Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.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/Modelica 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/OpenIPSL 3.1.0-master/package.mo", uses=false) Using package OpenIPSL with version 3.1.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/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 Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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(OpenIPSL.Examples.IEEE9.IEEE_9_Buses,tolerance=1e-06,outputFormat="empty",numberOfIntervals=40000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses") translateModel(OpenIPSL.Examples.IEEE9.IEEE_9_Buses,tolerance=1e-06,outputFormat="empty",numberOfIntervals=40000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001139/0.001139, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.369/1.369, allocations: 222.9 MB / 239.2 MB, free: 4.578 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001502/0.001502, allocations: 184.5 kB / 289.5 MB, free: 2.301 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo): time 0.5276/0.5276, allocations: 91.9 MB / 431.6 MB, free: 9.25 MB / 302.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001794/0.001795, allocations: 79.88 kB / 0.5019 GB, free: 7.727 MB / 382.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.359/0.3608, allocations: 71.27 MB / 0.5715 GB, free: 36.52 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Examples.IEEE9.IEEE_9_Buses): time 0.009621/0.3705, allocations: 13.12 MB / 0.5843 GB, free: 27.91 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.007267/0.3778, allocations: 3.578 MB / 0.5878 GB, free: 25.32 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003255/0.3811, allocations: 26.62 kB / 0.5878 GB, free: 25.32 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.002099/0.3832, allocations: 0.5038 MB / 0.5883 GB, free: 25.03 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006867/0.3902, allocations: 1.441 MB / 0.5897 GB, free: 24.05 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005308/0.3955, allocations: 1.324 MB / 0.591 GB, free: 23.32 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.008913/0.4044, allocations: 4.022 MB / 0.5949 GB, free: 21.24 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002185/0.4067, allocations: 0.922 MB / 0.5958 GB, free: 20.75 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003682/0.4104, allocations: 1.568 MB / 0.5973 GB, free: 19.93 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.00396/0.4144, allocations: 1.904 MB / 0.5992 GB, free: 18.95 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001849/0.4163, allocations: 356.8 kB / 0.5995 GB, free: 18.95 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002502/0.4188, allocations: 0.4916 MB / 0.6 GB, free: 18.91 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001124/0.42, allocations: 0.8088 MB / 0.6008 GB, free: 18.36 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003035/0.423, allocations: 1.682 MB / 0.6024 GB, free: 17.17 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.007228/0.4302, allocations: 4.344 MB / 0.6067 GB, free: 15.28 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 7.795e-06/0.4303, allocations: 0 / 0.6067 GB, free: 15.28 MB / 430.1 MB Notification: Performance of FrontEnd: time 2.415e-06/0.4303, allocations: 0 / 0.6067 GB, free: 15.28 MB / 430.1 MB Notification: Performance of Transformations before backend: time 0.0002319/0.4306, allocations: 0 / 0.6067 GB, free: 15.28 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 457 * Number of variables: 457 Notification: Performance of Generate backend data structure: time 0.02291/0.4535, allocations: 5.326 MB / 0.6119 GB, free: 12.75 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 5.004e-05/0.4535, allocations: 10.38 kB / 0.6119 GB, free: 12.75 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01152/0.4651, allocations: 1.613 MB / 0.6135 GB, free: 12.39 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005503/0.4706, allocations: 1.99 MB / 0.6154 GB, free: 11.16 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005632/0.4712, allocations: 471.5 kB / 0.6159 GB, free: 10.77 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009747/0.4722, allocations: 195.1 kB / 0.6161 GB, free: 10.71 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006363/0.4786, allocations: 2.381 MB / 0.6184 GB, free: 9.777 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.546e-05/0.4787, allocations: 5.094 kB / 0.6184 GB, free: 9.773 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002589/0.479, allocations: 73.08 kB / 0.6185 GB, free: 9.719 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.144e-05/0.479, allocations: 43.31 kB / 0.6185 GB, free: 9.719 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005907/0.4849, allocations: 2.21 MB / 0.6207 GB, free: 8.93 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 0.02167/0.5066, allocations: 9.113 MB / 0.6296 GB, free: 2.352 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01081/0.5175, allocations: 4.379 MB / 0.6338 GB, free: 13.93 MB / 446.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004099/0.5217, allocations: 1.539 MB / 0.6353 GB, free: 12.38 MB / 446.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003101/0.522, allocations: 37.97 kB / 0.6354 GB, free: 12.34 MB / 446.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.004562/0.5266, allocations: 1.762 MB / 0.6371 GB, free: 10.55 MB / 446.1 MB Notification: Performance of pre-optimization done (n=236): time 6.683e-06/0.5266, allocations: 0 / 0.6371 GB, free: 10.55 MB / 446.1 MB Notification: Performance of matching and sorting (n=236): time 0.07823/0.6049, allocations: 17.9 MB / 0.6546 GB, free: 8.512 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001497/0.6051, allocations: 235.6 kB / 0.6548 GB, free: 8.23 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004628/0.6097, allocations: 2.511 MB / 0.6572 GB, free: 5.703 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0007506/0.6105, allocations: 69.7 kB / 0.6573 GB, free: 5.629 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0009531/0.6114, allocations: 1.118 MB / 0.6584 GB, free: 4.5 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.001424/0.6129, allocations: 0.8436 MB / 0.6592 GB, free: 3.645 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001156/0.614, allocations: 0.5695 MB / 0.6598 GB, free: 3.066 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0001022/0.6141, allocations: 301.1 kB / 0.6601 GB, free: 2.77 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003232/0.6174, allocations: 1.592 MB / 0.6616 GB, free: 1.176 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003578/0.621, allocations: 1.914 MB / 0.6635 GB, free: 15.19 MB / 478.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.04688/0.6679, allocations: 11.04 MB / 0.6743 GB, free: 3.898 MB / 478.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.458e-05/0.6679, allocations: 4 kB / 0.6743 GB, free: 3.895 MB / 478.1 MB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02412/0.6921, allocations: 7.416 MB / 0.6815 GB, free: 12.39 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 0.000159/0.6923, allocations: 170.2 kB / 0.6817 GB, free: 12.18 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.29e-05/0.6923, allocations: 4 kB / 0.6817 GB, free: 12.18 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0117/0.704, allocations: 2.827 MB / 0.6844 GB, free: 9.328 MB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003636/0.7077, allocations: 0.6319 MB / 0.6851 GB, free: 8.695 MB / 494.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04008/0.7478, allocations: 19.19 MB / 0.7038 GB, free: 4.809 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005365/0.7532, allocations: 409.2 kB / 0.7042 GB, free: 4.406 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001075/0.7543, allocations: 120.1 kB / 0.7043 GB, free: 4.289 MB / 0.4981 GB Warning: Assuming fixed start value for the following 9 variables: gen3.gen.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real gen2.gen.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real gen1.gen.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real gen1.gen.delta:VARIABLE(flow=false start = gen1.gen.delta0 unit = "rad" fixed = true ) "Rotor angle" type: Real gen1.gen.e1q:VARIABLE(start = gen1.gen.e1q0 unit = "1" fixed = true ) "q-axis transient voltage" type: Real gen1.gen.e1d:VARIABLE(start = gen1.gen.e1d0 unit = "1" fixed = true ) "d-axis transient voltage" type: Real gen1.AVR.firstOrder2.y:VARIABLE(flow=false start = gen1.AVR.firstOrder2.y_start fixed = true ) "Connector of Real output signal" type: Real gen2.gen.delta:VARIABLE(flow=false start = gen2.gen.delta0 unit = "rad" fixed = true ) "Rotor angle" type: Real gen2.gen.e1q:VARIABLE(start = gen2.gen.e1q0 unit = "1" fixed = true ) "q-axis transient voltage" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 22 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$whenCondition4,$whenCondition3,$whenCondition6,$whenCondition5) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (345): * Single equations (assignments): 332 * Array equations: 0 * Algorithm blocks: 6 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 5 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 2 systems {(2,100.0%), (2,100.0%)} * Non-linear Jacobian (size): 0 systems * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(4,2), (29,30), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.002854/0.7572, allocations: 0.6187 MB / 0.7049 GB, free: 3.648 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001794/0.759, allocations: 304.2 kB / 0.7052 GB, free: 3.348 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02685/0.7859, allocations: 7.341 MB / 0.7124 GB, free: 11.95 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.142e-05/0.786, allocations: 27.94 kB / 0.7124 GB, free: 11.93 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 9.638e-06/0.786, allocations: 0 / 0.7124 GB, free: 11.93 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.116e-05/0.7861, allocations: 15.95 kB / 0.7124 GB, free: 11.91 MB / 0.5137 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 postOpt removeSimpleEquations (simulation): time 0.03597/0.8221, allocations: 11.44 MB / 0.7236 GB, free: 208 kB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.249e-05/0.8221, allocations: 3.984 kB / 0.7236 GB, free: 204 kB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001673/0.8238, allocations: 227.7 kB / 0.7238 GB, free: 15.97 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01314/0.837, allocations: 3.436 MB / 0.7272 GB, free: 12.52 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000863/0.8379, allocations: 55.98 kB / 0.7272 GB, free: 12.47 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04635/0.8843, allocations: 20.91 MB / 0.7476 GB, free: 6.961 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.237e-06/0.8843, allocations: 0 / 0.7476 GB, free: 6.961 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02948/0.9138, allocations: 9.122 MB / 0.7565 GB, free: 13.77 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001422/0.9153, allocations: 448.7 kB / 0.757 GB, free: 13.3 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001424/0.9167, allocations: 44 kB / 0.757 GB, free: 13.26 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004035/0.9208, allocations: 223.9 kB / 0.7572 GB, free: 13.04 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.002145/0.9229, allocations: 378.5 kB / 0.7576 GB, free: 12.68 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005201/0.9235, allocations: 63.98 kB / 0.7576 GB, free: 12.61 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.003705/0.9272, allocations: 1.681 MB / 0.7593 GB, free: 10.93 MB / 0.5606 GB Notification: Performance of sort global known variables: time 2.71e-07/0.9272, allocations: 0 / 0.7593 GB, free: 10.93 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.00507/0.9323, allocations: 1.007 MB / 0.7603 GB, free: 9.922 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 24 (gen1.gen.delta,gen1.gen.w,gen1.gen.e1q,gen1.gen.e1d,gen1.AVR.ExcitationSystem.x_scaled[1],gen1.AVR.derivativeBlock.x,gen1.AVR.firstOrder2.y,gen1.AVR.simpleLagLim.state,gen2.gen.delta,gen2.gen.w,gen2.gen.e1q,gen2.gen.e1d,gen2.AVR.ExcitationSystem.x_scaled[1],gen2.AVR.derivativeBlock.x,gen2.AVR.firstOrder2.y,gen2.AVR.simpleLagLim.state,gen3.gen.delta,gen3.gen.w,gen3.gen.e1q,gen3.gen.e1d,gen3.AVR.ExcitationSystem.x_scaled[1],gen3.AVR.derivativeBlock.x,gen3.AVR.firstOrder2.y,gen3.AVR.simpleLagLim.state) * Number of discrete variables: 6 ($whenCondition5,$whenCondition6,$whenCondition3,$whenCondition4,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (142): * Single equations (assignments): 135 * Array equations: 0 * Algorithm blocks: 3 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(41,45), (1,6), (1,6), (1,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0006999/0.933, allocations: 177.3 kB / 0.7604 GB, free: 9.738 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.01666/0.9497, allocations: 5.89 MB / 0.7662 GB, free: 3.668 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 7.885e-06/0.9497, allocations: 0 / 0.7662 GB, free: 3.668 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.258/1.208, allocations: 3.596 MB / 0.7697 GB, free: 164.4 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003405/1.211, allocations: 287 kB / 0.77 GB, free: 164.4 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01104/1.222, allocations: 5.524 MB / 0.7754 GB, free: 162.5 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001214/1.224, allocations: 1.774 MB / 0.7771 GB, free: 161.7 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.0014/1.225, allocations: 270.1 kB / 0.7774 GB, free: 161.7 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006321/1.226, allocations: 163.5 kB / 0.7775 GB, free: 161.7 MB / 0.5606 GB Notification: Performance of SimCode: time 8.32e-07/1.226, allocations: 0 / 0.7775 GB, free: 161.7 MB / 0.5606 GB Notification: Performance of Templates: time 0.08928/1.315, allocations: 55.84 MB / 0.832 GB, free: 133.4 MB / 0.5606 GB make -j1 -f OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.makefile (rm -f OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.sim & ./OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_dev_OpenIPSL.Examples.IEEE9.IEEE_9_Buses.pipe 2>&1)