Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo", uses=false) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo) Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo) Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo) Running command: "" <> buildModelFMU(Modelica.Fluid.Examples.Tanks.ThreeTanks,fileNamePrefix="Modelica_4_1_0-beta_om_Modelica_Fluid_Examples_Tanks_ThreeTanks",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Modelica.Fluid.Examples.Tanks.ThreeTanks,fileNamePrefix="Modelica_4_1_0-beta_om_Modelica_Fluid_Examples_Tanks_ThreeTanks",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001324/0.001324, allocations: 117.2 kB / 17.79 MB, free: 5.273 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001357/0.001357, allocations: 200.6 kB / 18.74 MB, free: 4.332 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0-beta.om/package.mo): time 1.434/1.434, allocations: 227.7 MB / 247.2 MB, free: 10.2 MB / 206.1 MB Warning: Requested package Modelica of version trunk, but this package was already loaded with version 4.1.0. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package Complex of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Warning: Requested package ModelicaServices of version 4.1.0, but this package was already loaded with version trunk. OpenModelica cannot reason about compatibility between the two packages since they are not semantic versions. Notification: Performance of FrontEnd - loaded program: time 0.002138/0.002138, allocations: 59.91 kB / 358.5 MB, free: 13.27 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2732/0.2753, allocations: 50.54 MB / 409.1 MB, free: 1.391 MB / 318.1 MB Notification: Performance of NFInst.instantiate(Modelica.Fluid.Examples.Tanks.ThreeTanks): time 0.0306/0.3059, allocations: 28.85 MB / 437.9 MB, free: 4.43 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.02127/0.3273, allocations: 15.03 MB / 452.9 MB, free: 5.363 MB / 366.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001508/0.3288, allocations: 43.75 kB / 453 MB, free: 5.32 MB / 366.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001615/0.3305, allocations: 0.5824 MB / 453.6 MB, free: 4.734 MB / 366.1 MB Notification: Performance of NFTyping.typeBindings: time 0.005778/0.3363, allocations: 2.309 MB / 455.9 MB, free: 2.414 MB / 366.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.009472/0.3458, allocations: 3.714 MB / 459.6 MB, free: 14.7 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.007108/0.3529, allocations: 4.147 MB / 463.7 MB, free: 10.54 MB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002405/0.3553, allocations: 1.16 MB / 464.9 MB, free: 9.359 MB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003402/0.3588, allocations: 1.55 MB / 466.4 MB, free: 7.805 MB / 382.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003092/0.3619, allocations: 1.678 MB / 468.1 MB, free: 6.121 MB / 382.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0004986/0.3624, allocations: 160 kB / 468.3 MB, free: 5.965 MB / 382.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.005442/0.3679, allocations: 2.457 MB / 470.7 MB, free: 3.504 MB / 382.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0008562/0.3687, allocations: 0.6116 MB / 471.3 MB, free: 2.891 MB / 382.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001333/0.3701, allocations: 0.8672 MB / 472.2 MB, free: 2.02 MB / 382.1 MB Notification: Performance of NFConvertDAE.convert: time 0.006666/0.3768, allocations: 3.797 MB / 476 MB, free: 14.21 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.378e-06/0.3768, allocations: 0 / 476 MB, free: 14.21 MB / 398.1 MB Notification: Performance of FrontEnd: time 1.913e-06/0.3768, allocations: 0 / 476 MB, free: 14.21 MB / 398.1 MB Notification: Performance of Transformations before backend: time 3.009e-05/0.3768, allocations: 0 / 476 MB, free: 14.21 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 261 * Number of variables: 261 Notification: Performance of Generate backend data structure: time 0.005529/0.3824, allocations: 2.27 MB / 478.3 MB, free: 11.88 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.771e-05/0.3824, allocations: 8.031 kB / 478.3 MB, free: 11.87 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002388/0.3827, allocations: 168.4 kB / 478.4 MB, free: 11.7 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0005721/0.3833, allocations: 182.9 kB / 478.6 MB, free: 11.52 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001773/0.385, allocations: 1.078 MB / 479.7 MB, free: 10.4 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001691/0.3852, allocations: 175 kB / 479.9 MB, free: 10.21 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001861/0.3854, allocations: 99.97 kB / 480 MB, free: 10.11 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002945/0.3884, allocations: 1.761 MB / 481.7 MB, free: 8.301 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.722e-05/0.3884, allocations: 0 / 481.7 MB, free: 8.301 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001409/0.3886, allocations: 43.97 kB / 481.8 MB, free: 8.258 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001604/0.3887, allocations: 113.9 kB / 481.9 MB, free: 8.145 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003077/0.3918, allocations: 1.78 MB / 483.7 MB, free: 6.355 MB / 398.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01221/0.404, allocations: 6.712 MB / 490.4 MB, free: 15.31 MB / 414.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002074/0.4061, allocations: 1.23 MB / 491.6 MB, free: 14.07 MB / 414.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001232/0.4074, allocations: 0.7651 MB / 492.4 MB, free: 13.3 MB / 414.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.006358/0.4138, allocations: 4.275 MB / 496.7 MB, free: 8.613 MB / 414.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.544e-05/0.4139, allocations: 47.56 kB / 496.7 MB, free: 8.559 MB / 414.1 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006802/0.4145, allocations: 183 kB / 496.9 MB, free: 8.379 MB / 414.1 MB Notification: Performance of pre-optimization done (n=97): time 3.125e-06/0.4146, allocations: 4 kB / 496.9 MB, free: 8.375 MB / 414.1 MB Notification: Performance of matching and sorting (n=112): time 0.01884/0.4334, allocations: 5.711 MB / 0.4908 GB, free: 2.605 MB / 414.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000102/0.4335, allocations: 145.5 kB / 0.491 GB, free: 2.434 MB / 414.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001815/0.4354, allocations: 1.25 MB / 0.4922 GB, free: 1.176 MB / 414.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001435/0.4355, allocations: 49.7 kB / 0.4922 GB, free: 1.121 MB / 414.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005304/0.4361, allocations: 0.6299 MB / 0.4928 GB, free: 496 kB / 414.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004192/0.4365, allocations: 400.5 kB / 0.4932 GB, free: 92 kB / 414.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005347/0.437, allocations: 295.6 kB / 0.4935 GB, free: 15.79 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 0.0001391/0.4372, allocations: 301.1 kB / 0.4938 GB, free: 15.49 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001281/0.4385, allocations: 0.727 MB / 0.4945 GB, free: 14.76 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001574/0.4401, allocations: 1.064 MB / 0.4955 GB, free: 13.55 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002791/0.4429, allocations: 1.743 MB / 0.4972 GB, free: 11.68 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.734e-06/0.4429, allocations: 4 kB / 0.4972 GB, free: 11.67 MB / 430.1 MB Notification: Performance of matching and sorting (n=181) (initialization): time 0.004237/0.4471, allocations: 2.293 MB / 0.4995 GB, free: 9.371 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.232e-05/0.4472, allocations: 15.59 kB / 0.4995 GB, free: 9.359 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.988e-05/0.4472, allocations: 8 kB / 0.4995 GB, free: 9.352 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.00707/0.4543, allocations: 1.289 MB / 0.5008 GB, free: 8.059 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001394/0.4557, allocations: 299.5 kB / 0.501 GB, free: 7.766 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002873/0.4586, allocations: 1.607 MB / 0.5026 GB, free: 6.129 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001436/0.46, allocations: 59.91 kB / 0.5027 GB, free: 6.07 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001688/0.4602, allocations: 71.97 kB / 0.5027 GB, free: 6 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001809/0.462, allocations: 0.9839 MB / 0.5037 GB, free: 5.012 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001735/0.4638, allocations: 1.059 MB / 0.5047 GB, free: 3.805 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00271/0.4665, allocations: 1.722 MB / 0.5064 GB, free: 1.941 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.506e-06/0.4665, allocations: 4 kB / 0.5064 GB, free: 1.938 MB / 430.1 MB Notification: Performance of matching and sorting (n=181) (initialization_lambda0): time 0.004171/0.4707, allocations: 2.199 MB / 0.5086 GB, free: 15.73 MB / 446.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.149e-05/0.4707, allocations: 8 kB / 0.5086 GB, free: 15.72 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.616e-05/0.4708, allocations: 15.94 kB / 0.5086 GB, free: 15.7 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.006454/0.4772, allocations: 1.104 MB / 0.5097 GB, free: 14.6 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001364/0.4786, allocations: 299.6 kB / 0.51 GB, free: 14.3 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002404/0.481, allocations: 1.462 MB / 0.5114 GB, free: 12.82 MB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001315/0.4824, allocations: 63.91 kB / 0.5114 GB, free: 12.75 MB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001667/0.4825, allocations: 71.95 kB / 0.5115 GB, free: 12.68 MB / 446.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * Number of states: 0 () * Number of discrete variables: 6 (tank3.inFlow[1],tank3.regularFlow[1],tank2.inFlow[1],tank2.regularFlow[1],tank1.inFlow[1],tank1.regularFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (156): * Single equations (assignments): 155 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(8,18)} Notification: Performance of prepare postOptimizeDAE: time 0.0005239/0.4831, allocations: 271.6 kB / 0.5118 GB, free: 12.41 MB / 446.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004288/0.4835, allocations: 155.1 kB / 0.5119 GB, free: 12.26 MB / 446.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004425/0.4879, allocations: 2.086 MB / 0.514 GB, free: 10.16 MB / 446.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.375e-05/0.488, allocations: 12 kB / 0.514 GB, free: 10.15 MB / 446.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.843e-06/0.488, allocations: 8 kB / 0.514 GB, free: 10.14 MB / 446.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.679e-05/0.488, allocations: 7.969 kB / 0.514 GB, free: 10.14 MB / 446.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006163/0.4942, allocations: 3.573 MB / 0.5175 GB, free: 6.508 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.432e-06/0.4942, allocations: 0 / 0.5175 GB, free: 6.508 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009322/0.4952, allocations: 191.8 kB / 0.5177 GB, free: 6.32 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.002506/0.4977, allocations: 0.8636 MB / 0.5185 GB, free: 5.453 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001223/0.4978, allocations: 35.98 kB / 0.5185 GB, free: 5.418 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002421/0.5003, allocations: 1.611 MB / 0.5201 GB, free: 3.781 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.066e-06/0.5003, allocations: 0 / 0.5201 GB, free: 3.781 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005067/0.5053, allocations: 2.921 MB / 0.523 GB, free: 0.8398 MB / 446.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0009023/0.5063, allocations: 407.9 kB / 0.5233 GB, free: 432 kB / 446.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002512/0.5065, allocations: 24 kB / 0.5234 GB, free: 408 kB / 446.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009765/0.5075, allocations: 55.89 kB / 0.5234 GB, free: 352 kB / 446.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002454/0.5078, allocations: 97.36 kB / 0.5235 GB, free: 256 kB / 446.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001394/0.5079, allocations: 51.97 kB / 0.5236 GB, free: 204 kB / 446.1 MB Notification: Performance of sorting global known variables: time 0.001274/0.5092, allocations: 0.8479 MB / 0.5244 GB, free: 15.34 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.6e-07/0.5092, allocations: 4 kB / 0.5244 GB, free: 15.34 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.002842/0.5121, allocations: 1.177 MB / 0.5255 GB, free: 14.16 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 6 (tank1.level,tank1.medium.T,tank2.level,tank2.medium.T,tank3.level,tank3.medium.T) * Number of discrete variables: 6 (tank1.regularFlow[1],tank1.inFlow[1],tank2.regularFlow[1],tank2.inFlow[1],tank3.regularFlow[1],tank3.inFlow[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (96): * Single equations (assignments): 95 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(9,29)} Notification: Performance of Backend phase and start with SimCode phase: time 0.007121/0.5192, allocations: 4.225 MB / 0.5297 GB, free: 9.898 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.006556/0.5258, allocations: 2.854 MB / 0.5325 GB, free: 7.051 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 8.265e-06/0.5258, allocations: 4 kB / 0.5325 GB, free: 7.047 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001852/0.5277, allocations: 0.8806 MB / 0.5333 GB, free: 6.172 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003029/0.5307, allocations: 0.6538 MB / 0.534 GB, free: 5.527 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2184/0.7491, allocations: 14.13 MB / 0.5478 GB, free: 126.5 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005817/0.7497, allocations: 1.295 MB / 0.549 GB, free: 125.7 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 0.001631/0.7514, allocations: 0.5767 MB / 0.5496 GB, free: 125.7 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006192/0.752, allocations: 0.5417 MB / 0.5501 GB, free: 125.3 MB / 462.1 MB Notification: Performance of SimCode: time 7.71e-07/0.752, allocations: 3.406 kB / 0.5501 GB, free: 125.3 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08248/0.8345, allocations: 58.05 MB / 0.6068 GB, free: 71.03 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 15/15.84, allocations: 6.266 kB / 0.6068 GB, free: 71.03 MB / 462.1 MB (rm -f Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.pipe ; mkfifo Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.pipe ; head -c 1048576 < Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.pipe >> ../files/Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.sim & python3 -m fmpy simulate --output-file Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks_res.csv --start-time 0 --stop-time 200 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.08 Modelica_4_1_0-beta_om_Modelica_Fluid_Examples_Tanks_ThreeTanks.fmu > Modelica_4.1.0-beta.om_Modelica.Fluid.Examples.Tanks.ThreeTanks.pipe 2>&1)