Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_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) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001158/0.001158, allocations: 110.8 kB / 17.54 MB, free: 4.641 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001153/0.001153, allocations: 189.9 kB / 20.71 MB, free: 1.484 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.294/1.294, allocations: 225.6 MB / 249.3 MB, free: 3.227 MB / 190.1 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.485/2.485, allocations: 476.7 MB / 0.7628 GB, free: 15.2 MB / 0.6075 GB " [Timeout remaining time 177] Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/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.UnbalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.001811/0.001811, allocations: 67.89 kB / 1.107 GB, free: 5.07 MB / 0.8419 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7635/0.7653, allocations: 168.7 MB / 1.271 GB, free: 7.703 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01962/0.7849, allocations: 19.27 MB / 1.29 GB, free: 11.21 MB / 1.014 GB Notification: Performance of NFInst.instExpressions: time 0.01173/0.7966, allocations: 7.085 MB / 1.297 GB, free: 6.469 MB / 1.014 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001727/0.7984, allocations: 57.31 kB / 1.297 GB, free: 6.461 MB / 1.014 GB Notification: Performance of NFTyping.typeComponents: time 0.00417/0.8025, allocations: 1.535 MB / 1.299 GB, free: 5.59 MB / 1.014 GB Notification: Performance of NFTyping.typeBindings: time 0.003752/0.8063, allocations: 1.465 MB / 1.3 GB, free: 4.766 MB / 1.014 GB Notification: Performance of NFTyping.typeClassSections: time 0.003279/0.8096, allocations: 1.293 MB / 1.301 GB, free: 4.066 MB / 1.014 GB Notification: Performance of NFFlatten.flatten: time 0.006405/0.816, allocations: 5.472 MB / 1.307 GB, free: 1.758 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005249/0.8212, allocations: 3.321 MB / 1.31 GB, free: 44 kB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003629/0.8249, allocations: 2.38 MB / 1.312 GB, free: 14.97 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004881/0.8297, allocations: 3.181 MB / 1.315 GB, free: 13.71 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.0008924/0.8306, allocations: 0.5178 MB / 1.316 GB, free: 13.71 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00252/0.8331, allocations: 1.286 MB / 1.317 GB, free: 13.44 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.002505/0.8357, allocations: 2.308 MB / 1.319 GB, free: 12.52 MB / 1.029 GB Notification: Performance of NFVerifyModel.verify: time 0.002818/0.8385, allocations: 2.188 MB / 1.322 GB, free: 11.1 MB / 1.029 GB Notification: Performance of NFConvertDAE.convert: time 0.009964/0.8484, allocations: 7.796 MB / 1.329 GB, free: 8.68 MB / 1.029 GB Notification: Performance of FrontEnd - DAE generated: time 6.332e-06/0.8484, allocations: 1.031 kB / 1.329 GB, free: 8.68 MB / 1.029 GB Notification: Performance of FrontEnd: time 1.854e-06/0.8484, allocations: 0 / 1.329 GB, free: 8.68 MB / 1.029 GB Notification: Performance of Transformations before backend: time 0.0002163/0.8487, allocations: 0 / 1.329 GB, free: 8.68 MB / 1.029 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 0.01022/0.8589, allocations: 3.918 MB / 1.333 GB, free: 6.156 MB / 1.029 GB Notification: Performance of prepare preOptimizeDAE: time 3.656e-05/0.8589, allocations: 13.62 kB / 1.333 GB, free: 6.152 MB / 1.029 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0009824/0.8599, allocations: 0.5455 MB / 1.334 GB, free: 5.766 MB / 1.029 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01277/0.8727, allocations: 2.432 MB / 1.336 GB, free: 4.594 MB / 1.029 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005366/0.878, allocations: 2.194 MB / 1.338 GB, free: 3.219 MB / 1.029 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002262/0.8783, allocations: 271.5 kB / 1.338 GB, free: 3.094 MB / 1.029 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001066/0.8793, allocations: 355.7 kB / 1.339 GB, free: 2.973 MB / 1.029 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0144/0.8937, allocations: 7.153 MB / 1.346 GB, free: 14.89 MB / 1.045 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.792e-05/0.8938, allocations: 2.688 kB / 1.346 GB, free: 14.89 MB / 1.045 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004836/0.8943, allocations: 151.5 kB / 1.346 GB, free: 14.78 MB / 1.045 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004368/0.8947, allocations: 332.9 kB / 1.346 GB, free: 14.68 MB / 1.045 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01519/0.9099, allocations: 7.048 MB / 1.353 GB, free: 11.13 MB / 1.045 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03404/0.944, allocations: 26.54 MB / 1.379 GB, free: 4.172 MB / 1.061 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007864/0.9518, allocations: 4.868 MB / 1.384 GB, free: 15.42 MB / 1.076 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005642/0.9575, allocations: 2.538 MB / 1.386 GB, free: 12.86 MB / 1.076 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002261/0.9577, allocations: 131 kB / 1.386 GB, free: 12.71 MB / 1.076 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.08e-05/0.9577, allocations: 60.5 kB / 1.386 GB, free: 12.64 MB / 1.076 GB Notification: Performance of pre-optimization done (n=208): time 3.707e-06/0.9577, allocations: 0 / 1.386 GB, free: 12.64 MB / 1.076 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 0.1012/1.059, allocations: 31.11 MB / 1.417 GB, free: 13.48 MB / 1.108 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001419/1.059, allocations: 235.6 kB / 1.417 GB, free: 13.2 MB / 1.108 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002273/1.061, allocations: 1.469 MB / 1.418 GB, free: 11.72 MB / 1.108 GB Notification: Performance of collectPreVariables (initialization): time 0.0004383/1.062, allocations: 73.7 kB / 1.419 GB, free: 11.64 MB / 1.108 GB Notification: Performance of collectInitialEqns (initialization): time 0.001106/1.063, allocations: 1.546 MB / 1.42 GB, free: 10.08 MB / 1.108 GB Notification: Performance of collectInitialBindings (initialization): time 0.001018/1.064, allocations: 0.9683 MB / 1.421 GB, free: 9.102 MB / 1.108 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001184/1.065, allocations: 0.636 MB / 1.422 GB, free: 8.457 MB / 1.108 GB Notification: Performance of setup shared object (initialization): time 0.0001209/1.065, allocations: 305.1 kB / 1.422 GB, free: 8.156 MB / 1.108 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005929/1.071, allocations: 2.686 MB / 1.425 GB, free: 5.461 MB / 1.108 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006665/1.078, allocations: 3.563 MB / 1.428 GB, free: 1.52 MB / 1.108 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0127/1.09, allocations: 6.402 MB / 1.434 GB, free: 10.72 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.975e-05/1.091, allocations: 4 kB / 1.434 GB, free: 10.71 MB / 1.123 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 0.02715/1.118, allocations: 10.91 MB / 1.445 GB, free: 15.7 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 3.229e-05/1.118, allocations: 16 kB / 1.445 GB, free: 15.68 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.605e-05/1.118, allocations: 35.98 kB / 1.445 GB, free: 15.65 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01919/1.137, allocations: 5.564 MB / 1.45 GB, free: 10.07 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004233/1.141, allocations: 0.9867 MB / 1.451 GB, free: 9.078 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04374/1.185, allocations: 28.22 MB / 1.479 GB, free: 12.4 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00439/1.189, allocations: 0.5732 MB / 1.479 GB, free: 11.83 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003121/1.19, allocations: 151.9 kB / 1.48 GB, free: 11.68 MB / 1.17 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00791/1.198, allocations: 3.99 MB / 1.483 GB, free: 7.684 MB / 1.17 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0064/1.204, allocations: 3.532 MB / 1.487 GB, free: 3.773 MB / 1.17 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.08629/1.29, allocations: 24.62 MB / 1.511 GB, free: 10.64 MB / 1.201 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.04e-05/1.29, allocations: 8.375 kB / 1.511 GB, free: 10.63 MB / 1.201 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 0.025/1.315, allocations: 10.47 MB / 1.521 GB, free: 20 kB / 1.201 GB Notification: Performance of prepare postOptimizeDAE: time 4.116e-05/1.315, allocations: 25.7 kB / 1.521 GB, free: 15.99 MB / 1.217 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.197e-05/1.315, allocations: 32 kB / 1.521 GB, free: 15.96 MB / 1.217 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0147/1.33, allocations: 4.318 MB / 1.525 GB, free: 11.63 MB / 1.217 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004548/1.335, allocations: 1.041 MB / 1.527 GB, free: 10.59 MB / 1.217 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0363/1.371, allocations: 27.17 MB / 1.553 GB, free: 14.69 MB / 1.248 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004374/1.375, allocations: 0.5538 MB / 1.554 GB, free: 14.14 MB / 1.248 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003975/1.376, allocations: 152 kB / 1.554 GB, free: 13.99 MB / 1.248 GB Warning: Assuming fixed start value for the following 2 variables: node4.wyeToDelta.delta.phase[3].v[2]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] node4.wyeToDelta.delta.phase[2].v[1]:VARIABLE(flow=false unit = \"V\" fixed = true ) \"Voltage vector\" type: Real [3,2] Warning: The initial conditions are over specified. The following 2 initial equations are redundant, so they are removed from the initialization_lambda0 system: 0.0 = (-line2.i1[2]) - line2.i3[2] - line2.i2[2] 0.0 = (-line2.i1[1]) - line2.i3[1] - line2.i2[1]. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 119 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (301): * Single equations (assignments): 298 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (10,44,70.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(10,44)} Notification: Performance of prepare postOptimizeDAE: time 0.0008928/1.377, allocations: 407 kB / 1.554 GB, free: 13.59 MB / 1.248 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005907/1.377, allocations: 210.7 kB / 1.554 GB, free: 13.38 MB / 1.248 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 0.02618/1.403, allocations: 10.08 MB / 1.564 GB, free: 3.219 MB / 1.248 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.349e-05/1.403, allocations: 28 kB / 1.564 GB, free: 3.191 MB / 1.248 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.933e-05/1.403, allocations: 16 kB / 1.564 GB, free: 3.176 MB / 1.248 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.524e-05/1.403, allocations: 15.95 kB / 1.564 GB, free: 3.16 MB / 1.248 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 0.03552/1.439, allocations: 16.21 MB / 1.58 GB, free: 2.695 MB / 1.264 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.51e-05/1.439, allocations: 8 kB / 1.58 GB, free: 2.688 MB / 1.264 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003378/1.442, allocations: 0.745 MB / 1.581 GB, free: 1.941 MB / 1.264 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01782/1.46, allocations: 5.173 MB / 1.586 GB, free: 12.75 MB / 1.279 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004409/1.461, allocations: 67.95 kB / 1.586 GB, free: 12.69 MB / 1.279 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04054/1.501, allocations: 27.24 MB / 1.613 GB, free: 0.9453 MB / 1.295 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.056e-05/1.501, allocations: 12.03 kB / 1.613 GB, free: 0.9336 MB / 1.295 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 0.02528/1.526, allocations: 10.05 MB / 1.622 GB, free: 6.625 MB / 1.311 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001839/1.528, allocations: 0.7337 MB / 1.623 GB, free: 5.871 MB / 1.311 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004633/1.529, allocations: 63.92 kB / 1.623 GB, free: 5.809 MB / 1.311 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003453/1.532, allocations: 0.5031 MB / 1.624 GB, free: 5.305 MB / 1.311 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007343/1.533, allocations: 222.4 kB / 1.624 GB, free: 5.086 MB / 1.311 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002413/1.533, allocations: 95.95 kB / 1.624 GB, free: 4.992 MB / 1.311 GB Notification: Performance of sorting global known variables: time 0.001589/1.535, allocations: 1.005 MB / 1.625 GB, free: 3.984 MB / 1.311 GB Notification: Performance of sort global known variables: time 9e-08/1.535, allocations: 0 / 1.625 GB, free: 3.984 MB / 1.311 GB Notification: Performance of remove unused functions: time 0.006051/1.541, allocations: 1.852 MB / 1.627 GB, free: 2.133 MB / 1.311 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 0.02585/1.567, allocations: 10.73 MB / 1.637 GB, free: 7.145 MB / 1.326 GB Notification: Performance of simCode: created initialization part: time 0.02907/1.596, allocations: 12.01 MB / 1.649 GB, free: 11.02 MB / 1.342 GB Notification: Performance of simCode: created event and clocks part: time 1.079e-05/1.596, allocations: 4 kB / 1.649 GB, free: 11.02 MB / 1.342 GB Notification: Performance of simCode: created simulation system equations: time 0.01041/1.606, allocations: 4.242 MB / 1.653 GB, free: 6.73 MB / 1.342 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002428/1.609, allocations: 297.9 kB / 1.653 GB, free: 6.445 MB / 1.342 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. 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 simCode: created linear, non-linear and system jacobian parts: time 0.09572/1.704, allocations: 42.38 MB / 1.695 GB, free: 10.75 MB / 1.389 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003443/1.708, allocations: 2.849 MB / 1.698 GB, free: 7.867 MB / 1.389 GB Notification: Performance of simCode: alias equations: time 0.004228/1.712, allocations: 1.668 MB / 1.699 GB, free: 6.195 MB / 1.389 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001737/1.714, allocations: 1.226 MB / 1.7 GB, free: 4.969 MB / 1.389 GB Notification: Performance of SimCode: time 1.062e-06/1.714, allocations: 0 / 1.7 GB, free: 4.969 MB / 1.389 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1693/1.883, allocations: 105.4 MB / 1.803 GB, free: 11.89 MB / 1.498 GB Notification: Performance of buildModelFMU: Generate platform static: time 15/16.89, allocations: 14.8 kB / 1.803 GB, free: 11.88 MB / 1.498 GB " [Timeout remaining time 283] (rm -f Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_11_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_11_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 420.0] [Calling os._exit(0), Time elapsed: 22.25767829099641]