Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001131/0.001131, allocations: 108.6 kB / 16.41 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001097/0.001097, allocations: 189.2 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.338/1.338, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7575/0.7575, allocations: 122.9 MB / 414.1 MB, free: 15.82 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001294/0.001294, allocations: 64.22 kB / 0.568 GB, free: 28.89 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1625/0.1638, allocations: 77.94 MB / 0.6442 GB, free: 9.488 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02243/0.1862, allocations: 18.16 MB / 0.6619 GB, free: 7.266 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01128/0.1975, allocations: 6.793 MB / 0.6685 GB, free: 464 kB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001688/0.1993, allocations: 55.88 kB / 0.6686 GB, free: 408 kB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.004083/0.2034, allocations: 1.472 MB / 0.67 GB, free: 14.92 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003802/0.2072, allocations: 1.443 MB / 0.6714 GB, free: 13.47 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003742/0.2109, allocations: 1.257 MB / 0.6727 GB, free: 12.21 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.006329/0.2173, allocations: 5.453 MB / 0.678 GB, free: 6.75 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009694/0.227, allocations: 7.072 MB / 0.6849 GB, free: 15.57 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004316/0.2314, allocations: 2.357 MB / 0.6872 GB, free: 13.2 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005292/0.2367, allocations: 2.961 MB / 0.6901 GB, free: 10.23 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001742/0.2384, allocations: 0.5117 MB / 0.6906 GB, free: 9.723 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003956/0.2424, allocations: 1.268 MB / 0.6918 GB, free: 8.453 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003835/0.2463, allocations: 2.242 MB / 0.694 GB, free: 6.207 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.005244/0.2515, allocations: 2.163 MB / 0.6961 GB, free: 4.035 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.01069/0.2622, allocations: 7.761 MB / 0.7037 GB, free: 12.25 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 3.898e-06/0.2623, allocations: 0 / 0.7037 GB, free: 12.25 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.172e-06/0.2623, allocations: 0 / 0.7037 GB, free: 12.25 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002198/0.2625, allocations: 0 / 0.7037 GB, free: 12.25 MB / 0.545 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 0.01047/0.273, allocations: 3.876 MB / 0.7075 GB, free: 8.309 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 5.05e-05/0.2731, allocations: 12.03 kB / 0.7075 GB, free: 8.297 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001108/0.2742, allocations: 0.5423 MB / 0.708 GB, free: 7.746 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01313/0.2873, allocations: 2.421 MB / 0.7104 GB, free: 5.32 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005625/0.293, allocations: 2.179 MB / 0.7125 GB, free: 3.098 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002119/0.2932, allocations: 279.2 kB / 0.7128 GB, free: 2.824 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001031/0.2942, allocations: 347.9 kB / 0.7131 GB, free: 2.484 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01725/0.3115, allocations: 7.122 MB / 0.7201 GB, free: 11.26 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000138/0.3117, allocations: 11.94 kB / 0.7201 GB, free: 11.25 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001016/0.3127, allocations: 148 kB / 0.7202 GB, free: 11.1 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005554/0.3133, allocations: 330 kB / 0.7205 GB, free: 10.78 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01782/0.3311, allocations: 7.031 MB / 0.7274 GB, free: 3.734 MB / 0.5606 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.4095/0.7406, allocations: 26.46 MB / 0.7532 GB, free: 80.43 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008718/0.7494, allocations: 4.993 MB / 0.7581 GB, free: 78.78 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006382/0.7558, allocations: 2.609 MB / 0.7607 GB, free: 78.18 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002727/0.7561, allocations: 128 kB / 0.7608 GB, free: 78.08 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.159e-05/0.7562, allocations: 66.92 kB / 0.7609 GB, free: 78.02 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 8.296e-06/0.7562, allocations: 0.5 kB / 0.7609 GB, free: 78.02 MB / 0.5762 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 0.1024/0.8586, allocations: 31.14 MB / 0.7913 GB, free: 62.18 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.383e-05/0.8587, allocations: 235.6 kB / 0.7915 GB, free: 61.9 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001798/0.8605, allocations: 1.431 MB / 0.7929 GB, free: 60.48 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0005272/0.8611, allocations: 65.7 kB / 0.7929 GB, free: 60.41 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006314/0.8617, allocations: 1.537 MB / 0.7944 GB, free: 59.08 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008191/0.8625, allocations: 0.9706 MB / 0.7954 GB, free: 58.12 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009904/0.8635, allocations: 0.6321 MB / 0.796 GB, free: 57.48 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 4.416e-05/0.8636, allocations: 305.1 kB / 0.7963 GB, free: 57.18 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00523/0.8688, allocations: 2.694 MB / 0.7989 GB, free: 54.48 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005722/0.8746, allocations: 3.575 MB / 0.8024 GB, free: 50.52 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01105/0.8856, allocations: 6.41 MB / 0.8087 GB, free: 43.71 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.232e-05/0.8857, allocations: 8 kB / 0.8087 GB, free: 43.71 MB / 0.5762 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 0.02689/0.9126, allocations: 11 MB / 0.8194 GB, free: 32.61 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 4.368e-05/0.9127, allocations: 20 kB / 0.8195 GB, free: 32.59 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.544e-05/0.9127, allocations: 31.17 kB / 0.8195 GB, free: 32.56 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01863/0.9314, allocations: 5.559 MB / 0.8249 GB, free: 26.98 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004399/0.9358, allocations: 0.9906 MB / 0.8259 GB, free: 25.99 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03831/0.9742, allocations: 28.21 MB / 0.8534 GB, free: 13.37 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007006/0.9812, allocations: 0.5733 MB / 0.854 GB, free: 12.79 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009002/0.9821, allocations: 151.9 kB / 0.8541 GB, free: 12.64 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01262/0.9948, allocations: 3.984 MB / 0.858 GB, free: 8.652 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.009979/1.005, allocations: 3.536 MB / 0.8615 GB, free: 4.738 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.1082/1.113, allocations: 24.64 MB / 0.8855 GB, free: 11.6 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.151e-05/1.113, allocations: 8 kB / 0.8855 GB, free: 11.59 MB / 0.6231 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 0.02754/1.141, allocations: 10.55 MB / 0.8958 GB, free: 0.9062 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 4.185e-05/1.141, allocations: 18.97 kB / 0.8959 GB, free: 0.8906 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.627e-05/1.141, allocations: 28 kB / 0.8959 GB, free: 0.8633 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01586/1.157, allocations: 4.329 MB / 0.9001 GB, free: 12.51 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004813/1.161, allocations: 1.037 MB / 0.9011 GB, free: 11.47 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.036/1.198, allocations: 27.16 MB / 0.9276 GB, free: 15.61 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004957/1.203, allocations: 0.5615 MB / 0.9282 GB, free: 15.05 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006576/1.203, allocations: 148 kB / 0.9283 GB, free: 14.9 MB / 0.67 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[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 0.001354/1.205, allocations: 403.3 kB / 0.9287 GB, free: 14.5 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009202/1.205, allocations: 210.7 kB / 0.9289 GB, free: 14.29 MB / 0.67 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : 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 0.02736/1.233, allocations: 10.16 MB / 0.9388 GB, free: 4.051 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.795e-05/1.233, allocations: 35 kB / 0.9389 GB, free: 4.02 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.056e-05/1.233, allocations: 12 kB / 0.9389 GB, free: 4.008 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.978e-05/1.233, allocations: 15.95 kB / 0.9389 GB, free: 3.992 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 0.0385/1.272, allocations: 16.31 MB / 0.9548 GB, free: 3.504 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.572e-05/1.272, allocations: 9 kB / 0.9548 GB, free: 3.496 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003523/1.275, allocations: 0.741 MB / 0.9556 GB, free: 2.754 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01908/1.294, allocations: 5.181 MB / 0.9606 GB, free: 13.55 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006289/1.295, allocations: 67.95 kB / 0.9607 GB, free: 13.49 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04181/1.337, allocations: 27.23 MB / 0.9873 GB, free: 1.773 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.31e-05/1.337, allocations: 23.95 kB / 0.9873 GB, free: 1.75 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 0.02624/1.363, allocations: 10.14 MB / 0.9972 GB, free: 7.359 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002231/1.365, allocations: 0.726 MB / 0.9979 GB, free: 6.613 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008886/1.366, allocations: 59.94 kB / 0.998 GB, free: 6.555 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003986/1.37, allocations: 0.507 MB / 0.9985 GB, free: 6.047 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008227/1.371, allocations: 230.3 kB / 0.9987 GB, free: 5.82 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003621/1.371, allocations: 91.95 kB / 0.9988 GB, free: 5.73 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001863/1.373, allocations: 0.9723 MB / 0.9997 GB, free: 4.754 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.9e-07/1.373, allocations: 0 / 0.9997 GB, free: 4.754 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.007654/1.381, allocations: 1.85 MB / 1.002 GB, free: 2.906 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 0.027/1.408, allocations: 10.8 MB / 1.012 GB, free: 7.852 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03399/1.442, allocations: 12.47 MB / 1.024 GB, free: 11.28 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.963e-05/1.442, allocations: 1.812 kB / 1.024 GB, free: 11.28 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.01189/1.454, allocations: 4.402 MB / 1.029 GB, free: 6.836 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003404/1.457, allocations: 274.8 kB / 1.029 GB, free: 6.574 MB / 0.7637 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.conv2.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv2.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.4657/1.923, allocations: 42.26 MB / 1.07 GB, free: 251.9 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003345/1.926, allocations: 2.835 MB / 1.073 GB, free: 250.6 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004086/1.931, allocations: 1.658 MB / 1.074 GB, free: 249.9 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001597/1.932, allocations: 1.21 MB / 1.076 GB, free: 248.9 MB / 0.7637 GB Notification: Performance of SimCode: time 1.143e-06/1.932, allocations: 0 / 1.076 GB, free: 248.9 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1331/2.065, allocations: 102.5 MB / 1.176 GB, free: 150.2 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.15/18.21, allocations: 28.31 kB / 1.176 GB, free: 150.1 MB / 0.7637 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)