Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_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: "" <> buildModelFMU(ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Thermal_Advection_ScaledExperiments_AdvectionReaction_N_200",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200,fileNamePrefix="ScalableTestSuite_ScalableTestSuite_Thermal_Advection_ScaledExperiments_AdvectionReaction_N_200",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 0.00131/0.00131, allocations: 103.8 kB / 16.92 MB, free: 5.855 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001419/0.001419, allocations: 191.3 kB / 17.85 MB, free: 5.176 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.367/1.367, allocations: 222.9 MB / 241.5 MB, free: 15.28 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 2.2.0-master/package.mo): time 1.003/1.003, allocations: 119.3 MB / 411 MB, free: 9.527 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001394/0.001394, allocations: 67.89 kB / 0.4911 GB, free: 13.6 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5111/0.5125, allocations: 80.69 MB / 0.5699 GB, free: 43.39 MB / 462.3 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200): time 0.001682/0.5142, allocations: 0.5135 MB / 0.5704 GB, free: 43.01 MB / 462.3 MB Notification: Performance of NFInst.instExpressions: time 0.0001639/0.5144, allocations: 26.08 kB / 0.5704 GB, free: 42.99 MB / 462.3 MB Notification: Performance of NFInst.updateImplicitVariability: time 2.872e-05/0.5144, allocations: 1.219 kB / 0.5704 GB, free: 42.99 MB / 462.3 MB Notification: Performance of NFTyping.typeComponents: time 6.171e-05/0.5145, allocations: 0 / 0.5704 GB, free: 42.99 MB / 462.3 MB Notification: Performance of NFTyping.typeBindings: time 1.516e-05/0.5145, allocations: 3.938 kB / 0.5704 GB, free: 42.98 MB / 462.3 MB Notification: Performance of NFTyping.typeClassSections: time 0.0001599/0.5147, allocations: 10.27 kB / 0.5704 GB, free: 42.98 MB / 462.3 MB Notification: Performance of NFFlatten.flatten: time 0.001462/0.5162, allocations: 2.03 MB / 0.5724 GB, free: 41.88 MB / 462.3 MB Notification: Performance of NFFlatten.resolveConnections: time 7.561e-05/0.5163, allocations: 7.438 kB / 0.5724 GB, free: 41.88 MB / 462.3 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001087/0.5173, allocations: 0.794 MB / 0.5732 GB, free: 41.56 MB / 462.3 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001471/0.5188, allocations: 1.039 MB / 0.5742 GB, free: 40.97 MB / 462.3 MB Notification: Performance of NFPackage.collectConstants: time 0.0003643/0.5192, allocations: 87.38 kB / 0.5743 GB, free: 40.97 MB / 462.3 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002395/0.5194, allocations: 86.94 kB / 0.5743 GB, free: 40.97 MB / 462.3 MB Notification: Performance of NFScalarize.scalarize: time 0.0003722/0.5198, allocations: 478.1 kB / 0.5748 GB, free: 40.65 MB / 462.3 MB Notification: Performance of NFVerifyModel.verify: time 0.0006924/0.5205, allocations: 0.5084 MB / 0.5753 GB, free: 40.29 MB / 462.3 MB Notification: Performance of NFConvertDAE.convert: time 0.0009616/0.5215, allocations: 1.129 MB / 0.5764 GB, free: 39.6 MB / 462.3 MB Notification: Performance of FrontEnd - DAE generated: time 5.741e-06/0.5215, allocations: 0 / 0.5764 GB, free: 39.6 MB / 462.3 MB Notification: Performance of FrontEnd: time 1.533e-06/0.5215, allocations: 0 / 0.5764 GB, free: 39.6 MB / 462.3 MB Notification: Performance of Transformations before backend: time 2.105e-05/0.5215, allocations: 0.9062 kB / 0.5764 GB, free: 39.6 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 0.01201/0.5336, allocations: 3.103 MB / 0.5794 GB, free: 37.82 MB / 462.3 MB Notification: Performance of prepare preOptimizeDAE: time 4.789e-05/0.5336, allocations: 13.95 kB / 0.5794 GB, free: 37.82 MB / 462.3 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000244/0.5339, allocations: 130.7 kB / 0.5796 GB, free: 37.71 MB / 462.3 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003097/0.5342, allocations: 84.91 kB / 0.5796 GB, free: 37.67 MB / 462.3 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008309/0.535, allocations: 483.9 kB / 0.5801 GB, free: 37.34 MB / 462.3 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.517e-05/0.5351, allocations: 61.91 kB / 0.5802 GB, free: 37.31 MB / 462.3 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003419/0.5354, allocations: 169 kB / 0.5803 GB, free: 37.23 MB / 462.3 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002823/0.5383, allocations: 1.708 MB / 0.582 GB, free: 36.27 MB / 462.3 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.545e-05/0.5383, allocations: 3.938 kB / 0.582 GB, free: 36.26 MB / 462.3 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001765/0.5385, allocations: 30.84 kB / 0.582 GB, free: 36.24 MB / 462.3 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.043e-05/0.5385, allocations: 18.91 kB / 0.582 GB, free: 36.24 MB / 462.3 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001788/0.5403, allocations: 1.091 MB / 0.5831 GB, free: 35.75 MB / 462.3 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003156/0.5435, allocations: 1.87 MB / 0.5849 GB, free: 34.05 MB / 462.3 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004807/0.5483, allocations: 3.686 MB / 0.5885 GB, free: 30.36 MB / 462.3 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001651/0.55, allocations: 1.178 MB / 0.5897 GB, free: 29.18 MB / 462.3 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0002093/0.5502, allocations: 22 kB / 0.5897 GB, free: 29.16 MB / 462.3 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.667e-05/0.5503, allocations: 52.5 kB / 0.5898 GB, free: 29.1 MB / 462.3 MB Notification: Performance of pre-optimization done (n=200): time 4.017e-06/0.5503, allocations: 4 kB / 0.5898 GB, free: 29.09 MB / 462.3 MB Notification: Performance of matching and sorting (n=200): time 0.005565/0.5558, allocations: 3.748 MB / 0.5934 GB, free: 25.33 MB / 462.3 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.86e-05/0.5559, allocations: 77.34 kB / 0.5935 GB, free: 25.25 MB / 462.3 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001116/0.556, allocations: 101.8 kB / 0.5936 GB, free: 25.14 MB / 462.3 MB Notification: Performance of collectPreVariables (initialization): time 0.0001704/0.5562, allocations: 57.7 kB / 0.5936 GB, free: 25.07 MB / 462.3 MB Notification: Performance of collectInitialEqns (initialization): time 3.652e-05/0.5563, allocations: 95.19 kB / 0.5937 GB, free: 24.98 MB / 462.3 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005745/0.5568, allocations: 0.9283 MB / 0.5946 GB, free: 24.04 MB / 462.3 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007521/0.5576, allocations: 0.4916 MB / 0.5951 GB, free: 23.54 MB / 462.3 MB Notification: Performance of setup shared object (initialization): time 5.455e-05/0.5577, allocations: 310 kB / 0.5954 GB, free: 23.23 MB / 462.3 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002228/0.5599, allocations: 1.684 MB / 0.5971 GB, free: 21.54 MB / 462.3 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002431/0.5623, allocations: 1.916 MB / 0.5989 GB, free: 19.61 MB / 462.3 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004781/0.5671, allocations: 3.458 MB / 0.6023 GB, free: 16.13 MB / 462.3 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.988e-06/0.5672, allocations: 3.938 kB / 0.6023 GB, free: 16.13 MB / 462.3 MB Notification: Performance of matching and sorting (n=401) (initialization): time 0.005764/0.5729, allocations: 4.161 MB / 0.6064 GB, free: 11.94 MB / 462.3 MB Notification: Performance of prepare postOptimizeDAE: time 2.809e-05/0.573, allocations: 8 kB / 0.6064 GB, free: 11.93 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.361e-05/0.573, allocations: 0 / 0.6064 GB, free: 11.93 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (initialization): time 3.411e-05/0.5731, allocations: 12 kB / 0.6064 GB, free: 11.92 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004/0.5771, allocations: 0.7841 MB / 0.6072 GB, free: 11.14 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.455e-05/0.5772, allocations: 15.94 kB / 0.6072 GB, free: 11.12 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002438/0.5796, allocations: 409.3 kB / 0.6076 GB, free: 10.72 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002766/0.5799, allocations: 92 kB / 0.6077 GB, free: 10.63 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 0.0006315/0.5805, allocations: 321.9 kB / 0.608 GB, free: 10.3 MB / 462.3 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002922/0.5808, allocations: 75.25 kB / 0.608 GB, free: 10.23 MB / 462.3 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0008417/0.5817, allocations: 346.9 kB / 0.6084 GB, free: 9.887 MB / 462.3 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.202e-05/0.5817, allocations: 20 kB / 0.6084 GB, free: 9.867 MB / 462.3 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.553e-05/0.5817, allocations: 0 / 0.6084 GB, free: 9.867 MB / 462.3 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.609e-05/0.5817, allocations: 11.95 kB / 0.6084 GB, free: 9.855 MB / 462.3 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002051/0.5838, allocations: 1.411 MB / 0.6098 GB, free: 8.395 MB / 462.3 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.342e-06/0.5838, allocations: 0 / 0.6098 GB, free: 8.395 MB / 462.3 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004384/0.5882, allocations: 0.5617 MB / 0.6103 GB, free: 7.832 MB / 462.3 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.627e-05/0.5882, allocations: 12 kB / 0.6103 GB, free: 7.82 MB / 462.3 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004116/0.5887, allocations: 131.8 kB / 0.6105 GB, free: 7.691 MB / 462.3 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.987e-06/0.5887, allocations: 4 kB / 0.6105 GB, free: 7.688 MB / 462.3 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.873e-06/0.5887, allocations: 0 / 0.6105 GB, free: 7.688 MB / 462.3 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005072/0.5938, allocations: 3.694 MB / 0.6141 GB, free: 3.957 MB / 462.3 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007244/0.5945, allocations: 423.6 kB / 0.6145 GB, free: 3.523 MB / 462.3 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003553/0.5949, allocations: 107.9 kB / 0.6146 GB, free: 3.418 MB / 462.3 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002199/0.5971, allocations: 231.7 kB / 0.6148 GB, free: 3.191 MB / 462.3 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004726/0.5976, allocations: 121.8 kB / 0.6149 GB, free: 3.074 MB / 462.3 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001794/0.5978, allocations: 59.97 kB / 0.615 GB, free: 3.016 MB / 462.3 MB Notification: Performance of sorting global known variables: time 4.599e-05/0.5978, allocations: 79.28 kB / 0.6151 GB, free: 2.938 MB / 462.3 MB Notification: Performance of sort global known variables: time 1.1e-07/0.5978, allocations: 0 / 0.6151 GB, free: 2.938 MB / 462.3 MB Notification: Performance of remove unused functions: time 0.001219/0.599, allocations: 0.5195 MB / 0.6156 GB, free: 2.418 MB / 462.3 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 200 (u[1],u[2],u[3],u[4],u[5],u[6],u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],u[16],u[17],u[18],u[19],u[20],u[21],u[22],u[23],u[24],u[25],u[26],u[27],u[28],u[29],u[30],u[31],u[32],u[33],u[34],u[35],u[36],u[37],u[38],u[39],u[40],u[41],u[42],u[43],u[44],u[45],u[46],u[47],u[48],u[49],u[50],u[51],u[52],u[53],u[54],u[55],u[56],u[57],u[58],u[59],u[60],u[61],u[62],u[63],u[64],u[65],u[66],u[67],u[68],u[69],u[70],u[71],u[72],u[73],u[74],u[75],u[76],u[77],u[78],u[79],u[80],u[81],u[82],u[83],u[84],u[85],u[86],u[87],u[88],u[89],u[90],u[91],u[92],u[93],u[94],u[95],u[96],u[97],u[98],u[99],u[100],u[101],u[102],u[103],u[104],u[105],u[106],u[107],u[108],u[109],u[110],u[111],u[112],u[113],u[114],u[115],u[116],u[117],u[118],u[119],u[120],u[121],u[122],u[123],u[124],u[125],u[126],u[127],u[128],u[129],u[130],u[131],u[132],u[133],u[134],u[135],u[136],u[137],u[138],u[139],u[140],u[141],u[142],u[143],u[144],u[145],u[146],u[147],u[148],u[149],u[150],u[151],u[152],u[153],u[154],u[155],u[156],u[157],u[158],u[159],u[160],u[161],u[162],u[163],u[164],u[165],u[166],u[167],u[168],u[169],u[170],u[171],u[172],u[173],u[174],u[175],u[176],u[177],u[178],u[179],u[180],u[181],u[182],u[183],u[184],u[185],u[186],u[187],u[188],u[189],u[190],u[191],u[192],u[193],u[194],u[195],u[196],u[197],u[198],u[199],u[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 0.005891/0.6049, allocations: 4.408 MB / 0.6199 GB, free: 13.97 MB / 478.3 MB Notification: Performance of simCode: created initialization part: time 0.01017/0.6151, allocations: 5.876 MB / 0.6256 GB, free: 8.094 MB / 478.3 MB Notification: Performance of simCode: created event and clocks part: time 5.761e-06/0.6152, allocations: 0 / 0.6256 GB, free: 8.094 MB / 478.3 MB Notification: Performance of simCode: created simulation system equations: time 0.002511/0.6177, allocations: 1.366 MB / 0.6269 GB, free: 6.73 MB / 478.3 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007528/0.6185, allocations: 68.06 kB / 0.627 GB, free: 6.664 MB / 478.3 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02396/0.6425, allocations: 17.92 MB / 0.6445 GB, free: 4.562 MB / 494.3 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007201/0.6432, allocations: 1.152 MB / 0.6456 GB, free: 3.379 MB / 494.3 MB Notification: Performance of simCode: alias equations: time 0.004059/0.6473, allocations: 1.021 MB / 0.6466 GB, free: 2.352 MB / 494.3 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001316/0.6487, allocations: 383.3 kB / 0.647 GB, free: 1.977 MB / 494.3 MB Notification: Performance of SimCode: time 9.72e-07/0.6487, allocations: 0 / 0.647 GB, free: 1.977 MB / 494.3 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06614/0.7148, allocations: 33.14 MB / 0.6794 GB, free: 0.9609 MB / 0.5139 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.12/10.84, allocations: 4.188 kB / 0.6794 GB, free: 0.957 MB / 0.5139 GB (rm -f ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.sim & python3 -m fmpy simulate --output-file ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200_res.csv --start-time 0 --stop-time 1 --timeout 300 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.004 ScalableTestSuite_ScalableTestSuite_Thermal_Advection_ScaledExperiments_AdvectionReaction_N_200.fmu > ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.pipe 2>&1) diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200_res.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ScalableTestSuite_ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_200.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches