Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001095/0.001095, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00112/0.00112, allocations: 193.6 kB / 16.25 MB, free: 6.625 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.376/1.376, allocations: 222.9 MB / 239.9 MB, free: 4.508 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.883/2.883, allocations: 472.6 MB / 0.7448 GB, free: 4.871 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001223/0.001223, allocations: 61.7 kB / 0.9116 GB, free: 33.5 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3137/0.3149, allocations: 159.9 MB / 1.068 GB, free: 10.78 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.0205/0.3355, allocations: 18.16 MB / 1.085 GB, free: 8.551 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01139/0.3469, allocations: 6.823 MB / 1.092 GB, free: 1.715 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00168/0.3487, allocations: 51.81 kB / 1.092 GB, free: 1.664 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003509/0.3522, allocations: 1.35 MB / 1.093 GB, free: 316 kB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.00323/0.3554, allocations: 1.343 MB / 1.095 GB, free: 14.96 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.002819/0.3583, allocations: 1.158 MB / 1.096 GB, free: 13.8 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.005549/0.3638, allocations: 5.495 MB / 1.101 GB, free: 8.297 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0106/0.3744, allocations: 8.526 MB / 1.11 GB, free: 15.66 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003439/0.3779, allocations: 2.388 MB / 1.112 GB, free: 13.27 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003912/0.3818, allocations: 3.148 MB / 1.115 GB, free: 10.11 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.0009972/0.3828, allocations: 0.5156 MB / 1.116 GB, free: 9.598 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002399/0.3853, allocations: 1.268 MB / 1.117 GB, free: 8.328 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.002373/0.3876, allocations: 2.246 MB / 1.119 GB, free: 6.078 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.002748/0.3904, allocations: 2.19 MB / 1.121 GB, free: 3.879 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.008159/0.3986, allocations: 7.783 MB / 1.129 GB, free: 12.07 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 6.553e-06/0.3986, allocations: 4 kB / 1.129 GB, free: 12.07 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.013e-06/0.3986, allocations: 4 kB / 1.129 GB, free: 12.07 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002156/0.3989, allocations: 0 / 1.129 GB, free: 12.07 MB / 0.8887 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 0.009002/0.4079, allocations: 3.834 MB / 1.132 GB, free: 8.172 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.721e-05/0.4079, allocations: 8.031 kB / 1.132 GB, free: 8.164 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01302/0.421, allocations: 2.411 MB / 1.135 GB, free: 5.746 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004852/0.4259, allocations: 2.171 MB / 1.137 GB, free: 3.531 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002623/0.4261, allocations: 267.5 kB / 1.137 GB, free: 3.27 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001351/0.4275, allocations: 351.9 kB / 1.138 GB, free: 2.926 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01803/0.4455, allocations: 7.151 MB / 1.145 GB, free: 11.67 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001455/0.4457, allocations: 7.938 kB / 1.145 GB, free: 11.66 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.00128/0.447, allocations: 148 kB / 1.145 GB, free: 11.52 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005532/0.4476, allocations: 338.1 kB / 1.145 GB, free: 11.19 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01771/0.4653, allocations: 7.044 MB / 1.152 GB, free: 4.133 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04145/0.5068, allocations: 26.69 MB / 1.178 GB, free: 7.266 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008679/0.5155, allocations: 4.988 MB / 1.183 GB, free: 1.973 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006063/0.5216, allocations: 2.6 MB / 1.185 GB, free: 15.35 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003063/0.522, allocations: 131 kB / 1.185 GB, free: 15.2 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.21e-05/0.522, allocations: 64.56 kB / 1.186 GB, free: 15.13 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=208): time 4.308e-06/0.5221, allocations: 0 / 1.186 GB, free: 15.13 MB / 0.9512 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 0.106/0.6281, allocations: 30.94 MB / 1.216 GB, free: 108 kB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001394/0.6283, allocations: 247.5 kB / 1.216 GB, free: 15.82 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002354/0.6306, allocations: 1.465 MB / 1.217 GB, free: 14.34 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0004607/0.6311, allocations: 69.7 kB / 1.217 GB, free: 14.27 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.001031/0.6321, allocations: 1.497 MB / 1.219 GB, free: 12.75 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001092/0.6332, allocations: 0.9165 MB / 1.22 GB, free: 11.82 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001476/0.6347, allocations: 0.6357 MB / 1.22 GB, free: 11.18 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0001051/0.6348, allocations: 309.1 kB / 1.221 GB, free: 10.87 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00599/0.6408, allocations: 2.686 MB / 1.223 GB, free: 8.176 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006511/0.6474, allocations: 3.575 MB / 1.227 GB, free: 4.223 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01251/0.6599, allocations: 6.395 MB / 1.233 GB, free: 13.43 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.314e-05/0.66, allocations: 8 kB / 1.233 GB, free: 13.42 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : loadRL.load1.v[1] = line2.v1_p[1] - line2.v2_p[1] 3 : line2.v2_n[1] - line2.v2_p[1] = line2.Z21[1] * line2.i1[1] - line2.Z21[2] * line2.i1[2] + line2.Z22[1] * line2.i2[1] - line2.Z22[2] * line2.i2[2] + line2.Z23[1] * line2.i3[1] - line2.Z23[2] * line2.i3[2] 4 : transformer.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 0.02877/0.6887, allocations: 10.98 MB / 1.244 GB, free: 2.332 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.499e-05/0.6888, allocations: 16 kB / 1.244 GB, free: 2.316 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.339e-05/0.6889, allocations: 31.98 kB / 1.244 GB, free: 2.285 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.4965/1.185, allocations: 5.576 MB / 1.249 GB, free: 164.9 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004504/1.19, allocations: 0.9939 MB / 1.25 GB, free: 164.9 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04293/1.233, allocations: 28.18 MB / 1.278 GB, free: 152.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004471/1.237, allocations: 0.5793 MB / 1.278 GB, free: 152.9 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000478/1.238, allocations: 159.1 kB / 1.279 GB, free: 152.8 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007646/1.246, allocations: 3.979 MB / 1.282 GB, free: 151.5 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006073/1.252, allocations: 3.527 MB / 1.286 GB, free: 149.6 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08287/1.335, allocations: 24.67 MB / 1.31 GB, free: 138.6 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.784e-05/1.335, allocations: 8 kB / 1.31 GB, free: 138.6 MB / 0.9981 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 0.02254/1.357, allocations: 10.53 MB / 1.32 GB, free: 128.1 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 2.828e-05/1.357, allocations: 16 kB / 1.32 GB, free: 128 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.609e-05/1.357, allocations: 28 kB / 1.32 GB, free: 128 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01407/1.371, allocations: 4.333 MB / 1.325 GB, free: 123.7 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004718/1.376, allocations: 1.041 MB / 1.326 GB, free: 122.6 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02795/1.404, allocations: 27.17 MB / 1.352 GB, free: 94.81 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004504/1.409, allocations: 0.5537 MB / 1.353 GB, free: 94.26 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004569/1.409, allocations: 155.9 kB / 1.353 GB, free: 94.11 MB / 0.9981 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = "V" fixed = true ) "Voltage vector" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.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 0.0009882/1.41, allocations: 394.4 kB / 1.353 GB, free: 93.73 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005549/1.411, allocations: 197.7 kB / 1.353 GB, free: 93.54 MB / 0.9981 GB Warning: The linear system: 1 : line2.v1_n[1] - line2.v1_p[1] = line2.Z11[1] * line2.i1[1] - line2.Z11[2] * line2.i1[2] + line2.Z12[1] * line2.i2[1] - line2.Z12[2] * line2.i2[2] + line2.Z13[1] * line2.i3[1] - line2.Z13[2] * line2.i3[2] 2 : 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 0.02325/1.434, allocations: 10.17 MB / 1.363 GB, free: 83.3 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.179e-05/1.434, allocations: 28.55 kB / 1.363 GB, free: 83.27 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.076e-05/1.434, allocations: 12 kB / 1.363 GB, free: 83.26 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.242e-05/1.434, allocations: 15.95 kB / 1.363 GB, free: 83.25 MB / 0.9981 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 0.03266/1.467, allocations: 16.34 MB / 1.379 GB, free: 66.72 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.211e-05/1.467, allocations: 11.94 kB / 1.379 GB, free: 66.71 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003243/1.47, allocations: 0.7408 MB / 1.38 GB, free: 65.97 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01683/1.487, allocations: 5.193 MB / 1.385 GB, free: 60.76 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005894/1.488, allocations: 75.95 kB / 1.385 GB, free: 60.69 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03206/1.52, allocations: 27.24 MB / 1.412 GB, free: 32.96 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.144e-06/1.52, allocations: 12.03 kB / 1.412 GB, free: 32.95 MB / 0.9981 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 0.02236/1.542, allocations: 10.13 MB / 1.422 GB, free: 22.58 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002058/1.544, allocations: 0.7234 MB / 1.422 GB, free: 21.84 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005016/1.545, allocations: 52 kB / 1.422 GB, free: 21.79 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00328/1.548, allocations: 0.5109 MB / 1.423 GB, free: 21.27 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008473/1.549, allocations: 230.3 kB / 1.423 GB, free: 21.05 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002249/1.549, allocations: 87.95 kB / 1.423 GB, free: 20.96 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001307/1.55, allocations: 1.001 MB / 1.424 GB, free: 19.96 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.51e-07/1.55, allocations: 0 / 1.424 GB, free: 19.96 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.005891/1.556, allocations: 1.855 MB / 1.426 GB, free: 18.1 MB / 0.9981 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)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003909/1.557, allocations: 186.2 kB / 1.426 GB, free: 17.92 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02989/1.587, allocations: 14.39 MB / 1.44 GB, free: 3.449 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.559e-05/1.587, allocations: 0.875 kB / 1.44 GB, free: 3.449 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.00958/1.596, allocations: 4.397 MB / 1.445 GB, free: 15.02 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002779/1.599, allocations: 289.7 kB / 1.445 GB, free: 14.74 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0283/1.627, allocations: 11.11 MB / 1.456 GB, free: 3.52 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005032/1.632, allocations: 2.849 MB / 1.458 GB, free: 0.6328 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.006327/1.639, allocations: 1.657 MB / 1.46 GB, free: 14.97 MB / 1.029 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009515/1.64, allocations: 171.3 kB / 1.46 GB, free: 14.8 MB / 1.029 GB Notification: Performance of SimCode: time 1.372e-06/1.64, allocations: 0 / 1.46 GB, free: 14.8 MB / 1.029 GB Notification: Performance of Templates: time 0.1215/1.761, allocations: 78.43 MB / 1.537 GB, free: 0.5625 MB / 1.092 GB make -j1 -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.makefile (rm -f Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & ./Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1)