Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json 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 0.001501/0.001501, allocations: 112 kB / 17.12 MB, free: 6.008 MB / 14.72 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 0.001818/0.001818, allocations: 212.3 kB / 20.1 MB, free: 3.055 MB / 14.72 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 1.572/1.572, allocations: 230.6 MB / 253.5 MB, free: 15.11 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 1.006/1.006, allocations: 150 MB / 459.5 MB, free: 5.363 MB / 350.1 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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) Running command: "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 660] "Notification: IBPSA 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: Performance of FrontEnd - loaded program: time 0.002001/0.002001, allocations: 73.31 kB / 0.6362 GB, free: 30.45 MB / 0.4981 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1607/0.1627, allocations: 89.13 MB / 0.7233 GB, free: 4.031 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.02629/0.189, allocations: 18.52 MB / 0.7413 GB, free: 1.445 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.01471/0.2037, allocations: 6.909 MB / 0.7481 GB, free: 10.52 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001716/0.2055, allocations: 63.75 kB / 0.7482 GB, free: 10.46 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.004431/0.2099, allocations: 1.493 MB / 0.7496 GB, free: 8.961 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.004573/0.2145, allocations: 1.443 MB / 0.751 GB, free: 7.512 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.004198/0.2187, allocations: 1.265 MB / 0.7523 GB, free: 6.246 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.007994/0.2267, allocations: 5.441 MB / 0.7576 GB, free: 0.793 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008738/0.2354, allocations: 5.151 MB / 0.7626 GB, free: 11.53 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004194/0.2396, allocations: 2.396 MB / 0.7649 GB, free: 9.129 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005482/0.2451, allocations: 3.163 MB / 0.768 GB, free: 5.957 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001778/0.2469, allocations: 0.5156 MB / 0.7685 GB, free: 5.441 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003618/0.2505, allocations: 1.268 MB / 0.7698 GB, free: 4.172 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.004149/0.2546, allocations: 2.303 MB / 0.772 GB, free: 1.863 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.005187/0.2598, allocations: 2.163 MB / 0.7741 GB, free: 15.69 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.0119/0.2717, allocations: 7.749 MB / 0.7817 GB, free: 7.918 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 7.363e-06/0.2717, allocations: 3.984 kB / 0.7817 GB, free: 7.914 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.202e-06/0.2717, allocations: 0 / 0.7817 GB, free: 7.914 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0002388/0.272, allocations: 0 / 0.7817 GB, free: 7.914 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 983 * Number of variables: 983 Notification: Performance of Generate backend data structure: time 0.01185/0.2838, allocations: 3.868 MB / 0.7855 GB, free: 3.98 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 5.171e-05/0.2839, allocations: 12.02 kB / 0.7855 GB, free: 3.969 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001829/0.2857, allocations: 0.5423 MB / 0.786 GB, free: 3.418 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01541/0.3011, allocations: 2.421 MB / 0.7884 GB, free: 0.9922 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005899/0.307, allocations: 2.183 MB / 0.7905 GB, free: 14.76 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003383/0.3073, allocations: 271.1 kB / 0.7908 GB, free: 14.5 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001551/0.3089, allocations: 347.9 kB / 0.7911 GB, free: 14.16 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02041/0.3293, allocations: 7.122 MB / 0.7981 GB, free: 6.934 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001603/0.3295, allocations: 3.938 kB / 0.7981 GB, free: 6.93 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001591/0.3311, allocations: 144 kB / 0.7982 GB, free: 6.789 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006824/0.3317, allocations: 338 kB / 0.7985 GB, free: 6.457 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02038/0.3521, allocations: 7.035 MB / 0.8054 GB, free: 15.41 MB / 0.6231 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 0.04366/0.3958, allocations: 26.47 MB / 0.8312 GB, free: 2.77 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01036/0.4061, allocations: 4.861 MB / 0.836 GB, free: 13.6 MB / 0.6544 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00735/0.4135, allocations: 2.536 MB / 0.8385 GB, free: 11.05 MB / 0.6544 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004186/0.4139, allocations: 131 kB / 0.8386 GB, free: 10.9 MB / 0.6544 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.505e-05/0.414, allocations: 64.48 kB / 0.8387 GB, free: 10.83 MB / 0.6544 GB Notification: Performance of pre-optimization done (n=208): time 4.238e-06/0.414, allocations: 0 / 0.8387 GB, free: 10.83 MB / 0.6544 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=271): time 0.4786/0.8926, allocations: 31.05 MB / 0.869 GB, free: 128 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.147e-05/0.8927, allocations: 238.9 kB / 0.8692 GB, free: 127.8 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002043/0.8947, allocations: 1.43 MB / 0.8706 GB, free: 127.6 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0004456/0.8952, allocations: 72.42 kB / 0.8707 GB, free: 127.6 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.000712/0.8959, allocations: 1.535 MB / 0.8722 GB, free: 127.2 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0007568/0.8966, allocations: 0.9626 MB / 0.8731 GB, free: 126.5 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00105/0.8977, allocations: 0.6409 MB / 0.8737 GB, free: 126.2 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 4.669e-05/0.8977, allocations: 315.5 kB / 0.874 GB, free: 125.9 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006041/0.9038, allocations: 2.688 MB / 0.8767 GB, free: 125.1 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007468/0.9112, allocations: 3.568 MB / 0.8801 GB, free: 123.2 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01227/0.9235, allocations: 6.414 MB / 0.8864 GB, free: 120.2 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.225e-05/0.9236, allocations: 7.875 kB / 0.8864 GB, free: 120.2 MB / 0.67 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization): time 0.02806/0.9517, allocations: 10.95 MB / 0.8971 GB, free: 114.5 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 4.427e-05/0.9517, allocations: 18.5 kB / 0.8971 GB, free: 114.5 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.113e-05/0.9518, allocations: 27.78 kB / 0.8972 GB, free: 114.5 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01951/0.9713, allocations: 5.545 MB / 0.9026 GB, free: 110.9 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004255/0.9755, allocations: 0.9984 MB / 0.9035 GB, free: 109.9 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03656/1.012, allocations: 28.19 MB / 0.9311 GB, free: 81.28 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004647/1.017, allocations: 0.5757 MB / 0.9316 GB, free: 80.7 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005589/1.017, allocations: 151.9 kB / 0.9318 GB, free: 80.55 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007026/1.024, allocations: 3.988 MB / 0.9357 GB, free: 76.56 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005722/1.03, allocations: 3.536 MB / 0.9391 GB, free: 72.64 MB / 0.67 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08429/1.114, allocations: 24.63 MB / 0.9632 GB, free: 47.52 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.264e-05/1.114, allocations: 15.55 kB / 0.9632 GB, free: 47.51 MB / 0.67 GB Warning: The linear system: 1 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 2 : line2.v3_n[2] - line2.v3_p[2] = line2.Z31[1] * line2.i1[2] + line2.Z31[2] * line2.i1[1] + line2.Z32[1] * line2.i2[2] + line2.Z32[2] * line2.i2[1] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] 3 : loadRL.load3.v[2] = line2.v3_p[2] - line2.v1_p[2] 4 : line2.v1_n[2] - line2.v1_p[2] = line2.Z11[1] * line2.i1[2] + line2.Z11[2] * line2.i1[1] + line2.Z12[1] * line2.i2[2] + line2.Z12[2] * line2.i2[1] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v1_n[2] ; line2.v1_p[2] ; line2.v3_p[2] ; line2.v3_n[2] ] = [ -transformer.conv3.V2[2] ; line2.Z31[1] * line2.i1[2] + line2.Z33[1] * line2.i3[2] + line2.Z33[2] * line2.i3[1] + line2.Z32[2] * line2.i2[1] + line2.Z32[1] * line2.i2[2] + line2.Z31[2] * line2.i1[1] ; -loadRL.load3.v[2] ; line2.Z11[1] * line2.i1[2] + line2.Z13[1] * line2.i3[2] + line2.Z13[2] * line2.i3[1] + line2.Z12[2] * line2.i2[1] + line2.Z12[1] * line2.i2[2] + line2.Z11[2] * line2.i1[1] ] might be structurally or numerically singular for variable line2.v3_n[2] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=410) (initialization_lambda0): time 0.02261/1.137, allocations: 10.48 MB / 0.9734 GB, free: 36.89 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.704e-05/1.137, allocations: 19.94 kB / 0.9734 GB, free: 36.87 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.521e-05/1.137, allocations: 28 kB / 0.9735 GB, free: 36.84 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01419/1.151, allocations: 4.321 MB / 0.9777 GB, free: 32.51 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004349/1.156, allocations: 1.041 MB / 0.9787 GB, free: 31.46 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02831/1.184, allocations: 27.11 MB / 1.005 GB, free: 3.652 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004436/1.188, allocations: 0.5546 MB / 1.006 GB, free: 3.098 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004399/1.189, allocations: 151.9 kB / 1.006 GB, free: 2.949 MB / 0.67 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i2[2]) - line2.i3[2] - line2.i1[2] 0.0 = (-line2.i2[1]) - line2.i3[1] - line2.i1[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * 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 (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0009048/1.19, allocations: 405.2 kB / 1.006 GB, free: 2.562 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005619/1.19, allocations: 206.7 kB / 1.006 GB, free: 2.359 MB / 0.67 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0287/1.219, allocations: 10.08 MB / 1.016 GB, free: 8.215 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.291e-05/1.219, allocations: 28 kB / 1.016 GB, free: 8.188 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.217e-05/1.219, allocations: 12 kB / 1.016 GB, free: 8.176 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.831e-05/1.219, allocations: 19.94 kB / 1.016 GB, free: 8.156 MB / 0.6856 GB Warning: The linear system: 1 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 2 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 3 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 4 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ] = [ -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v2_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04117/1.26, allocations: 16.18 MB / 1.032 GB, free: 7.797 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.786e-05/1.26, allocations: 8 kB / 1.032 GB, free: 7.789 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003712/1.264, allocations: 0.7412 MB / 1.033 GB, free: 7.047 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.02067/1.285, allocations: 5.173 MB / 1.038 GB, free: 1.859 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005945/1.285, allocations: 75.95 kB / 1.038 GB, free: 1.785 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04831/1.334, allocations: 27.26 MB / 1.065 GB, free: 6.043 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.177e-05/1.334, allocations: 12.03 kB / 1.065 GB, free: 6.031 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02982/1.363, allocations: 10.02 MB / 1.074 GB, free: 11.76 MB / 0.7481 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002097/1.366, allocations: 0.7298 MB / 1.075 GB, free: 11.01 MB / 0.7481 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008244/1.366, allocations: 52 kB / 1.075 GB, free: 10.96 MB / 0.7481 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004338/1.371, allocations: 0.5148 MB / 1.076 GB, free: 10.45 MB / 0.7481 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001028/1.372, allocations: 226.3 kB / 1.076 GB, free: 10.22 MB / 0.7481 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004339/1.372, allocations: 95.95 kB / 1.076 GB, free: 10.13 MB / 0.7481 GB Notification: Performance of sorting global known variables: time 0.002011/1.374, allocations: 0.9684 MB / 1.077 GB, free: 9.156 MB / 0.7481 GB Notification: Performance of sort global known variables: time 1.1e-07/1.374, allocations: 7.844 kB / 1.077 GB, free: 9.152 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.007982/1.382, allocations: 1.84 MB / 1.079 GB, free: 7.312 MB / 0.7481 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * 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 simulation (165): * Single equations (assignments): 162 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(10,44,70.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 3 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 4 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , -1.0 , 1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; 1.0 , -1.0 , 0.0 , 0.0 ] * [ line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ] = [ -transformer.conv1.V2[1] ; line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of Backend phase and start with SimCode phase: time 0.03083/1.413, allocations: 10.68 MB / 1.089 GB, free: 12.39 MB / 0.7637 GB Notification: Performance of simCode: created initialization part: time 0.03357/1.447, allocations: 12.04 MB / 1.101 GB, free: 244 kB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.426e-05/1.447, allocations: 4 kB / 1.101 GB, free: 240 kB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.01287/1.459, allocations: 4.26 MB / 1.105 GB, free: 11.93 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002962/1.462, allocations: 271.7 kB / 1.105 GB, free: 11.68 MB / 0.7794 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1117/1.574, allocations: 41.56 MB / 1.146 GB, free: 0.832 MB / 0.8106 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004723/1.579, allocations: 2.836 MB / 1.149 GB, free: 13.96 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.005055/1.584, allocations: 1.653 MB / 1.15 GB, free: 12.3 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002167/1.586, allocations: 1.21 MB / 1.152 GB, free: 11.09 MB / 0.8262 GB Notification: Performance of SimCode: time 1.263e-06/1.586, allocations: 0 / 1.152 GB, free: 11.09 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.527/2.113, allocations: 103.3 MB / 1.252 GB, free: 269.4 MB / 0.8575 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.07/19.19, allocations: 9.812 kB / 1.252 GB, free: 269.4 MB / 0.8575 GB " [Timeout remaining time 641] (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 52.5] [Calling os._exit(0), Time elapsed: 23.36602362501435] Failed to read output from testmodel.py, exit status != 0: 19.32473121001385 19.33565282 19.061316743 Calling exit ...