Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ClaRa_ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo): time 0.009285/0.009285, allocations: 1.439 MB / 21.29 MB, free: 3.246 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001173/0.001173, allocations: 88.48 kB / 24.9 MB, free: 7.281 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001489/0.001489, allocations: 164.8 kB / 28.62 MB, free: 4.465 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8977/0.8977, allocations: 177.2 MB / 209.4 MB, free: 2.969 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/package.mo): time 0.7655/0.7655, allocations: 102.5 MB / 368.7 MB, free: 1.473 MB / 330.8 MB " [Timeout remaining time 179] Using package ClaRa with version 1.9.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ClaRa 1.9.0/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Using package SMArtInt with version 0.5.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SMArtInt main/package.mo) Running command: translateModel(ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu,tolerance=1e-05,outputFormat="mat",numberOfIntervals=50012,variableFilter="PI.I.y|PI.resetValueI|PI.resetValueID|PI.resetValueP|PI.smoothPIDInput.y_aux|PI.smoothPIDOutput.y_aux|PI.smoothPIDOutput1.y_aux|Time|hex.shell.h_liq|hex.shell.h_vap|hex.shell.p_vap|hex.shell.volume_vap|hex.tubes.h|hex.tubes.p|hex.wall.PI_1ph_in.outputI|hex.wall.PI_2ph.outputI|hex.wall.nTU.Q_flow_s.1.|hex.wall.nTU.Q_flow_s.2.|hex.wall.nTU.Q_flow_s.3.|hex.wall.nTU.T_w_i.1.|hex.wall.nTU.T_w_o.1.|hex.wall.nTU.yps.1.|hex.wall.nTU.yps.2.|hex.wall.nTU.yps.3.",fileNamePrefix="ClaRa_ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu") translateModel(ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu,tolerance=1e-05,outputFormat="mat",numberOfIntervals=50012,variableFilter="PI.I.y|PI.resetValueI|PI.resetValueID|PI.resetValueP|PI.smoothPIDInput.y_aux|PI.smoothPIDOutput.y_aux|PI.smoothPIDOutput1.y_aux|Time|hex.shell.h_liq|hex.shell.h_vap|hex.shell.p_vap|hex.shell.volume_vap|hex.tubes.h|hex.tubes.p|hex.wall.PI_1ph_in.outputI|hex.wall.PI_2ph.outputI|hex.wall.nTU.Q_flow_s.1.|hex.wall.nTU.Q_flow_s.2.|hex.wall.nTU.Q_flow_s.3.|hex.wall.nTU.T_w_i.1.|hex.wall.nTU.T_w_o.1.|hex.wall.nTU.yps.1.|hex.wall.nTU.yps.2.|hex.wall.nTU.yps.3.",fileNamePrefix="ClaRa_ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu") [Timeout 800] "Notification: Performance of FrontEnd - loaded program: time 1.333e-06/1.333e-06, allocations: 0 / 0.5374 GB, free: 39.86 MB / 490.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.77e-05/2.904e-05, allocations: 6.219 kB / 0.5374 GB, free: 39.85 MB / 490.8 MB Notification: TILMedia requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Automatically loaded package TILMedia 1.9.0 ClaRa due to usage. Notification: Performance of NFInst.instantiate(ClaRa.Components.HeatExchangers.Check.Test_HEXvle2vle_L3_2ph_BU_ntu): time 0.1218/0.1218, allocations: 78.89 MB / 0.6145 GB, free: 13.04 MB / 0.5105 GB Notification: Performance of NFInst.instExpressions: time 0.04316/0.165, allocations: 32.92 MB / 0.6466 GB, free: 12.03 MB / 0.5418 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.008537/0.1735, allocations: 206.5 kB / 0.6468 GB, free: 11.82 MB / 0.5418 GB Notification: Performance of NFTyping.typeComponents: time 0.009521/0.1831, allocations: 3.928 MB / 0.6507 GB, free: 7.875 MB / 0.5418 GB Notification: Performance of NFTyping.typeBindings: time 0.01514/0.1982, allocations: 6.865 MB / 0.6574 GB, free: 0.9727 MB / 0.5418 GB Notification: Performance of NFTyping.typeClassSections: time 0.01322/0.2114, allocations: 7.466 MB / 0.6647 GB, free: 9.492 MB / 0.5574 GB Notification: Performance of NFFlatten.flatten: time 0.0227/0.2341, allocations: 19.45 MB / 0.6837 GB, free: 5.973 MB / 0.573 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009462/0.2436, allocations: 5.642 MB / 0.6892 GB, free: 256 kB / 0.573 GB Notification: Performance of NFEvalConstants.evaluate: time 0.02424/0.2678, allocations: 10.39 MB / 0.6993 GB, free: 5.84 MB / 0.5887 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0124/0.2802, allocations: 6.728 MB / 0.7059 GB, free: 15.09 MB / 0.6043 GB Notification: Performance of NFPackage.collectConstants: time 0.003749/0.284, allocations: 1.391 MB / 0.7072 GB, free: 13.7 MB / 0.6043 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008894/0.2929, allocations: 3.724 MB / 0.7109 GB, free: 9.973 MB / 0.6043 GB Notification: Performance of NFScalarize.scalarize: time 0.004536/0.2974, allocations: 4.338 MB / 0.7151 GB, free: 5.621 MB / 0.6043 GB Notification: Performance of NFVerifyModel.verify: time 0.009136/0.3065, allocations: 4.345 MB / 0.7194 GB, free: 1.266 MB / 0.6043 GB Notification: Performance of NFConvertDAE.convert: time 0.02579/0.3323, allocations: 21.93 MB / 0.7408 GB, free: 11.28 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 6.562e-06/0.3323, allocations: 7.938 kB / 0.7408 GB, free: 11.27 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.563e-06/0.3323, allocations: 0 / 0.7408 GB, free: 11.27 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 0.0005866/0.3329, allocations: 0 / 0.7408 GB, free: 11.27 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 2515 * Number of variables: 2515 Notification: Performance of Generate backend data structure: time 0.02671/0.3596, allocations: 14.84 MB / 0.7553 GB, free: 12.31 MB / 0.6512 GB Notification: Performance of prepare preOptimizeDAE: time 4.646e-05/0.3597, allocations: 12.03 kB / 0.7553 GB, free: 12.3 MB / 0.6512 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003409/0.3631, allocations: 1.511 MB / 0.7568 GB, free: 10.78 MB / 0.6512 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01413/0.3772, allocations: 9.722 MB / 0.7662 GB, free: 0.957 MB / 0.6512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003748/0.3776, allocations: 0.5889 MB / 0.7668 GB, free: 348 kB / 0.6512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.2947/0.6723, allocations: 0.603 MB / 0.7674 GB, free: 170.9 MB / 0.6512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02884/0.7012, allocations: 19.52 MB / 0.7865 GB, free: 159.1 MB / 0.6512 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.00014/0.7013, allocations: 78.81 kB / 0.7866 GB, free: 159 MB / 0.6512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000672/0.702, allocations: 310.3 kB / 0.7868 GB, free: 158.9 MB / 0.6512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006951/0.7027, allocations: 0.7844 MB / 0.7876 GB, free: 158.6 MB / 0.6512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02472/0.7274, allocations: 14.03 MB / 0.8013 GB, free: 151.5 MB / 0.6512 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 0.04993/0.7773, allocations: 68.87 MB / 0.8686 GB, free: 89.25 MB / 0.6512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01542/0.7928, allocations: 11.62 MB / 0.8799 GB, free: 77.41 MB / 0.6512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004709/0.7975, allocations: 4.451 MB / 0.8843 GB, free: 72.86 MB / 0.6512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009471/0.7984, allocations: 493.7 kB / 0.8847 GB, free: 72.38 MB / 0.6512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.01283/0.8112, allocations: 9.557 MB / 0.8941 GB, free: 62.5 MB / 0.6512 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003196/0.8144, allocations: 0.8034 MB / 0.8948 GB, free: 61.94 MB / 0.6512 GB Notification: Performance of pre-optimization done (n=1243): time 2.255e-05/0.8145, allocations: 4 kB / 0.8948 GB, free: 61.93 MB / 0.6512 GB Notification: Performance of matching and sorting (n=1244): time 0.09416/0.9086, allocations: 88.98 MB / 0.9817 GB, free: 4.43 MB / 0.6824 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0007674/0.9094, allocations: 2.063 MB / 0.9838 GB, free: 1.883 MB / 0.6824 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01072/0.9201, allocations: 8.642 MB / 0.9922 GB, free: 9.418 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.002017/0.9221, allocations: 129.7 kB / 0.9923 GB, free: 9.285 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.002669/0.9248, allocations: 4.424 MB / 0.9966 GB, free: 5.293 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.003475/0.9283, allocations: 4.214 MB / 1.001 GB, free: 1.422 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00303/0.9313, allocations: 2.639 MB / 1.003 GB, free: 14.77 MB / 0.7137 GB Notification: Performance of setup shared object (initialization): time 7.446e-05/0.9314, allocations: 305.1 kB / 1.004 GB, free: 14.47 MB / 0.7137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007521/0.9389, allocations: 6.066 MB / 1.01 GB, free: 8.395 MB / 0.7137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01001/0.9489, allocations: 10.85 MB / 1.02 GB, free: 11.6 MB / 0.7293 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.5065/1.455, allocations: 62.34 MB / 1.081 GB, free: 236.1 MB / 0.7449 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.331e-05/1.455, allocations: 31.34 kB / 1.081 GB, free: 236.1 MB / 0.7449 GB Notification: Performance of matching and sorting (n=1755) (initialization): time 0.02753/1.483, allocations: 18.91 MB / 1.1 GB, free: 226.4 MB / 0.7449 GB Notification: Performance of prepare postOptimizeDAE: time 5.561e-05/1.483, allocations: 56.81 kB / 1.1 GB, free: 226.4 MB / 0.7449 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01893/1.502, allocations: 14.52 MB / 1.114 GB, free: 213.3 MB / 0.7449 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004532/1.506, allocations: 1.859 MB / 1.116 GB, free: 211.5 MB / 0.7449 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007653/1.514, allocations: 3.447 MB / 1.119 GB, free: 208 MB / 0.7449 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.009346/1.523, allocations: 16.65 MB / 1.135 GB, free: 190.6 MB / 0.7449 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007585/1.531, allocations: 0.6547 MB / 1.136 GB, free: 190 MB / 0.7449 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00165/1.533, allocations: 0.8275 MB / 1.137 GB, free: 189.1 MB / 0.7449 GB Warning: Assuming fixed start value for the following 10 variables: hex.wall.nTU.T_w_i[1]:VARIABLE(min = 0.0 start = hex.wall.nTU.T_w_i_start[1] unit = \"K\" fixed = true nominal = 300.0 protected = true ) \"Wall temperature at inner phase\" type: Real [3] hex.wall.nTU.T_w_o[3]:VARIABLE(min = 0.0 start = hex.wall.nTU.T_w_o_start[3] unit = \"K\" fixed = true nominal = 300.0 protected = true ) \"Wall temperature at outer phase\" type: Real [3] hex.wall.PI_2ph.outputI:VARIABLE(start = 0.0 fixed = true protected = true ) type: Real hex.wall.PI_1ph_in.outputI:VARIABLE(start = 0.0 fixed = true protected = true ) type: Real hex.tubes.h:VARIABLE(start = hex.tubes.h_start unit = \"J/kg\" fixed = true nominal = 1000.0 protected = true ) \"spec. enthalpy state\" type: Real hex.tubes.p:VARIABLE(min = 0.0 start = hex.tubes.p_start unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.prefer ) \"System pressure\" type: Real hex.shell.h_liq:VARIABLE(start = hex.shell.h_liq_start unit = \"J/kg\" fixed = true nominal = 1000.0 ) \"Specific enthalpy of liquid phase\" type: Real hex.shell.h_vap:VARIABLE(start = hex.shell.h_vap_start unit = \"J/kg\" fixed = true nominal = 1000.0 ) \"Specific enthalpy of vapour phase\" type: Real hex.shell.p_vap:VARIABLE(min = 0.0 start = hex.shell.p_start unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.prefer ) \"Vapour pressure\" type: Real PI.switch_OnOff.u2:DISCRETE(flow=false fixed = true ) \"Connector of Boolean input signal\" type: Boolean Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01174/1.544, allocations: 8.476 MB / 1.145 GB, free: 180.7 MB / 0.7449 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007636/1.552, allocations: 10.77 MB / 1.155 GB, free: 167.9 MB / 0.7449 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1691/1.721, allocations: 59.81 MB / 1.214 GB, free: 106.5 MB / 0.7449 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.026e-05/1.721, allocations: 36 kB / 1.214 GB, free: 106.5 MB / 0.7449 GB Notification: Performance of matching and sorting (n=1755) (initialization_lambda0): time 0.02825/1.75, allocations: 18.52 MB / 1.232 GB, free: 88.43 MB / 0.7449 GB Notification: Performance of prepare postOptimizeDAE: time 4.564e-05/1.75, allocations: 56.22 kB / 1.232 GB, free: 88.38 MB / 0.7449 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.01787/1.767, allocations: 14.13 MB / 1.246 GB, free: 74.18 MB / 0.7449 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00377/1.771, allocations: 1.771 MB / 1.248 GB, free: 72.41 MB / 0.7449 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006192/1.777, allocations: 3.424 MB / 1.251 GB, free: 68.98 MB / 0.7449 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008612/1.786, allocations: 16.59 MB / 1.267 GB, free: 51.61 MB / 0.7449 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006589/1.793, allocations: 0.641 MB / 1.268 GB, free: 50.97 MB / 0.7449 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009562/1.794, allocations: 0.8197 MB / 1.269 GB, free: 50.15 MB / 0.7449 GB Warning: Assuming fixed start value for the following 10 variables: hex.wall.nTU.T_w_i[1]:VARIABLE(min = 0.0 start = hex.wall.nTU.T_w_i_start[1] unit = \"K\" fixed = true nominal = 300.0 protected = true ) \"Wall temperature at inner phase\" type: Real [3] hex.wall.nTU.T_w_o[3]:VARIABLE(min = 0.0 start = hex.wall.nTU.T_w_o_start[3] unit = \"K\" fixed = true nominal = 300.0 protected = true ) \"Wall temperature at outer phase\" type: Real [3] hex.wall.PI_2ph.outputI:VARIABLE(start = 0.0 fixed = true protected = true ) type: Real hex.wall.PI_1ph_in.outputI:VARIABLE(start = 0.0 fixed = true protected = true ) type: Real hex.tubes.h:VARIABLE(start = hex.tubes.h_start unit = \"J/kg\" fixed = true nominal = 1000.0 protected = true ) \"spec. enthalpy state\" type: Real hex.tubes.p:VARIABLE(min = 0.0 start = hex.tubes.p_start unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.prefer ) \"System pressure\" type: Real hex.shell.h_liq:VARIABLE(start = hex.shell.h_liq_start unit = \"J/kg\" fixed = true nominal = 1000.0 ) \"Specific enthalpy of liquid phase\" type: Real hex.shell.h_vap:VARIABLE(start = hex.shell.h_vap_start unit = \"J/kg\" fixed = true nominal = 1000.0 ) \"Specific enthalpy of vapour phase\" type: Real hex.shell.p_vap:VARIABLE(min = 0.0 start = hex.shell.p_start unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.prefer ) \"Vapour pressure\" type: Real PI.switch_OnOff.u2:DISCRETE(flow=false fixed = true ) \"Connector of Boolean input signal\" type: Boolean Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 516 * Number of states: 0 () * Number of discrete variables: 12 (hex.wall.nTU.smallShellFlow[2],$PRE.PI.time_lag_I_activation.entryTime,$PRE.PI.switch_OnOff.u2,PI.I_activation.y,PI.time_lag_I_activation.entryTime,PI.switch_OnOff.u2,hex.wall.nTU.smallShellFlow[3],hex.wall.nTU.smallShellFlow[1],hex.wall.nTU.mass,$whenCondition1,$whenCondition2,valve_shell1.pressureLoss.normIsValid) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1707): * Single equations (assignments): 1696 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * Torn equation systems: 7 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 4 systems {(2,2,100.0%), (2,2,100.0%), (4,3,87.5%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(1,15), (1,14), (1,6)} Notification: Performance of prepare postOptimizeDAE: time 0.002761/1.796, allocations: 1 MB / 1.27 GB, free: 49.23 MB / 0.7449 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.002064/1.798, allocations: 1.047 MB / 1.271 GB, free: 48.4 MB / 0.7449 GB Warning: After manipulating the system with postOptModule wrapFunctionCalls the system is unbalanced. This indicates that the original system is singular. You can use -d=dumpCSE and -d=dumpCSE_verbose for more information. Error: Too many equations, over-determined system. The model has 1903 equation(s) and 1813 variable(s). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/TILMedia main/VLEFluid/MixtureCompatible/VLEFluid_ph.mo:55:3-60:21:writable] Error: (pressureSink_ph.fluidOut.q, pressureSink_ph.fluidOut.cp, pressureSink_ph.fluidOut.cv, pressureSink_ph.fluidOut.beta, pressureSink_ph.fluidOut.kappa, pressureSink_ph.fluidOut.drhodp_hxi, pressureSink_ph.fluidOut.drhodh_pxi, _, pressureSink_ph.fluidOut.w, pressureSink_ph.fluidOut.gamma) = ($cse726, $cse727, $cse728, $cse729, $cse730, $cse731, $cse732, $cse733, $cse734, $cse735) has size 9 but 2 variables (hex.wall.nTU.heatCapacityAveraging.cp_i[2], hex.wall.nTU.cp_i[2]) Error: Internal error Transformation Module PFPlusExt index Reduction Method Pantelides failed! Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01682/1.815, allocations: 15.98 MB / 1.286 GB, free: 32.8 MB / 0.7449 GB Error: post-optimization module wrapFunctionCalls (simulation) failed. " [Timeout remaining time 798] [Calling sys.exit(0), Time elapsed: 4.953597034327686] Failed to read output from testmodel.py, exit status != 0: 2.199905670247972 2.2064098580000002 1.872408455 Calling exit ...