Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.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.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|TBouSte.port.T|TBouCon.port.T|TBouPul.port.T",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition") translateModel(Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|TBouSte.port.T|TBouCon.port.T|TBouPul.port.T",fileNamePrefix="Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007384/0.007384, allocations: 99.34 kB / 15.73 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001655/0.001655, allocations: 197.3 kB / 16.67 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 1.329/1.329, allocations: 222.9 MB / 240.4 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/package.mo): time 2.461/2.461, allocations: 437 MB / 0.7105 GB, free: 4.457 MB / 0.5762 GB Notification: Performance of FrontEnd - loaded program: time 0.002094/0.002094, allocations: 68.09 kB / 1.019 GB, free: 9.441 MB / 0.795 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7159/0.718, allocations: 151.6 MB / 1.167 GB, free: 3.859 MB / 0.8887 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition): time 0.003308/0.7213, allocations: 2.349 MB / 1.169 GB, free: 1.5 MB / 0.8887 GB Notification: Performance of NFInst.instExpressions: time 0.001428/0.7228, allocations: 0.998 MB / 1.17 GB, free: 0.4922 MB / 0.8887 GB Notification: Performance of NFInst.updateImplicitVariability: time 9.804e-05/0.7229, allocations: 7.938 kB / 1.17 GB, free: 496 kB / 0.8887 GB Notification: Performance of NFTyping.typeComponents: time 0.0002006/0.7231, allocations: 55.62 kB / 1.17 GB, free: 440 kB / 0.8887 GB Notification: Performance of NFTyping.typeBindings: time 0.0001747/0.7233, allocations: 83.27 kB / 1.17 GB, free: 356 kB / 0.8887 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.1.1-maint.10.0.x/Fluid/Geothermal/Boreholes/BaseClasses/temperatureDrop.mo:2:1-109:20:writable] Warning: Pure function 'Buildings.Fluid.Geothermal.Boreholes.BaseClasses.temperatureDrop' contains a call to impure function 'Buildings.Fluid.Geothermal.Boreholes.BaseClasses.exchangeValues'. Notification: Performance of NFTyping.typeClassSections: time 0.0004416/0.7237, allocations: 163.5 kB / 1.17 GB, free: 192 kB / 0.8887 GB Notification: Performance of NFFlatten.flatten: time 0.0003068/0.7241, allocations: 298.8 kB / 1.17 GB, free: 15.89 MB / 0.9044 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001036/0.7242, allocations: 24.41 kB / 1.17 GB, free: 15.87 MB / 0.9044 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001478/0.7243, allocations: 123.5 kB / 1.171 GB, free: 15.75 MB / 0.9044 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001388/0.7245, allocations: 111.5 kB / 1.171 GB, free: 15.64 MB / 0.9044 GB Notification: Performance of NFPackage.collectConstants: time 3.497e-05/0.7245, allocations: 20 kB / 1.171 GB, free: 15.62 MB / 0.9044 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0002716/0.7248, allocations: 115.8 kB / 1.171 GB, free: 15.5 MB / 0.9044 GB Notification: Performance of NFScalarize.scalarize: time 4.421e-05/0.7249, allocations: 51.81 kB / 1.171 GB, free: 15.45 MB / 0.9044 GB Notification: Performance of NFVerifyModel.verify: time 0.0001092/0.725, allocations: 115.4 kB / 1.171 GB, free: 15.34 MB / 0.9044 GB Notification: Performance of NFConvertDAE.convert: time 0.0003757/0.7254, allocations: 315.3 kB / 1.171 GB, free: 15.04 MB / 0.9044 GB Notification: Performance of FrontEnd - DAE generated: time 6.492e-06/0.7254, allocations: 7.984 kB / 1.171 GB, free: 15.03 MB / 0.9044 GB Notification: Performance of FrontEnd: time 2.675e-06/0.7254, allocations: 0 / 1.171 GB, free: 15.03 MB / 0.9044 GB Notification: Performance of Transformations before backend: time 9.478e-06/0.7254, allocations: 3.938 kB / 1.171 GB, free: 15.02 MB / 0.9044 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 27 * Number of variables: 27 Notification: Performance of Generate backend data structure: time 0.0009068/0.7263, allocations: 0.5979 MB / 1.172 GB, free: 14.37 MB / 0.9044 GB Notification: Performance of prepare preOptimizeDAE: time 3.444e-05/0.7263, allocations: 15.98 kB / 1.172 GB, free: 14.36 MB / 0.9044 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.194e-05/0.7264, allocations: 32.69 kB / 1.172 GB, free: 14.32 MB / 0.9044 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004392/0.7269, allocations: 291.2 kB / 1.172 GB, free: 14 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.897e-05/0.7269, allocations: 12.61 kB / 1.172 GB, free: 13.99 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 4.68e-05/0.727, allocations: 20.38 kB / 1.172 GB, free: 13.97 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003933/0.7274, allocations: 208.6 kB / 1.172 GB, free: 13.75 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.105e-05/0.7274, allocations: 0 / 1.172 GB, free: 