Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU") translateModel(IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009775/0.0009776, allocations: 101.6 kB / 15.71 MB, free: 460 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001324/0.001324, allocations: 172.9 kB / 16.58 MB, free: 6.387 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.425/1.425, allocations: 223.2 MB / 240.6 MB, free: 5.422 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7797/0.7797, allocations: 132.3 MB / 424.1 MB, free: 2.105 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003554/0.0003554, allocations: 8 kB / 0.504 GB, free: 4.281 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5773/0.5777, allocations: 81.59 MB / 0.5837 GB, free: 3.984 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU): time 0.827/1.405, allocations: 325.6 MB / 0.9017 GB, free: 8.219 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.04714/1.452, allocations: 29.92 MB / 0.9309 GB, free: 7.488 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008628/1.461, allocations: 144 kB / 0.931 GB, free: 7.488 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.00818/1.469, allocations: 1.818 MB / 0.9328 GB, free: 7.035 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.02193/1.491, allocations: 6.044 MB / 0.9387 GB, free: 5.434 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.01091/1.502, allocations: 3.049 MB / 0.9417 GB, free: 4.68 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.02057/1.522, allocations: 13.95 MB / 0.9553 GB, free: 2.148 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.007252/1.53, allocations: 3.37 MB / 0.9586 GB, free: 0.7773 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01616/1.546, allocations: 5.677 MB / 0.9641 GB, free: 12.54 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.008779/1.555, allocations: 3.663 MB / 0.9677 GB, free: 9.559 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.002006/1.557, allocations: 212 kB / 0.9679 GB, free: 9.352 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01291/1.57, allocations: 3.404 MB / 0.9712 GB, free: 6.652 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.003093/1.573, allocations: 1.149 MB / 0.9724 GB, free: 5.797 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.003392/1.576, allocations: 1.06 MB / 0.9734 GB, free: 5.094 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01275/1.589, allocations: 6.368 MB / 0.9796 GB, free: 15.8 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 1.079e-05/1.589, allocations: 0 / 0.9796 GB, free: 15.8 MB / 0.67 GB Notification: Performance of FrontEnd: time 3.586e-06/1.589, allocations: 0 / 0.9796 GB, free: 15.8 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0003297/1.589, allocations: 4 kB / 0.9796 GB, free: 15.8 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 822 * Number of variables: 822 Notification: Performance of Generate backend data structure: time 0.017/1.606, allocations: 5.305 MB / 0.9848 GB, free: 10.88 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.568e-05/1.606, allocations: 11.97 kB / 0.9848 GB, free: 10.87 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01114/1.618, allocations: 2.217 MB / 0.987 GB, free: 8.691 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009301/1.627, allocations: 3.614 MB / 0.9905 GB, free: 6.156 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002792/1.63, allocations: 0.9161 MB / 0.9914 GB, free: 5.359 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001231/1.631, allocations: 355.3 kB / 0.9917 GB, free: 5.125 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01156/1.643, allocations: 4.89 MB / 0.9965 GB, free: 1.59 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.372e-05/1.643, allocations: 0 / 0.9965 GB, free: 1.59 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004032/1.643, allocations: 131.4 kB / 0.9966 GB, free: 1.562 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001673/1.643, allocations: 151.7 kB / 0.9968 GB, free: 1.418 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01406/1.657, allocations: 5.577 MB / 1.002 GB, free: 13.43 MB / 0.6856 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 0.03758/1.695, allocations: 19.75 MB / 1.022 GB, free: 10.54 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01045/1.705, allocations: 4.099 MB / 1.026 GB, free: 6.434 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005409/1.711, allocations: 2.153 MB / 1.028 GB, free: 4.281 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001167/1.712, allocations: 0.6984 MB / 1.028 GB, free: 3.473 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.005989/1.718, allocations: 2.405 MB / 1.031 GB, free: 1.051 MB / 0.7012 GB Notification: Performance of pre-optimization done (n=251): time 5.48e-06/1.718, allocations: 0 / 1.031 GB, free: 1.051 MB / 0.7012 GB Notification: Performance of matching and sorting (n=251): time 0.01671/1.735, allocations: 6.108 MB / 1.037 GB, free: 10.93 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001174/1.735, allocations: 111.1 kB / 1.037 GB, free: 10.8 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005771/1.741, allocations: 3.608 MB / 1.04 GB, free: 7.188 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0008181/1.742, allocations: 89.7 kB / 1.04 GB, free: 7.094 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001708/1.743, allocations: 1.836 MB / 1.042 GB, free: 5.254 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.001019/1.744, allocations: 0.8416 MB / 1.043 GB, free: 4.422 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002115/1.745, allocations: 63.94 kB / 1.043 GB, free: 4.359 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0002127/1.745, allocations: 432.5 kB / 1.043 GB, free: 3.93 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005026/1.75, allocations: 2.02 MB / 1.045 GB, free: 1.906 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005787/1.756, allocations: 2.82 MB / 1.048 GB, free: 14.8 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005418/1.761, allocations: 2.162 MB / 1.05 GB, free: 12.62 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.496e-05/1.761, allocations: 4 kB / 1.05 GB, free: 12.62 MB / 0.7325 GB Notification: Performance of matching and sorting (n=404) (initialization): time 0.01346/1.775, allocations: 5.238 MB / 1.055 GB, free: 7.332 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003832/1.775, allocations: 492.4 kB / 1.056 GB, free: 6.68 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.611e-05/1.775, allocations: 16 kB / 1.056 GB, free: 6.664 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.402e-05/1.775, allocations: 31.94 kB / 1.056 GB, free: 6.633 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00631/1.781, allocations: 1.252 MB / 1.057 GB, free: 5.379 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003188/1.785, allocations: 5.966 MB / 1.063 GB, free: 15.18 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006131/1.791, allocations: 0.8531 MB / 1.064 GB, free: 14.32 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007589/1.792, allocations: 162.9 kB / 1.064 GB, free: 14.17 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 1.362e-05/1.792, allocations: 4 kB / 1.064 GB, free: 14.16 MB / 0.7481 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01147/1.803, allocations: 4.852 MB / 1.069 GB, free: 9.277 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.446e-05/1.803, allocations: 12 kB / 1.069 GB, free: 9.266 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.087e-05/1.803, allocations: 28 kB / 1.069 GB, free: 9.238 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004788/1.808, allocations: 1.104 MB / 1.07 GB, free: 8.133 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.787e-05/1.808, allocations: 35.92 kB / 1.07 GB, free: 8.098 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005555/1.814, allocations: 0.8192 MB / 1.071 GB, free: 7.277 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005517/1.814, allocations: 155.9 kB / 1.071 GB, free: 7.125 MB / 0.7481 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 52 * Number of states: 0 () * Number of discrete variables: 15 (hexCroUnm.flowRegime,$whenCondition1,hexPar.flowRegime,hexCou.flowRegime,hexCroC1Mix.flowRegime,hexCroC1Unm.flowRegime,$PRE.trapezoid.T_start,trapezoid.T_start,$PRE.trapezoid.count,trapezoid.count,hexPar.flowRegime_nominal,hexCou.flowRegime_nominal,hexCroC1Mix.flowRegime_nominal,hexCroC1Unm.flowRegime_nominal,hexCroUnm.flowRegime_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (403): * Single equations (assignments): 392 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 10 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 10 {1,1,1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.002687/1.817, allocations: 0.9204 MB / 1.072 GB, free: 6.195 MB / 0.7481 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001506/1.818, allocations: 434.7 kB / 1.072 GB, free: 5.766 MB / 0.7481 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01168/1.83, allocations: 4.883 MB / 1.077 GB, free: 0.8516 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.206e-05/1.83, allocations: 31.94 kB / 1.077 GB, free: 0.8203 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.203e-05/1.83, allocations: 0 / 1.077 GB, free: 0.8203 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.589e-05/1.83, allocations: 15.95 kB / 1.077 GB, free: 0.8047 MB / 0.7481 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02073/1.851, allocations: 9.261 MB / 1.086 GB, free: 7.438 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.511e-05/1.851, allocations: 7.938 kB / 1.086 GB, free: 7.43 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.004078/1.855, allocations: 0.897 MB / 1.087 GB, free: 6.535 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 3.015e-05/1.855, allocations: 15.98 kB / 1.087 GB, free: 6.52 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002242/1.855, allocations: 87.94 kB / 1.087 GB, free: 6.434 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003058/1.858, allocations: 5.943 MB / 1.093 GB, free: 264 kB / 0.7637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.164e-06/1.858, allocations: 7.938 kB / 1.093 GB, free: 256 kB / 0.7637 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01148/1.87, allocations: 4.789 MB / 1.097 GB, free: 11.3 MB / 0.7794 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002669/1.873, allocations: 0.9865 MB / 1.098 GB, free: 10.29 MB / 0.7794 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008539/1.874, allocations: 52 kB / 1.098 GB, free: 10.23 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004339/1.878, allocations: 0.5969 MB / 1.099 GB, free: 9.637 MB / 0.7794 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0004081/1.878, allocations: 201.7 kB / 1.099 GB, free: 9.438 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003105/1.879, allocations: 127.9 kB / 1.099 GB, free: 9.312 MB / 0.7794 GB Notification: Performance of sorting global known variables: time 0.004925/1.884, allocations: 2.365 MB / 1.102 GB, free: 6.949 MB / 0.7794 GB Notification: Performance of sort global known variables: time 1.4e-07/1.884, allocations: 0 / 1.102 GB, free: 6.949 MB / 0.7794 GB Notification: Performance of remove unused functions: time 0.009648/1.893, allocations: 2.293 MB / 1.104 GB, free: 4.652 MB / 0.7794 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 0 () * Number of discrete variables: 7 ($whenCondition1,hexPar.flowRegime,hexCou.flowRegime,hexCroC1Mix.flowRegime,hexCroC1Unm.flowRegime,trapezoid.T_start,trapezoid.count) * Number of discrete states: 1 (trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (283): * Single equations (assignments): 269 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 10 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 10 {1,1,1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002221/1.896, allocations: 0.7137 MB / 1.105 GB, free: 3.977 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.4661/2.362, allocations: 7.622 MB / 1.112 GB, free: 343.3 MB / 0.7794 GB Notification: Performance of simCode: created event and clocks part: time 1.843e-05/2.362, allocations: 1.594 kB / 1.112 GB, free: 343.3 MB / 0.7794 GB Notification: Performance of simCode: created simulation system equations: time 0.006958/2.369, allocations: 2.406 MB / 1.114 GB, free: 343.2 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01144/2.38, allocations: 2.045 MB / 1.116 GB, free: 342.8 MB / 0.7794 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02097/2.401, allocations: 9.736 MB / 1.126 GB, free: 338 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002218/2.403, allocations: 2.377 MB / 1.128 GB, free: 337.2 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002642/2.406, allocations: 421.5 kB / 1.129 GB, free: 337.1 MB / 0.7794 GB Notification: Performance of SimCode: time 1.392e-06/2.406, allocations: 0 / 1.129 GB, free: 337.1 MB / 0.7794 GB Notification: Performance of Templates: time 0.2277/2.634, allocations: 270.2 MB / 1.392 GB, free: 81.67 MB / 0.7794 GB make -j1 -f IDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU.makefile make -j1 -f IDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTU.makefile clang++ NOTFOUND -Winvalid-pch -O0 -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/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Resources/C-Sources" -I"." -I"." -I"/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/include/omc/c/sundials" "-I/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Resources/C-Sources" -DMEASURETIME_PROFILEBLOCKS -DUSE_LOGGER -c -o OMCppIDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTUCalcHelperMain.o OMCppIDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTUCalcHelperMain.cpp clang: error: no such file or directory: 'NOTFOUND' make: *** [: OMCppIDEAS_IDEAS.Fluid.HeatExchangers.Validation.DryCoilEffectivenessNTUCalcHelperMain.o] Error 1