Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo", uses=false) Using package Buildings with version 9.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_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 0.001559/0.001559, allocations: 111.9 kB / 15.61 MB, free: 128 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001735/0.001735, allocations: 196.2 kB / 16.54 MB, free: 6.668 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.331/1.331, allocations: 222.9 MB / 240.2 MB, free: 4.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.1.3-maint.9.1.x/package.mo): time 2.323/2.323, allocations: 390.2 MB / 0.6647 GB, free: 460 kB / 0.5137 GB Notification: Performance of FrontEnd - loaded program: time 0.001323/0.001323, allocations: 67.89 kB / 0.8127 GB, free: 14.32 MB / 0.67 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5908/0.5922, allocations: 140.4 MB / 0.9498 GB, free: 9.176 MB / 0.7169 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.01881/0.611, allocations: 18.25 MB / 0.9676 GB, free: 11.28 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.0121/0.6231, allocations: 6.829 MB / 0.9743 GB, free: 5.891 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001635/0.6248, allocations: 59.62 kB / 0.9743 GB, free: 5.879 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.003904/0.6288, allocations: 1.466 MB / 0.9757 GB, free: 4.727 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.003762/0.6325, allocations: 1.438 MB / 0.9771 GB, free: 3.578 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003154/0.6357, allocations: 1.257 MB / 0.9784 GB, free: 2.59 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.005696/0.6414, allocations: 5.477 MB / 0.9837 GB, free: 14.96 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008788/0.6502, allocations: 7.239 MB / 0.9908 GB, free: 7.613 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00332/0.6536, allocations: 2.361 MB / 0.9931 GB, free: 5.246 MB / 0.7481 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0041/0.6577, allocations: 2.964 MB / 0.996 GB, free: 2.273 MB / 0.7481 GB Notification: Performance of NFPackage.collectConstants: time 0.001152/0.6589, allocations: 0.5156 MB / 0.9965 GB, free: 1.758 MB / 0.7481 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002691/0.6616, allocations: 1.268 MB / 0.9977 GB, free: 500 kB / 0.7481 GB Notification: Performance of NFScalarize.scalarize: time 0.002497/0.6641, allocations: 2.238 MB / 0.9999 GB, free: 14.25 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.003211/0.6673, allocations: 2.194 MB / 1.002 GB, free: 12.04 MB / 0.7637 GB Notification: Performance of NFConvertDAE.convert: time 0.007297/0.6746, allocations: 7.732 MB / 1.01 GB, free: 4.289 MB / 0.7637 GB Notification: Performance of FrontEnd - DAE generated: time 3.877e-06/0.6746, allocations: 4 kB / 1.01 GB, free: 4.285 MB / 0.7637 GB Notification: Performance of FrontEnd: time 1.623e-06/0.6746, allocations: 0 / 1.01 GB, free: 4.285 MB / 0.7637 GB Notification: Performance of Transformations before backend: time 0.0001752/0.6748, allocations: 0 / 1.01 GB, free: 4.285 MB / 0.7637 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.007985/0.6828, allocations: 3.823 MB / 1.013 GB, free: 412 kB / 0.7637 GB Notification: Performance of prepare preOptimizeDAE: time 3.795e-05/0.6829, allocations: 12.03 kB / 1.013 GB, free: 400 kB / 0.7637 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007017/0.6836, allocations: 0.5426 MB / 1.014 GB, free: 15.84 MB / 0.7794 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01292/0.6965, allocations: 2.419 MB / 1.016 GB, free: 13.41 MB / 0.7794 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003766/0.7003, allocations: 2.159 MB / 1.018 GB, free: 11.21 MB / 0.7794 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001765/0.7005, allocations: 271.2 kB / 1.019 GB, free: 10.95 MB / 0.7794 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006435/0.7011, allocations: 352 kB / 1.019 GB, free: 10.6 MB / 0.7794 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01394/0.7151, allocations: 7.162 MB / 1.026 GB, free: 3.34 MB / 0.7794 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.89e-05/0.7152, allocations: 0 / 1.026 GB, free: 3.34 MB / 0.7794 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004658/0.7156, allocations: 148 kB / 1.026 GB, free: 3.195 MB / 0.7794 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004411/0.7161, allocations: 342.1 kB / 1.026 GB, free: 2.859 MB / 0.7794 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01601/0.7321, allocations: 7.048 MB / 1.033 GB, free: 11.79 MB / 0.795 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 0.03369/0.7658, allocations: 26.75 MB / 1.059 GB, free: 14.86 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01162/0.7775, allocations: 4.991 MB / 1.064 GB, free: 9.562 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0082/0.7857, allocations: 2.602 MB / 1.067 GB, free: 6.949 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00034/0.7861, allocations: 135 kB / 1.067 GB, free: 6.801 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.768e-05/0.7862, allocations: 64.44 kB / 1.067 GB, free: 6.727 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=208): time 5.981e-06/0.7862, allocations: 0 / 1.067 GB, free: 6.727 MB / 0.8262 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 0.1282/0.9144, allocations: 30.95 MB / 1.097 GB, free: 7.695 MB / 0.8575 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000139/0.9146, allocations: 235.6 kB / 1.097 GB, free: 7.418 MB / 0.8575 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002614/0.9172, allocations: 1.473 MB / 1.099 GB, free: 5.938 MB / 0.8575 GB Notification: Performance of collectPreVariables (initialization): time 0.0004544/0.9177, allocations: 69.7 kB / 1.099 GB, free: 5.863 MB / 0.8575 GB Notification: Performance of collectInitialEqns (initialization): time 0.001011/0.9187, allocations: 1.493 MB / 1.1 GB, free: 4.348 MB / 0.8575 GB Notification: Performance of collectInitialBindings (initialization): time 0.001083/0.9198, allocations: 0.9282 MB / 1.101 GB, free: 3.406 MB / 0.8575 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001372/0.9212, allocations: 0.6318 MB / 1.102 GB, free: 2.766 MB / 0.8575 GB Notification: Performance of setup shared object (initialization): time 0.0001024/0.9213, allocations: 309 kB / 1.102 GB, free: 2.461 MB / 0.8575 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005996/0.9273, allocations: 2.682 MB / 1.105 GB, free: 15.77 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006505/0.9339, allocations: 3.563 MB / 1.108 GB, free: 11.83 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01226/0.9461, allocations: 6.41 MB / 1.115 GB, free: 5.02 MB / 0.8731 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.704e-05/0.9462, allocations: 8 kB / 1.115 GB, free: 5.012 MB / 0.8731 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 0.02855/0.9747, allocations: 11.02 MB / 1.125 GB, free: 9.879 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.698e-05/0.9748, allocations: 16 kB / 1.125 GB, free: 9.863 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.963e-05/0.9748, allocations: 28 kB / 1.125 GB, free: 9.836 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02064/0.9955, allocations: 5.56 MB / 1.131 GB, free: 4.258 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004424/0.9999, allocations: 0.9945 MB / 1.132 GB, free: 3.262 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04393/1.044, allocations: 28.19 MB / 1.159 GB, free: 6.617 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004708/1.049, allocations: 0.5696 MB / 1.16 GB, free: 6.047 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005784/1.049, allocations: 151.9 kB / 1.16 GB, free: 5.898 MB / 0.92 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008869/1.058, allocations: 3.98 MB / 1.164 GB, free: 1.91 MB / 0.92 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007012/1.065, allocations: 3.532 MB / 1.167 GB, free: 14 MB / 0.9356 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09133/1.157, allocations: 24.66 MB / 1.191 GB, free: 4.828 MB / 0.9512 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.465e-05/1.157, allocations: 8 kB / 1.191 GB, free: 4.82 MB / 0.9512 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 0.02693/1.184, allocations: 10.54 MB / 1.202 GB, free: 10.14 MB / 0.9669 GB Notification: Performance of prepare postOptimizeDAE: time 3.455e-05/1.184, allocations: 19.94 kB / 1.202 GB, free: 10.12 MB / 0.9669 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.77e-05/1.184, allocations: 24 kB / 1.202 GB, free: 10.09 MB / 0.9669 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01561/1.199, allocations: 4.337 MB / 1.206 GB, free: 5.738 MB / 0.9669 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004689/1.204, allocations: 1.041 MB / 1.207 GB, free: 4.695 MB / 0.9669 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03555/1.24, allocations: 27.14 MB / 1.234 GB, free: 8.824 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004788/1.244, allocations: 0.5575 MB / 1.234 GB, free: 8.266 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006529/1.245, allocations: 148 kB / 1.234 GB, free: 8.121 MB / 0.9981 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.i1[2] - line2.i3[2] 0.0 = (-line2.i2[1]) - line2.i1[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 0.001395/1.246, allocations: 395.8 kB / 1.235 GB, free: 7.727 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009162/1.247, allocations: 205.6 kB / 1.235 GB, free: 7.523 MB / 0.9981 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 0.02792/1.275, allocations: 10.17 MB / 1.245 GB, free: 13.27 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.431e-05/1.275, allocations: 28 kB / 1.245 GB, free: 13.25 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.421e-05/1.275, allocations: 12 kB / 1.245 GB, free: 13.23 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.975e-05/1.275, allocations: 19.94 kB / 1.245 GB, free: 13.21 MB / 1.014 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 0.4211/1.697, allocations: 16.3 MB / 1.261 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.452e-05/1.697, allocations: 7.688 kB / 1.261 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003557/1.7, allocations: 0.7303 MB / 1.261 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01962/1.72, allocations: 5.193 MB / 1.267 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000529/1.72, allocations: 80.02 kB / 1.267 GB, free: 275.8 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03758/1.758, allocations: 27.25 MB / 1.293 GB, free: 263.7 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.03e-05/1.758, allocations: 20.39 kB / 1.293 GB, free: 263.7 MB / 1.014 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 0.02385/1.782, allocations: 10.09 MB / 1.303 GB, free: 258.2 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001598/1.784, allocations: 0.726 MB / 1.304 GB, free: 257.8 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008162/1.784, allocations: 53.53 kB / 1.304 GB, free: 257.8 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003724/1.788, allocations: 0.5102 MB / 1.304 GB, free: 257.5 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008034/1.789, allocations: 232.4 kB / 1.305 GB, free: 257.4 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003201/1.789, allocations: 89.95 kB / 1.305 GB, free: 257.4 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.001353/1.791, allocations: 1.001 MB / 1.306 GB, free: 256.9 MB / 1.014 GB Notification: Performance of sort global known variables: time 1.8e-07/1.791, allocations: 2.812 kB / 1.306 GB, free: 256.9 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.005507/1.796, allocations: 1.855 MB / 1.307 GB, free: 256.7 MB / 1.014 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 0.02313/1.819, allocations: 10.75 MB / 1.318 GB, free: 248.6 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.02888/1.848, allocations: 14.39 MB / 1.332 GB, free: 234.1 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 8.355e-06/1.848, allocations: 4.062 kB / 1.332 GB, free: 234.1 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.009669/1.858, allocations: 4.431 MB / 1.336 GB, free: 229.7 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002461/1.86, allocations: 287.9 kB / 1.337 GB, free: 229.4 MB / 1.014 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. 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.conv1.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.conv1.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 simCode: created linear, non-linear and system jacobian parts: time 0.08237/1.943, allocations: 44.19 MB / 1.38 GB, free: 183.3 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002529/1.945, allocations: 2.85 MB / 1.383 GB, free: 180.4 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.004541/1.95, allocations: 1.654 MB / 1.384 GB, free: 178.7 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001346/1.951, allocations: 1.229 MB / 1.385 GB, free: 177.5 MB / 1.014 GB Notification: Performance of SimCode: time 5.61e-07/1.951, allocations: 0 / 1.385 GB, free: 177.5 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1177/2.069, allocations: 102.1 MB / 1.485 GB, free: 75.85 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 13.45/15.52, allocations: 16.69 kB / 1.485 GB, free: 75.83 MB / 1.014 GB (rm -f Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_9_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > Buildings_9_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)