Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.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) 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(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|bodyOfConstraint.body.w_a.1.|bodyOfConstraint.body.w_a.2.|bodyOfConstraint.body.w_a.3.|bodyOfJoint.body.w_a.2.|joint.phi",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint") translateModel(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|bodyOfConstraint.body.w_a.1.|bodyOfConstraint.body.w_a.2.|bodyOfConstraint.body.w_a.3.|bodyOfJoint.body.w_a.2.|joint.phi",fileNamePrefix="Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001249/0.001249, allocations: 105.5 kB / 17.81 MB, free: 5.695 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001112/0.001112, allocations: 190 kB / 18.72 MB, free: 4.781 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.793/1.793, allocations: 205.1 MB / 224.6 MB, free: 12.5 MB / 190.1 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 0.001351/0.001351, allocations: 51.94 kB / 280.6 MB, free: 3.594 MB / 222.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1302/0.1315, allocations: 46.63 MB / 327.2 MB, free: 4.902 MB / 270.1 MB Notification: Performance of NFInst.instantiate(Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint): time 0.367/0.4986, allocations: 86.09 MB / 413.3 MB, free: 8.051 MB / 318.1 MB Notification: Performance of NFInst.instExpressions: time 0.0557/0.5544, allocations: 17.34 MB / 430.7 MB, free: 12.66 MB / 334.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.03101/0.5856, allocations: 393.6 kB / 431.1 MB, free: 12.59 MB / 334.1 MB Notification: Performance of NFTyping.typeComponents: time 0.01382/0.5994, allocations: 6.085 MB / 437.2 MB, free: 8.219 MB / 334.1 MB Notification: Performance of NFTyping.typeBindings: time 0.01088/0.6104, allocations: 2.503 MB / 439.7 MB, free: 5.707 MB / 334.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.007946/0.6184, allocations: 2.328 MB / 442 MB, free: 3.375 MB / 334.1 MB Notification: Performance of NFFlatten.flatten: time 0.01609/0.6345, allocations: 9.747 MB / 451.7 MB, free: 9.609 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01556/0.6501, allocations: 8.13 MB / 459.9 MB, free: 1.414 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.007581/0.6578, allocations: 2.609 MB / 462.5 MB, free: 14.8 MB / 366.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.007978/0.6658, allocations: 3.852 MB / 466.3 MB, free: 10.93 MB / 366.1 MB Notification: Performance of NFPackage.collectConstants: time 0.003177/0.6691, allocations: 487.9 kB / 466.8 MB, free: 10.46 MB / 366.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006625/0.6757, allocations: 1.779 MB / 468.6 MB, free: 8.676 MB / 366.1 MB Notification: Performance of NFScalarize.scalarize: time 0.006853/0.6826, allocations: 3.246 MB / 471.8 MB, free: 5.422 MB / 366.1 MB Notification: Performance of NFVerifyModel.verify: time 0.01042/0.6931, allocations: 3.686 MB / 475.5 MB, free: 1.715 MB / 366.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01532/0.7084, allocations: 9.769 MB / 485.3 MB, free: 7.926 MB / 382.1 MB Notification: Performance of FrontEnd - DAE generated: time 1.102e-05/0.7085, allocations: 0 / 485.3 MB, free: 7.926 MB / 382.1 MB Notification: Performance of FrontEnd: time 2.194e-06/0.7085, allocations: 3.938 kB / 485.3 MB, free: 7.922 MB / 382.1 MB Notification: Performance of Transformations before backend: time 0.0006636/0.7092, allocations: 0 / 485.3 MB, free: 7.922 MB / 382.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2390 * Number of variables: 2390 Notification: Performance of Generate backend data structure: time 0.03441/0.7436, allocations: 8.35 MB / 493.6 MB, free: 15.49 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 6.113e-05/0.7437, allocations: 8.031 kB / 493.6 MB, free: 15.48 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01025/0.7539, allocations: 2.273 MB / 495.9 MB, free: 13.2 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01338/0.7674, allocations: 4.188 MB / 0.4884 GB, free: 8.926 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006338/0.768, allocations: 439.7 kB / 0.4888 GB, free: 8.496 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.003609/0.7717, allocations: 0.5777 MB / 0.4894 GB, free: 7.918 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.04592/0.8176, allocations: 16.81 MB / 0.5058 GB, free: 6.207 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0005364/0.8182, allocations: 59.47 kB / 0.5058 GB, free: 6.148 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.003275/0.8215, allocations: 263.8 kB / 0.5061 GB, free: 5.891 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.005392/0.8269, allocations: 2.635 MB / 0.5087 GB, free: 3.25 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03781/0.8648, allocations: 14.4 MB / 0.5227 GB, free: 4.832 MB / 430.1 MB 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 0.571/1.436, allocations: 63.29 MB / 0.5845 GB, free: 123.3 MB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.02197/1.458, allocations: 7.661 MB / 0.592 GB, free: 119.4 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.005189/1.463, allocations: 3.997 MB / 0.5959 GB, free: 117.2 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.02233/1.485, allocations: 16.78 MB / 0.6123 GB, free: 101.6 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.271e-05/1.486, allocations: 64.56 kB / 0.6124 GB, free: 101.5 MB / 446.1 MB Notification: Performance of pre-optimization done (n=274): time 6.292e-06/1.486, allocations: 0 / 0.6124 GB, free: 101.5 MB / 446.1 MB Notification: Performance of matching and sorting (n=340): time 0.1269/1.613, allocations: 42.92 MB / 0.6543 GB, free: 58.37 MB / 446.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.02144/1.634, allocations: 16.31 MB / 0.6702 GB, free: 41.52 MB / 446.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01189/1.646, allocations: 5.747 MB / 0.6758 GB, free: 35.8 MB / 446.1 MB Notification: Performance of collectPreVariables (initialization): time 0.001163/1.647, allocations: 77.7 kB / 0.6759 GB, free: 35.71 MB / 446.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.002998/1.65, allocations: 4.734 MB / 0.6805 GB, free: 30.96 MB / 446.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.001891/1.652, allocations: 1.268 MB / 0.6817 GB, free: 29.67 MB / 446.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.002824/1.655, allocations: 1.915 MB / 0.6836 GB, free: 27.74 MB / 446.1 MB Notification: Performance of setup shared object (initialization): time 5.253e-05/1.655, allocations: 305.1 kB / 0.6839 GB, free: 27.44 MB / 446.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0051/1.66, allocations: 4.129 MB / 0.6879 GB, free: 23.3 MB / 446.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008232/1.668, allocations: 9.382 MB / 0.6971 GB, free: 11.34 MB / 446.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.3225/1.991, allocations: 14.61 MB / 0.7114 GB, free: 140.9 MB / 446.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0003441/1.991, allocations: 52.66 kB / 0.7114 GB, free: 140.9 MB / 446.1 MB Notification: Performance of matching and sorting (n=1205) (initialization): time 0.04638/2.038, allocations: 17.61 MB / 0.7286 GB, free: 136.4 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.000301/2.038, allocations: 83.88 kB / 0.7287 GB, free: 136.4 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0004249/2.038, allocations: 188.8 kB / 0.7289 GB, free: 136.4 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01503/2.054, allocations: 4.555 MB / 0.7333 GB, free: 135.6 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007564/2.061, allocations: 2.046 MB / 0.7353 GB, free: 135.4 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04034/2.102, allocations: 34.09 MB / 0.7686 GB, free: 105.8 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008759/2.11, allocations: 0.5468 MB / 0.7691 GB, free: 105.3 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001937/2.112, allocations: 0.5624 MB / 0.7697 GB, free: 104.7 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 839 * Number of states: 0 () * Number of discrete variables: 60 (freeMotionScalarInit.arrowColor[3],freeMotionScalarInit.arrowColor[2],freeMotionScalarInit.arrowColor[1],fixedTranslation.color[3],fixedTranslation.color[2],fixedTranslation.color[1],fixedRotation.color[3],fixedRotation.color[2],fixedRotation.color[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],springOfConstraint.color[3],springOfConstraint.color[2],springOfConstraint.color[1],springOfConstraint.massColor[3],springOfConstraint.massColor[2],springOfConstraint.massColor[1],springOfJoint.color[3],springOfJoint.color[2],springOfJoint.color[1],springOfJoint.massColor[3],springOfJoint.massColor[2],springOfJoint.massColor[1],bodyOfConstraint.color[3],bodyOfConstraint.color[2],bodyOfConstraint.color[1],bodyOfConstraint.body.sphereColor[3],bodyOfConstraint.body.sphereColor[2],bodyOfConstraint.body.sphereColor[1],bodyOfConstraint.frameTranslation.color[3],bodyOfConstraint.frameTranslation.color[2],bodyOfConstraint.frameTranslation.color[1],bodyOfJoint.color[3],bodyOfJoint.color[2],bodyOfJoint.color[1],bodyOfJoint.body.sphereColor[3],bodyOfJoint.body.sphereColor[2],bodyOfJoint.body.sphereColor[1],bodyOfJoint.frameTranslation.color[3],bodyOfJoint.frameTranslation.color[2],bodyOfJoint.frameTranslation.color[1],sensorConstraintRelative.arrowColor[3],sensorConstraintRelative.arrowColor[2],sensorConstraintRelative.arrowColor[1],constraint.sphereColor[3],constraint.sphereColor[2],constraint.sphereColor[1],joint.cylinderColor[3],joint.cylinderColor[2],joint.cylinderColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1074): * Single equations (assignments): 1061 * Array equations: 6 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 7 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 6 systems {(3,33,100.0%), (2,19,100.0%), (2,13,100.0%), (2,1,100.0%), (2,1,100.0%), (2,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(2,19)} Notification: Performance of prepare postOptimizeDAE: time 0.006703/2.119, allocations: 3.272 MB / 0.7729 GB, free: 101.5 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00162/2.121, allocations: 0.5256 MB / 0.7734 GB, free: 101.3 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01853/2.139, allocations: 9.945 MB / 0.7831 GB, free: 91.19 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.043e-05/2.139, allocations: 51.73 kB / 0.7832 GB, free: 91.14 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.01575/2.155, allocations: 8.507 MB / 0.7915 GB, free: 82.51 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.308e-05/2.155, allocations: 11.95 kB / 0.7915 GB, free: 82.5 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04683/2.202, allocations: 22.73 MB / 0.8137 GB, free: 59.69 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.394e-05/2.202, allocations: 4 kB / 0.8137 GB, free: 59.68 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002359/2.204, allocations: 483.9 kB / 0.8141 GB, free: 59.21 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.01004/2.214, allocations: 3.29 MB / 0.8174 GB, free: 55.91 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000633/2.215, allocations: 67.39 kB / 0.8174 GB, free: 55.85 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02991/2.245, allocations: 24.43 MB / 0.8413 GB, free: 30.9 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.01423/2.259, allocations: 10.65 MB / 0.8517 GB, free: 19.96 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02544/2.285, allocations: 13.92 MB / 0.8653 GB, free: 5.859 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.003459/2.288, allocations: 1.115 MB / 0.8664 GB, free: 4.719 MB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.002168/2.291, allocations: 56 kB / 0.8664 GB, free: 4.664 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00421/2.295, allocations: 215.7 kB / 0.8666 GB, free: 4.453 MB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001133/2.296, allocations: 241.5 kB / 0.8669 GB, free: 4.215 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004585/2.296, allocations: 95.92 kB / 0.8669 GB, free: 4.121 MB / 446.1 MB Notification: Performance of sorting global known variables: time 0.3051/2.602, allocations: 3.58 MB / 0.8704 GB, free: 136.2 MB / 446.1 MB Notification: Performance of sort global known variables: time 2.766e-06/2.602, allocations: 0 / 0.8704 GB, free: 136.2 MB / 446.1 MB Notification: Performance of remove unused functions: time 0.01592/2.618, allocations: 2.001 MB / 0.8724 GB, free: 136.2 MB / 446.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 25 * Number of states: 4 ($STATESET2.x,$STATESET1.x,joint.phi,joint.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 (220): * Single equations (assignments): 212 * Array equations: 4 * 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): 3 systems {(1,11,100.0%), (3,30,100.0%), (3,21,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(3,25)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001972/2.62, allocations: 266 kB / 0.8726 GB, free: 136.1 MB / 446.1 MB Notification: Performance of simCode: created initialization part: time 0.02415/2.644, allocations: 10.76 MB / 0.8832 GB, free: 134.7 MB / 446.1 MB Notification: Performance of simCode: created event and clocks part: time 1.417e-05/2.644, allocations: 0 / 0.8832 GB, free: 134.7 MB / 446.1 MB Notification: Performance of simCode: created simulation system equations: time 0.008062/2.652, allocations: 4.158 MB / 0.8872 GB, free: 133.2 MB / 446.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01045/2.662, allocations: 0.7959 MB / 0.888 GB, free: 132.9 MB / 446.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04298/2.705, allocations: 20.4 MB / 0.9079 GB, free: 120.9 MB / 446.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007634/2.713, allocations: 4.976 MB / 0.9128 GB, free: 117.1 MB / 446.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002256/2.715, allocations: 431.8 kB / 0.9132 GB, free: 116.7 MB / 446.1 MB Notification: Performance of SimCode: time 2.304e-06/2.715, allocations: 3.469 kB / 0.9132 GB, free: 116.7 MB / 446.1 MB Notification: Performance of Templates: time 0.6396/3.355, allocations: 261.9 MB / 1.169 GB, free: 14.05 MB / 446.1 MB make -j1 -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.makefile make -j1 -f Modelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraint.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 OMCppModelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraintCalcHelperMain.o OMCppModelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraintCalcHelperMain.cpp clang: error: no such file or directory: 'NOTFOUND' make: *** [: OMCppModelica_3.2.3_Modelica.Mechanics.MultiBody.Examples.Constraints.RevoluteConstraintCalcHelperMain.o] Error 1