Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.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/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001341/0.001341, allocations: 107.3 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001797/0.001797, allocations: 194.5 kB / 16.25 MB, free: 6.145 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.544/1.544, allocations: 205.1 MB / 222.1 MB, free: 4.703 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.533/1.533, allocations: 292.3 MB / 0.5486 GB, free: 13.61 MB / 462.1 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 0.001284/0.001284, allocations: 69.17 kB / 0.6711 GB, free: 26.38 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1636/0.1649, allocations: 114.6 MB / 0.783 GB, free: 13.79 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.01709/0.182, allocations: 18.04 MB / 0.8006 GB, free: 11.68 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.008301/0.1903, allocations: 6.802 MB / 0.8073 GB, free: 4.855 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006107/0.191, allocations: 43.88 kB / 0.8073 GB, free: 4.812 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.002688/0.1937, allocations: 1.354 MB / 0.8086 GB, free: 3.453 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.001889/0.1956, allocations: 1.292 MB / 0.8099 GB, free: 2.156 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002052/0.1976, allocations: 1.178 MB / 0.8111 GB, free: 0.9805 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.003913/0.2016, allocations: 5.457 MB / 0.8164 GB, free: 11.51 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008325/0.2099, allocations: 8.474 MB / 0.8247 GB, free: 2.934 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002207/0.2121, allocations: 2.38 MB / 0.827 GB, free: 0.5469 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002727/0.2149, allocations: 3.113 MB / 0.83 GB, free: 13.43 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0005071/0.2154, allocations: 0.5117 MB / 0.8305 GB, free: 12.91 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001644/0.217, allocations: 1.272 MB / 0.8318 GB, free: 11.64 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.001504/0.2185, allocations: 2.242 MB / 0.834 GB, free: 9.395 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001618/0.2202, allocations: 2.171 MB / 0.8361 GB, free: 7.215 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.004974/0.2252, allocations: 7.752 MB / 0.8436 GB, free: 15.44 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 3.557e-06/0.2252, allocations: 4 kB / 0.8436 GB, free: 15.44 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.353e-06/0.2252, allocations: 0 / 0.8436 GB, free: 15.44 MB / 0.67 GB Notification: Performance of Transformations before backend: time 6.567e-05/0.2252, allocations: 0 / 0.8436 GB, free: 15.44 MB / 0.67 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 0.005583/0.2308, allocations: 3.78 MB / 0.8473 GB, free: 11.6 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.016e-05/0.2309, allocations: 8.031 kB / 0.8473 GB, free: 11.59 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0005746/0.2315, allocations: 0.55 MB / 0.8479 GB, free: 11.03 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01091/0.2424, allocations: 2.341 MB / 0.8502 GB, free: 8.684 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002943/0.2453, allocations: 2.147 MB / 0.8523 GB, free: 6.492 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001476/0.2455, allocations: 275.2 kB / 0.8525 GB, free: 6.223 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005002/0.246, allocations: 347.9 kB / 0.8529 GB, free: 5.883 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01048/0.2565, allocations: 7.095 MB / 0.8598 GB, free: 14.69 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.012e-05/0.2566, allocations: 0 / 0.8598 GB, free: 14.69 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003702/0.2569, allocations: 152 kB / 0.8599 GB, free: 14.54 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003832/0.2573, allocations: 334 kB / 0.8603 GB, free: 14.21 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01216/0.2695, allocations: 6.985 MB / 0.8671 GB, free: 7.211 MB / 0.6856 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02315/0.2927, allocations: 26.54 MB / 0.893 GB, free: 10.5 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007291/0.3, allocations: 4.992 MB / 0.8979 GB, free: 5.203 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005194/0.3052, allocations: 2.6 MB / 0.9004 GB, free: 2.582 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002288/0.3055, allocations: 131 kB / 0.9005 GB, free: 2.438 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.177e-05/0.3055, allocations: 64.5 kB / 0.9006 GB, free: 2.363 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=208): time 3.777e-06/0.3055, allocations: 0 / 0.9006 GB, free: 2.363 MB / 0.7169 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.conv2.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.conv2.