Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.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/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/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(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB") translateModel(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001235/0.001235, allocations: 88.39 kB / 16.31 MB, free: 6.449 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001716/0.001716, allocations: 183.1 kB / 17.21 MB, free: 6.316 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.783/1.783, allocations: 205.4 MB / 223.4 MB, free: 5.281 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.4813/0.4813, allocations: 48.77 MB / 320.4 MB, free: 3.855 MB / 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 0.0006998/0.0007002, allocations: 18.97 kB / 391.2 MB, free: 14.3 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1424/0.1431, allocations: 60.26 MB / 451.4 MB, free: 1.895 MB / 382.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB): time 0.3255/0.4686, allocations: 48.37 MB / 499.8 MB, free: 18.23 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.01854/0.4873, allocations: 13.66 MB / 0.5014 GB, free: 8.547 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001231/0.4886, allocations: 15.53 kB / 0.5015 GB, free: 8.539 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001127/0.4897, allocations: 270.9 kB / 0.5017 GB, free: 8.395 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001773/0.4915, allocations: 0.5242 MB / 0.5022 GB, free: 8.027 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.02042/0.5119, allocations: 4.591 MB / 0.5067 GB, free: 4.676 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.005021/0.517, allocations: 3.354 MB / 0.51 GB, free: 2.664 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001989/0.519, allocations: 0.9111 MB / 0.5109 GB, free: 2.102 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002551/0.5215, allocations: 0.9025 MB / 0.5118 GB, free: 1.707 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003056/0.5246, allocations: 1.315 MB / 0.513 GB, free: 1.047 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0003942/0.525, allocations: 100.7 kB / 0.5131 GB, free: 1.047 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01822/0.5432, allocations: 6.566 MB / 0.5195 GB, free: 12.77 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.001934/0.5452, allocations: 0.8066 MB / 0.5203 GB, free: 11.96 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001209/0.5465, allocations: 412.8 kB / 0.5207 GB, free: 11.55 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01205/0.5585, allocations: 4.51 MB / 0.5251 GB, free: 7.031 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 9.738e-06/0.5586, allocations: 0 / 0.5251 GB, free: 7.031 MB / 398.1 MB Notification: Performance of FrontEnd: time 4.799e-06/0.5586, allocations: 3.938 kB / 0.5251 GB, free: 7.027 MB / 398.1 MB Notification: Performance of Transformations before backend: time 6.949e-05/0.5587, allocations: 0 / 0.5251 GB, free: 7.027 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 505 * Number of variables: 505 Notification: Performance of Generate backend data structure: time 0.01126/0.57, allocations: 2.863 MB / 0.5279 GB, free: 4.113 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 7.2e-05/0.5701, allocations: 16.02 kB / 0.5279 GB, free: 4.098 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004377/0.5744, allocations: 0.6417 MB / 0.5286 GB, free: 3.453 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003417/0.5779, allocations: 1.225 MB / 0.5298 GB, free: 2.184 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001465/0.5781, allocations: 143.8 kB / 0.5299 GB, free: 2.043 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004659/0.5785, allocations: 203.9 kB / 0.5301 GB, free: 1.844 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01263/0.5912, allocations: 5.241 MB / 0.5352 GB, free: 12.57 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.296e-05/0.5913, allocations: 3.984 kB / 0.5352 GB, free: 12.57 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002432/0.5915, allocations: 76 kB / 0.5353 GB, free: 12.5 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001202/0.5916, allocations: 99.92 kB / 0.5354 GB, free: 12.4 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01333/0.605, allocations: 5.808 MB / 0.5411 GB, free: 6.586 MB / 414.1 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 0.01632/0.6213, allocations: 11.72 MB / 0.5525 GB, free: 9.957 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01108/0.6324, allocations: 4.555 MB / 0.557 GB, free: 5.402 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.002716/0.6352, allocations: 1.463 MB / 0.5584 GB, free: 3.934 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.35/0.9852, allocations: 81.63 MB / 0.6381 GB, free: 160.3 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.924e-05/0.9854, allocations: 62.44 kB / 0.6382 GB, free: 160.2 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=244): time 4.258e-06/0.9854, allocations: 0 / 0.6382 GB, free: 160.2 MB / 0.4981 GB Notification: Performance of matching and sorting (n=244): time 0.02241/1.008, allocations: 8.317 MB / 0.6463 GB, free: 159.8 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.622e-05/1.008, allocations: 79.75 kB / 0.6464 GB, free: 159.7 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006829/1.009, allocations: 0.5566 MB / 0.6469 GB, free: 159.4 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 0.0002804/1.009, allocations: 66.73 kB / 0.647 GB, free: 159.4 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002882/1.009, allocations: 0.5163 MB / 0.6475 GB, free: 159 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007291/1.01, allocations: 0.8304 MB / 0.6483 GB, free: 158.4 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002195/1.01, allocations: 40.94 kB / 0.6483 GB, free: 158.3 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 0.0001434/1.01, allocations: 436.7 kB / 0.6487 GB, free: 158 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002776/1.013, allocations: 1.851 MB / 0.6505 GB, free: 157.3 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003228/1.016, allocations: 2.099 MB / 0.6526 GB, free: 156.4 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003261/1.02, allocations: 2.01 MB / 0.6546 GB, free: 155.6 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.778e-06/1.02, allocations: 1.281 kB / 0.6546 GB, free: 155.6 MB / 0.4981 GB Notification: Performance of matching and sorting (n=273) (initialization): time 0.01215/1.032, allocations: 6.49 MB / 0.6609 GB, free: 153 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001443/1.032, allocations: 199 kB / 0.6611 GB, free: 152.8 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.568e-05/1.032, allocations: 3.594 kB / 0.6611 GB, free: 152.8 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04149/1.073, allocations: 8.86 MB / 0.6697 GB, free: 151.3 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005617/1.074, allocations: 113.7 kB / 0.6699 GB, free: 151.3 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01142/1.085, allocations: 7.535 MB / 0.6772 GB, free: 147.2 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002086/1.088, allocations: 314.3 kB / 0.6775 GB, free: 147 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003391/1.088, allocations: 203.6 kB / 0.6777 GB, free: 146.9 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.354e-05/1.088, allocations: 7.062 kB / 0.6777 GB, free: 146.9 MB / 0.4981 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008768/1.097, allocations: 6.338 MB / 0.6839 GB, free: 141 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.693e-05/1.097, allocations: 4.656 kB / 0.6839 GB, free: 141 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03677/1.134, allocations: 8.866 MB / 0.6926 GB, free: 132.1 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004869/1.134, allocations: 108.7 kB / 0.6927 GB, free: 132 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01068/1.145, allocations: 7.537 MB / 0.7 GB, free: 124.4 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002118/1.147, allocations: 295.9 kB / 0.7003 GB, free: 124.1 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003189/1.147, allocations: 200.8 kB / 0.7005 GB, free: 123.9 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 12 (hexFV.fluidState[10].phase,hexFV.fluidState[9].phase,hexFV.fluidState[8].phase,hexFV.fluidState[7].phase,hexFV.fluidState[6].phase,hexFV.fluidState[5].phase,hexFV.fluidState[4].phase,hexFV.fluidState[3].phase,hexFV.fluidState[2].phase,hexFV.fluidState[1].phase,T_out.fluidState.phase,T_in.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (62): * Single equations (assignments): 61 * 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: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {10 202} Notification: Performance of prepare postOptimizeDAE: time 0.001186/1.149, allocations: 0.6179 MB / 0.7011 GB, free: 123.3 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003393/1.149, allocations: 130.5 kB / 0.7012 GB, free: 123.2 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01938/1.168, allocations: 22.77 MB / 0.7235 GB, free: 100.4 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.645e-05/1.168, allocations: 59.92 kB / 0.7235 GB, free: 100.3 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.49e-05/1.168, allocations: 8 kB / 0.7235 GB, free: 100.3 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.389e-05/1.168, allocations: 11.95 kB / 0.7235 GB, free: 100.3 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007798/1.176, allocations: 10.28 MB / 0.7336 GB, free: 89.52 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.48e-05/1.176, allocations: 0 / 0.7336 GB, free: 89.52 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002432/1.179, allocations: 499.8 kB / 0.7341 GB, free: 89.03 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002999/1.182, allocations: 0.985 MB / 0.735 GB, free: 88.05 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003118/1.182, allocations: 83.92 kB / 0.7351 GB, free: 87.96 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.006794/1.189, allocations: 5.672 MB / 0.7406 GB, free: 82.17 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.256e-06/1.189, allocations: 11.94 kB / 0.7407 GB, free: 82.16 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.009896/1.199, allocations: 7.756 MB / 0.7482 GB, free: 74.35 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001027/1.2, allocations: 0.6149 MB / 0.7488 GB, free: 73.71 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002689/1.2, allocations: 55.92 kB / 0.7489 GB, free: 73.66 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00139/1.202, allocations: 173.4 kB / 0.749 GB, free: 73.49 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003848/1.202, allocations: 165.8 kB / 0.7492 GB, free: 73.32 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001698/1.202, allocations: 87.92 kB / 0.7493 GB, free: 73.24 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.000415/1.203, allocations: 390.8 kB / 0.7497 GB, free: 72.86 MB / 0.4981 GB Notification: Performance of sort global known variables: time 1.5e-07/1.203, allocations: 0 / 0.7497 GB, free: 72.86 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.005263/1.208, allocations: 2.156 MB / 0.7518 GB, free: 70.79 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 10 (hexFV.p,hexFV.htilde[1],hexFV.htilde[2],hexFV.htilde[3],hexFV.htilde[4],hexFV.htilde[5],hexFV.htilde[6],hexFV.htilde[7],hexFV.htilde[8],hexFV.htilde[9]) * Number of discrete variables: 24 ($cse1.phase,$cse1.region,$cse2.phase,$cse2.region,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse9.phase,$cse9.region,$cse10.phase,$cse10.region,$cse13.phase,$cse13.region,$cse14.phase,$cse14.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (229): * Single equations (assignments): 216 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(10,64.0%) 18} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.004632/1.212, allocations: 1.181 MB / 0.7529 GB, free: 69.79 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.01261/1.225, allocations: 7.369 MB / 0.7601 GB, free: 62.37 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 6.672e-06/1.225, allocations: 0 / 0.7601 GB, free: 62.37 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.004089/1.229, allocations: 2.785 MB / 0.7628 GB, free: 59.57 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003147/1.232, allocations: 0.6856 MB / 0.7635 GB, free: 58.91 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008295/1.241, allocations: 7.087 MB / 0.7704 GB, free: 51.81 MB / 0.4981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008904/1.242, allocations: 1.672 MB / 0.7721 GB, free: 50.1 MB / 0.4981 GB Notification: Performance of simCode: alias equations: time 0.001967/1.244, allocations: 0.6458 MB / 0.7727 GB, free: 49.45 MB / 0.4981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006565/1.244, allocations: 147.4 kB / 0.7728 GB, free: 49.3 MB / 0.4981 GB Notification: Performance of SimCode: time 8.12e-07/1.244, allocations: 0 / 0.7728 GB, free: 49.3 MB / 0.4981 GB Notification: Performance of Templates: time 0.3599/1.604, allocations: 135.5 MB / 0.9052 GB, free: 98.28 MB / 0.4981 GB make -j1 -f ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.makefile Environment - environmentSimulation: (rm -f ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.pipe ; mkfifo ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.pipe >> ../files/ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.sim & ./ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV_DB.pipe 2>&1) Environment - environmentSimulation: