Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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: "" <> buildModelFMU(BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck,fileNamePrefix="BuildingSystems_BuildingSystems_Media_Examples_PropyleneGlycolWaterDerivativeCheck",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck,fileNamePrefix="BuildingSystems_BuildingSystems_Media_Examples_PropyleneGlycolWaterDerivativeCheck",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008827/0.0008827, allocations: 99.55 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009226/0.0009227, allocations: 177.3 kB / 15.94 MB, free: 228 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.252/1.252, allocations: 223.2 MB / 239.9 MB, free: 5.297 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001817/0.001817, allocations: 279.1 kB / 291.2 MB, free: 1.852 MB / 238.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:5:3-5:34:writable] Warning: Got element f_alp that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_lay but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Got element f_lay that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_loss but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Got element f_loss that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_pv but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Got element f_pv that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:2:1-34:14:writable] Warning: f_pv was referenced in the package.order file, but was not found in package.mo, f_pv/package.mo or f_pv.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.7747/0.7747, allocations: 144.6 MB / 487 MB, free: 7.176 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004106/0.0004107, allocations: 18.55 kB / 0.5684 GB, free: 38.15 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1563/0.1568, allocations: 83.08 MB / 0.6495 GB, free: 3.52 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck): time 0.001372/0.1582, allocations: 0.9682 MB / 0.6505 GB, free: 2.539 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.003086/0.1613, allocations: 2.551 MB / 0.653 GB, free: 15.98 MB / 462.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 1.816e-05/0.1613, allocations: 0 / 0.653 GB, free: 15.98 MB / 462.1 MB Notification: Performance of NFTyping.typeComponents: time 1.912e-05/0.1614, allocations: 1 kB / 0.653 GB, free: 15.98 MB / 462.1 MB Notification: Performance of NFTyping.typeBindings: time 4.961e-05/0.1614, allocations: 11.89 kB / 0.653 GB, free: 15.98 MB / 462.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003976/0.1618, allocations: 84.94 kB / 0.653 GB, free: 15.89 MB / 462.1 MB Notification: Performance of NFFlatten.flatten: time 5.809e-05/0.1619, allocations: 20.56 kB / 0.6531 GB, free: 15.88 MB / 462.1 MB Notification: Performance of NFFlatten.resolveConnections: time 4.795e-05/0.162, allocations: 5.25 kB / 0.6531 GB, free: 15.87 MB / 462.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004415/0.1624, allocations: 147.5 kB / 0.6532 GB, free: 15.73 MB / 462.1 MB Notification: Performance of NFSimplifyModel.simplify: time 4.068e-05/0.1625, allocations: 20.84 kB / 0.6532 GB, free: 15.71 MB / 462.1 MB Notification: Performance of NFPackage.collectConstants: time 9.187e-06/0.1625, allocations: 0 / 0.6532 GB, free: 15.71 MB / 462.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0001383/0.1626, allocations: 44.44 kB / 0.6533 GB, free: 15.67 MB / 462.1 MB Notification: Performance of NFScalarize.scalarize: time 1.821e-05/0.1626, allocations: 12.59 kB / 0.6533 GB, free: 15.66 MB / 462.1 MB Notification: Performance of NFVerifyModel.verify: time 2.573e-05/0.1627, allocations: 29.7 kB / 0.6533 GB, free: 15.62 MB / 462.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0001056/0.1628, allocations: 28.55 kB / 0.6533 GB, free: 15.59 MB / 462.1 MB Notification: Performance of FrontEnd - DAE generated: time 2.545e-06/0.1628, allocations: 0.75 kB / 0.6533 GB, free: 15.59 MB / 462.1 MB Notification: Performance of FrontEnd: time 1.673e-06/0.1628, allocations: 0 / 0.6533 GB, free: 15.59 MB / 462.1 MB Notification: Performance of Transformations before backend: time 3.577e-06/0.1628, allocations: 1.812 kB / 0.6533 GB, free: 15.59 MB / 462.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 7 * Number of variables: 7 Notification: Performance of Generate backend data structure: time 0.0003926/0.1632, allocations: 343.5 kB / 0.6537 GB, free: 15.21 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.809e-05/0.1633, allocations: 12.03 kB / 0.6537 GB, free: 15.2 MB / 462.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 4.487e-05/0.1633, allocations: 39.19 kB / 0.6537 GB, free: 15.15 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 2.924e-05/0.1634, allocations: 4 kB / 0.6537 GB, free: 15.15 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001075/0.1635, allocations: 169.5 kB / 0.6539 GB, free: 14.95 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.258e-05/0.1635, allocations: 3.938 kB / 0.6539 GB, free: 14.94 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.437e-05/0.1635, allocations: 8 kB / 0.6539 GB, free: 14.93 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.000129/0.1637, allocations: 49.67 kB / 0.6539 GB, free: 14.88 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.272e-06/0.1637, allocations: 0 / 0.6539 GB, free: 14.88 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.089e-05/0.1637, allocations: 0 / 0.6539 GB, free: 14.88 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.981e-06/0.1637, allocations: 4.531 kB / 0.6539 GB, free: 14.88 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 4.716e-05/0.1638, allocations: 17.11 kB / 0.654 GB, free: 14.86 MB / 462.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001776/0.1639, allocations: 173.5 kB / 0.6541 GB, free: 14.64 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 8.299e-05/0.164, allocations: 51.75 kB / 0.6542 GB, free: 14.58 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000678/0.1647, allocations: 0.5896 MB / 0.6548 GB, free: 13.89 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.929e-05/0.1648, allocations: 38.56 kB / 0.6548 GB, free: 13.84 MB / 462.1 MB Notification: Performance of pre-optimization done (n=5): time 1.042e-06/0.1648, allocations: 0 / 0.6548 GB, free: 13.84 MB / 462.1 MB Notification: Performance of matching and sorting (n=7): time 0.0005486/0.1653, allocations: 300.7 kB / 0.6551 GB, free: 13.5 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.079e-05/0.1654, allocations: 55.36 kB / 0.6551 GB, free: 13.43 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 7.112e-05/0.1654, allocations: 97.84 kB / 0.6552 GB, free: 13.32 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 1.768e-05/0.1655, allocations: 29.7 kB / 0.6553 GB, free: 13.29 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 3.907e-05/0.1655, allocations: 88.77 kB / 0.6553 GB, free: 13.2 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 1.742e-05/0.1655, allocations: 29.33 kB / 0.6554 GB, free: 13.17 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 3.887e-06/0.1655, allocations: 0 / 0.6554 GB, free: 13.17 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0001005/0.1656, allocations: 318.8 kB / 0.6557 GB, free: 12.85 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 2.746e-05/0.1657, allocations: 15.98 kB / 0.6557 GB, free: 12.84 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 4.828e-05/0.1657, allocations: 53.92 kB / 0.6557 GB, free: 12.77 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 3.493e-05/0.1658, allocations: 20 kB / 0.6558 GB, free: 12.75 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.92e-07/0.1658, allocations: 0 / 0.6558 GB, free: 12.75 MB / 462.1 MB Notification: Performance of matching and sorting (n=12) (initialization): time 0.0001221/0.1659, allocations: 93.72 kB / 0.6558 GB, free: 12.65 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.753e-05/0.1659, allocations: 11.94 kB / 0.6559 GB, free: 12.64 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.969e-06/0.1659, allocations: 4.125 kB / 0.6559 GB, free: 12.63 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.141e-05/0.166, allocations: 4 kB / 0.6559 GB, free: 12.63 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.124e-05/0.166, allocations: 16 kB / 0.6559 GB, free: 12.61 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.325e-06/0.1661, allocations: 7.938 kB / 0.6559 GB, free: 12.61 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.639e-05/0.1661, allocations: 8 kB / 0.6559 GB, free: 12.6 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.754e-06/0.1661, allocations: 4 kB / 0.6559 GB, free: 12.59 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (12): * Single equations (assignments): 12 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 7.396e-05/0.1662, allocations: 121.7 kB / 0.656 GB, free: 12.46 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 2.386e-05/0.1662, allocations: 3.906 kB / 0.656 GB, free: 12.46 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.77e-05/0.1663, allocations: 15.97 kB / 0.656 GB, free: 12.45 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.603e-06/0.1663, allocations: 448 / 0.656 GB, free: 12.45 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.148e-06/0.1663, allocations: 0 / 0.656 GB, free: 12.45 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.067e-06/0.1663, allocations: 3.953 kB / 0.656 GB, free: 12.45 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000219/0.1665, allocations: 181.7 kB / 0.6562 GB, free: 12.22 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.001e-06/0.1665, allocations: 0 / 0.6562 GB, free: 12.22 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.221e-05/0.1666, allocations: 15.98 kB / 0.6562 GB, free: 12.2 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 3.176e-06/0.1666, allocations: 7.938 kB / 0.6562 GB, free: 12.2 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.854e-06/0.1666, allocations: 0 / 0.6562 GB, free: 12.2 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.152e-06/0.1666, allocations: 0 / 0.6562 GB, free: 12.2 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.122e-06/0.1666, allocations: 0 / 0.6562 GB, free: 12.2 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001617/0.1668, allocations: 179.5 kB / 0.6564 GB, free: 12 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 5.008e-05/0.1669, allocations: 85.02 kB / 0.6565 GB, free: 11.9 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.343e-05/0.1669, allocations: 0 / 0.6565 GB, free: 11.9 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001014/0.167, allocations: 12.03 kB / 0.6565 GB, free: 11.89 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.31e-05/0.167, allocations: 0 / 0.6565 GB, free: 11.89 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.888e-05/0.167, allocations: 4 kB / 0.6565 GB, free: 11.89 MB / 462.1 MB Notification: Performance of sorting global known variables: time 3.111e-05/0.1671, allocations: 75.28 kB / 0.6566 GB, free: 11.81 MB / 462.1 MB Notification: Performance of sort global known variables: time 1e-07/0.1671, allocations: 0 / 0.6566 GB, free: 11.81 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0002265/0.1673, allocations: 20 kB / 0.6566 GB, free: 11.79 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 3 (hLiqSym,cpSym,cvSym) * 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 (7): * Single equations (assignments): 7 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0004033/0.1677, allocations: 0.7124 MB / 0.6573 GB, free: 11.05 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0001037/0.1678, allocations: 44.05 kB / 0.6573 GB, free: 11.01 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 1.974e-06/0.1679, allocations: 4.062 kB / 0.6573 GB, free: 11 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 2.027e-05/0.1679, allocations: 12 kB / 0.6573 GB, free: 10.99 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001931/0.1681, allocations: 10.03 kB / 0.6574 GB, free: 10.98 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001113/0.1692, allocations: 1.427 MB / 0.6588 GB, free: 9.484 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002177/0.1694, allocations: 0.6939 MB / 0.6594 GB, free: 8.766 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 5.106e-05/0.1695, allocations: 4 kB / 0.6594 GB, free: 8.762 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.619e-05/0.1695, allocations: 15.5 kB / 0.6594 GB, free: 8.746 MB / 462.1 MB Notification: Performance of SimCode: time 2.51e-07/0.1695, allocations: 0 / 0.6594 GB, free: 8.746 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01225/0.1818, allocations: 1.427 MB / 0.6608 GB, free: 7.496 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001985/0.182, allocations: 200.9 kB / 0.661 GB, free: 7.258 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.525/1.707, allocations: 6.594 kB / 0.661 GB, free: 7.254 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.pipe ; mkfifo BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.pipe >> ../files/BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Media_Examples_PropyleneGlycolWaterDerivativeCheck_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-08 BuildingSystems_BuildingSystems_Media_Examples_PropyleneGlycolWaterDerivativeCheck.fmu > BuildingSystems_BuildingSystems.Media.Examples.PropyleneGlycolWaterDerivativeCheck.pipe 2>&1) Environment - environmentSimulation: