Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.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: "" <> buildModelFMU(ModelicaTest.Blocks.LimPID,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Blocks_LimPID",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ModelicaTest.Blocks.LimPID,fileNamePrefix="ModelicaTest_4_0_0_ModelicaTest_Blocks_LimPID",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 0.001149/0.001149, allocations: 104.5 kB / 17.63 MB, free: 5.344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001189/0.001188, allocations: 192 kB / 18.56 MB, free: 4.434 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.416/1.416, allocations: 222.9 MB / 242.3 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2112/0.2112, allocations: 44.18 MB / 336.6 MB, free: 2.723 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001416/0.001416, allocations: 60.72 kB / 408.5 MB, free: 27.11 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1538/0.1552, allocations: 60.82 MB / 469.4 MB, free: 14.26 MB / 350.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.Blocks.LimPID): time 0.006358/0.1617, allocations: 4.364 MB / 473.7 MB, free: 9.863 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.003366/0.1651, allocations: 1.554 MB / 475.3 MB, free: 8.301 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0005834/0.1657, allocations: 31.88 kB / 475.3 MB, free: 8.27 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0004056/0.1661, allocations: 158.2 kB / 475.5 MB, free: 8.113 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0003993/0.1666, allocations: 166.3 kB / 475.6 MB, free: 7.949 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001294/0.1679, allocations: 0.5894 MB / 476.2 MB, free: 7.367 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.001028/0.1689, allocations: 1.023 MB / 477.2 MB, free: 6.344 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006103/0.1695, allocations: 443.1 kB / 477.7 MB, free: 5.891 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003472/0.1699, allocations: 358.3 kB / 478 MB, free: 5.539 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0003665/0.1703, allocations: 389.7 kB / 478.4 MB, free: 5.156 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001233/0.1704, allocations: 88 kB / 478.5 MB, free: 5.07 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001201/0.1705, allocations: 92 kB / 478.6 MB, free: 4.98 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001644/0.1707, allocations: 203.2 kB / 478.8 MB, free: 4.781 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003408/0.171, allocations: 433.3 kB / 479.2 MB, free: 4.355 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0009059/0.1719, allocations: 0.985 MB / 480.2 MB, free: 3.367 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.152e-06/0.172, allocations: 0 / 480.2 MB, free: 3.367 MB / 350.1 MB Notification: Performance of FrontEnd: time 1.633e-06/0.172, allocations: 0 / 480.2 MB, free: 3.367 MB / 350.1 MB Notification: Performance of Transformations before backend: time 1.413e-05/0.172, allocations: 0 / 480.2 MB, free: 3.367 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 156 * Number of variables: 156 Notification: Performance of Generate backend data structure: time 0.001978/0.174, allocations: 1.292 MB / 481.5 MB, free: 2.023 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.364e-05/0.174, allocations: 12.03 kB / 481.5 MB, free: 2.012 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001272/0.1742, allocations: 106.7 kB / 481.6 MB, free: 1.898 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001755/0.1744, allocations: 115.5 kB / 481.7 MB, free: 1.785 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008453/0.1752, allocations: 0.6241 MB / 482.3 MB, free: 1.121 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.343e-05/0.1753, allocations: 45.69 kB / 482.4 MB, free: 1.074 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 9.494e-05/0.1754, allocations: 68.38 kB / 482.4 MB, free: 1.008 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001235/0.1766, allocations: 0.7428 MB / 483.2 MB, free: 212 kB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.993e-05/0.1767, allocations: 4 kB / 483.2 MB, free: 208 kB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.605e-05/0.1767, allocations: 24 kB / 483.2 MB, free: 184 kB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.86e-05/0.1767, allocations: 16 kB / 483.2 MB, free: 168 kB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001154/0.1779, allocations: 0.5387 MB / 483.8 MB, free: 15.62 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003287/0.1812, allocations: 2.722 MB / 486.5 MB, free: 12.8 MB / 366.