Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001545/0.001545, allocations: 107.8 kB / 16.38 MB, free: 6.477 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001627/0.001627, allocations: 186.7 kB / 17.31 MB, free: 5.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.476/1.476, allocations: 205.1 MB / 223.2 MB, free: 12.25 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.836/1.836, allocations: 292.3 MB / 0.5496 GB, free: 17.5 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001491/0.001491, allocations: 68.38 kB / 0.673 GB, free: 5.816 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2527/0.2542, allocations: 114.6 MB / 0.7848 GB, free: 3.148 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.4261/0.6803, allocations: 18.17 MB / 0.8026 GB, free: 40.36 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.01112/0.6916, allocations: 6.83 MB / 0.8092 GB, free: 35.75 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001947/0.6936, allocations: 56.78 kB / 0.8093 GB, free: 35.74 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00364/0.6972, allocations: 1.454 MB / 0.8107 GB, free: 34.89 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.004222/0.7014, allocations: 1.396 MB / 0.8121 GB, free: 34.11 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.003805/0.7053, allocations: 1.284 MB / 0.8133 GB, free: 33.43 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.008629/0.7139, allocations: 5.436 MB / 0.8186 GB, free: 31.14 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009603/0.7236, allocations: 7.197 MB / 0.8257 GB, free: 28.54 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005004/0.7286, allocations: 2.353 MB / 0.828 GB, free: 27.48 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005939/0.7346, allocations: 2.95 MB / 0.8308 GB, free: 26.25 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.001787/0.7364, allocations: 0.5168 MB / 0.8314 GB, free: 26.24 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004026/0.7404, allocations: 1.266 MB / 0.8326 GB, free: 25.96 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.004447/0.7449, allocations: 2.242 MB / 0.8348 GB, free: 25.11 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.005534/0.7505, allocations: 2.168 MB / 0.8369 GB, free: 23.7 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.01308/0.7636, allocations: 7.733 MB / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 9.658e-06/0.7637, allocations: 1.469 kB / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of FrontEnd: time 2.104e-06/0.7637, allocations: 0 / 0.8444 GB, free: 20.73 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0003999/0.7641, allocations: 0 / 0.8444 GB, free: 20.73 MB / 0.6544 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 0.01484/0.7789, allocations: 3.793 MB / 0.8482 GB, free: 18.19 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 6.477e-05/0.779, allocations: 8.844 kB / 0.8482 GB, free: 18.19 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01394/0.793, allocations: 2.34 MB / 0.8504 GB, free: 17.07 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006424/0.7994, allocations: 2.173 MB / 0.8526 GB, free: 15.72 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002781/0.7998, allocations: 265.8 kB / 0.8528 GB, free: 15.6 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001869/0.8016, allocations: 352 kB / 0.8532 GB, free: 15.48 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01788/0.8195, allocations: 7.1 MB / 0.8601 GB, free: 11.43 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000105/0.8197, allocations: 6.031 kB / 0.8601 GB, free: 11.42 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005442/0.8202, allocations: 147.1 kB / 0.8602 GB, free: 11.31 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004447/0.8207, allocations: 332.5 kB / 0.8606 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01627/0.8369, allocations: 6.982 MB / 0.8674 GB, free: 5.848 MB / 0.6544 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0397/0.8767, allocations: 26.36 MB / 0.8931 GB, free: 9.309 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008956/0.8857, allocations: 4.987 MB / 0.898 GB, free: 4.012 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006149/0.8919, allocations: 2.596 MB / 0.9005 GB, free: 1.395 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002863/0.8922, allocations: 135 kB / 0.9006 GB, free: 1.246 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.898e-05/0.8923, allocations: 68.55 kB / 0.9007 GB, free: 1.168 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=208): time 5.139e-06/0.8923, allocations: 0 / 0.9007 GB, free: 1.168 MB / 0.6856 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 0.1093/1.002, allocations: 30.89 MB / 0.9309 GB, free: 2.195 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001232/1.002, allocations: 239.6 kB / 0.9311 GB, free: 1.914 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002396/1.004, allocations: 1.4 MB / 0.9325 GB, free: 0.5039 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0005567/1.005, allocations: 77.69 kB / 0.9325 GB, free: 432 kB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001113/1.006, allocations: 1.48 MB / 0.934 GB, free: 14.92 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.001203/1.007, allocations: 0.9243 MB / 0.9349 GB, free: 13.98 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001195/1.008, allocations: 0.6279 MB / 0.9355 GB, free: 13.35 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 9.901e-05/1.008, allocations: 301.1 kB / 0.9358 GB, free: 13.05 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006067/1.014, allocations: 2.666 MB / 0.9384 GB, free: 10.38 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006793/1.021, allocations: 3.556 MB / 0.9419 GB, free: 6.441 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0132/1.035, allocations: 6.375 MB / 0.9481 GB, free: 15.67 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.824e-05/1.035, allocations: 12 kB / 0.9481 GB, free: 15.66 MB / 0.7481 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 0.0304/1.065, allocations: 10.96 MB / 0.9588 GB, free: 4.59 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 5.181e-05/1.065, allocations: 19.98 kB / 0.9588 GB, free: 4.57 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.998e-05/1.065, allocations: 28 kB / 0.9589 GB, free: 4.543 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0206/1.086, allocations: 5.474 MB / 0.9642 GB, free: 15.05 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004901/1.091, allocations: 0.9867 MB / 0.9652 GB, free: 14.07 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04714/1.138, allocations: 28.13 MB / 0.9926 GB, free: 1.48 MB / 0.7794 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004901/1.143, allocations: 0.5576 MB / 0.9932 GB, free: 0.9219 MB / 0.7794 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007877/1.144, allocations: 151.9 kB / 0.9933 GB, free: 0.7734 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009541/1.153, allocations: 3.96 MB / 0.9972 GB, free: 12.8 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007522/1.161, allocations: 3.509 MB / 1.001 GB, free: 8.918 MB / 0.795 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.09123/1.252, allocations: 24.56 MB / 1.025 GB, free: 15.85 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.273e-05/1.252, allocations: 8 kB / 1.025 GB, free: 15.84 MB / 0.8262 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 0.02824/1.28, allocations: 10.5 MB / 1.035 GB, free: 5.199 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 3.452e-05/1.28, allocations: 16 kB / 1.035 GB, free: 5.184 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.17e-05/1.28, allocations: 30.28 kB / 1.035 GB, free: 5.156 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01553/1.296, allocations: 4.247 MB / 1.039 GB, free: 0.8906 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004902/1.301, allocations: 1.03 MB / 1.04 GB, free: 15.86 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03653/1.337, allocations: 27.12 MB / 1.067 GB, free: 4.004 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004808/1.342, allocations: 0.5341 MB / 1.067 GB, free: 3.469 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007054/1.343, allocations: 148 kB / 1.067 GB, free: 3.324 MB / 0.8575 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 0.001471/1.344, allocations: 399.3 kB / 1.068 GB, free: 2.926 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008405/1.345, allocations: 197.7 kB / 1.068 GB, free: 2.73 MB / 0.8575 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 0.02798/1.373, allocations: 10.16 MB / 1.078 GB, free: 8.492 MB / 0.8731 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.834e-05/1.373, allocations: 15.95 kB / 1.078 GB, free: 8.477 MB / 0.8731 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.802e-06/1.373, allocations: 0 / 1.078 GB, free: 8.477 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001979/1.375, allocations: 0.725 MB / 1.078 GB, free: 7.73 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007055/1.376, allocations: 48 kB / 1.078 GB, free: 7.684 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003942/1.38, allocations: 0.4953 MB / 1.079 GB, free: 7.188 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000711/1.381, allocations: 289.4 kB / 1.079 GB, free: 6.906 MB / 0.8731 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.02591/1.407, allocations: 9.422 MB / 1.088 GB, free: 13.45 MB / 0.8887 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.01879/1.426, allocations: 8.89 MB / 1.097 GB, free: 4.484 MB / 0.8887 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.005918/1.431, allocations: 2.662 MB / 1.1 GB, free: 1.82 MB / 0.8887 GB Notification: Performance of sorting global known variables: time 0.001727/1.433, allocations: 0.9528 MB / 1.101 GB, free: 0.8633 MB / 0.8887 GB Notification: Performance of Backend: time 4.71e-07/1.433, allocations: 0 / 1.101 GB, free: 0.8633 MB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.02871/1.462, allocations: 10.52 MB / 1.111 GB, free: 6.258 MB / 0.9044 GB Notification: Performance of SimCode: time 0.01517/1.477, allocations: 7.207 MB / 1.118 GB, free: 15 MB / 0.92 GB Notification: Performance of Templates: time 0.5479/2.025, allocations: 92.68 MB / 1.208 GB, free: 265 MB / 0.92 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)