Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.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/ScalableTestSuite 2.2.0-master/package.mo", uses=false) Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/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(ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="der.x.1..|der.x.200..|der.x.2..|der.x.3..|der.x.4..|der.x.5..|time|time|x.1.|x.200.|x.2.|x.3.|x.4.|x.5.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200") translateModel(ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="der.x.1..|der.x.200..|der.x.2..|der.x.3..|der.x.4..|der.x.5..|time|time|x.1.|x.200.|x.2.|x.3.|x.4.|x.5.",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001439/0.001439, allocations: 115.4 kB / 16.63 MB, free: 6.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001536/0.001536, allocations: 185.8 kB / 17.55 MB, free: 5.934 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.596/1.596, allocations: 222.9 MB / 241.2 MB, free: 15.43 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 1.695/1.695, allocations: 119.3 MB / 410.7 MB, free: 9.684 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001389/0.001389, allocations: 55.91 kB / 0.4918 GB, free: 12.69 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.8799/0.8813, allocations: 80.69 MB / 0.5706 GB, free: 43.84 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200): time 0.002819/0.8842, allocations: 1.252 MB / 0.5718 GB, free: 42.85 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0001781/0.8844, allocations: 21.41 kB / 0.5718 GB, free: 42.83 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 3e-05/0.8845, allocations: 1.375 kB / 0.5718 GB, free: 42.83 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 8.43e-05/0.8845, allocations: 0 / 0.5718 GB, free: 42.83 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 3.887e-05/0.8846, allocations: 7.984 kB / 0.5718 GB, free: 42.82 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001219/0.8847, allocations: 10.69 kB / 0.5718 GB, free: 42.82 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.0009675/0.8857, allocations: 0.9662 MB / 0.5728 GB, free: 42.32 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 7.696e-05/0.8858, allocations: 7.344 kB / 0.5728 GB, free: 42.32 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003235/0.8861, allocations: 341.9 kB / 0.5731 GB, free: 42.18 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005018/0.8866, allocations: 392.7 kB / 0.5735 GB, free: 41.95 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.0001218/0.8868, allocations: 49.91 kB / 0.5735 GB, free: 41.95 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001154/0.8869, allocations: 50.31 kB / 0.5736 GB, free: 41.95 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.0002778/0.8872, allocations: 338.8 kB / 0.5739 GB, free: 41.75 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0003537/0.8875, allocations: 362.3 kB / 0.5742 GB, free: 41.52 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0005755/0.8881, allocations: 0.6478 MB / 0.5749 GB, free: 41.15 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 7.454e-06/0.8881, allocations: 4 kB / 0.5749 GB, free: 41.14 MB / 462.3 MB Notification: Performance of FrontEnd: time 1.092e-06/0.8881, allocations: 9.781 kB / 0.5749 GB, free: 41.14 MB / 462.3 MB Notification: Performance of Transformations before backend: time 9.077e-06/0.8881, allocations: 0 / 0.5749 GB, free: 41.14 MB / 462.3 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 201 * Number of variables: 201 Notification: Performance of Generate backend data structure: time 0.003223/0.8914, allocations: 1.474 MB / 0.5763 GB, free: 40.18 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 5.266e-05/0.8914, allocations: 13.08 kB / 0.5763 GB, free: 40.17 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000233/0.8917, allocations: 81.47 kB / 0.5764 GB, free: 40.14 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000492/0.8922, allocations: 385.5 kB / 0.5768 GB, free: 39.82 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.21e-05/0.8922, allocations: 62.19 kB / 0.5768 GB, free: 39.79 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002626/0.8925, allocations: 168.8 kB / 0.577 GB, free: 39.71 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001695/0.8942, allocations: 1.005 MB / 0.578 GB, free: 39.14 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.78e-05/0.8942, allocations: 192 / 0.578 GB, free: 39.14 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.088e-05/0.8943, allocations: 38.41 kB / 0.578 GB, free: 39.11 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.337e-05/0.8944, allocations: 