Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.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 0.0008499/0.0008499, allocations: 80.44 kB / 19.17 MB, free: 0.7422 MB / 13.93 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 0.0008479/0.0008479, allocations: 165.9 kB / 22.46 MB, free: 2.105 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8652/0.8652, allocations: 177.1 MB / 202.8 MB, free: 5.754 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 1.735/1.735, allocations: 389 MB / 0.633 GB, free: 12.68 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 2.324e-06/2.324e-06, allocations: 0 / 0.9998 GB, free: 13.38 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.069e-05/2.301e-05, allocations: 2.281 kB / 0.9998 GB, free: 13.38 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD): time 0.01356/0.01358, allocations: 17.45 MB / 1.017 GB, free: 11.88 MB / 0.9792 GB Notification: Performance of NFInst.instExpressions: time 0.008582/0.02216, allocations: 6.652 MB / 1.023 GB, free: 5.207 MB / 0.9792 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001494/0.02366, allocations: 63.75 kB / 1.023 GB, free: 5.145 MB / 0.9792 GB Notification: Performance of NFTyping.typeComponents: time 0.002593/0.02625, allocations: 1.481 MB / 1.025 GB, free: 3.656 MB / 0.9792 GB Notification: Performance of NFTyping.typeBindings: time 0.003458/0.02971, allocations: 1.485 MB / 1.026 GB, free: 2.164 MB / 0.9792 GB Notification: Performance of NFTyping.typeClassSections: time 0.002934/0.03264, allocations: 1.269 MB / 1.027 GB, free: 0.8945 MB / 0.9792 GB Notification: Performance of NFFlatten.flatten: time 0.005202/0.03784, allocations: 5.522 MB / 1.033 GB, free: 11.36 MB / 0.9948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004379/0.04222, allocations: 3.347 MB / 1.036 GB, free: 7.918 MB / 0.9948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005223/0.04745, allocations: 3.306 MB / 1.039 GB, free: 4.605 MB / 0.9948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004116/0.05156, allocations: 2.88 MB / 1.042 GB, free: 1.719 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 0.001145/0.05271, allocations: 0.5117 MB / 1.043 GB, free: 1.207 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002348/0.05506, allocations: 1.197 MB / 1.044 GB, free: 8 kB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.466/0.521, allocations: 2.409 MB / 1.046 GB, free: 54.4 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.005222/0.5262, allocations: 1.534 MB / 1.048 GB, free: 54.4 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.007834/0.5341, allocations: 7.94 MB / 1.055 GB, free: 54.18 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 5.851e-06/0.5341, allocations: 0 / 1.055 GB, free: 54.18 MB / 0.9948 GB Notification: Performance of FrontEnd: time 2.535e-06/0.5341, allocations: 2.906 kB / 1.055 GB, free: 54.18 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 0.0002029/0.5343, allocations: 0 / 1.055 GB, free: 54.18 MB / 0.9948 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 0.008365/0.5426, allocations: 3.762 MB / 1.059 GB, free: 52.75 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 4.752e-05/0.5427, allocations: 8.938 kB / 1.059 GB, free: 52.75 MB / 0.9948 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001317/0.544, allocations: 0.5394 MB / 1.06 GB, free: 52.69 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006776/0.5508, allocations: 2.422 MB / 1.062 GB, free: 52.49 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004383/0.5552, allocations: 2.155 MB / 1.064 GB, free: 52.11 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001681/0.5553, allocations: 264 kB / 1.064 GB, free: 52.11 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001604/0.5569, allocations: 351.1 kB / 1.065 GB, free: 52.1 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01474/0.5717, allocations: 7.21 MB / 1.072 GB, free: 49.87 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.542e-05/0.5718, allocations: 3.469 kB / 1.072 GB, free: 49.87 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009251/0.5727, allocations: 150.6 kB / 1.072 GB, free: 49.77 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003319/0.573, allocations: 334.8 kB / 1.072 GB, free: 49.73 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01492/0.5879, allocations: 7.023 MB / 1.079 GB, free: 47.74 MB / 0.9948 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 0.02874/0.6167, allocations: 18.42 MB / 1.097 GB, free: 37.38 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005773/0.6225, allocations: 3.722 MB / 1.101 GB, free: 36.11 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00428/0.6267, allocations: 2.527 MB / 1.103 GB, free: 35.36 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002395/0.627, allocations: 55.06 kB / 1.103 GB, free: 35.35 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.348e-05/0.627, allocations: 60.23 kB / 1.103 GB, free: 35.3 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=208): time 5.07e-06/0.627, allocations: 0 / 1.103 GB, free: 35.3 MB / 0.9948 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 0.0593/0.6863, allocations: 30.74 MB / 1.133 GB, free: 26.3 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.224e-05/0.6864, allocations: 238.5 kB / 1.134 GB, free: 26.05 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00188/0.6883, allocations: 1.48 MB / 1.135 GB, free: 25.24 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 0.0006017/0.6889, allocations: 71.55 kB / 1.135 GB, free: 25.18 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005956/0.6895, allocations: 1.53 MB / 1.137 GB, free: 23.84 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008129/0.6903, allocations: 0.9609 MB / 1.137 GB, free: 23.01 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008732/0.6912, allocations: 0.6269 MB / 1.138 GB, free: 22.66 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 2.862e-05/0.6912, allocations: 310.6 kB / 1.138 GB, free: 22.36 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003642/0.6948, allocations: 2.696 MB / 1.141 GB, free: 20.95 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004132/0.699, allocations: 3.646 MB / 1.145 GB, free: 18.38 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007413/0.7064, allocations: 6.404 MB / 1.151 GB, free: 14.46 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.301e-05/0.7064, allocations: 11.97 kB / 1.151 GB, free: 14.46 MB / 0.9948 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 0.0158/0.7222, allocations: 10.79 MB / 1.161 GB, free: 8.535 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 3.119e-05/0.7223, allocations: 19.94 kB / 1.161 GB, free: 8.516 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.463e-05/0.7223, allocations: 24 kB / 1.161 GB, free: 8.492 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009731/0.732, allocations: 5.551 MB / 1.167 GB, free: 2.934 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002568/0.7346, allocations: 0.9858 MB / 1.168 GB, free: 1.984 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02859/0.7632, allocations: 27.49 MB / 1.195 GB, free: 6.211 MB / 1.026 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00331/0.7665, allocations: 0.5655 MB / 1.195 GB, free: 5.645 MB / 1.026 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005887/0.7671, allocations: 155.9 kB / 1.195 GB, free: 5.492 MB / 1.026 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.006776/0.7739, allocations: 3.984 MB / 1.199 GB, free: 1.5 MB / 1.026 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.004552/0.7784, allocations: 3.615 MB / 1.203 GB, free: 13.5 MB / 1.042 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04887/0.8273, allocations: 24.48 MB / 1.227 GB, free: 4.664 MB / 1.057 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.209e-05/0.8273, allocations: 12 kB / 1.227 GB, free: 4.652 MB / 1.057 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 0.01845/0.8458, allocations: 10.18 MB / 1.237 GB, free: 10.61 MB / 1.073 GB Notification: Performance of prepare postOptimizeDAE: time 3.98e-05/0.8458, allocations: 19.98 kB / 1.237 GB, free: 10.59 MB / 1.073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.123e-05/0.8458, allocations: 24 kB / 1.237 GB, free: 10.57 MB / 1.073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009497/0.8553, allocations: 4.32 MB / 1.241 GB, free: 6.238 MB / 1.073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003392/0.8587, allocations: 1.038 MB / 1.242 GB, free: 5.238 MB / 1.073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02531/0.884, allocations: 26.26 MB / 1.268 GB, free: 10.43 MB / 1.104 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002988/0.887, allocations: 0.5576 MB / 1.268 GB, free: 9.871 MB / 1.104 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004899/0.8875, allocations: 155.9 kB / 1.268 GB, free: 9.719 MB / 1.104 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 0.0009535/0.8885, allocations: 402.2 kB / 1.269 GB, free: 9.32 MB / 1.104 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000592/0.8891, allocations: 202.7 kB / 1.269 GB, free: 9.121 MB / 1.104 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 0.01609/0.9051, allocations: 9.93 MB / 1.279 GB, free: 15.16 MB / 1.12 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.692e-05/0.9052, allocations: 32 kB / 1.279 GB, free: 15.12 MB / 1.12 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.309e-05/0.9052, allocations: 12 kB / 1.279 GB, free: 15.11 MB / 1.12 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.363e-05/0.9053, allocations: 19.02 kB / 1.279 GB, free: 15.1 MB / 1.12 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 0.02571/0.931, allocations: 15.34 MB / 1.294 GB, free: 15.64 MB / 1.135 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.682e-05/0.931, allocations: 8.938 kB / 1.294 GB, free: 15.63 MB / 1.135 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001914/0.9329, allocations: 0.7376 MB / 1.294 GB, free: 14.89 MB / 1.135 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01024/0.9432, allocations: 5.183 MB / 1.299 GB, free: 9.695 MB / 1.135 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005904/0.9437, allocations: 71.89 kB / 1.299 GB, free: 9.625 MB / 1.135 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02727/0.971, allocations: 26.56 MB / 1.325 GB, free: 14.67 MB / 1.167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.697e-06/0.971, allocations: 12.03 kB / 1.325 GB, free: 14.66 MB / 1.167 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 0.01623/0.9873, allocations: 9.851 MB / 1.335 GB, free: 4.602 MB / 1.167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001668/0.9889, allocations: 0.6546 MB / 1.336 GB, free: 3.945 MB / 1.167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005097/0.9894, allocations: 55.95 kB / 1.336 GB, free: 3.891 MB / 1.167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002222/0.9917, allocations: 0.507 MB / 1.336 GB, free: 3.383 MB / 1.167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006679/0.9923, allocations: 246.3 kB / 1.336 GB, free: 3.145 MB / 1.167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001758/0.9925, allocations: 87.95 kB / 1.337 GB, free: 3.059 MB / 1.167 GB Notification: Performance of sorting global known variables: time 0.001165/0.9937, allocations: 0.9723 MB / 1.337 GB, free: 2.082 MB / 1.167 GB Notification: Performance of sort global known variables: time 2.1e-07/0.9937, allocations: 4 kB / 1.337 GB, free: 2.078 MB / 1.167 GB Notification: Performance of remove unused functions: time 0.007537/1.001, allocations: 1.848 MB / 1.339 GB, free: 236 kB / 1.167 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 0.0159/1.017, allocations: 10.51 MB / 1.35 GB, free: 5.512 MB / 1.182 GB Notification: Performance of simCode: created initialization part: time 0.0205/1.038, allocations: 12.03 MB / 1.361 GB, free: 9.406 MB / 1.198 GB Notification: Performance of simCode: created event and clocks part: time 1.189e-05/1.038, allocations: 0 / 1.361 GB, free: 9.406 MB / 1.198 GB Notification: Performance of simCode: created simulation system equations: time 0.007044/1.045, allocations: 4.266 MB / 1.365 GB, free: 5.105 MB / 1.198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001905/1.047, allocations: 259.8 kB / 1.366 GB, free: 4.852 MB / 1.198 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 0.06658/1.113, allocations: 41.41 MB / 1.406 GB, free: 10.23 MB / 1.245 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003184/1.116, allocations: 2.271 MB / 1.408 GB, free: 7.918 MB / 1.245 GB Notification: Performance of simCode: alias equations: time 0.00328/1.12, allocations: 1.653 MB / 1.41 GB, free: 6.262 MB / 1.245 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001766/1.121, allocations: 1.207 MB / 1.411 GB, free: 5.051 MB / 1.245 GB Notification: Performance of SimCode: time 1.603e-06/1.121, allocations: 0 / 1.411 GB, free: 5.051 MB / 1.245 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1106/1.232, allocations: 103.5 MB / 1.512 GB, free: 14.17 MB / 1.354 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.589/10.82, allocations: 4.562 kB / 1.512 GB, free: 14.16 MB / 1.354 GB " [Timeout remaining time 289] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 14.92789847496897] Failed to read output from testmodel.py, exit status != 0: 10.946471377275884 10.954058972 10.417931207 Calling exit ...