Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.Plate.kc_turbulent_KC,tolerance=1e-07,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.|Nu.1.|Nu.2.|Nu.3.|velocity.1.|velocity.2.|velocity.3.|kc.1.|kc.2.|kc.3.|Pr.1.|Pr.2.|Pr.3.|Re.1.|Re.2.|Re.3.|input_Nu.y",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC")
translateModel(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC,tolerance=1e-07,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.|Nu.1.|Nu.2.|Nu.3.|velocity.1.|velocity.2.|velocity.3.|kc.1.|kc.2.|kc.3.|Pr.1.|Pr.2.|Pr.3.|Re.1.|Re.2.|Re.3.|input_Nu.y",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009829/0.0009831, allocations: 97.64 kB / 16.02 MB, free: 84 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00107/0.00107, allocations: 175.8 kB / 16.91 MB, free: 6.684 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.704/1.704, allocations: 205.4 MB / 223.1 MB, free: 5.219 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3754/0.3754, allocations: 43.57 MB / 314.9 MB, free: 8.992 MB / 254.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.0005298/0.0005299, allocations: 16 kB / 384.6 MB, free: 7.633 MB / 318.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.135/0.1356, allocations: 58.86 MB / 443.5 MB, free: 12.67 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC): time 0.002425/0.138, allocations: 1.411 MB / 444.9 MB, free: 11.25 MB / 382.1 MB
Notification: Performance of NFInst.instExpressions: time 0.00179/0.1399, allocations: 0.7411 MB / 445.6 MB, free: 10.5 MB / 382.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 7.524e-05/0.14, allocations: 0 / 445.6 MB, free: 10.5 MB / 382.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0004093/0.1404, allocations: 43.75 kB / 445.7 MB, free: 10.45 MB / 382.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0004524/0.1408, allocations: 67.78 kB / 445.7 MB, free: 10.39 MB / 382.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0002532/0.1411, allocations: 51.77 kB / 445.8 MB, free: 10.34 MB / 382.1 MB
Notification: Performance of NFFlatten.flatten: time 0.000412/0.1415, allocations: 247.2 kB / 446 MB, free: 10.09 MB / 382.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001014/0.1416, allocations: 17.39 kB / 446 MB, free: 10.07 MB / 382.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001244/0.1418, allocations: 51.77 kB / 446.1 MB, free: 10.02 MB / 382.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002375/0.142, allocations: 87.66 kB / 446.2 MB, free: 9.938 MB / 382.1 MB
Notification: Performance of NFPackage.collectConstants: time 2.715e-05/0.1421, allocations: 4 kB / 446.2 MB, free: 9.934 MB / 382.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002137/0.1423, allocations: 71.83 kB / 446.2 MB, free: 9.863 MB / 382.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001031/0.1424, allocations: 51.86 kB / 446.3 MB, free: 9.812 MB / 382.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0001154/0.1425, allocations: 85.25 kB / 446.4 MB, free: 9.723 MB / 382.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0003146/0.1428, allocations: 175.6 kB / 446.5 MB, free: 9.551 MB / 382.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.849e-06/0.1429, allocations: 0 / 446.5 MB, free: 9.551 MB / 382.1 MB
Notification: Performance of FrontEnd: time 3.407e-06/0.1429, allocations: 0 / 446.5 MB, free: 9.551 MB / 382.1 MB
Notification: Performance of Transformations before backend: time 8.136e-06/0.1429, allocations: 4 kB / 446.6 MB, free: 9.547 MB / 382.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 34
 * Number of variables: 34
Notification: Performance of Generate backend data structure: time 0.0007655/0.1437, allocations: 442.9 kB / 447 MB, free: 9.066 MB / 382.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.468e-05/0.1437, allocations: 8.031 kB / 447 MB, free: 9.059 MB / 382.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006006/0.1443, allocations: 80.64 kB / 447.1 MB, free: 8.98 MB / 382.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002375/0.1446, allocations: 224 kB / 447.3 MB, free: 8.723 MB / 382.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.497e-05/0.1446, allocations: 8.375 kB / 447.3 MB, free: 8.715 MB / 382.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 3.771e-05/0.1446, allocations: 12.36 kB / 447.3 MB, free: 8.703 MB / 382.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005253/0.1452, allocations: 312.2 kB / 447.6 MB, free: 8.387 MB / 382.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 9.728e-06/0.1452, allocations: 0 / 447.6 MB, free: 8.387 MB / 382.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.896e-05/0.1452, allocations: 0 / 447.6 MB, free: 8.387 MB / 382.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.45e-05/0.1453, allocations: 23.92 kB / 447.6 MB, free: 8.363 MB / 382.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005536/0.1458, allocations: 303.7 kB / 447.9 MB, free: 8.066 MB / 382.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001459/0.1473, allocations: 0.7159 MB / 448.7 MB, free: 7.297 MB / 382.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0005458/0.1479, allocations: 282.2 kB / 448.9 MB, free: 7.012 MB / 382.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002372/0.1481, allocations: 108.9 kB / 449 MB, free: 6.902 MB / 382.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 4.057e-05/0.1482, allocations: 11.91 kB / 449 MB, free: 6.891 MB / 382.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.68e-05/0.1482, allocations: 34.56 kB / 449.1 MB, free: 6.848 MB / 382.1 MB
Notification: Performance of pre-optimization done (n=13): time 1.413e-06/0.1482, allocations: 0 / 449.1 MB, free: 6.848 MB / 382.1 MB
Notification: Performance of matching and sorting (n=13): time 0.0008242/0.149, allocations: 369.1 kB / 449.4 MB, free: 6.48 MB / 382.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.176e-05/0.1491, allocations: 51.41 kB / 449.5 MB, free: 6.418 MB / 382.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002251/0.1493, allocations: 234.2 kB / 449.7 MB, free: 6.18 MB / 382.1 MB
Notification: Performance of collectPreVariables (initialization): time 2.549e-05/0.1493, allocations: 25.7 kB / 449.7 MB, free: 6.148 MB / 382.1 MB
Notification: Performance of collectInitialEqns (initialization): time 8.447e-05/0.1494, allocations: 115.9 kB / 449.9 MB, free: 6.031 MB / 382.1 MB
Notification: Performance of collectInitialBindings (initialization): time 4.566e-05/0.1495, allocations: 47.39 kB / 449.9 MB, free: 5.984 MB / 382.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 4.146e-05/0.1495, allocations: 25.7 kB / 449.9 MB, free: 5.953 MB / 382.1 MB
Notification: Performance of setup shared object (initialization): time 0.00013/0.1497, allocations: 326.8 kB / 450.2 MB, free: 5.625 MB / 382.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002187/0.1499, allocations: 99.88 kB / 450.3 MB, free: 5.527 MB / 382.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002282/0.1501, allocations: 135.3 kB / 450.5 MB, free: 5.383 MB / 382.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.000471/0.1506, allocations: 251.1 kB / 450.7 MB, free: 5.125 MB / 382.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.719e-06/0.1506, allocations: 3.938 kB / 450.7 MB, free: 5.121 MB / 382.1 MB
Notification: Performance of matching and sorting (n=16) (initialization): time 0.0005825/0.1512, allocations: 309.1 kB / 451 MB, free: 4.812 MB / 382.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2e-05/0.1512, allocations: 12.03 kB / 451 MB, free: 4.801 MB / 382.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.891e-06/0.1513, allocations: 0 / 451 MB, free: 4.801 MB / 382.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.508e-05/0.1513, allocations: 4 kB / 451 MB, free: 4.797 MB / 382.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0196/0.1709, allocations: 0.9046 MB / 451.9 MB, free: 3.891 MB / 382.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3022/0.4731, allocations: 9.909 MB / 461.9 MB, free: 41.37 MB / 382.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003099/0.4735, allocations: 31.27 kB / 461.9 MB, free: 41.37 MB / 382.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.274e-05/0.4735, allocations: 11.5 kB / 461.9 MB, free: 41.37 MB / 382.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * 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 (16):
 * Single equations (assignments): 10
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 6
 * 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): 6 systems
   {1, 1, 1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.000139/0.4737, allocations: 142 kB / 462 MB, free: 41.25 MB / 382.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 4.448e-05/0.4737, allocations: 15.28 kB / 462.1 MB, free: 41.25 MB / 382.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006261/0.48, allocations: 0.633 MB / 462.7 MB, free: 41.19 MB / 382.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.564e-06/0.48, allocations: 3.531 kB / 462.7 MB, free: 41.19 MB / 382.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.246e-06/0.48, allocations: 0 / 462.7 MB, free: 41.19 MB / 382.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.033e-06/0.48, allocations: 0 / 462.7 MB, free: 41.19 MB / 382.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003768/0.4804, allocations: 271.1 kB / 463 MB, free: 41 MB / 382.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.927e-06/0.4804, allocations: 0.5625 kB / 463 MB, free: 41 MB / 382.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002195/0.4807, allocations: 44.22 kB / 463 MB, free: 41 MB / 382.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.007/0.4877, allocations: 414.5 kB / 463.4 MB, free: 40.98 MB / 382.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.697e-05/0.4878, allocations: 13.77 kB / 463.4 MB, free: 40.97 MB / 382.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01283/0.5006, allocations: 9.525 MB / 472.9 MB, free: 33.11 MB / 382.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.114e-06/0.5006, allocations: 0 / 472.9 MB, free: 33.11 MB / 382.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006189/0.5068, allocations: 0.686 MB / 473.6 MB, free: 32.93 MB / 382.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 6.134e-05/0.5069, allocations: 93.92 kB / 473.7 MB, free: 32.83 MB / 382.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.494e-05/0.507, allocations: 6.531 kB / 473.7 MB, free: 32.83 MB / 382.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002402/0.5072, allocations: 9.594 kB / 473.7 MB, free: 32.83 MB / 382.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001581/0.5074, allocations: 49.56 kB / 473.8 MB, free: 32.82 MB / 382.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.861e-05/0.5074, allocations: 9.797 kB / 473.8 MB, free: 32.82 MB / 382.1 MB
Notification: Performance of sorting global known variables: time 0.0001227/0.5075, allocations: 167.4 kB / 474 MB, free: 32.75 MB / 382.1 MB
Notification: Performance of sort global known variables: time 1.4e-07/0.5075, allocations: 0 / 474 MB, free: 32.75 MB / 382.1 MB
Notification: Performance of remove unused functions: time 0.0005464/0.5081, allocations: 93.34 kB / 474 MB, free: 32.75 MB / 382.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * 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 (13):
 * Single equations (assignments): 7
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 3
 * Torn equation systems: 3
 * 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: 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): 3 systems
   {(1,1), (1,1), (1,1)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0001398/0.5082, allocations: 117.7 kB / 474.2 MB, free: 32.65 MB / 382.1 MB
Notification: Performance of simCode: created initialization part: time 0.0197/0.5279, allocations: 1.104 MB / 475.3 MB, free: 32.63 MB / 382.1 MB
Notification: Performance of simCode: created event and clocks part: time 6.492e-06/0.528, allocations: 0 / 475.3 MB, free: 32.63 MB / 382.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.001696/0.5297, allocations: 0.5286 MB / 475.8 MB, free: 32.3 MB / 382.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004256/0.5301, allocations: 39.03 kB / 475.8 MB, free: 32.3 MB / 382.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002347/0.5325, allocations: 0.7181 MB / 476.6 MB, free: 32.03 MB / 382.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001614/0.5326, allocations: 0.7461 MB / 477.3 MB, free: 31.34 MB / 382.1 MB
Notification: Performance of simCode: alias equations: time 0.0001072/0.5328, allocations: 56.02 kB / 477.4 MB, free: 31.34 MB / 382.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 5.203e-05/0.5328, allocations: 20.53 kB / 477.4 MB, free: 31.33 MB / 382.1 MB
Notification: Performance of SimCode: time 9.12e-07/0.5328, allocations: 3.938 kB / 477.4 MB, free: 31.32 MB / 382.1 MB
Notification: Performance of Templates: time 0.01046/0.5433, allocations: 7.104 MB / 484.5 MB, free: 30.97 MB / 382.1 MB
make -j1 -f ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.makefile
(rm -f ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe ; mkfifo ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe ; head -c 1048576 < ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe >> ../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.sim & ./ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.pipe 2>&1)
diffSimulationResults("ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/ModelicaTest/Fluid/Dissipation/Verifications/HeatTransfer/Plate/kc_turbulent_KC/kc_turbulent_KC.csv","../files/ModelicaTest_3.2.3_ModelicaTest.Fluid.Dissipation.Verifications.HeatTransfer.Plate.kc_turbulent_KC.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001)
Reference file matches