19.34 kB / 0.578 GB, free: 39.11 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000944/0.8953, allocations: 0.5935 MB / 0.5786 GB, free: 38.84 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003306/0.8986, allocations: 1.862 MB / 0.5804 GB, free: 37.8 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003545/0.9022, allocations: 2.182 MB / 0.5826 GB, free: 36.84 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001111/0.9033, allocations: 0.6934 MB / 0.5832 GB, free: 36.52 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 9.34e-05/0.9034, allocations: 23.94 kB / 0.5833 GB, free: 36.51 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.87e-05/0.9035, allocations: 52.56 kB / 0.5833 GB, free: 36.45 MB / 462.3 MB Notification: Performance of pre-optimization done (n=200): time 4.569e-06/0.9035, allocations: 0 / 0.5833 GB, free: 36.45 MB / 462.3 MB Notification: Performance of matching and sorting (n=200): time 0.002858/0.9064, allocations: 2.276 MB / 0.5855 GB, free: 34.16 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.633e-05/0.9064, allocations: 77.34 kB / 0.5856 GB, free: 34.07 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001249/0.9066, allocations: 97.86 kB / 0.5857 GB, free: 33.97 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 8.57e-05/0.9066, allocations: 57.7 kB / 0.5858 GB, free: 33.91 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 5.16e-05/0.9067, allocations: 91.2 kB / 0.5858 GB, free: 33.81 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005424/0.9073, allocations: 0.94 MB / 0.5868 GB, free: 32.86 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005168/0.9078, allocations: 487.4 kB / 0.5872 GB, free: 32.38 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 7.61e-05/0.9079, allocations: 314 kB / 0.5875 GB, free: 32.06 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001311/0.9092, allocations: 1.189 MB / 0.5887 GB, free: 30.87 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00151/0.9107, allocations: 1.416 MB / 0.5901 GB, free: 29.45 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.00277/0.9135, allocations: 2.447 MB / 0.5925 GB, free: 26.98 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.001e-06/0.9135, allocations: 0 / 0.5925 GB, free: 26.98 MB / 462.3 MB Notification: Performance of matching and sorting (n=401) (initialization): time 0.00344/0.9169, allocations: 3.173 MB / 0.5956 GB, free: 23.78 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 2.843e-05/0.917, allocations: 12.75 kB / 0.5956 GB, free: 23.77 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.133e-05/0.917, allocations: 0 / 0.5956 GB, free: 23.77 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 2.932e-05/0.917, allocations: 16 kB / 0.5956 GB, free: 23.75 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00284/0.9199, allocations: 1.018 MB / 0.5966 GB, free: 22.73 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.898e-05/0.9199, allocations: 16 kB / 0.5966 GB, free: 22.71 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008341/0.9208, allocations: 305.4 kB / 0.5969 GB, free: 22.41 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001202/0.9209, allocations: 92 kB / 0.597 GB, free: 22.32 MB / 462.3 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * 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 initialization (401): * Single equations (assignments): 401 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 0.0003947/0.9213, allocations: 325 kB / 0.5973 GB, free: 22 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001513/0.9215, allocations: 75.44 kB / 0.5974 GB, free: 21.92 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002589/0.9217, allocations: 162.9 kB / 0.5975 GB, free: 21.76 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.206e-05/0.9218, allocations: 24 kB / 0.5975 GB, free: 21.74 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.659e-05/0.9218, allocations: 0 / 0.5975 GB, free: 21.74 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.295e-05/0.9218, allocations: 11.95 kB / 0.5975 GB, free: 21.73 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00107/0.9229, allocations: 0.9507 MB / 0.5985 GB, free: 20.72 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.178e-06/0.9229, allocations: 0 / 0.5985 GB, free: 20.72 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004409/0.9273, allocations: 1.026 MB / 0.5995 GB, free: 19.7 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.888e-05/0.9273, allocations: 4 kB / 0.5995 GB, free: 19.69 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001921/0.9275, allocations: 127.9 kB / 0.5996 GB, free: 19.57 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.368e-06/0.9275, allocations: 8 kB / 0.5996 GB, free: 19.56 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.104e-06/0.9276, allocations: 0 / 0.5996 GB, free: 19.56 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002642/0.9302, allocations: 2.582 MB / 0.6021 GB, free: 16.95 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001191/0.9303, allocations: 159.9 kB / 0.6023 GB, free: 16.77 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000202/0.9305, allocations: 111.9 kB / 0.6024 GB, free: 16.66 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007493/0.9313, allocations: 131.8 kB / 0.6025 GB, free: 16.53 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001992/0.9315, allocations: 113.8 kB / 0.6026 GB, free: 16.42 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001004/0.9316, allocations: 59.95 kB / 0.6027 GB, free: 16.36 MB / 462.3 MB Notification: Performance of sorting global known variables: time 4.625e-05/0.9317, allocations: 83.28 kB / 0.6028 GB, free: 16.28 MB / 462.3 MB Notification: Performance of sort global known variables: time 1e-07/0.9317, allocations: 0 / 0.6028 GB, free: 16.28 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.001031/0.9327, allocations: 424 kB / 0.6032 GB, free: 15.87 MB / 462.3 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 200 (x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15],x[16],x[17],x[18],x[19],x[20],x[21],x[22],x[23],x[24],x[25],x[26],x[27],x[28],x[29],x[30],x[31],x[32],x[33],x[34],x[35],x[36],x[37],x[38],x[39],x[40],x[41],x[42],x[43],x[44],x[45],x[46],x[47],x[48],x[49],x[50],x[51],x[52],x[53],x[54],x[55],x[56],x[57],x[58],x[59],x[60],x[61],x[62],x[63],x[64],x[65],x[66],x[67],x[68],x[69],x[70],x[71],x[72],x[73],x[74],x[75],x[76],x[77],x[78],x[79],x[80],x[81],x[82],x[83],x[84],x[85],x[86],x[87],x[88],x[89],x[90],x[91],x[92],x[93],x[94],x[95],x[96],x[97],x[98],x[99],x[100],x[101],x[102],x[103],x[104],x[105],x[106],x[107],x[108],x[109],x[110],x[111],x[112],x[113],x[114],x[115],x[116],x[117],x[118],x[119],x[120],x[121],x[122],x[123],x[124],x[125],x[126],x[127],x[128],x[129],x[130],x[131],x[132],x[133],x[134],x[135],x[136],x[137],x[138],x[139],x[140],x[141],x[142],x[143],x[144],x[145],x[146],x[147],x[148],x[149],x[150],x[151],x[152],x[153],x[154],x[155],x[156],x[157],x[158],x[159],x[160],x[161],x[162],x[163],x[164],x[165],x[166],x[167],x[168],x[169],x[170],x[171],x[172],x[173],x[174],x[175],x[176],x[177],x[178],x[179],x[180],x[181],x[182],x[183],x[184],x[185],x[186],x[187],x[188],x[189],x[190],x[191],x[192],x[193],x[194],x[195],x[196],x[197],x[198],x[199],x[200]) * 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 (200): * Single equations (assignments): 200 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 0.0003389/0.933, allocations: 264 kB / 0.6034 GB, free: 15.59 MB / 462.3 MB Notification: Performance of simCode: created initialization part: time 0.00684/0.9399, allocations: 4.893 MB / 0.6082 GB, free: 10.7 MB / 462.3 MB Notification: Performance of simCode: created event and clocks part: time 5.6e-06/0.9399, allocations: 4.062 kB / 0.6082 GB, free: 10.7 MB / 462.3 MB Notification: Performance of simCode: created simulation system equations: time 0.00104/0.941, allocations: 0.8739 MB / 0.6091 GB, free: 9.824 MB / 462.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006247/0.9416, allocations: 70 kB / 0.6091 GB, free: 9.758 MB / 462.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004477/0.9461, allocations: 5.329 MB / 0.6143 GB, free: 4.391 MB / 462.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004595/0.9466, allocations: 1.148 MB / 0.6154 GB, free: 3.211 MB / 462.3 MB Notification: Performance of simCode: alias equations: time 0.001421/0.948, allocations: 0.7713 MB / 0.6162 GB, free: 2.434 MB / 462.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003331/0.9484, allocations: 95.44 kB / 0.6163 GB, free: 2.34 MB / 462.3 MB Notification: Performance of SimCode: time 1.623e-06/0.9484, allocations: 0 / 0.6163 GB, free: 2.34 MB / 462.3 MB Notification: Performance of Templates: time 0.02641/0.9748, allocations: 12.31 MB / 0.6283 GB, free: 6.039 MB / 478.3 MB make -j1 -f ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.makefile (rm -f ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.sim & ./ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200 -s=ida -abortSlowSimulation -alarm=300 -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.pipe 2>&1) diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200_res.mat","../files/ScalableTestSuite_ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_200.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches