Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,fileNamePrefix="Buildings_latest_Buildings_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 0.001216/0.001216, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001403/0.001403, allocations: 193.1 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.376/1.376, allocations: 222.9 MB / 240.2 MB, free: 4.41 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 2.742/2.742, allocations: 469.4 MB / 0.742 GB, free: 7.625 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.001427/0.001427, allocations: 60.48 kB / 0.9083 GB, free: 34.35 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2988/0.3002, allocations: 159.1 MB / 1.064 GB, free: 14.43 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD): time 0.02211/0.3224, allocations: 18.18 MB / 1.081 GB, free: 12.18 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.0113/0.3337, allocations: 6.819 MB / 1.088 GB, free: 5.34 MB / 0.8419 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001504/0.3352, allocations: 55.88 kB / 1.088 GB, free: 5.285 MB / 0.8419 GB Notification: Performance of NFTyping.typeComponents: time 0.003797/0.3391, allocations: 1.448 MB / 1.09 GB, free: 3.836 MB / 0.8419 GB Notification: Performance of NFTyping.typeBindings: time 0.003506/0.3426, allocations: 1.428 MB / 1.091 GB, free: 2.402 MB / 0.8419 GB Notification: Performance of NFTyping.typeClassSections: time 0.003524/0.3461, allocations: 1.259 MB / 1.092 GB, free: 1.141 MB / 0.8419 GB Notification: Performance of NFFlatten.flatten: time 0.005859/0.352, allocations: 5.438 MB / 1.098 GB, free: 11.69 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01038/0.3624, allocations: 7.201 MB / 1.105 GB, free: 4.375 MB / 0.8575 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003818/0.3663, allocations: 2.334 MB / 1.107 GB, free: 2.035 MB / 0.8575 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004694/0.371, allocations: 2.953 MB / 1.11 GB, free: 15.07 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.001662/0.3727, allocations: 0.5117 MB / 1.11 GB, free: 14.56 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003283/0.376, allocations: 1.268 MB / 1.111 GB, free: 13.29 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.003148/0.3792, allocations: 2.242 MB / 1.114 GB, free: 11.05 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.00499/0.3842, allocations: 2.171 MB / 1.116 GB, free: 8.867 MB / 0.8731 GB Notification: Performance of NFConvertDAE.convert: time 0.009713/0.3939, allocations: 7.697 MB / 1.123 GB, free: 1.148 MB / 0.8731 GB Notification: Performance of FrontEnd - DAE generated: time 7.364e-06/0.394, allocations: 0 / 1.123 GB, free: 1.148 MB / 0.8731 GB Notification: Performance of FrontEnd: time 1.673e-06/0.394, allocations: 0 / 1.123 GB, free: 1.148 MB / 0.8731 GB Notification: Performance of Transformations before backend: time 0.0002636/0.3942, allocations: 0 / 1.123 GB, free: 1.148 MB / 0.8731 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 0.0103/0.4046, allocations: 3.789 MB / 1.127 GB, free: 13.3 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 5.436e-05/0.4046, allocations: 8.031 kB / 1.127 GB, free: 13.29 MB / 0.8887 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001611/0.4062, allocations: 0.5384 MB / 1.128 GB, free: 12.75 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01355/0.4198, allocations: 2.419 MB / 1.13 GB, free: 10.32 MB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005083/0.4249, allocations: 2.151 MB / 1.132 GB, free: 8.125 MB / 0.8887 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002506/0.4252, allocations: 267.2 kB / 1.132 GB, free: 7.863 MB / 0.8887 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001464/0.4267, allocations: 348 kB / 1.133 GB, free: 7.523 MB / 0.8887 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01528/0.442, allocations: 7.118 MB / 1.14 GB, free: 312 kB / 0.8887 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.879e-05/0.4421, allocations: 15.84 kB / 1.14 GB, free: 296 kB / 0.8887 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006085/0.4427, allocations: 151.9 kB / 1.14 GB, free: 144 kB / 0.8887 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004806/0.4432, allocations: 330 kB / 1.14 GB, free: 15.82 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0158/0.459, allocations: 7.035 MB / 1.147 GB, free: 8.77 MB / 0.9044 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0327/0.4917, allocations: 26.6 MB / 1.173 GB, free: 11.98 MB / 0.9356 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00845/0.5002, allocations: 5.003 MB / 1.178 GB, free: 6.688 MB / 0.9356 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006017/0.5063, allocations: 2.598 MB / 1.18 GB, free: 4.074 MB / 0.9356 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002737/0.5066, allocations: 131 kB / 1.18 GB, free: 3.93 MB / 0.9356 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.697e-05/0.5066, allocations: 60.5 kB / 1.18 GB, free: 3.859 MB / 0.9356 GB Notification: Performance of pre-optimization done (n=208): time 8.345e-06/0.5067, allocations: 3.984 kB / 1.18 GB, free: 3.855 MB / 0.9356 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 0.1084/0.6151, allocations: 30.89 MB / 1.211 GB, free: 4.875 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001546/0.6153, allocations: 231.6 kB / 1.211 GB, free: 4.602 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002693/0.618, allocations: 1.431 MB / 1.212 GB, free: 3.16 MB / 0.9669 GB Notification: Performance of collectPreVariables (initialization): time 0.0005403/0.6185, allocations: 73.7 kB / 1.212 GB, free: 3.082 MB / 0.9669 GB Notification: Performance of collectInitialEqns (initialization): time 0.001011/0.6196, allocations: 1.482 MB / 1.214 GB, free: 1.578 MB / 0.9669 GB Notification: Performance of collectInitialBindings (initialization): time 0.001341/0.6209, allocations: 0.9242 MB / 1.215 GB, free: 0.6406 MB / 0.9669 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.00177/0.6227, allocations: 0.6318 MB / 1.215 GB, free: 0 / 0.9669 GB Notification: Performance of setup shared object (initialization): time 0.0001252/0.6228, allocations: 305.1 kB / 1.216 GB, free: 15.7 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006293/0.6291, allocations: 2.682 MB / 1.218 GB, free: 13.01 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006768/0.6359, allocations: 3.575 MB / 1.222 GB, free: 9.055 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01339/0.6494, allocations: 6.402 MB / 1.228 GB, free: 2.254 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.182e-05/0.6494, allocations: 8 kB / 1.228 GB, free: 2.246 MB / 0.9825 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 0.03022/0.6796, allocations: 10.99 MB / 1.239 GB, free: 7.148 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 4.843e-05/0.6797, allocations: 16 kB / 1.239 GB, free: 7.133 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.778e-05/0.6798, allocations: 28 kB / 1.239 GB, free: 7.105 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02049/0.7003, allocations: 5.583 MB / 1.244 GB, free: 1.504 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004477/0.7048, allocations: 0.9984 MB / 1.245 GB, free: 0.5039 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5021/1.207, allocations: 28.17 MB / 1.273 GB, free: 156.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004893/1.212, allocations: 0.5759 MB / 1.273 GB, free: 156.6 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005362/1.212, allocations: 154.7 kB / 1.273 GB, free: 156.5 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008396/1.221, allocations: 3.98 MB / 1.277 GB, free: 155.2 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006648/1.228, allocations: 3.531 MB / 1.281 GB, free: 153.3 MB / 0.9981 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0843/1.312, allocations: 24.68 MB / 1.305 GB, free: 144.2 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.896e-05/1.312, allocations: 7.688 kB / 1.305 GB, free: 144.2 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 0.0232/1.335, allocations: 10.54 MB / 1.315 GB, free: 135.9 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 3.461e-05/1.335, allocations: 16 kB / 1.315 GB, free: 135.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.152e-05/1.335, allocations: 27.52 kB / 1.315 GB, free: 135.9 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01346/1.349, allocations: 4.344 MB / 1.319 GB, free: 131.5 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004356/1.353, allocations: 1.045 MB / 1.32 GB, free: 130.5 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0282/1.381, allocations: 27.14 MB / 1.347 GB, free: 102.7 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004441/1.386, allocations: 0.5537 MB / 1.347 GB, free: 102.1 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004436/1.386, allocations: 156.8 kB / 1.348 GB, free: 102 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 0.0009125/1.387, allocations: 403.5 kB / 1.348 GB, free: 101.6 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005477/1.388, allocations: 193.7 kB / 1.348 GB, free: 101.4 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 0.0242/1.412, allocations: 10.17 MB / 1.358 GB, free: 91.15 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.914e-05/1.412, allocations: 28 kB / 1.358 GB, free: 91.12 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.229e-05/1.412, allocations: 12 kB / 1.358 GB, free: 91.11 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.074e-05/1.412, allocations: 16.59 kB / 1.358 GB, free: 91.1 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 0.03248/1.445, allocations: 16.35 MB / 1.374 GB, free: 74.59 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.808e-05/1.445, allocations: 8 kB / 1.374 GB, free: 74.59 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003206/1.448, allocations: 0.7341 MB / 1.375 GB, free: 73.85 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.017/1.465, allocations: 5.207 MB / 1.38 GB, free: 68.63 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005432/1.465, allocations: 75.95 kB / 1.38 GB, free: 68.55 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03281/1.498, allocations: 27.23 MB / 1.407 GB, free: 40.84 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.073e-06/1.498, allocations: 16.03 kB / 1.407 GB, free: 40.82 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 0.02338/1.522, allocations: 10.12 MB / 1.416 GB, free: 30.45 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002011/1.524, allocations: 0.7172 MB / 1.417 GB, free: 29.71 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005759/1.524, allocations: 63.98 kB / 1.417 GB, free: 29.65 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003686/1.528, allocations: 0.507 MB / 1.418 GB, free: 29.14 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008869/1.529, allocations: 226.3 kB / 1.418 GB, free: 28.92 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002096/1.529, allocations: 87.95 kB / 1.418 GB, free: 28.84 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.001233/1.53, allocations: 0.9762 MB / 1.419 GB, free: 27.86 MB / 0.9981 GB Notification: Performance of sort global known variables: time 1.7e-07/1.53, allocations: 0 / 1.419 GB, free: 27.86 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.005893/1.536, allocations: 1.844 MB / 1.421 GB, free: 26.01 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)} 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 0.02328/1.56, allocations: 10.8 MB / 1.431 GB, free: 14.97 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.03037/1.59, allocations: 14.38 MB / 1.445 GB, free: 0.5039 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.578e-05/1.59, allocations: 4 kB / 1.445 GB, free: 0.5 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.01135/1.601, allocations: 4.402 MB / 1.45 GB, free: 12.07 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002864/1.604, allocations: 282.5 kB / 1.45 GB, free: 11.8 MB / 1.014 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 0.1069/1.711, allocations: 43.8 MB / 1.493 GB, free: 14.05 MB / 1.061 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004313/1.716, allocations: 2.837 MB / 1.495 GB, free: 11.18 MB / 1.061 GB Notification: Performance of simCode: alias equations: time 0.005612/1.721, allocations: 1.653 MB / 1.497 GB, free: 9.523 MB / 1.061 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002053/1.723, allocations: 1.206 MB / 1.498 GB, free: 8.316 MB / 1.061 GB Notification: Performance of SimCode: time 9.32e-07/1.723, allocations: 3.938 kB / 1.498 GB, free: 8.312 MB / 1.061 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1556/1.879, allocations: 101.2 MB / 1.597 GB, free: 3.453 MB / 1.154 GB Notification: Performance of buildModelFMU: Generate platform static: time 12.98/14.86, allocations: 10.73 kB / 1.597 GB, free: 3.449 MB / 1.154 GB (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.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 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD.pipe 2>&1)