Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD.conf.json Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.DD") Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.382/2.382, allocations: 251.1 MB / 266.1 MB, free: 11.63 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001536/0.001536, allocations: 180.5 kB / 325.6 MB, free: 2.848 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.442/2.442, allocations: 205.4 MB / 0.5766 GB, free: 20.77 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001151/0.00115, allocations: 94.09 kB / 0.6811 GB, free: 13.62 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0004676/0.0004677, allocations: 15.66 kB / 0.7952 GB, free: 135.6 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.227/0.2274, allocations: 106.3 MB / 0.8989 GB, free: 65.44 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9423/1.17, allocations: 192 MB / 1.086 GB, free: 64.96 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004311/1.17, allocations: 117.5 kB / 1.086 GB, free: 64.96 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.4707/1.641, allocations: 123.8 MB / 1.207 GB, free: 6.953 MB / 0.698 GB Notification: Performance of FrontEnd: time 3.126e-06/1.641, allocations: 0 / 1.207 GB, free: 6.953 MB / 0.698 GB Notification: Performance of Transformations before backend: time 0.0001882/1.641, allocations: 67.98 kB / 1.207 GB, free: 6.887 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.01243/1.654, allocations: 2.828 MB / 1.21 GB, free: 4.184 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 4.617e-05/1.654, allocations: 8.031 kB / 1.21 GB, free: 4.176 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02246/1.676, allocations: 2.088 MB / 1.212 GB, free: 2.086 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006967/1.683, allocations: 2.003 MB / 1.214 GB, free: 340 kB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003243/1.684, allocations: 226.1 kB / 1.214 GB, free: 112 kB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002193/1.686, allocations: 304 kB / 1.215 GB, free: 15.81 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02683/1.713, allocations: 5.836 MB / 1.22 GB, free: 9.863 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001493/1.713, allocations: 11.92 kB / 1.22 GB, free: 9.852 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001242/1.714, allocations: 131.9 kB / 1.221 GB, free: 9.723 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009391/1.715, allocations: 285.3 kB / 1.221 GB, free: 9.441 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03455/1.75, allocations: 6.012 MB / 1.227 GB, free: 3.414 MB / 0.7136 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06852/1.818, allocations: 24.77 MB / 1.251 GB, free: 8.582 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01699/1.835, allocations: 5.465 MB / 1.256 GB, free: 2.766 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005375/1.836, allocations: 139.1 kB / 1.256 GB, free: 2.613 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.588e-05/1.836, allocations: 68.5 kB / 1.256 GB, free: 2.539 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=230): time 5.971e-06/1.836, allocations: 0 / 1.256 GB, free: 2.539 MB / 0.7448 GB Notification: Performance of matching and sorting (n=311): time 0.283/2.119, allocations: 36.1 MB / 1.292 GB, free: 14.28 MB / 0.7917 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001703/2.119, allocations: 243.8 kB / 1.292 GB, free: 13.99 MB / 0.7917 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002779/2.122, allocations: 1.13 MB / 1.293 GB, free: 12.84 MB / 0.7917 GB Notification: Performance of collectPreVariables (initialization): time 0.0009134/2.123, allocations: 73.7 kB / 1.293 GB, free: 12.77 MB / 0.7917 GB Notification: Performance of collectInitialEqns (initialization): time 0.00133/2.124, allocations: 1.239 MB / 1.294 GB, free: 11.51 MB / 0.7917 GB Notification: Performance of collectInitialBindings (initialization): time 0.002057/2.127, allocations: 1.043 MB / 1.295 GB, free: 10.45 MB / 0.7917 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006543/2.127, allocations: 64 kB / 1.295 GB, free: 10.39 MB / 0.7917 GB Notification: Performance of setup shared object (initialization): time 0.0003915/2.128, allocations: 440.7 kB / 1.296 GB, free: 9.949 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01203/2.14, allocations: 2.727 MB / 1.299 GB, free: 7.219 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01298/2.153, allocations: 