Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/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.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001181/0.001181, 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 0.001197/0.001197, 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 1.342/1.342, 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 0.7422/0.7422, allocations: 122.9 MB / 414.1 MB, free: 15.8 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001213/0.001213, allocations: 71.86 kB / 0.5681 GB, free: 28.96 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1573/0.1585, allocations: 77.93 MB / 0.6442 GB, free: 9.461 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD): time 0.02218/0.1807, allocations: 18.25 MB / 0.662 GB, free: 7.145 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01172/0.1925, allocations: 6.816 MB / 0.6686 GB, free: 316 kB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001672/0.1942, allocations: 55.88 kB / 0.6687 GB, free: 260 kB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.003933/0.1981, allocations: 1.46 MB / 0.6701 GB, free: 14.79 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.003804/0.202, allocations: 1.459 MB / 0.6715 GB, free: 13.32 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.003377/0.2054, allocations: 1.265 MB / 0.6728 GB, free: 12.06 MB / 0.5137 GB Notification: Performance of NFFlatten.flatten: time 0.005992/0.2114, allocations: 5.464 MB / 0.6781 GB, free: 6.582 MB / 0.5137 GB Notification: Performance of NFFlatten.resolveConnections: time 0.008914/0.2203, allocations: 7.136 MB / 0.6851 GB, free: 15.34 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003905/0.2242, allocations: 2.373 MB / 0.6874 GB, free: 12.96 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00488/0.2291, allocations: 2.976 MB / 0.6903 GB, free: 9.973 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.001751/0.2309, allocations: 0.5156 MB / 0.6908 GB, free: 9.457 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003997/0.2349, allocations: 1.264 MB / 0.6921 GB, free: 8.191 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.003586/0.2385, allocations: 2.25 MB / 0.6942 GB, free: 5.938 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.006309/0.2449, allocations: 2.19 MB / 0.6964 GB, free: 3.738 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.01073/0.2556, allocations: 7.792 MB / 0.704 GB, free: 11.92 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 5.942e-06/0.2557, allocations: 3.938 kB / 0.704 GB, free: 11.92 MB / 0.545 GB Notification: Performance of FrontEnd: time 3.867e-06/0.2557, allocations: 0 / 0.704 GB, free: 11.92 MB / 0.545 GB Notification: Performance of Transformations before backend: time 0.0002354/0.2559, allocations: 3.938 kB / 0.704 GB, free: 11.91 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.0121/0.268, allocations: 3.911 MB / 0.7078 GB, free: 7.938 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 4.904e-05/0.2681, allocations: 8.031 kB / 0.7078 GB, free: 7.93 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001442/0.2695, allocations: 0.5504 MB / 0.7084 GB, free: 7.371 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01353/0.2831, allocations: 2.429 MB / 0.7107 GB, free: 4.938 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006102/0.2892, allocations: 2.203 MB / 0.7129 GB, free: 2.691 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002332/0.2895, allocations: 271.3 kB / 0.7131 GB, free: 2.426 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001437/0.291, allocations: 348 kB / 0.7135 GB, free: 2.086 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01613/0.3071, allocations: 7.155 MB / 0.7205 GB, free: 10.83 MB / 0.5606 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.655e-05/0.3072, allocations: 8 kB / 0.7205 GB, free: 10.82 MB / 0.5606 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004671/0.3077, allocations: 148 kB / 0.7206 GB, free: 10.68 MB / 0.5606 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004391/0.3081, allocations: 334.1 kB / 0.7209 GB, free: 10.35 MB / 0.5606 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01582/0.324, allocations: 7.047 MB / 0.7278 GB, free: 3.289 MB / 0.5606 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 0.418/0.742, allocations: 26.6 MB / 0.7538 GB, free: 80.81 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009999/0.752, allocations: 4.987 MB / 0.7587 GB, free: 78.67 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006709/0.7588, allocations: 2.607 MB / 0.7612 GB, free: 77.91 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003199/0.7591, allocations: 130 kB / 0.7613 GB, free: 77.81 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.296e-05/0.7592, allocations: 66.38 kB / 0.7614 GB, free: 77.75 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=208): time 4.138e-06/0.7592, allocations: 0 / 0.7614 GB, free: 77.75 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.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 0.09888/0.8581, allocations: 31.19 MB / 0.7919 GB, free: 61.8 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.598e-05/0.8582, allocations: 243.6 kB / 0.7921 GB, free: 61.51 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001829/0.86, allocations: 1.47 MB / 0.7935 GB, free: 60.05 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0005409/0.8606, allocations: 73.7 kB / 0.7936 GB, free: 59.97 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006089/0.8612, allocations: 1.555 MB / 0.7951 GB, free: 58.62 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0006918/0.8619, allocations: 0.9587 MB / 0.796 GB, free: 57.67 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009635/0.8628, allocations: 0.6398 MB / 0.7967 GB, free: 57.02 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 3.836e-05/0.8629, allocations: 301.1 kB / 0.797 GB, free: 56.73 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005212/0.8681, allocations: 2.69 MB / 0.7996 GB, free: 54.03 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005686/0.8738, allocations: 3.571 MB / 0.8031 GB, free: 50.07 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01093/0.8848, allocations: 6.398 MB / 0.8093 GB, free: 43.28 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.693e-05/0.8848, allocations: 8 kB / 0.8093 GB, free: 43.27 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.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 0.02505/0.9099, allocations: 11.04 MB / 0.8201 GB, free: 32.13 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.342e-05/0.9099, allocations: 17.09 kB / 0.8201 GB, free: 32.11 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.719e-05/0.91, allocations: 27.98 kB / 0.8202 GB, free: 32.09 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01785/0.9278, allocations: 5.543 MB / 0.8256 GB, free: 26.53 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004201/0.9321, allocations: 0.9906 MB / 0.8265 GB, free: 25.54 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03585/0.968, allocations: 28.22 MB / 0.8541 GB, free: 12.91 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004684/0.9727, allocations: 0.5733 MB / 0.8547 GB, free: 12.34 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004914/0.9732, allocations: 148 kB / 0.8548 GB, free: 12.19 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008088/0.9813, allocations: 3.984 MB / 0.8587 GB, free: 8.199 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006564/0.9879, allocations: 3.532 MB / 0.8621 GB, free: 4.289 MB / 0.5919 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08816/1.076, allocations: 24.62 MB / 0.8862 GB, free: 11.16 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.126e-05/1.076, allocations: 6.734 kB / 0.8862 GB, free: 11.16 MB / 0.6231 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 0.02616/1.102, allocations: 10.55 MB / 0.8965 GB, free: 480 kB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 3.071e-05/1.102, allocations: 20.09 kB / 0.8965 GB, free: 460 kB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.226e-05/1.102, allocations: 28 kB / 0.8965 GB, free: 432 kB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01526/1.118, allocations: 4.317 MB / 0.9007 GB, free: 12.08 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004804/1.123, allocations: 1.037 MB / 0.9018 GB, free: 11.04 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03541/1.158, allocations: 27.15 MB / 0.9283 GB, free: 15.2 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004622/1.163, allocations: 0.5576 MB / 0.9288 GB, free: 14.64 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006331/1.163, allocations: 155.9 kB / 0.929 GB, free: 14.48 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.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 0.001371/1.165, allocations: 395.3 kB / 0.9293 GB, free: 14.09 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000803/1.165, allocations: 206.7 kB / 0.9295 GB, free: 13.89 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 : 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 0.02656/1.192, allocations: 10.17 MB / 0.9395 GB, free: 3.637 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.786e-05/1.192, allocations: 28 kB / 0.9395 GB, free: 3.609 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.19e-05/1.192, allocations: 19.66 kB / 0.9395 GB, free: 3.594 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.189e-05/1.192, allocations: 15.94 kB / 0.9395 GB, free: 3.578 MB / 0.67 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 0.03737/1.23, allocations: 16.29 MB / 0.9554 GB, free: 3.102 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.233e-05/1.23, allocations: 8 kB / 0.9554 GB, free: 3.094 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003477/1.233, allocations: 0.7342 MB / 0.9562 GB, free: 2.359 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01864/1.252, allocations: 5.174 MB / 0.9612 GB, free: 13.16 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005857/1.252, allocations: 79.89 kB / 0.9613 GB, free: 13.09 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04167/1.294, allocations: 27.26 MB / 0.9879 GB, free: 1.348 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.457e-06/1.294, allocations: 12.03 kB / 0.9879 GB, free: 1.336 MB / 0.7169 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 0.02633/1.32, allocations: 10.1 MB / 0.9978 GB, free: 6.98 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002323/1.323, allocations: 0.7337 MB / 0.9985 GB, free: 6.227 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008488/1.324, allocations: 59.98 kB / 0.9986 GB, free: 6.168 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004024/1.328, allocations: 0.5031 MB / 0.9991 GB, free: 5.664 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008412/1.329, allocations: 226.3 kB / 0.9993 GB, free: 5.441 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003831/1.329, allocations: 103.9 kB / 0.9994 GB, free: 5.34 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001774/1.331, allocations: 1.001 MB / 1 GB, free: 4.336 MB / 0.7325 GB Notification: Performance of sort global known variables: time 2.1e-07/1.331, allocations: 0 / 1 GB, free: 4.336 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.00701/1.338, allocations: 1.852 MB / 1.002 GB, free: 2.484 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 : 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 0.02675/1.365, allocations: 10.77 MB / 1.013 GB, free: 7.461 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03172/1.396, allocations: 12.49 MB / 1.025 GB, free: 10.87 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.964e-05/1.396, allocations: 0 / 1.025 GB, free: 10.87 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.01126/1.408, allocations: 4.423 MB / 1.029 GB, free: 6.41 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002786/1.41, allocations: 295 kB / 1.029 GB, free: 6.129 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.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] [ 1.0 , 0.0 , 0.0 , -1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , 1.0 , -1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v2_n[1] ; line2.v2_p[1] ; line2.v1_p[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -loadRL.load1.v[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -transformer.conv1.V2[1] ] might be structurally or numerically singular for variable line2.v1_p[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] [ -1.0 , 0.0 , 0.0 , 1.0 ; 0.0 , 0.0 , 1.0 , -1.0 ; 0.0 , -1.0 , 1.0 , 0.0 ; -1.0 , 1.0 , 0.0 , 0.0 ] * [ line2.v1_p[1] ; line2.v2_p[1] ; line2.v2_n[1] ; line2.v1_n[1] ] = [ line2.Z11[1] * line2.i1[1] + line2.Z13[1] * line2.i3[1] + line2.Z12[1] * line2.i2[1] - line2.Z11[2] * line2.i1[2] - line2.Z13[2] * line2.i3[2] - line2.Z12[2] * line2.i2[2] ; -transformer.conv1.V2[1] ; line2.Z21[1] * line2.i1[1] + line2.Z23[1] * line2.i3[1] + line2.Z22[1] * line2.i2[1] - line2.Z21[2] * line2.i1[2] - line2.Z23[2] * line2.i3[2] - line2.Z22[2] * line2.i2[2] ; -loadRL.load1.v[1] ] might be structurally or numerically singular for variable line2.v1_n[1] since U(4,4) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.4409/1.851, allocations: 42.49 MB / 1.071 GB, free: 252.1 MB / 0.7637 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002789/1.854, allocations: 2.854 MB / 1.074 GB, free: 250.8 MB / 0.7637 GB Notification: Performance of simCode: alias equations: time 0.004025/1.858, allocations: 1.656 MB / 1.075 GB, free: 250.2 MB / 0.7637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001602/1.86, allocations: 1.221 MB / 1.077 GB, free: 249.1 MB / 0.7637 GB Notification: Performance of SimCode: time 1.343e-06/1.86, allocations: 0 / 1.077 GB, free: 249.1 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.129/1.989, allocations: 103.4 MB / 1.178 GB, free: 149.1 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 16.41/18.4, allocations: 17.28 kB / 1.178 GB, free: 149.1 MB / 0.7637 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.pipe 2>&1)