Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.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: translateModel(Buildings.Fluid.Interfaces.Examples.ConservationEquation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation") translateModel(Buildings.Fluid.Interfaces.Examples.ConservationEquation,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008503/0.0008501, allocations: 98.88 kB / 16.02 MB, free: 76 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001371/0.001371, allocations: 186.9 kB / 16.92 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 1.919/1.919, allocations: 205.4 MB / 223.1 MB, free: 5.488 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 1.881/1.881, allocations: 292.7 MB / 0.5509 GB, free: 14.46 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 0.0005994/0.0005994, allocations: 16.14 kB / 0.675 GB, free: 25.78 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3216/0.3222, allocations: 116.3 MB / 0.7885 GB, free: 11.56 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.ConservationEquation): time 0.01962/0.3419, allocations: 20.16 MB / 0.8082 GB, free: 7.32 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.00802/0.3499, allocations: 5.346 MB / 0.8134 GB, free: 1.957 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009172/0.3509, allocations: 23.81 kB / 0.8135 GB, free: 1.934 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.0009625/0.3519, allocations: 282.5 kB / 0.8137 GB, free: 1.656 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002705/0.3546, allocations: 0.8438 MB / 0.8146 GB, free: 0.8086 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.00247/0.3571, allocations: 0.818 MB / 0.8154 GB, free: 0 / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.002743/0.3599, allocations: 2.273 MB / 0.8176 GB, free: 13.72 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006953/0.3606, allocations: 428.8 kB / 0.818 GB, free: 13.29 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001149/0.3617, allocations: 0.6029 MB / 0.8186 GB, free: 12.68 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006182/0.3624, allocations: 493.8 kB / 0.819 GB, free: 12.2 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 5.812e-05/0.3624, allocations: 20 kB / 0.8191 GB, free: 12.18 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002053/0.3645, allocations: 1.099 MB / 0.8201 GB, free: 11.08 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0001484/0.3647, allocations: 119.5 kB / 0.8203 GB, free: 10.96 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.0003239/0.365, allocations: 324 kB / 0.8206 GB, free: 10.64 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.00114/0.3661, allocations: 0.8575 MB / 0.8214 GB, free: 9.777 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 4.108e-06/0.3661, allocations: 0 / 0.8214 GB, free: 9.777 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.114e-06/0.3662, allocations: 0 / 0.8214 GB, free: 9.777 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 8.656e-06/0.3662, allocations: 0 / 0.8214 GB, free: 9.777 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 92 * Number of variables: 92 Notification: Performance of Generate backend data structure: time 0.001556/0.3677, allocations: 0.9247 MB / 0.8223 GB, free: 8.797 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.536e-05/0.3678, allocations: 12.03 kB / 0.8223 GB, free: 8.785 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000869/0.3687, allocations: 196 kB / 0.8225 GB, free: 8.594 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001023/0.3697, allocations: 0.5611 MB / 0.823 GB, free: 7.988 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000326/0.37, allocations: 96.94 kB / 0.8231 GB, free: 7.891 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.493e-05/0.3701, allocations: 40 kB / 0.8232 GB, free: 7.852 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009557/0.3711, allocations: 0.4999 MB / 0.8237 GB, free: 7.332 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.708e-05/0.3711, allocations: 0 / 0.8237 GB, free: 7.332 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.691e-05/0.3712, allocations: 16 kB / 0.8237 GB, free: 7.316 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.8e-05/0.3712, allocations: 12 kB / 0.8237 GB, free: 7.305 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001042/0.3722, allocations: 434.6 kB / 0.8241 GB, free: 6.875 MB / 0.6387 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 0.003209/0.3755, allocations: 2.297 MB / 0.8264 GB, free: 4.367 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001098/0.3766, allocations: 398.9 kB / 0.8267 GB, free: 3.969 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005489/0.3771, allocations: 243.2 kB / 0.827 GB, free: 3.73 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003975/0.3776, allocations: 340.7 kB / 0.8273 GB, free: 3.324 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006908/0.3783, allocations: 310.2 kB / 0.8276 GB, free: 3.004 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=33): time 4.658e-06/0.3783, allocations: 0 / 0.8276 GB, free: 3.004 MB / 0.6387 GB Notification: Performance of matching and sorting (n=33): time 0.002358/0.3806, allocations: 0.8886 MB / 0.8285 GB, free: 2.082 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.775e-05/0.3807, allocations: 89.05 kB / 0.8285 GB, free: 1.977 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000562/0.3813, allocations: 499 kB / 0.829 GB, free: 1.48 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 4.548e-05/0.3813, allocations: 33.7 kB / 0.829 GB, free: 1.441 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002104/0.3816, allocations: 272.4 kB / 0.8293 GB, free: 1.172 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 9.641e-05/0.3817, allocations: 106.5 kB / 0.8294 GB, free: 1.066 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.379e-05/0.3817, allocations: 41.69 kB / 0.8294 GB, free: 1.02 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001495/0.3819, allocations: 362.8 kB / 0.8298 GB, free: 0.6562 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004443/0.3823, allocations: 179.7 kB / 0.83 GB, free: 492 kB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004967/0.3829, allocations: 274 kB / 0.8302 GB, free: 184 kB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009467/0.3838, allocations: 490.9 kB / 0.8307 GB, free: 15.66 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.559e-06/0.3838, allocations: 7.938 kB / 0.8307 GB, free: 15.66 MB / 0.6544 GB Notification: Performance of matching and sorting (n=42) (initialization): time 0.001392/0.3852, allocations: 0.6397 MB / 0.8313 GB, free: 15 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001228/0.3854, allocations: 174.4 kB / 0.8315 GB, free: 14.8 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.176e-06/0.3854, allocations: 4.031 kB / 0.8315 GB, free: 14.8 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003593/0.3857, allocations: 72.8 kB / 0.8316 GB, free: 14.72 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003605/0.3861, allocations: 79.89 kB / 0.8316 GB, free: 14.64 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004673/0.3866, allocations: 0.5991 MB / 0.8322 GB, free: 14.02 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005743/0.3872, allocations: 75.7 kB / 0.8323 GB, free: 13.95 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.544e-05/0.3872, allocations: 19.98 kB / 0.8323 GB, free: 13.93 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 9.618e-06/0.3873, allocations: 4 kB / 0.8323 GB, free: 13.92 MB / 0.6544 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001232/0.3885, allocations: 0.5643 MB / 0.8329 GB, free: 13.35 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.816e-06/0.3885, allocations: 0 / 0.8329 GB, free: 13.35 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001376/0.3887, allocations: 52.98 kB / 0.8329 GB, free: 13.29 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003322/0.389, allocations: 83.81 kB / 0.833 GB, free: 13.21 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00152/0.3905, allocations: 1.642 MB / 0.8346 GB, free: 11.43 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005133/0.3911, allocations: 75.69 kB / 0.8347 GB, free: 11.35 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.401e-05/0.3911, allocations: 16 kB / 0.8347 GB, free: 11.34 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 7 (QSen_flow.nextEventScaled,QSen_flow.nextEvent,$PRE.QSen_flow.nextEvent,QSen_flow.last,QSen_flow.b,QSen_flow.a,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (32): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0003632/0.3915, allocations: 298.7 kB / 0.835 GB, free: 11.03 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.635e-05/0.3916, allocations: 59.34 kB / 0.835 GB, free: 10.97 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001406/0.393, allocations: 0.6609 MB / 0.8357 GB, free: 10.29 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.115e-06/0.393, allocations: 4 kB / 0.8357 GB, free: 10.28 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.853e-06/0.393, allocations: 4 kB / 0.8357 GB, free: 10.28 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001273/0.3943, allocations: 0.8135 MB / 0.8365 GB, free: 9.387 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002238/0.3965, allocations: 1.328 MB / 0.8378 GB, free: 7.984 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.183e-06/0.3965, allocations: 4 kB / 0.8378 GB, free: 7.98 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003428/0.3969, allocations: 71.97 kB / 0.8379 GB, free: 7.91 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001454/0.3971, allocations: 44.84 kB / 0.8379 GB, free: 7.863 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.424e-05/0.3971, allocations: 11.98 kB / 0.8379 GB, free: 7.852 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004173/0.3975, allocations: 0.5797 MB / 0.8385 GB, free: 7.246 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.002e-06/0.3976, allocations: 3.938 kB / 0.8385 GB, free: 7.242 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001885/0.3994, allocations: 1.003 MB / 0.8395 GB, free: 6.203 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002808/0.3997, allocations: 196.1 kB / 0.8396 GB, free: 5.992 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.025e-05/0.3998, allocations: 8 kB / 0.8397 GB, free: 5.984 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005505/0.4004, allocations: 68 kB / 0.8397 GB, free: 5.918 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.461e-05/0.4005, allocations: 19.97 kB / 0.8397 GB, free: 5.898 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.576e-05/0.4005, allocations: 23.92 kB / 0.8398 GB, free: 5.875 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0004212/0.4009, allocations: 342.8 kB / 0.8401 GB, free: 5.543 MB / 0.6544 GB Notification: Performance of sort global known variables: time 1.7e-07/0.401, allocations: 0 / 0.8401 GB, free: 5.543 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.001234/0.4022, allocations: 339.5 kB / 0.8404 GB, free: 5.211 MB / 0.6544 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 1 (dyn.U) * Number of discrete variables: 6 ($whenCondition1,QSen_flow.a,QSen_flow.b,QSen_flow.last,QSen_flow.nextEvent,QSen_flow.nextEventScaled) * Number of discrete states: 6 (QSen_flow.nextEvent,QSen_flow.last,QSen_flow.nextEventScaled,QSen_flow.b,QSen_flow.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (26): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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 {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007269/0.4029, allocations: 312.1 kB / 0.8407 GB, free: 4.906 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.002055/0.405, allocations: 0.9983 MB / 0.8417 GB, free: 3.871 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 3.066e-06/0.405, allocations: 0 / 0.8417 GB, free: 3.871 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.0006292/0.4057, allocations: 335.3 kB / 0.842 GB, free: 3.531 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001457/0.4071, allocations: 241.9 kB / 0.8422 GB, free: 3.293 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002278/0.4094, allocations: 1.408 MB / 0.8436 GB, free: 1.84 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004221/0.4098, allocations: 0.8783 MB / 0.8445 GB, free: 0.9336 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001576/0.41, allocations: 55.41 kB / 0.8445 GB, free: 0.8789 MB / 0.6544 GB Notification: Performance of SimCode: time 6.51e-07/0.41, allocations: 3.938 kB / 0.8445 GB, free: 0.875 MB / 0.6544 GB Notification: Performance of Templates: time 0.01629/0.4263, allocations: 11.4 MB / 0.8557 GB, free: 5.531 MB / 0.67 GB make -j1 -f Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.makefile make -j1 -f Buildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquation.makefile clang++ -std=c++14 NOTFOUND -Winvalid-pch -O2 -g -DNDEBUG -fPIC -std=c++11 -DBOOST_ALL_DYN_LINK -DUSE_DGESV -DUSE_LOGGER -DOMC_BUILD -DUSE_THREAD -DSUNDIALS_MAJOR_VERSION=5 -DSUNDIALS_MINOR_VERSION=4 -DPMC_USE_SUNDIALS -I"." -I"/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/bin/../include/omc/cpp/" -I. -I"." -I"." -I"/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/include/omc/sundials" -DMEASURETIME_PROFILEBLOCKS -DUSE_LOGGER -c -o OMCppBuildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquationCalcHelperMain.o OMCppBuildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquationCalcHelperMain.cpp clang: error: no such file or directory: 'NOTFOUND' make: *** [: OMCppBuildings_8_Buildings.Fluid.Interfaces.Examples.ConservationEquationCalcHelperMain.o] Error 1