Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.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/Buildings 10.1.1-maint.10.0.x/package.mo", uses=false) Using package Buildings with version 10.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/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(Buildings.Fluid.Movers.Examples.MoverContinuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pump_dp.m_flow|pump_m_flow.m_flow|pump_y.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous") translateModel(Buildings.Fluid.Movers.Examples.MoverContinuous,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|pump_dp.m_flow|pump_m_flow.m_flow|pump_y.m_flow",fileNamePrefix="Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001765/0.001765, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001849/0.001849, allocations: 191.4 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.476/1.476, allocations: 222.9 MB / 240.2 MB, free: 4.367 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.944/2.944, allocations: 437 MB / 0.7104 GB, free: 5.055 MB / 0.5606 GB Notification: Performance of FrontEnd - loaded program: time 0.001985/0.001985, allocations: 63.89 kB / 0.8692 GB, free: 4.641 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6396/0.6416, allocations: 151.6 MB / 1.017 GB, free: 2.578 MB / 0.7637 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.MoverContinuous): time 0.08855/0.7301, allocations: 75.63 MB / 1.091 GB, free: 6.688 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.04376/0.7739, allocations: 26.09 MB / 1.117 GB, free: 12.53 MB / 0.8731 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005158/0.7791, allocations: 123.4 kB / 1.117 GB, free: 12.41 MB / 0.8731 GB Notification: Performance of NFTyping.typeComponents: time 0.02312/0.8023, allocations: 12.74 MB / 1.129 GB, free: 15.65 MB / 0.8887 GB Notification: Performance of NFTyping.typeBindings: time 0.01295/0.8153, allocations: 3.779 MB / 1.133 GB, free: 11.86 MB / 0.8887 GB Notification: Performance of NFTyping.typeClassSections: time 0.008695/0.824, allocations: 3.061 MB / 1.136 GB, free: 8.809 MB / 0.8887 GB Notification: Performance of NFFlatten.flatten: time 0.03784/0.8619, allocations: 23.47 MB / 1.159 GB, free: 1.355 MB / 0.9044 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004328/0.8662, allocations: 2.635 MB / 1.161 GB, free: 14.66 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006354/0.8726, allocations: 2.997 MB / 1.164 GB, free: 11.66 MB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004246/0.8768, allocations: 2.342 MB / 1.167 GB, free: 9.312 MB / 0.92 GB Notification: Performance of NFPackage.collectConstants: time 0.0008837/0.8778, allocations: 348 kB / 1.167 GB, free: 8.973 MB / 0.92 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007388/0.8852, allocations: 3.096 MB / 1.17 GB, free: 5.871 MB / 0.92 GB Notification: Performance of NFScalarize.scalarize: time 0.002875/0.8881, allocations: 1.648 MB / 1.172 GB, free: 4.219 MB / 0.92 GB Notification: Performance of NFVerifyModel.verify: time 0.005044/0.8931, allocations: 2.468 MB / 1.174 GB, free: 1.738 MB / 0.92 GB Notification: Performance of NFConvertDAE.convert: time 0.01384/0.907, allocations: 7.859 MB / 1.182 GB, free: 9.855 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 1.29e-05/0.9071, allocations: 4 kB / 1.182 GB, free: 9.852 MB / 0.9356 GB Notification: Performance of FrontEnd: time 4.729e-06/0.9071, allocations: 0 / 1.182 GB, free: 9.852 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 0.0001464/0.9072, allocations: 3.938 kB / 1.182 GB, free: 9.848 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 379 * Number of variables: 379 Notification: Performance of Generate backend data structure: time 0.01307/0.9203, allocations: 5.535 MB / 1.187 GB, free: 4.215 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 4.298e-05/0.9204, allocations: 12.03 kB / 1.187 GB, free: 4.203 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008762/0.9291, allocations: 1.504 MB / 1.189 GB, free: 2.691 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01378/0.943, allocations: 6.781 MB / 1.195 GB, free: 11.84 MB / 0.9512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0008064/0.9438, allocations: 259.5 kB / 1.195 GB, free: 11.58 MB / 0.9512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004481/0.9443, allocations: 176 kB / 1.196 GB, free: 11.41 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005679/0.9499, allocations: 2.542 MB / 1.198 GB, free: 8.785 MB / 0.9512 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.407e-05/0.95, allocations: 7.984 kB / 1.198 GB, free: 8.777 MB / 0.9512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000191/0.9502, allocations: 64 kB / 1.198 GB, free: 8.715 MB / 0.9512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.647e-05/0.9502, allocations: 43.94 kB / 1.198 GB, free: 8.672 MB / 0.9512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006087/0.9563, allocations: 2.045 MB / 1.2 GB, free: 6.621 MB / 0.9512 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02262/0.979, allocations: 10.8 MB / 1.211 GB, free: 11.33 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.006195/0.9852, allocations: 1.701 MB / 1.212 GB, free: 9.621 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00238/0.9876, allocations: 0.7757 MB / 1.213 GB, free: 8.84 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.007343/0.995, allocations: 3.99 MB / 1.217 GB, free: 4.582 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.18e-05/0.9951, allocations: 47.06 kB / 1.217 GB, free: 4.527 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=68): time 3.357e-06/0.9951, allocations: 0 / 1.217 GB, free: 4.527 MB / 0.9669 GB Notification: Performance of matching and sorting (n=68): time 0.008467/1.004, allocations: 2.563 MB / 1.22 GB, free: 1.957 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.015e-05/1.004, allocations: 55.97 kB / 1.22 GB, free: 1.891 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008887/1.013, allocations: 5.225 MB / 1.225 GB, free: 12.68 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.000381/1.013, allocations: 53.69 kB / 1.225 GB, free: 12.62 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.002061/1.015, allocations: 1.892 MB / 1.227 GB, free: 10.72 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003893/1.015, allocations: 264.5 kB / 1.227 GB, free: 10.46 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00118/1.017, allocations: 0.721 MB / 1.228 GB, free: 9.727 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.000142/1.017, allocations: 305.1 kB / 1.228 GB, free: 9.426 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004279/1.021, allocations: 2.203 MB / 1.23 GB, free: 7.211 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005102/1.026, allocations: 3.075 MB / 1.233 GB, free: 3.797 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009228/1.035, allocations: 4.895 MB / 1.238 GB, free: 14.61 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.331e-05/1.035, allocations: 7.938 kB / 1.238 GB, free: 14.6 MB / 0.9981 GB Notification: Performance of matching and sorting (n=407) (initialization): time 0.01315/1.049, allocations: 5.687 MB / 1.243 GB, free: 8.898 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.483e-05/1.049, allocations: 13.25 kB / 1.243 GB, free: 8.887 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.392e-05/1.049, allocations: 24 kB / 1.243 GB, free: 8.863 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.745e-05/1.049, allocations: 32 kB / 1.243 GB, free: 8.832 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003874/1.053, allocations: 0.6516 MB / 1.244 GB, free: 8.18 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002657/1.055, allocations: 2.39 MB / 1.246 GB, free: 5.719 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003925/1.059, allocations: 414.4 kB / 1.247 GB, free: 5.312 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004626/1.06, allocations: 171.9 kB / 1.247 GB, free: 5.145 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005877/1.066, allocations: 2.984 MB / 1.25 GB, free: 2.152 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.5515/1.617, allocations: 2.845 MB / 1.253 GB, free: 217.7 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.009312/1.627, allocations: 4.451 MB / 1.257 GB, free: 216.5 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.674e-05/1.627, allocations: 9.781 kB / 1.257 GB, free: 216.5 MB / 0.9981 GB Notification: Performance of matching and sorting (n=407) (initialization_lambda0): time 0.01352/1.64, allocations: 5.232 MB / 1.262 GB, free: 214.8 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.914e-05/1.64, allocations: 14.33 kB / 1.262 GB, free: 214.8 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.576e-05/1.64, allocations: 21.12 kB / 1.262 GB, free: 214.8 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.796e-05/1.64, allocations: 32.81 kB / 1.262 GB, free: 214.8 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003522/1.644, allocations: 0.6628 MB / 1.263 GB, free: 214.7 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.547e-05/1.644, allocations: 44.48 kB / 1.263 GB, free: 214.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004132/1.648, allocations: 331 kB / 1.263 GB, free: 214.7 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005291/1.649, allocations: 162.1 kB / 1.263 GB, free: 214.7 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 95 * 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 (282): * Single equations (assignments): 269 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 7 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 3 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 3 systems {1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000662/1.649, allocations: 312.9 kB / 1.264 GB, free: 214.4 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00138/1.651, allocations: 415.8 kB / 1.264 GB, free: 214.4 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007135/1.658, allocations: 2.346 MB / 1.266 GB, free: 213.7 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.789e-05/1.658, allocations: 14.62 kB / 1.266 GB, free: 213.7 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.776e-06/1.658, allocations: 1.625 kB / 1.266 GB, free: 213.7 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.948e-05/1.658, allocations: 7.781 kB / 1.266 GB, free: 213.7 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01208/1.67, allocations: 4.881 MB / 1.271 GB, free: 211.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.859e-06/1.67, allocations: 5.5 kB / 1.271 GB, free: 211.7 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001667/1.672, allocations: 292.2 kB / 1.271 GB, free: 211.7 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002906/1.672, allocations: 106.4 kB / 1.271 GB, free: 211.7 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.77e-05/1.672, allocations: 33.28 kB / 1.272 GB, free: 211.7 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001249/1.674, allocations: 2.152 MB / 1.274 GB, free: 209.8 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.459e-06/1.674, allocations: 1.844 kB / 1.274 GB, free: 209.8 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005988/1.68, allocations: 2.265 MB / 1.276 GB, free: 208.9 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001903/1.681, allocations: 0.7045 MB / 1.277 GB, free: 208.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007074/1.682, allocations: 17.11 kB / 1.277 GB, free: 208.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002322/1.685, allocations: 160.2 kB / 1.277 GB, free: 208.4 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002206/1.685, allocations: 59.22 kB / 1.277 GB, free: 208.4 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000211/1.685, allocations: 53.86 kB / 1.277 GB, free: 208.3 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.007584/1.693, allocations: 3.515 MB / 1.28 GB, free: 207.1 MB / 0.9981 GB Notification: Performance of sort global known variables: time 5.21e-07/1.693, allocations: 0.875 kB / 1.28 GB, free: 207.1 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.006237/1.699, allocations: 1.867 MB / 1.282 GB, free: 206.9 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (86): * Single equations (assignments): 75 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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): 1 system {(1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.00203/1.701, allocations: 0.8255 MB / 1.283 GB, free: 206.8 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.01251/1.713, allocations: 6.283 MB / 1.289 GB, free: 204.7 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.095e-05/1.714, allocations: 1.969 kB / 1.289 GB, free: 204.7 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.002578/1.716, allocations: 0.8927 MB / 1.29 GB, free: 204.5 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.009296/1.725, allocations: 2.22 MB / 1.292 GB, free: 203.5 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01243/1.738, allocations: 7.361 MB / 1.299 GB, free: 196.3 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001625/1.74, allocations: 2.548 MB / 1.302 GB, free: 193.7 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.004845/1.744, allocations: 1.15 MB / 1.303 GB, free: 192.5 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009711/1.745, allocations: 323.3 kB / 1.303 GB, free: 192.2 MB / 0.9981 GB Notification: Performance of SimCode: time 8.01e-07/1.745, allocations: 0 / 1.303 GB, free: 192.2 MB / 0.9981 GB Notification: Performance of Templates: time 0.124/1.869, allocations: 92.97 MB / 1.394 GB, free: 100.5 MB / 0.9981 GB make -j1 -f Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.makefile (rm -f Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; mkfifo Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe >> ../files/Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.sim & ./Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Movers_Examples_MoverContinuous.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Movers.Examples.MoverContinuous.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches