Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0008479/0.0008479, allocations: 80.44 kB / 19.17 MB, free: 0.7461 MB / 13.93 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.0008145/0.0008145, allocations: 165.9 kB / 22.45 MB, free: 2.113 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.8474/0.8474, allocations: 177.1 MB / 202.8 MB, free: 5.742 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 1.757/1.757, allocations: 389 MB / 0.633 GB, free: 12.68 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,fileNamePrefix="Buildings_latest_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_latest_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 1.513e-06/1.513e-06, allocations: 0 / 0.9998 GB, free: 13.4 MB / 0.9636 GB Notification: Performance of FrontEnd - Absyn->SCode: time 1.414e-05/1.565e-05, allocations: 4.672 kB / 0.9998 GB, free: 13.4 MB / 0.9636 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD): time 0.01298/0.01299, allocations: 17.51 MB / 1.017 GB, free: 11.83 MB / 0.9792 GB Notification: Performance of NFInst.instExpressions: time 0.007101/0.02009, allocations: 6.706 MB / 1.023 GB, free: 5.102 MB / 0.9792 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007634/0.02086, allocations: 67.69 kB / 1.023 GB, free: 5.035 MB / 0.9792 GB Notification: Performance of NFTyping.typeComponents: time 0.001811/0.02267, allocations: 1.488 MB / 1.025 GB, free: 3.543 MB / 0.9792 GB Notification: Performance of NFTyping.typeBindings: time 0.001743/0.02441, allocations: 1.508 MB / 1.026 GB, free: 2.027 MB / 0.9792 GB Notification: Performance of NFTyping.typeClassSections: time 0.001595/0.02601, allocations: 1.285 MB / 1.028 GB, free: 0.7422 MB / 0.9792 GB Notification: Performance of NFFlatten.flatten: time 0.003473/0.02948, allocations: 5.542 MB / 1.033 GB, free: 11.19 MB / 0.9948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002946/0.03243, allocations: 3.394 MB / 1.036 GB, free: 7.699 MB / 0.9948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002735/0.03516, allocations: 3.337 MB / 1.04 GB, free: 4.355 MB / 0.9948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002331/0.03749, allocations: 2.896 MB / 1.042 GB, free: 1.453 MB / 0.9948 GB Notification: Performance of NFPackage.collectConstants: time 0.000585/0.03808, allocations: 0.5117 MB / 1.043 GB, free: 0.9414 MB / 0.9948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.4473/0.4854, allocations: 1.216 MB / 1.044 GB, free: 54.36 MB / 0.9948 GB Notification: Performance of NFScalarize.scalarize: time 0.002361/0.4877, allocations: 2.406 MB / 1.047 GB, free: 54.36 MB / 0.9948 GB Notification: Performance of NFVerifyModel.verify: time 0.001273/0.489, allocations: 1.552 MB / 1.048 GB, free: 54.36 MB / 0.9948 GB Notification: Performance of NFConvertDAE.convert: time 0.00409/0.4931, allocations: 7.99 MB / 1.056 GB, free: 54.11 MB / 0.9948 GB Notification: Performance of FrontEnd - DAE generated: time 3.747e-06/0.4931, allocations: 2.656 kB / 1.056 GB, free: 54.11 MB / 0.9948 GB Notification: Performance of FrontEnd: time 1.803e-06/0.4931, allocations: 0 / 1.056 GB, free: 54.11 MB / 0.9948 GB Notification: Performance of Transformations before backend: time 4.215e-05/0.4932, allocations: 0 / 1.056 GB, free: 54.11 MB / 0.9948 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 0.003672/0.4968, allocations: 3.802 MB / 1.06 GB, free: 52.67 MB / 0.9948 GB Notification: Performance of prepare preOptimizeDAE: time 3.867e-05/0.4969, allocations: 9.438 kB / 1.06 GB, free: 52.67 MB / 0.9948 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004926/0.4974, allocations: 0.5458 MB / 1.06 GB, free: 52.61 MB / 0.9948 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006145/0.5035, allocations: 2.437 MB / 1.062 GB, free: 52.41 MB / 0.9948 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002488/0.506, allocations: 2.172 MB / 1.065 GB, free: 52.02 MB / 0.9948 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000109/0.5061, allocations: 273 kB / 1.065 GB, free: 52.02 MB / 0.9948 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003969/0.5065, allocations: 347.2 kB / 1.065 GB, free: 52.02 MB / 0.9948 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007427/0.5139, allocations: 7.228 MB / 1.072 GB, free: 49.73 MB / 0.9948 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.892e-05/0.514, allocations: 6.656 kB / 1.072 GB, free: 49.73 MB / 0.9948 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002949/0.5143, allocations: 156.7 kB / 1.072 GB, free: 49.62 MB / 0.9948 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000274/0.5145, allocations: 332.5 kB / 1.073 GB, free: 49.58 MB / 0.9948 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009601/0.5241, allocations: 7.032 MB / 1.08 GB, free: 47.6 MB / 0.9948 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01745/0.5416, allocations: 18.5 MB / 1.098 GB, free: 37.2 MB / 0.9948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00484/0.5464, allocations: 3.714 MB / 1.101 GB, free: 35.93 MB / 0.9948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003434/0.5499, allocations: 2.527 MB / 1.104 GB, free: 35.18 MB / 0.9948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001481/0.55, allocations: 43.53 kB / 1.104 GB, free: 35.18 MB / 0.9948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.078e-05/0.55, allocations: 64.42 kB / 1.104 GB, free: 35.12 MB / 0.9948 GB Notification: Performance of pre-optimization done (n=208): time 4.058e-06/0.55, allocations: 7.984 kB / 1.104 GB, free: 35.11 MB / 0.9948 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 0.05671/0.6068, allocations: 30.79 MB / 1.134 GB, free: 25.99 MB / 0.9948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.272e-05/0.6068, allocations: 238.3 kB / 1.134 GB, free: 25.74 MB / 0.9948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001672/0.6085, allocations: 1.529 MB / 1.136 GB, free: 24.9 MB / 0.9948 GB Notification: Performance of collectPreVariables (initialization): time 0.0002368/0.6087, allocations: 71.77 kB / 1.136 GB, free: 24.84 MB / 0.9948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004754/0.6092, allocations: 1.539 MB / 1.137 GB, free: 23.49 MB / 0.9948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005018/0.6097, allocations: 0.9625 MB / 1.138 GB, free: 22.66 MB / 0.9948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007943/0.6105, allocations: 0.6233 MB / 1.139 GB, free: 22.32 MB / 0.9948 GB Notification: Performance of setup shared object (initialization): time 3.545e-05/0.6105, allocations: 309.5 kB / 1.139 GB, free: 22.02 MB / 0.9948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003369/0.6139, allocations: 2.694 MB / 1.142 GB, free: 20.61 MB / 0.9948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003284/0.6172, allocations: 3.642 MB / 1.145 GB, free: 18.04 MB / 0.9948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006424/0.6236, allocations: 6.403 MB / 1.152 GB, free: 14.12 MB / 0.9948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.249e-05/0.6236, allocations: 8.688 kB / 1.152 GB, free: 14.12 MB / 0.9948 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 0.01406/0.6377, allocations: 10.75 MB / 1.162 GB, free: 7.945 MB / 0.9948 GB Notification: Performance of prepare postOptimizeDAE: time 2.89e-05/0.6377, allocations: 20 kB / 1.162 GB, free: 7.926 MB / 0.9948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.243e-05/0.6378, allocations: 24.56 kB / 1.162 GB, free: 7.902 MB / 0.9948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009337/0.6471, allocations: 5.557 MB / 1.167 GB, free: 2.336 MB / 0.9948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002129/0.6492, allocations: 0.9932 MB / 1.168 GB, free: 1.379 MB / 0.9948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02564/0.6749, allocations: 27.5 MB / 1.195 GB, free: 5.602 MB / 1.026 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002729/0.6776, allocations: 0.5733 MB / 1.196 GB, free: 5.027 MB / 1.026 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002168/0.6778, allocations: 152 kB / 1.196 GB, free: 4.879 MB / 1.026 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.005381/0.6832, allocations: 3.987 MB / 1.2 GB, free: 0.8828 MB / 1.026 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003618/0.6868, allocations: 3.604 MB / 1.203 GB, free: 12.89 MB / 1.042 GB Error: Initialization problem is structural singular. Please, check the initial conditions. Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.04469/0.7315, allocations: 24.47 MB / 1.227 GB, free: 4.066 MB / 1.057 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.817e-05/0.7315, allocations: 8 kB / 1.227 GB, free: 4.059 MB / 1.057 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 0.01445/0.746, allocations: 10.16 MB / 1.237 GB, free: 10.04 MB / 1.073 GB Notification: Performance of prepare postOptimizeDAE: time 2.448e-05/0.746, allocations: 16 kB / 1.237 GB, free: 10.02 MB / 1.073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.046e-05/0.746, allocations: 32.73 kB / 1.237 GB, free: 9.992 MB / 1.073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.007972/0.754, allocations: 4.314 MB / 1.242 GB, free: 5.668 MB / 1.073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002495/0.7565, allocations: 1.046 MB / 1.243 GB, free: 4.637 MB / 1.073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02167/0.7782, allocations: 26.27 MB / 1.268 GB, free: 9.809 MB / 1.104 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002878/0.781, allocations: 0.5615 MB / 1.269 GB, free: 9.246 MB / 1.104 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002076/0.7813, allocations: 151.9 kB / 1.269 GB, free: 9.098 MB / 1.104 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 0.0007512/0.782, allocations: 404.3 kB / 1.269 GB, free: 8.699 MB / 1.104 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003623/0.7824, allocations: 210.7 kB / 1.269 GB, free: 8.492 MB / 1.104 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 0.0143/0.7967, allocations: 9.92 MB / 1.279 GB, free: 14.54 MB / 1.12 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.809e-05/0.7967, allocations: 28 kB / 1.279 GB, free: 14.51 MB / 1.12 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.535e-05/0.7967, allocations: 12 kB / 1.279 GB, free: 14.5 MB / 1.12 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.281e-05/0.7967, allocations: 20.88 kB / 1.279 GB, free: 14.48 MB / 1.12 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 0.02114/0.8179, allocations: 15.4 MB / 1.294 GB, free: 14.96 MB / 1.135 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.166e-05/0.8179, allocations: 12.14 kB / 1.294 GB, free: 14.95 MB / 1.135 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001636/0.8195, allocations: 0.7371 MB / 1.295 GB, free: 14.21 MB / 1.135 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.009767/0.8293, allocations: 5.168 MB / 1.3 GB, free: 9.023 MB / 1.135 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004562/0.8297, allocations: 79.94 kB / 1.3 GB, free: 8.945 MB / 1.135 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02546/0.8552, allocations: 26.52 MB / 1.326 GB, free: 14.03 MB / 1.167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.573e-06/0.8552, allocations: 12.03 kB / 1.326 GB, free: 14.02 MB / 1.167 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 0.0145/0.8697, allocations: 9.888 MB / 1.336 GB, free: 3.922 MB / 1.167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001181/0.8709, allocations: 0.6623 MB / 1.336 GB, free: 3.258 MB / 1.167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002241/0.8711, allocations: 60 kB / 1.336 GB, free: 3.199 MB / 1.167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001704/0.8728, allocations: 0.5069 MB / 1.337 GB, free: 2.691 MB / 1.167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005654/0.8734, allocations: 238.6 kB / 1.337 GB, free: 2.461 MB / 1.167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001418/0.8735, allocations: 91.95 kB / 1.337 GB, free: 2.371 MB / 1.167 GB Notification: Performance of sorting global known variables: time 0.001102/0.8746, allocations: 1.005 MB / 1.338 GB, free: 1.363 MB / 1.167 GB Notification: Performance of sort global known variables: time 5e-08/0.8746, allocations: 0 / 1.338 GB, free: 1.363 MB / 1.167 GB Notification: Performance of remove unused functions: time 0.004953/0.8796, allocations: 1.856 MB / 1.34 GB, free: 15.5 MB / 1.182 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 0.01419/0.8938, allocations: 10.55 MB / 1.35 GB, free: 4.742 MB / 1.182 GB Notification: Performance of simCode: created initialization part: time 0.01711/0.9109, allocations: 12.02 MB / 1.362 GB, free: 8.645 MB / 1.198 GB Notification: Performance of simCode: created event and clocks part: time 9.689e-06/0.9109, allocations: 0 / 1.362 GB, free: 8.645 MB / 1.198 GB Notification: Performance of simCode: created simulation system equations: time 0.005862/0.9167, allocations: 4.242 MB / 1.366 GB, free: 4.363 MB / 1.198 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00156/0.9183, allocations: 291 kB / 1.366 GB, free: 4.082 MB / 1.198 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 0.05834/0.9766, allocations: 42.14 MB / 1.408 GB, free: 8.723 MB / 1.245 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002217/0.9789, allocations: 2.285 MB / 1.41 GB, free: 6.398 MB / 1.245 GB Notification: Performance of simCode: alias equations: time 0.002723/0.9816, allocations: 1.661 MB / 1.411 GB, free: 4.734 MB / 1.245 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001132/0.9827, allocations: 1.227 MB / 1.413 GB, free: 3.504 MB / 1.245 GB Notification: Performance of SimCode: time 1.613e-06/0.9827, allocations: 0 / 1.413 GB, free: 3.504 MB / 1.245 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1071/1.09, allocations: 104.5 MB / 1.515 GB, free: 11.59 MB / 1.354 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.42/11.51, allocations: 10.73 kB / 1.515 GB, free: 11.58 MB / 1.354 GB " [Timeout remaining time 288] (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.sim & python3 -m fmpy simulate --output-file Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD.fmu > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.pipe 2>&1) [Timeout 840.0] [Calling os._exit(0), Time elapsed: 15.678915700875223] Failed to read output from testmodel.py, exit status != 0: 11.631225052289665 11.639825654000001 11.14495962 Calling exit ...