3.422 MB / 1.302 GB, free: 3.527 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01277/2.166, allocations: 3.137 MB / 1.305 GB, free: 380 kB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.702e-05/2.166, allocations: 4 kB / 1.305 GB, free: 376 kB / 0.7917 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.04294/2.209, allocations: 9.507 MB / 1.314 GB, free: 6.801 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 0.003504/2.212, allocations: 7.324 MB / 1.321 GB, free: 14.9 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.237e-05/2.212, allocations: 27.92 kB / 1.321 GB, free: 14.87 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.06276/2.275, allocations: 7.275 MB / 1.328 GB, free: 7.582 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009241/2.284, allocations: 0.8189 MB / 1.329 GB, free: 6.762 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04827/2.333, allocations: 17.41 MB / 1.346 GB, free: 5.176 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007312/2.34, allocations: 0.5069 MB / 1.347 GB, free: 4.668 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008543/2.341, allocations: 175.9 kB / 1.347 GB, free: 4.496 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 2.108e-05/2.341, allocations: 7.938 kB / 1.347 GB, free: 4.488 MB / 0.8386 GB Warning: The linear system: 1 : line2.i3[1] - transformer.conv2.terminal_p.i[1] = -transformer.conv3.terminal_p.i[1] 2 : line2.i2[1] - transformer.conv1.terminal_p.i[1] = -transformer.conv2.terminal_p.i[1] 3 : line2.i1[1] - transformer.conv3.terminal_p.i[1] = -transformer.conv1.terminal_p.i[1] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ transformer.conv3.terminal_p.i[1] ; transformer.conv1.terminal_p.i[1] ; transformer.conv2.terminal_p.i[1] ] = [ -line2.i3[1] ; -line2.i2[1] ; -line2.i1[1] ] might be structurally or numerically singular for variable transformer.conv2.terminal_p.i[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : line2.i3[2] - transformer.conv2.terminal_p.i[2] = -transformer.conv3.terminal_p.i[2] 2 : line2.i1[2] - transformer.conv3.terminal_p.i[2] = -transformer.conv1.terminal_p.i[2] 3 : line2.i2[2] - transformer.conv1.terminal_p.i[2] = -transformer.conv2.terminal_p.i[2] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ transformer.conv2.terminal_p.i[2] ; transformer.conv1.terminal_p.i[2] ; transformer.conv3.terminal_p.i[2] ] = [ -line2.i3[2] ; -line2.i1[2] ; -line2.i2[2] ] might be structurally or numerically singular for variable transformer.conv3.terminal_p.i[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[2] = line2.v1_n[2] - line2.v2_n[2] 2 : transformer.conv3.V2[2] = line2.v3_n[2] - line2.v1_n[2] 3 : transformer.conv2.V2[2] = line2.v2_n[2] - line2.v3_n[2] [ 1.0 , 0.0 , -1.0 ; 0.0 , -1.0 , 1.0 ; -1.0 , 1.0 , 0.0 ] * [ line2.v2_n[2] ; line2.v3_n[2] ; line2.v1_n[2] ] = [ -transformer.conv1.V2[2] ; -transformer.conv3.V2[2] ; -transformer.conv2.V2[2] ] might be structurally or numerically singular for variable line2.v1_n[2] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : transformer.conv1.V2[1] = line2.v1_n[1] - line2.v2_n[1] 2 : transformer.conv2.V2[1] = line2.v2_n[1] - line2.v3_n[1] 3 : transformer.conv3.V2[1] = line2.v3_n[1] - line2.v1_n[1] [ -1.0 , 0.0 , 1.0 ; 0.0 , 1.0 , -1.0 ; 1.0 , -1.0 , 0.0 ] * [ line2.v1_n[1] ; line2.v3_n[1] ; line2.v2_n[1] ] = [ -transformer.conv1.V2[1] ; -transformer.conv2.V2[1] ; -transformer.conv3.V2[1] ] might be structurally or numerically singular for variable line2.v2_n[1] since U(3,3) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04129/2.382, allocations: 9.605 MB / 1.356 GB, free: 10.68 MB / 0.8542 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.299e-05/2.382, allocations: 20 kB / 1.356 GB, free: 10.66 MB / 0.8542 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02503/2.407, allocations: 3.645 MB / 1.36 GB, free: 6.984 MB / 0.8542 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009135/2.417, allocations: 1.018 MB / 1.361 GB, free: 5.965 MB / 0.8542 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6847/3.101, allocations: 26.14 MB / 1.386 GB, free: 235.2 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007249/3.109, allocations: 0.4922 MB / 1.387 GB, free: 235.2 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001094/3.11, allocations: 182.8 kB / 1.387 GB, free: 235.2 MB / 0.8698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 84 * 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 (270): * Single equations (assignments): 268 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of prepare postOptimizeDAE: time 0.004307/3.114, allocations: 1.409 MB / 1.388 GB, free: 235 MB / 0.8698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009306/3.115, allocations: 191.6 kB / 1.389 GB, free: 235 MB / 0.8698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04521/3.16, allocations: 9.797 MB / 1.398 GB, free: 234.8 MB / 0.8698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.872e-05/3.16, allocations: 34 kB / 1.398 GB, free: 234.8 MB / 0.8698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.78e-05/3.16, allocations: 15.88 kB / 1.398 GB, free: 234.8 MB / 0.8698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.202e-05/3.161, allocations: 13.23 kB / 1.398 GB, free: 234.8 MB / 0.8698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05543/3.216, allocations: 15.15 MB / 1.413 GB, free: 233.5 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.459e-05/3.216, allocations: 7.312 kB / 1.413 GB, free: 233.5 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.005852/3.222, allocations: 0.6333 MB / 1.414 GB, free: 233.5 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.05116/3.273, allocations: 7.04 MB / 1.421 GB, free: 233.4 MB / 0.8698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008259/3.274, allocations: 99.84 kB / 1.421 GB, free: 233.4 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.04012/3.314, allocations: 17.02 MB / 1.437 GB, free: 231.6 MB / 0.8698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.234e-05/3.314, allocations: 19.62 kB / 1.437 GB, free: 231.6 MB / 0.8698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03658/3.351, allocations: 9.523 MB / 1.447 GB, free: 228.2 MB / 0.8698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002974/3.354, allocations: 0.8094 MB / 1.447 GB, free: 227.8 MB / 0.8698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007389/3.355, allocations: 62.34 kB / 1.447 GB, free: 227.8 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00627/3.361, allocations: 496.1 kB / 1.448 GB, free: 227.8 MB / 0.8698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0009961/3.362, allocations: 237.8 kB / 1.448 GB, free: 227.7 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004519/3.362, allocations: 141.6 kB / 1.448 GB, free: 227.7 MB / 0.8698 GB Notification: Performance of sorting global known variables: time 0.001955/3.364, allocations: 0.9012 MB / 1.449 GB, free: 227.3 MB / 0.8698 GB Notification: Performance of sort global known variables: time 5.31e-07/3.364, allocations: 0 / 1.449 GB, free: 227.3 MB / 0.8698 GB Notification: Performance of remove unused functions: time 0.00853/3.373, allocations: 1.634 MB / 1.451 GB, free: 227.2 MB / 0.8698 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 (166): * Single equations (assignments): 164 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(10,73.0%) 62} * Non-linear torn systems: 1 {10 62} Notification: Performance of Backend phase and start with SimCode phase: time 0.00089/3.374, allocations: 207.6 kB / 1.451 GB, free: 227.1 MB / 0.8698 GB Notification: Performance of simCode: created initialization part: time 0.04445/3.418, allocations: 12.1 MB / 1.463 GB, free: 223.1 MB / 0.8698 GB Notification: Performance of simCode: created event and clocks part: time 1.695e-05/3.418, allocations: 3.5 kB / 1.463 GB, free: 223.1 MB / 0.8698 GB Notification: Performance of simCode: created simulation system equations: time 0.01658/3.435, allocations: 4.149 MB / 1.467 GB, free: 221.8 MB / 0.8698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00221/3.437, allocations: 204.9 kB / 1.467 GB, free: 221.8 MB / 0.8698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05037/3.488, allocations: 11.7 MB / 1.478 GB, free: 217.5 MB / 0.8698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003841/3.492, allocations: 2.646 MB / 1.481 GB, free: 216.4 MB / 0.8698 GB Notification: Performance of simCode: alias equations: time 0.008687/3.5, allocations: 1.637 MB / 1.483 GB, free: 216.3 MB / 0.8698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001153/3.502, allocations: 162.7 kB / 1.483 GB, free: 216.2 MB / 0.8698 GB Notification: Performance of SimCode: time 2.124e-06/3.502, allocations: 0 / 1.483 GB, free: 216.2 MB / 0.8698 GB Notification: Performance of Templates: time 0.1423/3.644, allocations: 66.52 MB / 1.548 GB, free: 161.1 MB / 0.8698 GB