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 0.3831/0.6886, allocations: 30.89 MB / 0.9308 GB, free: 124.4 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.805e-05/0.6887, allocations: 241.2 kB / 0.931 GB, free: 124.2 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001566/0.6903, allocations: 1.404 MB / 0.9324 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.00026/0.6906, allocations: 67.84 kB / 0.9324 GB, free: 123.6 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006268/0.6912, allocations: 1.482 MB / 0.9339 GB, free: 122.4 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006254/0.6918, allocations: 0.9184 MB / 0.9348 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009667/0.6928, allocations: 0.6297 MB / 0.9354 GB, free: 121.4 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 3.354e-05/0.6928, allocations: 306.3 kB / 0.9357 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005221/0.6981, allocations: 2.67 MB / 0.9383 GB, free: 120.3 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005566/0.7036, allocations: 3.548 MB / 0.9417 GB, free: 118.4 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009817/0.7135, allocations: 6.384 MB / 0.948 GB, free: 115.4 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.496e-05/0.7135, allocations: 7.656 kB / 0.948 GB, free: 115.4 MB / 0.7325 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.conv2.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.conv2.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 0.02311/0.7366, allocations: 10.95 MB / 0.9587 GB, free: 110.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.89e-05/0.7366, allocations: 19.72 kB / 0.9587 GB, free: 110.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.185e-05/0.7367, allocations: 27.5 kB / 0.9587 GB, free: 110.2 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01672/0.7534, allocations: 5.497 MB / 0.9641 GB, free: 107.7 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003303/0.7567, allocations: 0.9872 MB / 0.9651 GB, free: 107.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03457/0.7913, allocations: 28.16 MB / 0.9926 GB, free: 80.19 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004053/0.7954, allocations: 0.5496 MB / 0.9931 GB, free: 79.64 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005551/0.796, allocations: 155.9 kB / 0.9932 GB, free: 79.48 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006505/0.8025, allocations: 3.96 MB / 0.9971 GB, free: 75.52 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004917/0.8074, allocations: 3.517 MB / 1.001 GB, free: 71.62 MB / 0.7325 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.07477/0.8822, allocations: 24.6 MB / 1.025 GB, free: 46.55 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.503e-05/0.8823, allocations: 8 kB / 1.025 GB, free: 46.54 MB / 0.7325 GB Warning: The linear system: 1 : transformer.conv1.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.conv1.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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ] = [ -loadRL.load1.v[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] ; -transformer.conv2.V2[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_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_lambda0): time 0.02151/0.9038, allocations: 10.49 MB / 1.035 GB, free: 35.91 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 2.483e-05/0.9038, allocations: 16.56 kB / 1.035 GB, free: 35.89 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.091e-05/0.9039, allocations: 28 kB / 1.035 GB, free: 35.87 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01267/0.9165, allocations: 4.262 MB / 1.039 GB, free: 31.59 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003828/0.9204, allocations: 1.031 MB / 1.04 GB, free: 30.56 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02593/0.9463, allocations: 27.14 MB / 1.067 GB, free: 2.727 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003773/0.9501, allocations: 0.5303 MB / 1.067 GB, free: 2.195 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005261/0.9507, allocations: 151.9 kB / 1.067 GB, free: 2.047 MB / 0.7325 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.i1[2]) - line2.i2[2] - line2.i3[2] 0.0 = (-line2.i1[1]) - line2.i2[1] - line2.i3[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 0.001068/0.9518, allocations: 401.3 kB / 1.068 GB, free: 1.648 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007025/0.9525, allocations: 193.7 kB / 1.068 GB, free: 1.457 MB / 0.7325 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 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[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 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[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] ; -transformer.conv2.V2[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] ; -loadRL.load1.v[1] ] 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 wrapFunctionCalls (simulation): time 0.02397/0.9765, allocations: 10.17 MB / 1.078 GB, free: 7.215 MB / 0.7481 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.54e-05/0.9765, allocations: 32 kB / 1.078 GB, free: 7.184 MB / 0.7481 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.358e-05/0.9765, allocations: 12 kB / 1.078 GB, free: 7.172 MB / 0.7481 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.062e-05/0.9766, allocations: 15.95 kB / 1.078 GB, free: 7.156 MB / 0.7481 GB Warning: The linear system: 1 : 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] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : 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] 4 : transformer.conv2.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.v2_n[1] ; line2.v1_n[1] ; line2.v1_p[1] ; line2.v2_p[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] ; -loadRL.load1.v[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] ; -transformer.conv2.V2[1] ] 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 0.03157/1.008, allocations: 16.33 MB / 1.094 GB, free: 6.656 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.403e-05/1.008, allocations: 5.641 kB / 1.094 GB, free: 6.652 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002968/1.011, allocations: 0.7417 MB / 1.094 GB, free: 5.91 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01662/1.028, allocations: 5.122 MB / 1.099 GB, free: 0.7695 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003092/1.028, allocations: 75.95 kB / 1.1 GB, free: 0.6953 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03537/1.063, allocations: 27.21 MB / 1.126 GB, free: 5.012 MB / 0.795 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.935e-06/1.064, allocations: 8 kB / 1.126 GB, free: 5.004 MB / 0.795 GB Warning: The linear system: 1 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02345/1.087, allocations: 10.12 MB / 1.136 GB, free: 10.64 MB / 0.8106 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001424/1.088, allocations: 0.7132 MB / 1.137 GB, free: 9.91 MB / 0.8106 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005187/1.089, allocations: 59.98 kB / 1.137 GB, free: 9.852 MB / 0.8106 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003224/1.092, allocations: 0.507 MB / 1.137 GB, free: 9.344 MB / 0.8106 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006853/1.093, allocations: 226.3 kB / 1.137 GB, free: 9.125 MB / 0.8106 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002316/1.093, allocations: 87.95 kB / 1.138 GB, free: 9.039 MB / 0.8106 GB Notification: Performance of sorting global known variables: time 0.001228/1.094, allocations: 0.9528 MB / 1.138 GB, free: 8.082 MB / 0.8106 GB Notification: Performance of sort global known variables: time 1.9e-07/1.094, allocations: 0 / 1.138 GB, free: 8.082 MB / 0.8106 GB Notification: Performance of remove unused functions: time 0.005682/1.1, allocations: 1.836 MB / 1.14 GB, free: 6.246 MB / 0.8106 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 : 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] 2 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : 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] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[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.v2_p[1] ; line2.v1_p[1] ; line2.v1_n[1] ; line2.v2_n[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.conv2.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] ] might be structurally or numerically singular for variable line2.v2_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 0.02323/1.123, allocations: 10.79 MB / 1.151 GB, free: 11.2 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.02929/1.153, allocations: 14.34 MB / 1.165 GB, free: 12.76 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 8.606e-06/1.153, allocations: 1.938 kB / 1.165 GB, free: 12.76 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.009515/1.162, allocations: 4.397 MB / 1.169 GB, free: 8.328 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002705/1.165, allocations: 273.3 kB / 1.169 GB, free: 8.066 MB / 0.8419 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.conv2.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.conv2.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 0.09021/1.255, allocations: 45.2 MB / 1.213 GB, free: 8.914 MB / 0.8887 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002895/1.258, allocations: 2.836 MB / 1.216 GB, free: 6.043 MB / 0.8887 GB Notification: Performance of simCode: alias equations: time 0.004341/1.262, allocations: 1.637 MB / 1.218 GB, free: 4.402 MB / 0.8887 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001473/1.264, allocations: 1.21 MB / 1.219 GB, free: 3.191 MB / 0.8887 GB Notification: Performance of SimCode: time 1.803e-06/1.264, allocations: 0 / 1.219 GB, free: 3.191 MB / 0.8887 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.846/4.11, allocations: 101 MB / 1.318 GB, free: 302.1 MB / 0.9356 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001761/4.11, allocations: 294.1 kB / 1.318 GB, free: 301.8 MB / 0.9356 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.571/7.681, allocations: 0 / 1.318 GB, free: 301.8 MB / 0.9356 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)