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001331/0.1826, allocations: 0.6748 MB / 487.2 MB, free: 12.09 MB / 366.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005448/0.1831, allocations: 287.3 kB / 487.4 MB, free: 11.8 MB / 366.1 MB Notification: Performance of preOpt evalFunc (simulation): time 4.085e-05/0.1832, allocations: 7.984 kB / 487.4 MB, free: 11.79 MB / 366.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.085e-05/0.1832, allocations: 38.56 kB / 487.5 MB, free: 11.75 MB / 366.1 MB Notification: Performance of pre-optimization done (n=52): time 1.874e-06/0.1832, allocations: 4 kB / 487.5 MB, free: 11.74 MB / 366.1 MB Notification: Performance of matching and sorting (n=52): time 0.001778/0.185, allocations: 0.7966 MB / 488.3 MB, free: 10.95 MB / 366.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001363/0.1851, allocations: 235.3 kB / 488.5 MB, free: 10.66 MB / 366.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007872/0.1859, allocations: 0.7007 MB / 489.2 MB, free: 9.949 MB / 366.1 MB Notification: Performance of collectPreVariables (initialization): time 4.7e-05/0.186, allocations: 41.64 kB / 489.2 MB, free: 9.902 MB / 366.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003279/0.1863, allocations: 436.4 kB / 489.7 MB, free: 9.473 MB / 366.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0001596/0.1865, allocations: 177.4 kB / 489.8 MB, free: 9.297 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001651/0.1867, allocations: 110.2 kB / 490 MB, free: 9.184 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.000146/0.1868, allocations: 326 kB / 490.3 MB, free: 8.859 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005147/0.1873, allocations: 230.9 kB / 490.5 MB, free: 8.633 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006208/0.188, allocations: 372 kB / 490.9 MB, free: 8.215 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001087/0.1891, allocations: 0.5509 MB / 491.4 MB, free: 7.629 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.801e-06/0.1891, allocations: 3.938 kB / 491.4 MB, free: 7.625 MB / 366.1 MB Notification: Performance of matching and sorting (n=69) (initialization): time 0.002666/0.1918, allocations: 1.037 MB / 492.5 MB, free: 6.57 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.121e-05/0.1918, allocations: 4 kB / 492.5 MB, free: 6.566 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.456e-06/0.1918, allocations: 7.938 kB / 492.5 MB, free: 6.559 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00118/0.193, allocations: 315.4 kB / 492.8 MB, free: 6.238 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005338/0.1935, allocations: 127.8 kB / 492.9 MB, free: 6.113 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00893/0.2025, allocations: 7.259 MB / 0.4884 GB, free: 14.29 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006275/0.2031, allocations: 87.39 kB / 0.4885 GB, free: 14.2 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.616e-05/0.2032, allocations: 20 kB / 0.4885 GB, free: 14.18 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0006117/0.2038, allocations: 349.1 kB / 0.4889 GB, free: 13.84 MB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004713/0.2043, allocations: 328 kB / 0.4892 GB, free: 13.47 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008277/0.2051, allocations: 0.5009 MB / 0.4897 GB, free: 12.93 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.124e-06/0.2051, allocations: 0 / 0.4897 GB, free: 12.93 MB / 382.1 MB Notification: Performance of matching and sorting (n=69) (initialization_lambda0): time 0.001512/0.2067, allocations: 0.7355 MB / 0.4904 GB, free: 12.19 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.044e-05/0.2067, allocations: 4 kB / 0.4904 GB, free: 12.18 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.843e-06/0.2067, allocations: 4.281 kB / 0.4904 GB, free: 12.18 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004968/0.2072, allocations: 149.6 kB / 0.4905 GB, free: 12.03 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006967/0.2079, allocations: 171.8 kB / 0.4907 GB, free: 11.86 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003646/0.2116, allocations: 3.43 MB / 0.4941 GB, free: 8.145 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005087/0.2121, allocations: 71.44 kB / 0.4941 GB, free: 8.074 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.57e-05/0.2121, allocations: 20 kB / 0.4941 GB, free: 8.055 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 4 (PID4.I.local_reset,PID3.I.local_reset,PID2.I.local_reset,PID1.