Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2.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/ModelicaTest 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/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(ModelicaTest.MultiBody.Forces.FrameTorques2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2") translateModel(ModelicaTest.MultiBody.Forces.FrameTorques2,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|Revolute1.phi|Revolute1.w|Revolute2.phi|Revolute2.w|Revolute3.phi|Revolute3.w|Revolute4.phi|Revolute4.w",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001264/0.001264, allocations: 89.16 kB / 16.67 MB, free: 6.59 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00131/0.00131, allocations: 179 kB / 17.57 MB, free: 6.191 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.978/1.978, allocations: 205.4 MB / 223.8 MB, free: 13.08 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.2968/0.2968, allocations: 43.59 MB / 315.6 MB, free: 428 kB / 254.1 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 0.0006414/0.0006413, allocations: 16.47 kB / 385.2 MB, free: 56.59 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1579/0.1586, allocations: 58.87 MB / 444.1 MB, free: 5.164 MB / 318.1 MB Notification: Performance of NFInst.instantiate(ModelicaTest.MultiBody.Forces.FrameTorques2): time 0.565/0.7237, allocations: 122.9 MB / 0.5537 GB, free: 1.398 MB / 414.1 MB Notification: Performance of NFInst.instExpressions: time 0.07859/0.8023, allocations: 23.52 MB / 0.5767 GB, free: 13.75 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.04044/0.8428, allocations: 0.5278 MB / 0.5772 GB, free: 13.67 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.004534/0.8474, allocations: 0.7826 MB / 0.578 GB, free: 13.35 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01329/0.8607, allocations: 3.153 MB / 0.5811 GB, free: 11.49 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.004823/0.8656, allocations: 1.253 MB / 0.5823 GB, free: 10.73 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.02414/0.8898, allocations: 14.2 MB / 0.5962 GB, free: 3.973 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0202/0.9101, allocations: 11.54 MB / 0.6074 GB, free: 11.28 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007365/0.9175, allocations: 2.469 MB / 0.6098 GB, free: 8.906 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.008906/0.9264, allocations: 4.347 MB / 0.6141 GB, free: 4.836 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.002245/0.9287, allocations: 308 kB / 0.6144 GB, free: 4.535 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.004988/0.9337, allocations: 1.378 MB / 0.6157 GB, free: 3.207 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.006533/0.9403, allocations: 3.791 MB / 0.6194 GB, free: 15.43 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 0.009347/0.9497, allocations: 4.186 MB / 0.6235 GB, free: 11.23 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0206/0.9703, allocations: 11.62 MB / 0.6349 GB, free: 15.92 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 8.646e-06/0.9704, allocations: 0 / 0.6349 GB, free: 15.92 MB / 478.1 MB Notification: Performance of FrontEnd: time 2.936e-06/0.9704, allocations: 3.938 kB / 0.6349 GB, free: 15.92 MB / 478.1 MB Notification: Performance of Transformations before backend: time 0.0008552/0.9712, allocations: 0 / 0.6349 GB, free: 15.92 MB / 478.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2951 * Number of variables: 2951 Notification: Performance of Generate backend data structure: time 0.02864/0.9999, allocations: 8.23 MB / 0.6429 GB, free: 7.645 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 6.171e-05/1, allocations: 8.031 kB / 0.6429 GB, free: 7.637 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0223/1.022, allocations: 3.801 MB / 0.6466 GB, free: 3.824 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01882/1.041, allocations: 6.565 MB / 0.653 GB, free: 13.25 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006392/1.042, allocations: 0.4913 MB / 0.6535 GB, free: 12.82 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003407/1.045, allocations: 0.6709 MB / 0.6542 GB, free: 12.22 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0533/1.099, allocations: 19.94 MB / 0.6736 GB, free: 7.309 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0007235/1.099, allocations: 91.14 kB / 0.6737 GB, free: 7.219 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003182/1.103, allocations: 315.7 kB / 0.674 GB, free: 6.977 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.007363/1.11, allocations: 3.605 MB / 0.6776 GB, free: 3.387 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04662/1.157, allocations: 16.79 MB / 0.694 GB, free: 2.578 MB / 0.5137 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4977/1.654, allocations: 73.18 MB / 0.7654 GB, free: 185.9 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0229/1.677, allocations: 8.51 MB / 0.7737 GB, free: 185.2 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.009009/1.686, allocations: 4.546 MB / 0.7782 GB, free: 184.7 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008238/1.687, allocations: 0.6635 MB / 0.7788 GB, free: 184.1 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.651e-05/1.687, allocations: 72.72 kB / 0.7789 GB, free: 184.1 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=311): time 1.021e-05/1.687, allocations: 0 / 0.7789 GB, free: 184.1 MB / 0.5606 GB Notification: Performance of matching and sorting (n=335): time 0.1053/1.793, allocations: 35.73 MB / 0.8138 GB, free: 163 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001565/1.793, allocations: 298.4 kB / 0.8141 GB, free: 162.7 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01773/1.811, allocations: 7.814 MB / 0.8217 GB, free: 154.9 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.001141/1.812, allocations: 74.33 kB / 0.8218 GB, free: 154.8 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.004634/1.816, allocations: 5.742 MB / 0.8274 GB, free: 149.1 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.002346/1.819, allocations: 1.279 MB / 0.8286 GB, free: 147.8 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002803/1.822, allocations: 0.8812 MB / 0.8295 GB, free: 146.9 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 8.003e-05/1.822, allocations: 308.4 kB / 0.8298 GB, free: 146.6 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007288/1.829, allocations: 4.119 MB / 0.8338 GB, free: 142.5 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01164/1.841, allocations: 9.843 MB / 0.8434 GB, free: 130.1 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01722/1.858, allocations: 14.9 MB / 0.858 GB, free: 112.6 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0002749/1.858, allocations: 60 kB / 0.858 GB, free: 112.5 MB / 0.5606 GB Notification: Performance of matching and sorting (n=1330) (initialization): time 0.03432/1.893, allocations: 15.83 MB / 0.8735 GB, free: 96.69 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004926/1.893, allocations: 92 kB / 0.8736 GB, free: 96.6 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0005955/1.894, allocations: 196 kB / 0.8737 GB, free: 96.41 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.006907/1.901, allocations: 2.322 MB / 0.876 GB, free: 94.07 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.008742/1.91, allocations: 2.363 MB / 0.8783 GB, free: 91.71 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01764/1.927, allocations: 15.61 MB / 0.8936 GB, free: 75.57 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01189/1.939, allocations: 0.5829 MB / 0.8941 GB, free: 74.99 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00323/1.942, allocations: 0.5781 MB / 0.8947 GB, free: 74.41 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 907 * Number of states: 0 () * Number of discrete variables: 66 (Revolute4.cylinderColor[3],Revolute4.cylinderColor[2],Revolute4.cylinderColor[1],frameTorque4.color[3],frameTorque4.color[2],frameTorque4.color[1],frameTorque3.color[3],frameTorque3.color[2],frameTorque3.color[1],body4.color[3],body4.color[2],body4.color[1],body4.body.sphereColor[3],body4.body.sphereColor[2],body4.body.sphereColor[1],body3.color[3],body3.color[2],body3.color[1],body3.body.sphereColor[3],body3.body.sphereColor[2],body3.body.sphereColor[1],Revolute3.cylinderColor[3],Revolute3.cylinderColor[2],Revolute3.cylinderColor[1],Revolute2.cylinderColor[3],Revolute2.cylinderColor[2],Revolute2.cylinderColor[1],frameTorque2.color[3],frameTorque2.color[2],frameTorque2.color[1],frameTorque1.color[3],frameTorque1.color[2],frameTorque1.color[1],fixed2.color[3],fixed2.color[2],fixed2.color[1],body2.color[3],body2.color[2],body2.color[1],body2.body.sphereColor[3],body2.body.sphereColor[2],body2.body.sphereColor[1],fixed1.color[3],fixed1.color[2],fixed1.color[1],body1.color[3],body1.color[2],body1.color[1],body1.body.sphereColor[3],body1.body.sphereColor[2],body1.body.sphereColor[1],Revolute1.cylinderColor[3],Revolute1.cylinderColor[2],Revolute1.cylinderColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1250): * Single equations (assignments): 1243 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(1,14,100.0%), (1,14,100.0%), (1,14,100.0%), (1,14,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.01165/1.954, allocations: 3.887 MB / 0.8985 GB, free: 70.51 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002441/1.957, allocations: 0.6672 MB / 0.8991 GB, free: 69.84 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01835/1.975, allocations: 7.994 MB / 0.907 GB, free: 61.8 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.858e-05/1.975, allocations: 32 kB / 0.907 GB, free: 61.77 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.387e-05/1.975, allocations: 12 kB / 0.907 GB, free: 61.76 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.839e-05/1.975, allocations: 15.94 kB / 0.907 GB, free: 61.75 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04029/2.016, allocations: 17.39 MB / 0.924 GB, free: 44.36 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.3e-05/2.016, allocations: 0 / 0.924 GB, free: 44.36 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002978/2.019, allocations: 0.5584 MB / 0.9245 GB, free: 43.8 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00545/2.024, allocations: 2.003 MB / 0.9265 GB, free: 41.78 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007272/2.025, allocations: 56 kB / 0.9265 GB, free: 41.73 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01562/2.041, allocations: 14.46 MB / 0.9407 GB, free: 26.73 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.821e-06/2.041, allocations: 4.031 kB / 0.9407 GB, free: 26.73 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02313/2.064, allocations: 12.4 MB / 0.9528 GB, free: 14.23 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.004736/2.069, allocations: 1.293 MB / 0.9541 GB, free: 12.91 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003622/2.072, allocations: 52 kB / 0.9541 GB, free: 12.86 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005868/2.078, allocations: 243.7 kB / 0.9543 GB, free: 12.62 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001212/2.079, allocations: 202.2 kB / 0.9545 GB, free: 12.42 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0006665/2.08, allocations: 85.02 kB / 0.9546 GB, free: 12.34 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.01245/2.093, allocations: 4.996 MB / 0.9595 GB, free: 7.379 MB / 0.5606 GB Notification: Performance of sort global known variables: time 8.61e-07/2.093, allocations: 0 / 0.9595 GB, free: 7.379 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.01433/2.107, allocations: 2.01 MB / 0.9614 GB, free: 5.375 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 8 (Revolute3.phi,Revolute3.w,Revolute4.phi,Revolute4.w,Revolute1.phi,Revolute1.w,Revolute2.phi,Revolute2.w) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (276): * Single equations (assignments): 269 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(1,11,100.0%), (1,11,100.0%), (1,11,100.0%), (1,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001248/2.108, allocations: 211.9 kB / 0.9617 GB, free: 5.164 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.3182/2.426, allocations: 10.09 MB / 0.9715 GB, free: 211.7 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 2.405e-05/2.426, allocations: 4.531 kB / 0.9715 GB, free: 211.7 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.00841/2.435, allocations: 3.646 MB / 0.9751 GB, free: 211.2 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01029/2.445, allocations: 0.9126 MB / 0.976 GB, free: 211.2 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05809/2.503, allocations: 23.83 MB / 0.9992 GB, free: 199.6 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.01027/2.514, allocations: 5.89 MB / 1.005 GB, free: 197.7 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003004/2.517, allocations: 0.5157 MB / 1.005 GB, free: 197.6 MB / 0.5606 GB Notification: Performance of SimCode: time 1.613e-06/2.517, allocations: 0 / 1.005 GB, free: 197.6 MB / 0.5606 GB Notification: Performance of Templates: time 0.7686/3.285, allocations: 258.1 MB / 1.258 GB, free: 140.4 MB / 0.5606 GB make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2.makefile make -j1 -f ModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2.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 OMCppModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2CalcHelperMain.o OMCppModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2CalcHelperMain.cpp clang: error: no such file or directory: 'NOTFOUND' make: *** [: OMCppModelicaTest_3.2.3_ModelicaTest.MultiBody.Forces.FrameTorques2CalcHelperMain.o] Error 1