.7 kB / 0.5244 GB, free: 316 kB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00026/0.3472, allocations: 205.1 kB / 0.5246 GB, free: 224 kB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 3.883e-05/0.3472, allocations: 17.75 kB / 0.5246 GB, free: 220 kB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001019/0.3482, allocations: 0.6423 MB / 0.5252 GB, free: 15.99 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001499/0.3484, allocations: 99.2 kB / 0.5253 GB, free: 15.95 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0002228/0.3486, allocations: 201.8 kB / 0.5255 GB, free: 15.83 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001012/0.3496, allocations: 0.7879 MB / 0.5263 GB, free: 15.35 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 5.129e-06/0.3497, allocations: 0 / 0.5263 GB, free: 15.35 MB / 398.1 MB Notification: Performance of FrontEnd: time 2.094e-06/0.3497, allocations: 1.375 kB / 0.5263 GB, free: 15.35 MB / 398.1 MB Notification: Performance of Transformations before backend: time 1.279e-05/0.3497, allocations: 0 / 0.5263 GB, free: 15.35 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 134 * Number of variables: 134 Notification: Performance of Generate backend data structure: time 0.001275/0.351, allocations: 0.8111 MB / 0.5271 GB, free: 14.68 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.882e-05/0.351, allocations: 9.219 kB / 0.5271 GB, free: 14.68 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001028/0.3511, allocations: 52.56 kB / 0.5271 GB, free: 14.65 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004364/0.3516, allocations: 297.5 kB / 0.5274 GB, free: 14.38 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.758e-05/0.3516, allocations: 37.69 kB / 0.5275 GB, free: 14.36 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.023e-05/0.3517, allocations: 52.53 kB / 0.5275 GB, free: 14.34 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001113/0.3528, allocations: 0.6959 MB / 0.5282 GB, free: 13.94 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.671e-05/0.3529, allocations: 0 / 0.5282 GB, free: 13.94 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.209e-05/0.3529, allocations: 24.84 kB / 0.5282 GB, free: 13.92 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.056e-05/0.3529, allocations: 28.95 kB / 0.5282 GB, free: 13.91 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0009822/0.3539, allocations: 0.489 MB / 0.5287 GB, free: 13.69 MB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002383/0.3563, allocations: 1.504 MB / 0.5302 GB, free: 12.61 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006099/0.3569, allocations: 323.8 kB / 0.5305 GB, free: 12.43 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003445/0.3573, allocations: 146.7 kB / 0.5306 GB, free: 12.36 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 5.763e-05/0.3574, allocations: 18.2 kB / 0.5306 GB, free: 12.35 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.623e-05/0.3574, allocations: 36.78 kB / 0.5307 GB, free: 12.31 MB / 398.1 MB Notification: Performance of pre-optimization done (n=23): time 1.733e-06/0.3574, allocations: 0 / 0.5307 GB, free: 12.31 MB / 398.1 MB Notification: Performance of matching and sorting (n=23): time 0.001307/0.3587, allocations: 0.5217 MB / 0.5312 GB, free: 12.08 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 7.446e-05/0.3588, allocations: 103.9 kB / 0.5313 GB, free: 11.95 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006561/0.3595, allocations: 0.563 MB / 0.5318 GB, free: 11.63 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 2.696e-05/0.3595, allocations: 26.67 kB / 0.5319 GB, free: 11.6 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001762/0.3597, allocations: 238 kB / 0.5321 GB, free: 11.39 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 6.548e-05/0.3598, allocations: 73.23 kB / 0.5322 GB, free: 11.33 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001446/0.3599, allocations: 79.22 kB / 0.5322 GB, free: 11.28 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0001504/0.3601, allocations: 364.6 kB / 0.5326 GB, free: 10.93 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003568/0.3604, allocations: 150.3 kB / 0.5327 GB, free: 10.87 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000412/0.3608, allocations: 247.2 kB / 0.533 GB, free: 10.68 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0007754/0.3616, allocations: 436.3 kB / 0.5334 GB, free: 10.41 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.815e-06/0.3616, allocations: 1.062 kB / 0.5334 GB, free: 10.41 MB / 398.1 MB Notification: Performance of matching and sorting (n=36) (initialization): time 0.0009748/0.3626, allocations: 482.2 kB / 0.5338 GB, free: 10.19 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.954e-05/0.3627, allocations: 11.38 kB / 0.5339 GB, free: 10.19 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.159e-05/0.3627, allocations: 41.73 kB / 0.5339 GB, free: 10.18 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.879e-05/0.3628, allocations: 6.281 kB / 0.5339 GB, free: 10.18 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001936/0.363, allocations: 33.59 kB / 0.5339 GB, free: 10.16 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.283e-05/0.363, allocations: 12.52 kB / 0.5339 GB, free: 10.16 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002979/0.3633, allocations: 62.27 kB / 0.534 GB, free: 10.12 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.905e-05/0.3633, allocations: 24.77 kB / 0.534 GB, free: 10.11 MB / 398.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 12 (m_flow_IN_con_4[3].target,m_flow_IN_con_4[2].target,m_flow_IN_con_4[1].target,m_flow_IN_con_3[3].target,m_flow_IN_con_3[2].target,m_flow_IN_con_3[1].target,m_flow_IN_con_2[3].target,m_flow_IN_con_2[2].target,m_flow_IN_con_2[1].target,m_flow_IN_con_1[3].target,m_flow_IN_con_1[2].target,m_flow_IN_con_1[1].target) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (30): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0002111/0.3635, allocations: 214.9 kB / 0.5342 GB, free: 9.941 MB / 398.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001196/0.3637, allocations: 46.53 kB / 0.5343 GB, free: 9.914 MB / 398.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000879/0.3646, allocations: 473.3 kB / 0.5347 GB, free: 9.672 MB / 398.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.446e-06/0.3646, allocations: 3.875 kB / 0.5347 GB, free: 9.672 MB / 398.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.229e-06/0.3646, allocations: 1.062 kB / 0.5347 GB, free: 9.672 MB / 398.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.7e-06/0.3646, allocations: 5.531 kB / 0.5347 GB, free: 9.668 MB / 398.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005752/0.3652, allocations: 404.2 kB / 0.5351 GB, free: 9.344 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.632e-05/0.3652, allocations: 43.86 kB / 0.5352 GB, free: 9.328 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001438/0.3654, allocations: 23.53 kB / 0.5352 GB, free: 9.32 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.336e-06/0.3654, allocations: 1.406 kB / 0.5352 GB, free: 9.32 MB / 398.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.035e-05/0.3654, allocations: 24.95 kB / 0.5352 GB, free: 9.305 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.544e-06/0.3655, allocations: 1.312 kB / 0.5352 GB, free: 9.305 MB / 398.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.754e-06/0.3655, allocations: 1.344 kB / 0.5352 GB, free: 9.305 MB / 398.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009061/0.3664, allocations: 0.6233 MB / 0.5358 GB, free: 8.875 MB / 398.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001324/0.3665, allocations: 129.6 kB / 0.5359 GB, free: 8.746 MB / 398.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.358e-05/0.3666, allocations: 1.438 kB / 0.5359 GB, free: 8.746 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002702/0.3668, allocations: 19.45 kB / 0.536 GB, free: 8.738 MB / 398.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.55e-05/0.3669, allocations: 28.94 kB / 0.536 GB, free: 8.723 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.733e-05/0.367, allocations: 12.91 kB / 0.536 GB, free: 8.719 MB / 398.1 MB Notification: Performance of sorting global known variables: time 0.0004372/0.3674, allocations: 418.1 kB / 0.5364 GB, free: 8.484 MB / 398.1 MB Notification: Performance of sort global known variables: time 1.51e-07/0.3674, allocations: 0 / 0.5364 GB, free: 8.484 MB / 398.1 MB Notification: Performance of remove unused functions: time 0.0006256/0.3681, allocations: 167.9 kB / 0.5366 GB, free: 8.449 MB / 398.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 0 () * 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 (17): * Single equations (assignments): 5 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0004169/0.3685, allocations: 238.4 kB / 0.5368 GB, free: 8.285 MB / 398.1 MB Notification: Performance of simCode: created initialization part: time 0.0009643/0.3695, allocations: 0.6682 MB / 0.5374 GB, free: 7.766 MB / 398.1 MB Notification: Performance of simCode: created event and clocks part: time 2.965e-06/0.3695, allocations: 1.125 kB / 0.5374 GB, free: 7.766 MB / 398.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005182/0.37, allocations: 490.2 kB / 0.5379 GB, free: 7.324 MB / 398.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006384/0.3706, allocations: 87.52 kB / 0.538 GB, free: 7.281 MB / 398.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001507/0.3722, allocations: 0.9245 MB / 0.5389 GB, free: 6.766 MB / 398.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000465/0.3726, allocations: 0.8866 MB / 0.5398 GB, free: 5.973 MB / 398.1 MB Notification: Performance of simCode: alias equations: time 0.0001845/0.3728, allocations: 77.48 kB / 0.5398 GB, free: 5.938 MB / 398.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.804e-05/0.3729, allocations: 36.47 kB / 0.5399 GB, free: 5.922 MB / 398.1 MB Notification: Performance of SimCode: time 3.51e-07/0.3729, allocations: 0 / 0.5399 GB, free: 5.922 MB / 398.1 MB Notification: Performance of Templates: time 0.01344/0.3864, allocations: 9.232 MB / 0.5489 GB, free: 12.92 MB / 414.1 MB make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.makefile (rm -f ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.sim & ./ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Channel/kc_evenGapOverall/kc_evenGapOverall.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Channel.kc_evenGapOverall.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches