Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.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.TestWaterFlow1DFV2ph_B,tolerance=1e-09,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B") translateModel(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B,tolerance=1e-09,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007928/0.000793, allocations: 89.23 kB / 16.65 MB, free: 6.535 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0008143/0.0008143, allocations: 176.4 kB / 17.56 MB, free: 6.18 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.278/1.278, allocations: 205.4 MB / 223.7 MB, free: 13.06 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.2508/0.2508, allocations: 48.78 MB / 320.8 MB, free: 11.11 MB / 270.1 MB Warning: Ignoring unknown experiment annotation option: __Dymola_NumberOfIntervals = 2000 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 0.0005129/0.000513, allocations: 14.52 kB / 391.8 MB, free: 50.07 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09556/0.09608, allocations: 60.26 MB / 452.1 MB, free: 9.168 MB / 334.1 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B): time 0.03483/0.131, allocations: 38.13 MB / 490.2 MB, free: 2.906 MB / 366.1 MB Notification: Performance of NFInst.instExpressions: time 0.01489/0.1459, allocations: 13.09 MB / 0.4915 GB, free: 5.777 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006115/0.1465, allocations: 15.88 kB / 0.4915 GB, free: 5.762 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0007802/0.1473, allocations: 202.9 kB / 0.4917 GB, free: 5.562 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001388/0.1487, allocations: 0.5052 MB / 0.4922 GB, free: 5.055 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0117/0.1605, allocations: 4.326 MB / 0.4964 GB, free: 0.7148 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.006522/0.167, allocations: 7.175 MB / 0.5034 GB, free: 9.523 MB / 398.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003024/0.17, allocations: 2.121 MB / 0.5055 GB, free: 7.383 MB / 398.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003273/0.1733, allocations: 2.043 MB / 0.5075 GB, free: 5.336 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004893/0.1782, allocations: 2.783 MB / 0.5102 GB, free: 2.547 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.001541/0.1798, allocations: 272 kB / 0.5105 GB, free: 2.281 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.01218/0.192, allocations: 6.552 MB / 0.5169 GB, free: 11.72 MB / 414.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002449/0.1944, allocations: 1.247 MB / 0.5181 GB, free: 10.47 MB / 414.1 MB Notification: Performance of NFVerifyModel.verify: time 0.003973/0.1984, allocations: 1.539 MB / 0.5196 GB, free: 8.922 MB / 414.1 MB Notification: Performance of NFConvertDAE.convert: time 0.01308/0.2115, allocations: 7.751 MB / 0.5272 GB, free: 1.152 MB / 414.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.278e-06/0.2116, allocations: 0 / 0.5272 GB, free: 1.152 MB / 414.1 MB Notification: Performance of FrontEnd: time 3.206e-06/0.2116, allocations: 0 / 0.5272 GB, free: 1.152 MB / 414.1 MB Notification: Performance of Transformations before backend: time 7.894e-05/0.2117, allocations: 3.938 kB / 0.5272 GB, free: 1.148 MB / 414.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 452 * Number of variables: 452 Notification: Performance of Generate backend data structure: time 0.2057/0.4173, allocations: 6.646 MB / 0.5337 GB, free: 83.17 MB / 414.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.18e-05/0.4174, allocations: 9.422 kB / 0.5337 GB, free: 83.17 MB / 414.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004169/0.4216, allocations: 0.5507 MB / 0.5342 GB, free: 83.08 MB / 414.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003992/0.4256, allocations: 1.678 MB / 0.5358 GB, free: 82.73 MB / 414.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002535/0.4281, allocations: 1.065 MB / 0.5369 GB, free: 82.45 MB / 414.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009282/0.4291, allocations: 171.1 kB / 0.537 GB, free: 82.45 MB / 414.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03017/0.4592, allocations: 12.46 MB / 0.5492 GB, free: 76.83 MB / 414.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.182e-05/0.4593, allocations: 3.938 kB / 0.5492 GB, free: 76.83 MB / 414.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006077/0.4599, allocations: 71.62 kB / 0.5493 GB, free: 76.77 MB / 414.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.354e-05/0.46, allocations: 94.53 kB / 0.5494 GB, free: 76.76 MB / 414.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04806/0.5081, allocations: 21.01 MB / 0.5699 GB, free: 57.51 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 0.04196/0.5501, allocations: 33.19 MB / 0.6023 GB, free: 21.16 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.02305/0.5732, allocations: 10.18 MB / 0.6123 GB, free: 10.98 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.01733/0.5905, allocations: 7.997 MB / 0.6201 GB, free: 2.977 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.1602/0.7507, allocations: 76.62 MB / 0.6949 GB, free: 13.96 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.538e-05/0.7509, allocations: 53.5 kB / 0.6949 GB, free: 13.9 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=192): time 4.819e-06/0.7509, allocations: 0 / 0.6949 GB, free: 13.9 MB / 0.4981 GB Notification: Performance of matching and sorting (n=193): time 0.3204/1.071, allocations: 41.35 MB / 0.7353 GB, free: 189.3 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.453e-05/1.071, allocations: 75.56 kB / 0.7354 GB, free: 189.2 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006948/1.072, allocations: 0.5105 MB / 0.7359 GB, free: 189 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.001155/1.073, allocations: 58.86 kB / 0.7359 GB, free: 188.9 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003123/1.074, allocations: 0.5137 MB / 0.7364 GB, free: 188.5 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.001536/1.075, allocations: 0.6636 MB / 0.7371 GB, free: 188 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001128/1.076, allocations: 153.8 kB / 0.7372 GB, free: 187.9 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 7.856e-05/1.076, allocations: 349 kB / 0.7376 GB, free: 187.6 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01914/1.095, allocations: 8.348 MB / 0.7457 GB, free: 184.5 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01803/1.114, allocations: 8.558 MB / 0.7541 GB, free: 180 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.03339/1.147, allocations: 14.39 MB / 0.7681 GB, free: 165.5 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.838e-06/1.147, allocations: 4.875 kB / 0.7681 GB, free: 165.5 MB / 0.5137 GB Notification: Performance of matching and sorting (n=220) (initialization): time 0.1122/1.259, allocations: 38.79 MB / 0.806 GB, free: 126.7 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001059/1.259, allocations: 197 kB / 0.8062 GB, free: 126.5 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.586e-05/1.259, allocations: 7.938 kB / 0.8062 GB, free: 126.5 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.1486/1.408, allocations: 57.64 MB / 0.8625 GB, free: 68.76 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001663/1.41, allocations: 307.6 kB / 0.8628 GB, free: 68.46 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06557/1.475, allocations: 24.32 MB / 0.8865 GB, free: 44.1 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01127/1.487, allocations: 1.994 MB / 0.8885 GB, free: 42.1 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002112/1.489, allocations: 315.4 kB / 0.8888 GB, free: 41.79 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 1.36e-05/1.489, allocations: 4 kB / 0.8888 GB, free: 41.79 MB / 0.5137 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.3434/1.832, allocations: 38.59 MB / 0.9265 GB, free: 186.6 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.37e-05/1.832, allocations: 7.953 kB / 0.9265 GB, free: 186.5 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.1501/1.982, allocations: 57.64 MB / 0.9828 GB, free: 134.7 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001517/1.984, allocations: 302.8 kB / 0.9831 GB, free: 134.4 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06421/2.048, allocations: 24.32 MB / 1.007 GB, free: 110 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01084/2.059, allocations: 1.985 MB / 1.009 GB, free: 108.1 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.002186/2.061, allocations: 315.4 kB / 1.009 GB, free: 107.7 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 10 (hex.fluidState[10].phase,hex.fluidState[9].phase,hex.fluidState[8].phase,hex.fluidState[7].phase,hex.fluidState[6].phase,hex.fluidState[5].phase,hex.fluidState[4].phase,hex.fluidState[3].phase,hex.fluidState[2].phase,hex.fluidState[1].phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (121): * Single equations (assignments): 120 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * 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): 1 system {(10,89)} Notification: Performance of prepare postOptimizeDAE: time 0.00513/2.066, allocations: 0.5687 MB / 1.01 GB, free: 107.2 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002007/2.068, allocations: 108 kB / 1.01 GB, free: 107.1 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.05803/2.126, allocations: 35.05 MB / 1.044 GB, free: 72.1 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.05408/2.181, allocations: 33.41 MB / 1.077 GB, free: 38.64 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.067e-05/2.181, allocations: 4 kB / 1.077 GB, free: 38.63 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.647e-05/2.181, allocations: 15.95 kB / 1.077 GB, free: 38.62 MB / 0.5137 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.3003/2.481, allocations: 54.93 MB / 1.13 GB, free: 174.5 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.584e-05/2.481, allocations: 4 kB / 1.13 GB, free: 174.5 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01256/2.494, allocations: 2.454 MB / 1.133 GB, free: 172 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00676/2.5, allocations: 1.145 MB / 1.134 GB, free: 170.9 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002302/2.503, allocations: 204.5 kB / 1.134 GB, free: 170.7 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01201/2.515, allocations: 6.077 MB / 1.14 GB, free: 164.6 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.468e-06/2.515, allocations: 8 kB / 1.14 GB, free: 164.5 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.07684/2.592, allocations: 25.64 MB / 1.165 GB, free: 138.8 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003776/2.596, allocations: 1.226 MB / 1.166 GB, free: 137.5 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00178/2.597, allocations: 51.98 kB / 1.166 GB, free: 137.5 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01028/2.608, allocations: 1.959 MB / 1.168 GB, free: 135.5 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001782/2.609, allocations: 309.1 kB / 1.168 GB, free: 135.2 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.001306/2.611, allocations: 209.8 kB / 1.169 GB, free: 135 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.0004192/2.611, allocations: 354.8 kB / 1.169 GB, free: 134.7 MB / 0.5137 GB Notification: Performance of sort global known variables: time 1.5e-07/2.611, allocations: 0 / 1.169 GB, free: 134.7 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.008601/2.62, allocations: 2.599 MB / 1.171 GB, free: 132.1 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 20 * Number of states: 11 (Mbal,hex.p,hex.htilde[1],hex.htilde[2],hex.htilde[3],hex.htilde[4],hex.htilde[5],hex.htilde[6],hex.htilde[7],hex.htilde[8],hex.htilde[9]) * Number of discrete variables: 22 ($cse2.phase,$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,$cse11.phase,$cse11.region,$cse12.region3boundary,$cse13.region3boundary) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (179): * Single equations (assignments): 165 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 13 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(10,18,64.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.005003/2.625, allocations: 1.031 MB / 1.172 GB, free: 131.3 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.06313/2.688, allocations: 27.45 MB / 1.199 GB, free: 103.8 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 1.229e-05/2.688, allocations: 0 / 1.199 GB, free: 103.8 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.02208/2.71, allocations: 9.474 MB / 1.209 GB, free: 94.29 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005669/2.716, allocations: 0.4958 MB / 1.209 GB, free: 93.8 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02711/2.743, allocations: 13.4 MB / 1.222 GB, free: 80.33 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00101/2.744, allocations: 1.609 MB / 1.224 GB, free: 78.68 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.006812/2.751, allocations: 2.451 MB / 1.226 GB, free: 76.23 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.004201/2.755, allocations: 398.6 kB / 1.226 GB, free: 75.84 MB / 0.5137 GB Notification: Performance of SimCode: time 7.01e-07/2.755, allocations: 0 / 1.226 GB, free: 75.84 MB / 0.5137 GB Notification: Performance of Templates: time 0.6467/3.402, allocations: 263.8 MB / 1.484 GB, free: 163.5 MB / 0.5137 GB make -j1 -f ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.makefile Environment - environmentSimulation: (rm -f ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.pipe ; mkfifo ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.pipe >> ../files/ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.sim & ./ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B -abortSlowSimulation -alarm=480 -lv LOG_STATS > ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_B.pipe 2>&1) Environment - environmentSimulation: