Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements.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/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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: "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements,fileNamePrefix="Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements,fileNamePrefix="Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements",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 0.001796/0.001795, allocations: 99.86 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.003286/0.003286, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 3.646/3.646, allocations: 205.4 MB / 222.1 MB, free: 5.5 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 3.38/3.38, allocations: 292.6 MB / 0.5497 GB, free: 14.65 MB / 462.1 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 0.001436/0.001436, allocations: 12.31 kB / 0.6736 GB, free: 26.14 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6182/0.6197, allocations: 116.3 MB / 0.7872 GB, free: 11.93 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.ThermalZones.ReducedOrder.Examples.SimpleRoomFourElements): time 1.62/2.24, allocations: 137.7 MB / 0.9217 GB, free: 6.016 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.06368/2.304, allocations: 23.06 MB / 0.9442 GB, free: 5.703 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01008/2.314, allocations: 71.88 kB / 0.9443 GB, free: 5.703 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.007694/2.322, allocations: 1.037 MB / 0.9453 GB, free: 5.699 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.01769/2.34, allocations: 2.293 MB / 0.9476 GB, free: 5.668 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.01148/2.351, allocations: 1.808 MB / 0.9493 GB, free: 5.633 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.01443/2.366, allocations: 3.593 MB / 0.9528 GB, free: 5.617 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01679/2.382, allocations: 3.277 MB / 0.956 GB, free: 21.19 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01043/2.393, allocations: 1.498 MB / 0.9575 GB, free: 21.19 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00853/2.402, allocations: 1.895 MB / 0.9594 GB, free: 21.18 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.002413/2.404, allocations: 138.7 kB / 0.9595 GB, free: 21.18 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0072/2.411, allocations: 0.5551 MB / 0.96 GB, free: 21.18 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.005033/2.416, allocations: 0.8306 MB / 0.9608 GB, free: 21.18 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.00538/2.422, allocations: 0.7423 MB / 0.9616 GB, free: 21.14 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.02046/2.442, allocations: 4.993 MB / 0.9664 GB, free: 20.2 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 1.17e-05/2.443, allocations: 3.938 kB / 0.9664 GB, free: 20.19 MB / 0.7325 GB Notification: Performance of FrontEnd: time 9.658e-06/2.443, allocations: 0 / 0.9664 GB, free: 20.19 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 0.000783/2.444, allocations: 0 / 0.9664 GB, free: 20.19 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 940 * Number of variables: 940 Notification: Performance of Generate backend data structure: time 0.02872/2.472, allocations: 4.314 MB / 0.9707 GB, free: 17.63 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 0.0001055/2.472, allocations: 14.27 kB / 0.9707 GB, free: 17.63 MB / 0.7325 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.005085/2.478, allocations: 0.4988 MB / 0.9712 GB, free: 17.48 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02832/2.506, allocations: 2.76 MB / 0.9739 GB, free: 16.21 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01392/2.52, allocations: 2.369 MB / 0.9762 GB, free: 15.28 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007257/2.521, allocations: 281.3 kB / 0.9764 GB, free: 15.27 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003656/2.524, allocations: 356.3 kB / 0.9768 GB, free: 15.27 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03315/2.558, allocations: 5.538 MB / 0.9822 GB, free: 13.62 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002575/2.558, allocations: 0 / 0.9822 GB, free: 13.62 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002354/2.56, allocations: 158.2 kB / 0.9823 GB, free: 13.62 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000112/2.561, allocations: 87.78 kB / 0.9824 GB, free: 13.62 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02475/2.585, allocations: 6.666 MB / 0.9889 GB, free: 11.95 MB / 0.7325 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 0.07061/2.656, allocations: 17.15 MB / 1.006 GB, free: 3.449 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02295/2.679, allocations: 4.493 MB / 1.01 GB, free: 1.367 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002058/2.681, allocations: 0.6744 MB / 1.011 GB, free: 0.5898 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01294/2.694, allocations: 2.607 MB / 1.013 GB, free: 14.63 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=313): time 1.857e-05/2.694, allocations: 4 kB / 1.013 GB, free: 14.62 MB / 0.7481 GB Notification: Performance of matching and sorting (n=313): time 0.05213/2.746, allocations: 9.347 MB / 1.022 GB, free: 7.199 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002385/2.747, allocations: 215.5 kB / 1.023 GB, free: 6.945 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009964/2.757, allocations: 2.636 MB / 1.025 GB, free: 4.969 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 0.002111/2.759, allocations: 81.88 kB / 1.025 GB, free: 4.922 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.003445/2.763, allocations: 1.532 MB / 1.027 GB, free: 3.984 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.003855/2.766, allocations: 1.041 MB / 1.028 GB, free: 3.09 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000822/2.767, allocations: 58.31 kB / 1.028 GB, free: 3.074 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0006478/2.768, allocations: 414 kB / 1.028 GB, free: 2.711 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01006/2.778, allocations: 2.068 MB / 1.03 GB, free: 1.234 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01193/2.79, allocations: 2.415 MB / 1.033 GB, free: 15.39 MB / 0.7637 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01362/2.804, allocations: 2.262 MB / 1.035 GB, free: 13.85 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.996e-05/2.804, allocations: 2.531 kB / 1.035 GB, free: 13.85 MB / 0.7637 GB Notification: Performance of matching and sorting (n=345) (initialization): time 0.03213/2.836, allocations: 5.561 MB / 1.04 GB, free: 9.801 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001009/2.836, allocations: 10.97 kB / 1.04 GB, free: 9.793 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.772e-05/2.836, allocations: 4 kB / 1.04 GB, free: 9.789 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003925/2.84, allocations: 0.839 MB / 1.041 GB, free: 9.098 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009591/2.85, allocations: 0.7554 MB / 1.042 GB, free: 8.387 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0225/2.873, allocations: 7.21 MB / 1.049 GB, free: 1.578 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01096/2.884, allocations: 0.5478 MB / 1.049 GB, free: 1.027 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002284/2.886, allocations: 115.9 kB / 1.05 GB, free: 0.9141 MB / 0.7637 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 17 * Number of states: 0 () * Number of discrete variables: 11 ($whenCondition1,$PRE.intGai.nextTimeEvent,$whenCondition3,$whenCondition2,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext,intGai.nextTimeEvent,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (281): * Single equations (assignments): 280 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(5,100.0%) 60} * Non-linear torn systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.008549/2.895, allocations: 1.021 MB / 1.05 GB, free: 15.93 MB / 0.7794 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.003485/2.898, allocations: 308.1 kB / 1.051 GB, free: 15.62 MB / 0.7794 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03671/2.935, allocations: 6.188 MB / 1.057 GB, free: 9.406 MB / 0.7794 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.828e-05/2.935, allocations: 32 kB / 1.057 GB, free: 9.375 MB / 0.7794 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.285e-05/2.935, allocations: 12 kB / 1.057 GB, free: 9.363 MB / 0.7794 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001785/2.936, allocations: 15.94 kB / 1.057 GB, free: 9.348 MB / 0.7794 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05459/2.99, allocations: 10.46 MB / 1.067 GB, free: 14.87 MB / 0.795 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.963e-05/2.99, allocations: 0 / 1.067 GB, free: 14.87 MB / 0.795 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.008067/2.998, allocations: 0.7209 MB / 1.068 GB, free: 14.17 MB / 0.795 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.004072/3.003, allocations: 0.7405 MB / 1.069 GB, free: 13.42 MB / 0.795 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.001864/3.005, allocations: 87.92 kB / 1.069 GB, free: 13.33 MB / 0.795 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02282/3.027, allocations: 10.01 MB / 1.078 GB, free: 2.938 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.838e-06/3.028, allocations: 4.391 kB / 1.078 GB, free: 2.938 MB / 0.795 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04619/3.074, allocations: 8.747 MB / 1.087 GB, free: 10.14 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.007083/3.081, allocations: 0.9413 MB / 1.088 GB, free: 9.18 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002298/3.083, allocations: 56 kB / 1.088 GB, free: 9.125 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.007602/3.091, allocations: 405.8 kB / 1.088 GB, free: 8.73 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001429/3.093, allocations: 214.3 kB / 1.089 GB, free: 8.52 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0007902/3.093, allocations: 107.9 kB / 1.089 GB, free: 8.414 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.009455/3.103, allocations: 1.914 MB / 1.09 GB, free: 6.496 MB / 0.8106 GB Notification: Performance of sort global known variables: time 2.064e-06/3.103, allocations: 0 / 1.09 GB, free: 6.496 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.01413/3.117, allocations: 1.196 MB / 1.092 GB, free: 5.297 MB / 0.8106 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 6 (thermalZoneFourElements.volAir.dynBal.U,thermalZoneFourElements.volAir.dynBal.m,thermalZoneFourElements.extWallRC.thermCapExt[1].T,thermalZoneFourElements.intWallRC.thermCapInt[1].T,thermalZoneFourElements.floorRC.thermCapExt[1].T,thermalZoneFourElements.roofRC.thermCapExt[1].T) * Number of discrete variables: 7 ($whenCondition3,$whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext,intGai.nextTimeEvent,intGai.nextTimeEventScaled) * Number of discrete states: 4 (intGai.nextTimeEvent,intGai.nextTimeEventScaled,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (267): * Single equations (assignments): 259 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 3 {(5,100.0%) 49,(1,100.0%) 3,(1,100.0%) 3} * Non-linear torn systems: 1 {1 2} Notification: Performance of Backend phase and start with SimCode phase: time 0.05615/3.173, allocations: 10.21 MB / 1.102 GB, free: 11.43 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02873/3.202, allocations: 5.288 MB / 1.107 GB, free: 6.141 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 2.273e-05/3.202, allocations: 0 / 1.107 GB, free: 6.141 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.01583/3.218, allocations: 3.221 MB / 1.11 GB, free: 2.926 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01041/3.229, allocations: 0.6619 MB / 1.111 GB, free: 2.281 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.185/3.414, allocations: 30.74 MB / 1.141 GB, free: 2.379 MB / 0.8575 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006284/3.42, allocations: 2.751 MB / 1.143 GB, free: 15.6 MB / 0.8731 GB Notification: Performance of simCode: alias equations: time 0.01046/3.431, allocations: 1.144 MB / 1.144 GB, free: 14.45 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00703/3.438, allocations: 1.612 MB / 1.146 GB, free: 12.84 MB / 0.8731 GB Notification: Performance of SimCode: time 3.637e-06/3.438, allocations: 0 / 1.146 GB, free: 12.84 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.334/3.772, allocations: 79.7 MB / 1.224 GB, free: 13.86 MB / 0.9512 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0004739/3.773, allocations: 270.9 kB / 1.224 GB, free: 13.5 MB / 0.9512 GB Error: Error building simulator. Build log: clang -Os -fPIC -falign-functions -mfpmath=sse -fno-dollars-in-identifiers -I'/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../include/omc/c/fmi' -DOMC_FMI_RUNTIME=1 -DCMINPACK_NO_DLL=1 "-I/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Resources/C-Sources" -c -o Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements.o Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements.c In file included from Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements.c:7: In file included from ./Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_model.h:5: In file included from ./openmodelica.h:71: In file included from ./gc/../openmodelica_types.h:149: ./gc/omc_gc.h:218:28: warning: expression result unused [-Wunused-value] GC_register_displacement(0); ^ ./gc/omc_gc.h:222:34: warning: expression result unused [-Wunused-value] GC_set_force_unmap_on_gcollect(1); ^ 2 warnings generated. clang -Os -fPIC -falign-functions -mfpmath=sse -fno-dollars-in-identifiers -I'/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../include/omc/c/fmi' -DOMC_FMI_RUNTIME=1 -DCMINPACK_NO_DLL=1 "-I/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Resources/C-Sources" -c -o Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.o Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.c In file included from Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.c:2: In file included from ./Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.h:3: In file included from ./meta/meta_modelica.h:49: ./gc/omc_gc.h:218:28: warning: expression result unused [-Wunused-value] GC_register_displacement(0); ^ ./gc/omc_gc.h:222:34: warning: expression result unused [-Wunused-value] GC_set_force_unmap_on_gcollect(1); ^ In file included from Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.c:7: In file included from ./Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_includes.h:4: /home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/Resources/C-Sources/getTimeSpan.c:9:10: fatal error: 'ModelicaUtilities.h' file not found #include "ModelicaUtilities.h" ^~~~~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. make: *** [: Buildings_8_Buildings_ThermalZones_ReducedOrder_Examples_SimpleRoomFourElements_functions.o] Error 1