13.75 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.239e-05/0.7274, allocations: 3.984 kB / 1.172 GB, free: 13.74 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.173e-05/0.7274, allocations: 4 kB / 1.172 GB, free: 13.74 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003446/0.7278, allocations: 115.8 kB / 1.173 GB, free: 13.62 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0009374/0.7287, allocations: 0.8684 MB / 1.173 GB, free: 12.69 MB / 0.9044 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004865/0.7292, allocations: 203.9 kB / 1.174 GB, free: 12.46 MB / 0.9044 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002031/0.7294, allocations: 78.58 kB / 1.174 GB, free: 12.38 MB / 0.9044 GB Notification: Performance of preOpt evalFunc (simulation): time 1.33e-05/0.7295, allocations: 8 kB / 1.174 GB, free: 12.37 MB / 0.9044 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003906/0.7299, allocations: 206.6 kB / 1.174 GB, free: 12.14 MB / 0.9044 GB Notification: Performance of pre-optimization done (n=23): time 1.793e-06/0.7299, allocations: 0 / 1.174 GB, free: 12.14 MB / 0.9044 GB Notification: Performance of matching and sorting (n=23): time 0.0008341/0.7307, allocations: 349.5 kB / 1.174 GB, free: 11.8 MB / 0.9044 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.734e-05/0.7308, allocations: 118.9 kB / 1.174 GB, free: 11.66 MB / 0.9044 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002213/0.731, allocations: 254.4 kB / 1.175 GB, free: 11.41 MB / 0.9044 GB Notification: Performance of collectPreVariables (initialization): time 3.231e-05/0.7311, allocations: 37.7 kB / 1.175 GB, free: 11.36 MB / 0.9044 GB Notification: Performance of collectInitialEqns (initialization): time 9.213e-05/0.7312, allocations: 144.6 kB / 1.175 GB, free: 11.22 MB / 0.9044 GB Notification: Performance of collectInitialBindings (initialization): time 5.405e-05/0.7312, allocations: 67.5 kB / 1.175 GB, free: 11.15 MB / 0.9044 GB Notification: Performance of simplifyInitialFunctions (initialization): time 9.415e-05/0.7313, allocations: 78.03 kB / 1.175 GB, free: 11.07 MB / 0.9044 GB Notification: Performance of setup shared object (initialization): time 0.0001352/0.7315, allocations: 338.8 kB / 1.175 GB, free: 10.73 MB / 0.9044 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002208/0.7317, allocations: 80.77 kB / 1.175 GB, free: 10.65 MB / 0.9044 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000311/0.732, allocations: 263.1 kB / 1.176 GB, free: 10.31 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005411/0.7326, allocations: 388.5 kB / 1.176 GB, free: 9.84 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.266e-06/0.7326, allocations: 0 / 1.176 GB, free: 9.84 MB / 0.9044 GB Notification: Performance of matching and sorting (n=47) (initialization): time 0.0007097/0.7333, allocations: 398.7 kB / 1.176 GB, free: 9.438 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 4.076e-05/0.7333, allocations: 37.69 kB / 1.176 GB, free: 9.395 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.215e-06/0.7333, allocations: 4 kB / 1.176 GB, free: 9.391 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.063e-05/0.7334, allocations: 12 kB / 1.176 GB, free: 9.379 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002156/0.7336, allocations: 64.44 kB / 1.176 GB, free: 9.316 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.417e-05/0.7336, allocations: 19.88 kB / 1.176 GB, free: 9.297 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002346/0.7339, allocations: 43.81 kB / 1.176 GB, free: 9.254 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.605e-05/0.7339, allocations: 20 kB / 1.176 GB, free: 9.234 MB / 0.9044 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * Number of states: 0 () * Number of discrete variables: 32 (TBouSte.QAve_flow,$PRE.TBouSte.QAve_flow,TBouSte.UOld,$PRE.TBouSte.UOld,TBouSte.port.T,$PRE.TBouSte.port.T,TBouSte.iSam,$PRE.TBouSte.iSam,$whenCondition4,TBouCon.QAve_flow,$PRE.TBouCon.QAve_flow,TBouCon.UOld,$PRE.TBouCon.UOld,TBouCon.port.T,$PRE.TBouCon.port.T,TBouCon.iSam,$PRE.TBouCon.iSam,$whenCondition3,TBouPul.QAve_flow,$PRE.TBouPul.QAve_flow,TBouPul.UOld,$PRE.TBouPul.UOld,TBouPul.port.T,$PRE.TBouPul.port.T,TBouPul.iSam,$PRE.TBouPul.iSam,$whenCondition1,pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (46): * Single equations (assignments): 45 * Array equations: 0 * Algorithm blocks: 1 * 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 0.000146/0.734, allocations: 152 kB / 1.177 GB, free: 9.078 MB / 0.9044 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.775e-05/0.7341, allocations: 35.8 kB / 1.177 GB, free: 9.043 MB / 0.9044 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.064e-05/0.7342, allocations: 25.7 kB / 1.177 GB, free: 9.016 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.397e-06/0.7342, allocations: 4 kB / 1.177 GB, free: 9.012 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.222e-06/0.7342, allocations: 3.938 kB / 1.177 GB, free: 9.008 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.145e-06/0.7342, allocations: 7.984 kB / 1.177 GB, free: 9 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002705/0.7345, allocations: 265.4 kB / 1.177 GB, free: 8.691 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.803e-06/0.7345, allocations: 0 / 1.177 GB, free: 8.691 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001244/0.7346, allocations: 23.97 kB / 1.177 GB, free: 8.668 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.685e-06/0.7346, allocations: 0 / 1.177 GB, free: 8.668 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.462e-05/0.7346, allocations: 11.98 kB / 1.177 GB, free: 8.656 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.234e-06/0.7347, allocations: 0 / 1.177 GB, free: 8.656 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.826e-06/0.7347, allocations: 11.94 kB / 1.177 GB, free: 8.645 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008471/0.7355, allocations: 404.8 kB / 1.177 GB, free: 8.227 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 5.969e-05/0.7356, allocations: 112.8 kB / 1.178 GB, free: 8.098 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.925e-05/0.7356, allocations: 16 kB / 1.178 GB, free: 8.082 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001636/0.7358, allocations: 19.97 kB / 1.178 GB, free: 8.062 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.913e-05/0.7359, allocations: 23.92 kB / 1.178 GB, free: 8.039 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.971e-05/0.7359, allocations: 11.98 kB / 1.178 GB, free: 8.027 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.0001355/0.7361, allocations: 166 kB / 1.178 GB, free: 7.863 MB / 0.9044 GB Notification: Performance of sort global known variables: time 1.5e-07/0.7361, allocations: 0 / 1.178 GB, free: 7.863 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.0003991/0.7365, allocations: 79.92 kB / 1.178 GB, free: 7.785 MB / 0.9044 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (TBouSte.U,TBouCon.U,TBouPul.U) * Number of discrete variables: 18 ($whenCondition4,TBouSte.QAve_flow,TBouSte.port.T,TBouSte.UOld,TBouSte.iSam,$whenCondition3,TBouCon.QAve_flow,TBouCon.port.T,TBouCon.UOld,TBouCon.iSam,$whenCondition2,$whenCondition1,TBouPul.QAve_flow,TBouPul.port.T,TBouPul.UOld,TBouPul.iSam,pulse.T_start,pulse.count) * Number of discrete states: 7 (TBouPul.iSam,TBouPul.UOld,pulse.count,TBouCon.iSam,TBouCon.UOld,TBouSte.iSam,TBouSte.UOld) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (23): * Single equations (assignments): 9 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 14 * 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 0.0003057/0.7368, allocations: 180.3 kB / 1.178 GB, free: 7.605 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.0005999/0.7374, allocations: 291.5 kB / 1.178 GB, free: 7.309 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 2.053e-06/0.7374, allocations: 0 / 1.178 GB, free: 7.309 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.000264/0.7377, allocations: 104.4 kB / 1.178 GB, free: 7.207 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003758/0.7381, allocations: 61.2 kB / 1.178 GB, free: 7.152 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00111/0.7392, allocations: 0.6153 MB / 1.179 GB, free: 6.508 MB / 0.9044 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002841/0.7395, allocations: 0.7368 MB / 1.18 GB, free: 5.746 MB / 0.9044 GB Notification: Performance of simCode: alias equations: time 0.0001324/0.7396, allocations: 59.06 kB / 1.18 GB, free: 5.688 MB / 0.9044 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.951e-05/0.7397, allocations: 27.44 kB / 1.18 GB, free: 5.66 MB / 0.9044 GB Notification: Performance of SimCode: time 3.01e-07/0.7397, allocations: 0 / 1.18 GB, free: 5.66 MB / 0.9044 GB Notification: Performance of Templates: time 0.007614/0.7473, allocations: 3.992 MB / 1.184 GB, free: 1.746 MB / 0.9044 GB make -j1 -f Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.makefile (rm -f Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.pipe ; mkfifo Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.pipe ; head -c 1048576 < Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.pipe >> ../files/Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.sim & ./Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.pipe 2>&1) diffSimulationResults("Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_10.0.x/Buildings_Fluid_Geothermal_Boreholes_BaseClasses_Examples_SingleUTubeBoundaryCondition.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_10_Buildings.Fluid.Geothermal.Boreholes.BaseClasses.Examples.SingleUTubeBoundaryCondition.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches