Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ModelicaTest_3.2.3_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState.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/ModelicaTest 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaTest with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/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(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|tank.m|m_flow|T_forward|T_return|tankLevel|tank.ports.1..m_flow|tank.ports.1..p|tank.ports.1..h_outflow|tank.ports.2..m_flow|tank.ports.2..p|tank.ports.2..h_outflow|tank.portsData.1..diameter|tank.portsData.1..height|tank.portsData.1..zeta_out|tank.portsData.1..zeta_in|tank.portsData.2..diameter|tank.portsData.2..height|tank.portsData.2..zeta_out|tank.portsData.2..zeta_in|tank.ports_H_flow.1.|tank.ports_H_flow.2.|tank.ports_E_flow.1.|tank.ports_E_flow.2.|tank.ports_penetration.1.|tank.ports_penetration.2.|tank.portsData_diameter_internal.1.|tank.portsData_diameter_internal.2.|tank.portsData_height_internal.1.|tank.portsData_height_internal.2.|tank.portsData_zeta_in_internal.1.|tank.portsData_zeta_in_internal.2.|tank.portsData_zeta_out_internal.1.|tank.portsData_zeta_out_internal.2.|tank.portsData_diameter.1.|tank.portsData_diameter.2.|tank.portsData_height.1.|tank.portsData_height.2.|tank.portsData_zeta_in.1.|tank.portsData_zeta_in.2.|tank.portsData_zeta_out.1.|tank.portsData_zeta_out.2.|pump.port_b.m_flow|pump.port_b.p|pump.port_b.h_outflow|valve.port_b.m_flow|valve.port_b.p|valve.port_b.h_outflow|valve.minLimiter.y|sensor_m_flow.port_b.m_flow|sensor_m_flow.port_b.p|sensor_m_flow.port_b.h_outflow|heater.port_b.m_flow|heater.port_b.p|heater.port_b.h_outflow|radiator.port_b.m_flow|radiator.port_b.p|radiator.port_b.h_outflow|handle.y|pipe.port_b.m_flow|pipe.port_b.p|pipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState")
translateModel(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5000,variableFilter="time|tank.m|m_flow|T_forward|T_return|tankLevel|tank.ports.1..m_flow|tank.ports.1..p|tank.ports.1..h_outflow|tank.ports.2..m_flow|tank.ports.2..p|tank.ports.2..h_outflow|tank.portsData.1..diameter|tank.portsData.1..height|tank.portsData.1..zeta_out|tank.portsData.1..zeta_in|tank.portsData.2..diameter|tank.portsData.2..height|tank.portsData.2..zeta_out|tank.portsData.2..zeta_in|tank.ports_H_flow.1.|tank.ports_H_flow.2.|tank.ports_E_flow.1.|tank.ports_E_flow.2.|tank.ports_penetration.1.|tank.ports_penetration.2.|tank.portsData_diameter_internal.1.|tank.portsData_diameter_internal.2.|tank.portsData_height_internal.1.|tank.portsData_height_internal.2.|tank.portsData_zeta_in_internal.1.|tank.portsData_zeta_in_internal.2.|tank.portsData_zeta_out_internal.1.|tank.portsData_zeta_out_internal.2.|tank.portsData_diameter.1.|tank.portsData_diameter.2.|tank.portsData_height.1.|tank.portsData_height.2.|tank.portsData_zeta_in.1.|tank.portsData_zeta_in.2.|tank.portsData_zeta_out.1.|tank.portsData_zeta_out.2.|pump.port_b.m_flow|pump.port_b.p|pump.port_b.h_outflow|valve.port_b.m_flow|valve.port_b.p|valve.port_b.h_outflow|valve.minLimiter.y|sensor_m_flow.port_b.m_flow|sensor_m_flow.port_b.p|sensor_m_flow.port_b.h_outflow|heater.port_b.m_flow|heater.port_b.p|heater.port_b.h_outflow|radiator.port_b.m_flow|radiator.port_b.p|radiator.port_b.h_outflow|handle.y|pipe.port_b.m_flow|pipe.port_b.p|pipe.port_b.h_outflow",fileNamePrefix="ModelicaTest_3.2.3_ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0006507/0.0006507, allocations: 92.95 kB / 16.33 MB, free: 5.938 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0007792/0.0007792, allocations: 180.8 kB / 17.22 MB, free: 5.863 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.564/1.564, allocations: 205.4 MB / 223.4 MB, free: 5.543 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 3.2.3+maint.om/package.mo): time 0.3701/0.3701, allocations: 43.54 MB / 315.2 MB, free: 8.84 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 0.0005022/0.0005022, allocations: 18.97 kB / 384.6 MB, free: 8.012 MB / 318.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.119/0.1195, allocations: 58.86 MB / 443.4 MB, free: 13.04 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Fluid.TestExamplesVariants.HeatingSystem_SteadyState): time 0.3261/0.4457, allocations: 86.56 MB / 0.5176 GB, free: 9.945 MB / 398.1 MB
Notification: Performance of NFInst.instExpressions: time 0.04029/0.486, allocations: 20.56 MB / 0.5376 GB, free: 11.73 MB / 414.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004441/0.4905, allocations: 105.9 kB / 0.5377 GB, free: 11.68 MB / 414.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.003403/0.4939, allocations: 0.774 MB / 0.5385 GB, free: 11.01 MB / 414.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.01301/0.5069, allocations: 3.421 MB / 0.5418 GB, free: 8.379 MB / 414.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.01524/0.5222, allocations: 4.443 MB / 0.5462 GB, free: 5.309 MB / 414.1 MB
Notification: Performance of NFFlatten.flatten: time 0.01293/0.5351, allocations: 8.584 MB / 0.5545 GB, free: 14.78 MB / 430.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.004353/0.5395, allocations: 1.482 MB / 0.556 GB, free: 13.28 MB / 430.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.5398/1.079, allocations: 125.8 MB / 0.6788 GB, free: 60.11 MB / 494.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.07144/1.151, allocations: 54.99 MB / 0.7325 GB, free: 13.67 MB / 494.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0008231/1.152, allocations: 124 kB / 0.7327 GB, free: 13.55 MB / 494.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.01488/1.167, allocations: 7.955 MB / 0.7404 GB, free: 6.711 MB / 494.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.003077/1.17, allocations: 0.9406 MB / 0.7414 GB, free: 6.059 MB / 494.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.001576/1.171, allocations: 0.5315 MB / 0.7419 GB, free: 5.75 MB / 494.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.006575/1.178, allocations: 3.818 MB / 0.7456 GB, free: 2.633 MB / 494.1 MB
Notification: Performance of FrontEnd - DAE generated: time 5.75e-06/1.178, allocations: 0 / 0.7456 GB, free: 2.633 MB / 494.1 MB
Notification: Performance of FrontEnd: time 2.735e-06/1.178, allocations: 4 kB / 0.7456 GB, free: 2.629 MB / 494.1 MB
Notification: Performance of Transformations before backend: time 3.911e-05/1.178, allocations: 0 / 0.7456 GB, free: 2.629 MB / 494.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 538
 * Number of variables: 538
Notification: Performance of Generate backend data structure: time 0.00613/1.184, allocations: 3.017 MB / 0.7486 GB, free: 15.86 MB / 0.4981 GB
Notification: Performance of prepare preOptimizeDAE: time 4.378e-05/1.184, allocations: 12.02 kB / 0.7486 GB, free: 15.84 MB / 0.4981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008458/1.185, allocations: 311 kB / 0.7489 GB, free: 15.54 MB / 0.4981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002493/1.188, allocations: 1.519 MB / 0.7503 GB, free: 14.36 MB / 0.4981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001938/1.188, allocations: 209.2 kB / 0.7505 GB, free: 14.21 MB / 0.4981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002789/1.188, allocations: 186 kB / 0.7507 GB, free: 14.09 MB / 0.4981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005139/1.193, allocations: 3.269 MB / 0.7539 GB, free: 11.69 MB / 0.4981 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.227e-05/1.193, allocations: 7.469 kB / 0.7539 GB, free: 11.68 MB / 0.4981 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002131/1.194, allocations: 84.2 kB / 0.754 GB, free: 11.66 MB / 0.4981 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003138/1.194, allocations: 252.3 kB / 0.7542 GB, free: 11.45 MB / 0.4981 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004922/1.199, allocations: 3.088 MB / 0.7573 GB, free: 9.398 MB / 0.4981 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 preOpt removeSimpleEquations (simulation): time 0.01876/1.218, allocations: 13.86 MB / 0.7708 GB, free: 13.22 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003714/1.221, allocations: 2.194 MB / 0.7729 GB, free: 11.84 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001675/1.223, allocations: 1.18 MB / 0.7741 GB, free: 11.09 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.008013/1.231, allocations: 5.637 MB / 0.7796 GB, free: 6.016 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.357e-05/1.231, allocations: 52.89 kB / 0.7796 GB, free: 5.965 MB / 0.5137 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008376/1.232, allocations: 230.1 kB / 0.7799 GB, free: 5.762 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=158): time 3.346e-06/1.232, allocations: 0 / 0.7799 GB, free: 5.762 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=259): time 0.4307/1.663, allocations: 55.79 MB / 0.8343 GB, free: 3.094 MB / 0.5606 GB
Error: Jacobian StateSetJac0 contains non-linear components. This indicates a singular system or internal generation errors.
Notification: Performance of inlineWhenForInitialization (initialization): time 0.3935/2.056, allocations: 46.63 MB / 0.8799 GB, free: 212.4 MB / 0.5606 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002626/2.059, allocations: 1.844 MB / 0.8817 GB, free: 211.7 MB / 0.5606 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005521/2.059, allocations: 71.08 kB / 0.8817 GB, free: 211.7 MB / 0.5606 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006976/2.06, allocations: 1.084 MB / 0.8828 GB, free: 211 MB / 0.5606 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0007199/2.061, allocations: 0.8746 MB / 0.8837 GB, free: 210.3 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002436/2.061, allocations: 55.28 kB / 0.8837 GB, free: 210.2 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001411/2.061, allocations: 424.5 kB / 0.8841 GB, free: 209.9 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003799/2.065, allocations: 2.15 MB / 0.8862 GB, free: 209.1 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003776/2.069, allocations: 2.802 MB / 0.889 GB, free: 207.7 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0045/2.073, allocations: 2.609 MB / 0.8915 GB, free: 206.7 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.072e-05/2.073, allocations: 2.969 kB / 0.8915 GB, free: 206.7 MB / 0.5606 GB
Notification: Performance of matching and sorting (n=359) (initialization): time 0.01236/2.086, allocations: 7.456 MB / 0.8988 GB, free: 202.8 MB / 0.5606 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003431/2.086, allocations: 0.6426 MB / 0.8994 GB, free: 201.9 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.62e-05/2.086, allocations: 20 kB / 0.8994 GB, free: 201.9 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03918/2.125, allocations: 12.4 MB / 0.9115 GB, free: 189.5 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001495/2.127, allocations: 351.4 kB / 0.9119 GB, free: 189.1 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01427/2.141, allocations: 8.686 MB / 0.9204 GB, free: 180.4 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003771/2.145, allocations: 271.7 kB / 0.9206 GB, free: 180.1 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004041/2.145, allocations: 147.9 kB / 0.9208 GB, free: 180 MB / 0.5606 GB
Notification: Performance of prepare postOptimizeDAE: time 1.297e-05/2.145, allocations: 7.688 kB / 0.9208 GB, free: 180 MB / 0.5606 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01161/2.157, allocations: 7.032 MB / 0.9276 GB, free: 172.9 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.314e-05/2.157, allocations: 19.98 kB / 0.9277 GB, free: 172.9 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02099/2.178, allocations: 7.957 MB / 0.9354 GB, free: 164.9 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001749/2.18, allocations: 399.3 kB / 0.9358 GB, free: 164.5 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01308/2.193, allocations: 8.194 MB / 0.9438 GB, free: 156.3 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003972/2.197, allocations: 263.9 kB / 0.9441 GB, free: 156 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000391/2.197, allocations: 147.9 kB / 0.9442 GB, free: 155.9 MB / 0.5606 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 84
 * Number of states: 0 ()
 * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2])
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (171):
 * Single equations (assignments): 169
 * 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: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {15 79,18 78}
Notification: Performance of prepare postOptimizeDAE: time 0.001879/2.199, allocations: 0.7746 MB / 0.945 GB, free: 155.1 MB / 0.5606 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005467/2.2, allocations: 256.5 kB / 0.9452 GB, free: 154.9 MB / 0.5606 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01339/2.213, allocations: 7.894 MB / 0.9529 GB, free: 146.9 MB / 0.5606 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.887e-05/2.213, allocations: 36 kB / 0.9529 GB, free: 146.9 MB / 0.5606 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.979e-06/2.213, allocations: 0 / 0.9529 GB, free: 146.9 MB / 0.5606 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01102/2.224, allocations: 6.948 MB / 0.9597 GB, free: 139.8 MB / 0.5606 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02196/2.246, allocations: 13.83 MB / 0.9732 GB, free: 125.9 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.327e-05/2.247, allocations: 4 kB / 0.9732 GB, free: 125.9 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008147/2.247, allocations: 195.9 kB / 0.9734 GB, free: 125.8 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.03791/2.285, allocations: 11.94 MB / 0.9851 GB, free: 113.8 MB / 0.5606 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006659/2.286, allocations: 83.95 kB / 0.9852 GB, free: 113.7 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0132/2.299, allocations: 8.385 MB / 0.9933 GB, free: 105.3 MB / 0.5606 GB
Error: Jacobian StateSetJac9 contains non-linear components. This indicates a singular system or internal generation errors.
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.1093/2.408, allocations: 46.54 MB / 1.039 GB, free: 58.29 MB / 0.5606 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01703/2.426, allocations: 10.47 MB / 1.049 GB, free: 47.73 MB / 0.5606 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002247/2.428, allocations: 0.8176 MB / 1.05 GB, free: 46.89 MB / 0.5606 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004842/2.428, allocations: 51.98 kB / 1.05 GB, free: 46.84 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002391/2.431, allocations: 255.6 kB / 1.05 GB, free: 46.59 MB / 0.5606 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003905/2.431, allocations: 202.1 kB / 1.05 GB, free: 46.39 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002673/2.431, allocations: 107.9 kB / 1.05 GB, free: 46.29 MB / 0.5606 GB
Notification: Performance of sorting global known variables: time 0.001581/2.433, allocations: 1.257 MB / 1.052 GB, free: 45.01 MB / 0.5606 GB
Notification: Performance of sort global known variables: time 1.3e-07/2.433, allocations: 0 / 1.052 GB, free: 45.01 MB / 0.5606 GB
Notification: Performance of remove unused functions: time 0.007923/2.441, allocations: 2.893 MB / 1.054 GB, free: 42.27 MB / 0.5606 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 1 ($STATESET1.x)
 * Number of discrete variables: 4 (tank.regularFlow[1],tank.regularFlow[2],tank.inFlow[1],tank.inFlow[2])
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (93):
 * Single equations (assignments): 87
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 4
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {15 77,19 105}
Notification: Performance of Backend phase and start with SimCode phase: time 0.007342/2.448, allocations: 2.077 MB / 1.056 GB, free: 40.29 MB / 0.5606 GB
Notification: Performance of simCode: created initialization part: time 0.02185/2.47, allocations: 9.097 MB / 1.065 GB, free: 31.16 MB / 0.5606 GB
Notification: Performance of simCode: created event and clocks part: time 1.235e-05/2.47, allocations: 4 kB / 1.065 GB, free: 31.16 MB / 0.5606 GB
Notification: Performance of simCode: created simulation system equations: time 0.007755/2.478, allocations: 3.227 MB / 1.069 GB, free: 27.93 MB / 0.5606 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004393/2.482, allocations: 0.9863 MB / 1.069 GB, free: 26.93 MB / 0.5606 GB
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:4548:9-4548:59:writable] Error: Internal error function createStateSetsSets failed.
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/SimCode/SimCodeUtil.mo:754:5-754:146:writable] Error: Internal error function createSimCode failed [Transformation from optimised DAE to simulation code structure failed]