Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.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/PowerSystems 2.0.0-master/package.mo", uses=false) Using package PowerSystems with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0-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: translateModel(PowerSystems.Examples.AC3ph.Drives.ASM,tolerance=1e-05,outputFormat="mat",numberOfIntervals=5000,variableFilter="Time|asm.motor.tau_el|asm.rotor.w|power.i.1.|power.i.2.|power.i.3.|power.p_av.1.|power.p_av.2.|power.p_av.3.",fileNamePrefix="PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM") translateModel(PowerSystems.Examples.AC3ph.Drives.ASM,tolerance=1e-05,outputFormat="mat",numberOfIntervals=5000,variableFilter="Time|asm.motor.tau_el|asm.rotor.w|power.i.1.|power.i.2.|power.i.3.|power.p_av.1.|power.p_av.2.|power.p_av.3.",fileNamePrefix="PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001531/0.001531, allocations: 110.6 kB / 16.51 MB, free: 6.707 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002211/0.002211, allocations: 190.5 kB / 17.43 MB, free: 6.066 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.527/1.527, allocations: 222.9 MB / 241.1 MB, free: 15.49 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0-master/package.mo): time 0.1744/0.1744, allocations: 38.04 MB / 329.3 MB, free: 9.066 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00141/0.001411, allocations: 66.78 kB / 398.1 MB, free: 34.54 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1248/0.1262, allocations: 58.06 MB / 456.2 MB, free: 8.531 MB / 334.1 MB Notification: Performance of NFInst.instantiate(PowerSystems.Examples.AC3ph.Drives.ASM): time 0.009981/0.1362, allocations: 8.639 MB / 464.8 MB, free: 15.85 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.009468/0.1457, allocations: 5.805 MB / 470.6 MB, free: 10.02 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001248/0.147, allocations: 51.69 kB / 470.7 MB, free: 9.973 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01102/0.158, allocations: 5.686 MB / 476.3 MB, free: 4.273 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002294/0.1604, allocations: 0.6489 MB / 477 MB, free: 3.625 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001629/0.162, allocations: 475.3 kB / 477.5 MB, free: 3.16 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.005201/0.1672, allocations: 3.419 MB / 480.9 MB, free: 15.73 MB / 366.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001836/0.1691, allocations: 1.143 MB / 482 MB, free: 14.57 MB / 366.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001424/0.1705, allocations: 0.6693 MB / 482.7 MB, free: 13.89 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001263/0.1718, allocations: 0.9462 MB / 483.6 MB, free: 12.95 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001814/0.172, allocations: 80 kB / 483.7 MB, free: 12.87 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001182/0.1732, allocations: 0.6474 MB / 484.4 MB, free: 12.22 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0005958/0.1738, allocations: 0.6039 MB / 485 MB, free: 11.61 MB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0007766/0.1746, allocations: 0.688 MB / 485.7 MB, free: 10.92 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001943/0.1765, allocations: 2.119 MB / 487.8 MB, free: 8.797 MB / 366.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.847e-06/0.1765, allocations: 0 / 487.8 MB, free: 8.797 MB / 366.1 MB Notification: Performance of FrontEnd: time 8.92e-07/0.1766, allocations: 4 kB / 487.8 MB, free: 8.793 MB / 366.1 MB Notification: Performance of Transformations before backend: time 2.183e-05/0.1766, allocations: 0 / 487.8 MB, free: 8.793 MB / 366.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 293 * Number of variables: 293 Notification: Performance of Generate backend data structure: time 0.003987/0.1806, allocations: 1.948 MB / 489.7 MB, free: 6.762 MB / 366.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.256e-05/0.1806, allocations: 8.031 kB / 489.7 MB, free: 6.754 MB / 366.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006669/0.1813, allocations: 179.1 kB / 489.9 MB, free: 6.578 MB / 366.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001776/0.1831, allocations: 1.018 MB / 490.9 MB, free: 5.52 MB / 366.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001615/0.1833, allocations: 187.1 kB / 491.1 MB, free: 5.316 MB / 366.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002082/0.1835, allocations: 103.9 kB / 491.2 MB, free: 5.215 MB / 366.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003351/0.1868, allocations: 1.867 MB / 493.1 MB, free: 3.273 MB / 366.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.301e-05/0.1869, allocations: 4 kB / 493.1 MB, free: 3.27 MB / 366.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001387/0.1871, allocations: 43.97 kB / 493.1 MB, free: 3.227 MB / 366.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003297/0.1874, allocations: 125.9 kB / 493.2 MB, free: 3.105 MB / 366.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00319/0.1906, allocations: 1.6 MB / 494.8 MB, free: 1.504 MB / 366.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008073/0.1987, allocations: 5.763 MB / 0.4889 GB, free: 11.57 MB / 382.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002427/0.2011, allocations: 1.199 MB / 0.49 GB, free: 10.32 MB / 382.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001522/0.2027, allocations: 0.7347 MB / 0.4908 GB, free: 9.582 MB / 382.1 MB Notification: Performance of preOpt evalFunc (simulation): time 9.403e-05/0.2028, allocations: 16.98 kB / 0.4908 GB, free: 9.566 MB / 382.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001841/0.2046, allocations: 0.9807 MB / 0.4917 GB, free: 8.566 MB / 382.1 MB Notification: Performance of pre-optimization done (n=116): time 3.436e-06/0.2046, allocations: 0 / 0.4917 GB, free: 8.566 MB / 382.1 MB Notification: Performance of matching and sorting (n=119): time 0.00956/0.2142, allocations: 4.665 MB / 0.4963 GB, free: 3.77 MB / 382.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 8.381e-05/0.2143, allocations: 127.8 kB / 0.4964 GB, free: 3.621 MB / 382.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001017/0.2154, allocations: 0.7859 MB / 0.4972 GB, free: 2.824 MB / 382.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001002/0.2155, allocations: 53.7 kB / 0.4972 GB, free: 2.766 MB / 382.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004184/0.2159, allocations: 0.5114 MB / 0.4977 GB, free: 2.246 MB / 382.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003266/0.2162, allocations: 402.3 kB / 0.4981 GB, free: 1.848 MB / 382.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000377/0.2166, allocations: 242.8 kB / 0.4984 GB, free: 1.602 MB / 382.1 MB Notification: Performance of setup shared object (initialization): time 0.0002079/0.2168, allocations: 426.7 kB / 0.4988 GB, free: 1.176 MB / 382.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009745/0.2178, allocations: 0.6864 MB / 0.4994 GB, free: 500 kB / 382.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.2256/0.4434, allocations: 0.963 MB / 0.5004 GB, free: 56.6 MB / 382.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002605/0.446, allocations: 1.683 MB / 0.502 GB, free: 56.27 MB / 382.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.502e-06/0.4461, allocations: 5.438 kB / 0.502 GB, free: 56.27 MB / 382.1 MB Notification: Performance of matching and sorting (n=177) (initialization): time 0.003994/0.4501, allocations: 2.324 MB / 0.5043 GB, free: 55.37 MB / 382.1 MB Notification: Performance of prepare postOptimizeDAE: time 8.601e-05/0.4502, allocations: 62.69 kB / 0.5043 GB, free: 55.33 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.196e-05/0.4502, allocations: 7.656 kB / 0.5044 GB, free: 55.33 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00134/0.4515, allocations: 414.8 kB / 0.5047 GB, free: 55.23 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008213/0.4524, allocations: 217.2 kB / 0.505 GB, free: 55.21 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00709/0.4595, allocations: 5.688 MB / 0.5105 GB, free: 51.32 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001087/0.4606, allocations: 95.17 kB / 0.5106 GB, free: 51.31 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001765/0.4608, allocations: 93.36 kB / 0.5107 GB, free: 51.29 MB / 382.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 33 * Number of states: 0 () * Number of discrete variables: 29 (system.initime,inverter.modulator.t0[3],$PRE.inverter.modulator.t0[3],inverter.modulator.t0[2],$PRE.inverter.modulator.t0[2],inverter.modulator.t0[1],$PRE.inverter.modulator.t0[1],inverter.modulator.sigdel_t[3],$PRE.inverter.modulator.sigdel_t[3],inverter.modulator.sigdel_t[2],$PRE.inverter.modulator.sigdel_t[2],inverter.modulator.sigdel_t[1],$PRE.inverter.modulator.sigdel_t[1],inverter.modulator.gates[6],$PRE.inverter.modulator.gates[6],inverter.modulator.gates[5],$PRE.inverter.modulator.gates[5],inverter.modulator.gates[4],$PRE.inverter.modulator.gates[4],inverter.modulator.gates[3],$PRE.inverter.modulator.gates[3],inverter.modulator.gates[2],$PRE.inverter.modulator.gates[2],inverter.modulator.gates[1],$PRE.inverter.modulator.gates[1],$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (121): * Single equations (assignments): 115 * Array equations: 3 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(4,21)} Notification: Performance of prepare postOptimizeDAE: time 0.0007518/0.4615, allocations: 461.8 kB / 0.5111 GB, free: 51.03 MB / 382.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002138/0.4617, allocations: 109.3 kB / 0.5112 GB, free: 51.03 MB / 382.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004483/0.4662, allocations: 1.951 MB / 0.5131 GB, free: 50.2 MB / 382.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.594e-05/0.4663, allocations: 26.48 kB / 0.5132 GB, free: 50.2 MB / 382.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.259e-05/0.4663, allocations: 5.375 kB / 0.5132 GB, free: 50.2 MB / 382.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.671e-05/0.4664, allocations: 10.88 kB / 0.5132 GB, free: 50.19 MB / 382.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006239/0.4726, allocations: 3.423 MB / 0.5165 GB, free: 48.73 MB / 382.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.324e-06/0.4726, allocations: 2.391 kB / 0.5165 GB, free: 48.73 MB / 382.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009344/0.4736, allocations: 171.2 kB / 0.5167 GB, free: 48.72 MB / 382.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005655/0.4742, allocations: 166.2 kB / 0.5168 GB, free: 48.67 MB / 382.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.825e-05/0.4743, allocations: 32.94 kB / 0.5169 GB, free: 48.66 MB / 382.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003121/0.4774, allocations: 4.466 MB / 0.5212 GB, free: 44.52 MB / 382.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.397e-06/0.4774, allocations: 1.312 kB / 0.5212 GB, free: 44.52 MB / 382.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004837/0.4823, allocations: 2.885 MB / 0.5241 GB, free: 43.3 MB / 382.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004485/0.4827, allocations: 307 kB / 0.5244 GB, free: 43.11 MB / 382.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002255/0.483, allocations: 86.16 kB / 0.5244 GB, free: 43.07 MB / 382.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008405/0.4838, allocations: 113.6 kB / 0.5245 GB, free: 43.05 MB / 382.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000248/0.4841, allocations: 84.73 kB / 0.5246 GB, free: 43.04 MB / 382.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001037/0.4842, allocations: 46.14 kB / 0.5247 GB, free: 43.03 MB / 382.1 MB Notification: Performance of sorting global known variables: time 0.0007218/0.4849, allocations: 0.5355 MB / 0.5252 GB, free: 42.8 MB / 382.1 MB Notification: Performance of sort global known variables: time 2.71e-07/0.4849, allocations: 0 / 0.5252 GB, free: 42.8 MB / 382.1 MB Notification: Performance of remove unused functions: time 0.001542/0.4865, allocations: 360.8 kB / 0.5255 GB, free: 42.76 MB / 382.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 13 (power.pav[1],power.pav[2],power.pav[3],asm.rotor.phi,asm.rotor.w,asm.motor.i[3],asm.motor.psi_s[1],asm.motor.psi_s[2],asm.motor.psi_rd[1],asm.motor.psi_rd[2],asm.motor.psi_rq[1],asm.motor.psi_rq[2],tabLoad.s) * Number of discrete variables: 17 ($whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,inverter.modulator.gates[1],inverter.modulator.gates[2],inverter.modulator.gates[3],inverter.modulator.gates[4],inverter.modulator.gates[5],inverter.modulator.gates[6],inverter.modulator.sigdel_t[1],inverter.modulator.sigdel_t[2],inverter.modulator.sigdel_t[3],inverter.modulator.t0[1],inverter.modulator.t0[2],inverter.modulator.t0[3],system.initime) * Number of discrete states: 12 (inverter.modulator.t0[3],inverter.modulator.sigdel_t[3],inverter.modulator.gates[5],inverter.modulator.gates[6],inverter.modulator.t0[2],inverter.modulator.sigdel_t[2],inverter.modulator.gates[3],inverter.modulator.gates[4],inverter.modulator.t0[1],inverter.modulator.sigdel_t[1],inverter.modulator.gates[1],inverter.modulator.gates[2]) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (98): * Single equations (assignments): 79 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 13 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(1,3,100.0%), (2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0012/0.4877, allocations: 0.5111 MB / 0.526 GB, free: 42.58 MB / 382.1 MB Notification: Performance of simCode: created initialization part: time 0.003808/0.4915, allocations: 2.303 MB / 0.5283 GB, free: 41.37 MB / 382.1 MB Notification: Performance of simCode: created event and clocks part: time 4.649e-06/0.4915, allocations: 0 / 0.5283 GB, free: 41.37 MB / 382.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001887/0.4934, allocations: 1.218 MB / 0.5295 GB, free: 40.61 MB / 382.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001267/0.4947, allocations: 226.6 kB / 0.5297 GB, free: 40.49 MB / 382.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005056/0.4997, allocations: 3.921 MB / 0.5335 GB, free: 36.94 MB / 382.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007306/0.5005, allocations: 1.277 MB / 0.5348 GB, free: 35.63 MB / 382.1 MB Notification: Performance of simCode: alias equations: time 0.0009479/0.5015, allocations: 300.6 kB / 0.5351 GB, free: 35.34 MB / 382.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002913/0.5018, allocations: 87.34 kB / 0.5351 GB, free: 35.25 MB / 382.1 MB Notification: Performance of SimCode: time 1.082e-06/0.5018, allocations: 0 / 0.5351 GB, free: 35.25 MB / 382.1 MB Notification: Performance of Templates: time 0.02504/0.5268, allocations: 18.15 MB / 0.5529 GB, free: 17.26 MB / 382.1 MB make -j1 -f PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.makefile (rm -f PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.pipe ; mkfifo PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.pipe ; head -c 1048576 < PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.pipe >> ../files/PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.sim & ./PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS > PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.pipe 2>&1) diffSimulationResults("PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/PowerSystems/PowerSystems.Examples.AC3ph.Drives.ASM.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/PowerSystems_latest_PowerSystems.Examples.AC3ph.Drives.ASM.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) Reference file matches