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 49 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(1,4), (1,4), (1,4), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002491/0.2124, allocations: 212.1 kB / 0.4943 GB, free: 7.84 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001917/0.2126, allocations: 90.88 kB / 0.4944 GB, free: 7.75 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002098/0.2128, allocations: 103.2 kB / 0.4945 GB, free: 7.648 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.131e-06/0.2128, allocations: 8 kB / 0.4945 GB, free: 7.641 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.671e-06/0.2128, allocations: 0 / 0.4945 GB, free: 7.641 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.414e-06/0.2129, allocations: 3.984 kB / 0.4945 GB, free: 7.637 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00104/0.2139, allocations: 0.735 MB / 0.4953 GB, free: 6.852 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.645e-06/0.2139, allocations: 0 / 0.4953 GB, free: 6.852 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005302/0.2144, allocations: 107.9 kB / 0.4954 GB, free: 6.746 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.446e-06/0.2145, allocations: 3.938 kB / 0.4954 GB, free: 6.742 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.748e-05/0.2145, allocations: 19.97 kB / 0.4954 GB, free: 6.723 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.24e-06/0.2145, allocations: 7.938 kB / 0.4954 GB, free: 6.715 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.665e-06/0.2145, allocations: 4 kB / 0.4954 GB, free: 6.711 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001813/0.2163, allocations: 1.205 MB / 0.4966 GB, free: 5.492 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.000229/0.2166, allocations: 211.8 kB / 0.4968 GB, free: 5.266 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.02e-05/0.2167, allocations: 12 kB / 0.4968 GB, free: 5.254 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004678/0.2172, allocations: 39.95 kB / 0.4968 GB, free: 5.215 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.282e-05/0.2173, allocations: 39.83 kB / 0.4969 GB, free: 5.176 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.107e-05/0.2173, allocations: 16 kB / 0.4969 GB, free: 5.16 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0005826/0.2179, allocations: 487 kB / 0.4973 GB, free: 4.688 MB / 382.1 MB Notification: Performance of sort global known variables: time 1.21e-07/0.2179, allocations: 0 / 0.4973 GB, free: 4.688 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.0009803/0.2189, allocations: 283.1 kB / 0.4976 GB, free: 4.41 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 8 (PID1.I.y,firstOrder1.y,PID2.I.y,firstOrder2.y,PID3.I.y,firstOrder3.y,PID4.I.y,firstOrder4.y) * 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 (52): * Single equations (assignments): 52 * 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 0.002072/0.221, allocations: 1.762 MB / 0.4993 GB, free: 2.613 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.003951/0.2249, allocations: 1.892 MB / 0.5012 GB, free: 0.6484 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 3.778e-06/0.225, allocations: 0 / 0.5012 GB, free: 0.6484 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0005639/0.2255, allocations: 289.5 kB / 0.5015 GB, free: 376 kB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001455/0.227, allocations: 247.9 kB / 0.5017 GB, free: 144 kB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2192/0.4463, allocations: 7.546 MB / 0.5091 GB, free: 45.34 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005825/0.4469, allocations: 0.9824 MB / 0.51 GB, free: 44.64 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0004814/0.4474, allocations: 85.69 kB / 0.5101 GB, free: 44.64 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003945/0.4478, allocations: 325.5 kB / 0.5104 GB, free: 44.38 MB / 382.1 MB Notification: Performance of SimCode: time 1.133e-06/0.4478, allocations: 0 / 0.5104 GB, free: 44.38 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05576/0.5035, allocations: 20.05 MB / 0.53 GB, free: 33.99 MB / 382.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 12.57/13.08, allocations: 7.938 kB / 0.53 GB, free: 33.98 MB / 382.1 MB (rm -f ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID_res.mat --tempDir=temp_ModelicaTest_4_0_0_ModelicaTest_Blocks_LimPID_fmu --startTime=0 --stopTime=10 --timeout=50 --tolerance=1e-06 ModelicaTest_4_0_0_ModelicaTest_Blocks_LimPID.fmu > ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.pipe 2>&1) diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Blocks/LimPID/LimPID.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Blocks.LimPID.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches