Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_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 0.001373/0.001373, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001257/0.001257, allocations: 193.2 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.335/1.335, allocations: 222.9 MB / 240.2 MB, free: 4.402 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002165/0.002165, allocations: 290.6 kB / 290.7 MB, free: 2.008 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9555/0.9555, allocations: 169.3 MB / 0.4982 GB, free: 13.88 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001699/0.001699, allocations: 93.08 kB / 0.5954 GB, free: 27.93 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1678/0.1696, allocations: 86.98 MB / 0.6803 GB, free: 0.5664 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.02153/0.1911, allocations: 18.26 MB / 0.6982 GB, free: 14.25 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01392/0.2051, allocations: 6.855 MB / 0.7048 GB, free: 7.375 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002237/0.2074, allocations: 55.88 kB / 0.7049 GB, free: 7.32 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004018/0.2114, allocations: 1.461 MB / 0.7063 GB, free: 5.855 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003823/0.2153, allocations: 1.416 MB / 0.7077 GB, free: 4.434 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.003257/0.2186, allocations: 1.298 MB / 0.709 GB, free: 3.133 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.005776/0.2243, allocations: 5.472 MB / 0.7143 GB, free: 13.65 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01001/0.2344, allocations: 7.229 MB / 0.7214 GB, free: 6.312 MB / 0.5137 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005155/0.2396, allocations: 2.357 MB / 0.7237 GB, free: 3.949 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005026/0.2446, allocations: 2.968 MB / 0.7266 GB, free: 0.9727 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.001698/0.2463, allocations: 0.5195 MB / 0.7271 GB, free: 464 kB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003368/0.2497, allocations: 1.268 MB / 0.7283 GB, free: 15.18 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.0034/0.2531, allocations: 2.253 MB / 0.7305 GB, free: 12.93 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.004946/0.2581, allocations: 2.183 MB / 0.7327 GB, free: 10.73 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.009014/0.2671, allocations: 7.736 MB / 0.7402 GB, free: 2.977 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.821e-06/0.2671, allocations: 0 / 0.7402 GB, free: 2.977 MB / 0.5294 GB Notification: Performance of FrontEnd: time 1.573e-06/0.2671, allocations: 0 / 0.7402 GB, free: 2.977 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 0.000185/0.2673, allocations: 0 / 0.7402 GB, free: 2.977 MB / 0.5294 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 0.01098/0.2783, allocations: 3.834 MB / 0.744 GB, free: 15.08 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.144e-05/0.2784, allocations: 12.03 kB / 0.744 GB, free: 15.07 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009638/0.2794, allocations: 0.5465 MB / 0.7445 GB, free: 14.52 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01244/0.2918, allocations: 2.341 MB / 0.7468 GB, free: 12.17 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005364/0.2972, allocations: 2.167 MB / 0.7489 GB, free: 9.957 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003956/0.2977, allocations: 271.3 kB / 0.7492 GB, free: 9.691 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001922/0.2996, allocations: 348 kB / 0.7495 GB, free: 9.352 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02571/0.3253, allocations: 7.128 MB / 0.7565 GB, free: 2.117 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001684/0.3256, allocations: 3.938 kB / 0.7565 GB, free: 2.113 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001483/0.3271, allocations: 152 kB / 0.7566 GB, free: 1.965 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0007344/0.3278, allocations: 330.1 kB / 0.7569 GB, free: 1.641 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01949/0.3473, allocations: 7.001 MB / 0.7638 GB, free: 10.63 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.335/0.6824, allocations: 26.61 MB / 0.7898 GB, free: 73.02 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007703/0.6901, allocations: 4.989 MB / 0.7946 GB, free: 70.32 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005755/0.6959, allocations: 2.602 MB / 0.7972 GB, free: 69.57 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002417/0.6962, allocations: 132.6 kB / 0.7973 GB, free: 69.47 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.642e-05/0.6962, allocations: 64.03 kB / 0.7974 GB, free: 69.41 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=208): time 5.761e-06/0.6962, allocations: 1.219 kB / 0.7974 GB, free: 69.41 MB / 0.5606 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 0.1135/0.8097, allocations: 30.93 MB / 0.8276 GB, free: 54.58 MB / 0.5606 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.002e-05/0.8098, allocations: 251.5 kB / 0.8278 GB, free: 54.29 MB / 0.5606 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002169/0.812, allocations: 1.446 MB / 0.8292 GB, free: 52.83 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0005748/0.8126, allocations: 65.7 kB / 0.8293 GB, free: 52.76 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007821/0.8134, allocations: 1.501 MB / 0.8307 GB, free: 51.25 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0009613/0.8143, allocations: 0.9228 MB / 0.8316 GB, free: 50.34 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001306/0.8157, allocations: 0.6318 MB / 0.8323 GB, free: 49.7 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 3.899e-05/0.8157, allocations: 301.1 kB / 0.8325 GB, free: 49.4 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004986/0.8207, allocations: 2.674 MB / 0.8352 GB, free: 46.72 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00533/0.826, allocations: 3.548 MB / 0.8386 GB, free: 42.8 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01045/0.8365, allocations: 6.383 MB / 0.8449 GB, free: 36.02 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.034e-05/0.8365, allocations: 11.75 kB / 0.8449 GB, free: 36.01 MB / 0.5606 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 0.02444/0.861, allocations: 10.95 MB / 0.8556 GB, free: 24.96 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 3.729e-05/0.861, allocations: 16 kB / 0.8556 GB, free: 24.94 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.477e-05/0.8611, allocations: 28 kB / 0.8556 GB, free: 24.91 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01783/0.8789, allocations: 5.509 MB / 0.861 GB, free: 19.39 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003971/0.8829, allocations: 0.9855 MB / 0.8619 GB, free: 18.41 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03715/0.9201, allocations: 28.17 MB / 0.8894 GB, free: 5.82 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004369/0.9245, allocations: 0.5459 MB / 0.89 GB, free: 5.273 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006389/0.9252, allocations: 160 kB / 0.8901 GB, free: 5.117 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007824/0.933, allocations: 3.96 MB / 0.894 GB, free: 1.148 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006314/0.9393, allocations: 3.509 MB / 0.8974 GB, free: 13.26 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08712/1.026, allocations: 24.6 MB / 0.9214 GB, free: 4.16 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.353e-05/1.027, allocations: 15.88 kB / 0.9215 GB, free: 4.145 MB / 0.6075 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 0.02727/1.054, allocations: 10.5 MB / 0.9317 GB, free: 9.508 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 4.081e-05/1.054, allocations: 18.03 kB / 0.9317 GB, free: 9.492 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.614e-05/1.054, allocations: 24.56 kB / 0.9318 GB, free: 9.469 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0148/1.069, allocations: 4.259 MB / 0.9359 GB, free: 5.188 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004556/1.073, allocations: 1.028 MB / 0.9369 GB, free: 4.16 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04196/1.115, allocations: 27.17 MB / 0.9634 GB, free: 8.293 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004424/1.12, allocations: 0.5341 MB / 0.964 GB, free: 7.758 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006062/1.12, allocations: 148 kB / 0.9641 GB, free: 7.613 MB / 0.6544 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 0.001137/1.122, allocations: 401.2 kB / 0.9645 GB, free: 7.215 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007681/1.122, allocations: 201.7 kB / 0.9647 GB, free: 7.016 MB / 0.6544 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : 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 0.0272/1.15, allocations: 10.16 MB / 0.9746 GB, free: 12.78 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.397e-05/1.15, allocations: 32 kB / 0.9746 GB, free: 12.75 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.502e-05/1.15, allocations: 12 kB / 0.9747 GB, free: 12.73 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.058e-05/1.15, allocations: 19.94 kB / 0.9747 GB, free: 12.71 MB / 0.67 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 0.03692/1.187, allocations: 16.34 MB / 0.9906 GB, free: 12.19 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.319e-05/1.187, allocations: 11.94 kB / 0.9906 GB, free: 12.18 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005667/1.192, allocations: 0.7338 MB / 0.9914 GB, free: 11.44 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01909/1.212, allocations: 5.118 MB / 0.9964 GB, free: 6.305 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006045/1.212, allocations: 75.95 kB / 0.9964 GB, free: 6.23 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0396/1.252, allocations: 27.22 MB / 1.023 GB, free: 10.53 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.417e-06/1.252, allocations: 12.03 kB / 1.023 GB, free: 10.52 MB / 0.7169 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 0.03482/1.287, allocations: 10.13 MB / 1.033 GB, free: 136 kB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002855/1.29, allocations: 0.7249 MB / 1.034 GB, free: 15.38 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001022/1.291, allocations: 55.98 kB / 1.034 GB, free: 15.33 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.005763/1.296, allocations: 0.5031 MB / 1.034 GB, free: 14.82 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001228/1.298, allocations: 230.3 kB / 1.034 GB, free: 14.6 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005208/1.298, allocations: 91.95 kB / 1.034 GB, free: 14.51 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.002312/1.301, allocations: 0.9816 MB / 1.035 GB, free: 13.52 MB / 0.7325 GB Notification: Performance of sort global known variables: time 4.01e-07/1.301, allocations: 0 / 1.035 GB, free: 13.52 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.007242/1.308, allocations: 1.836 MB / 1.037 GB, free: 11.69 MB / 0.7325 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 0.02627/1.334, allocations: 10.79 MB / 1.048 GB, free: 0.6367 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.3108/1.645, allocations: 14.33 MB / 1.062 GB, free: 245.9 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 9.357e-06/1.645, allocations: 1.125 kB / 1.062 GB, free: 245.9 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.01004/1.655, allocations: 4.397 MB / 1.066 GB, free: 244.9 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002032/1.657, allocations: 286 kB / 1.066 GB, free: 244.8 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. 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 simCode: created linear, non-linear and system jacobian parts: time 0.09705/1.754, allocations: 44.07 MB / 1.109 GB, free: 217.4 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004093/1.758, allocations: 2.851 MB / 1.112 GB, free: 214.5 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.005655/1.764, allocations: 1.645 MB / 1.114 GB, free: 212.9 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001511/1.766, allocations: 1.222 MB / 1.115 GB, free: 211.7 MB / 0.7325 GB Notification: Performance of SimCode: time 1.052e-06/1.766, allocations: 0 / 1.115 GB, free: 211.7 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1321/1.898, allocations: 101.7 MB / 1.214 GB, free: 110.5 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.46/14.36, allocations: 25.52 kB / 1.214 GB, free: 110.4 MB / 0.7325 GB (rm -f BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 BuildingSystems_BuildingSystems_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > BuildingSystems_BuildingSystems.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)