Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed") translateModel(IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001273/0.001273, allocations: 106.8 kB / 16.52 MB, free: 6.727 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001251/0.001251, allocations: 195.2 kB / 17.45 MB, free: 6.051 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.359/1.359, allocations: 222.9 MB / 241.1 MB, free: 13.79 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7209/0.7209, allocations: 115.3 MB / 406.6 MB, free: 6.527 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001542/0.001542, allocations: 67.89 kB / 493.6 MB, free: 0.8711 MB / 398.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3964/0.3979, allocations: 76.17 MB / 0.5564 GB, free: 35.52 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed): time 0.06231/0.4603, allocations: 69.51 MB / 0.6243 GB, free: 15.08 MB / 478.1 MB Notification: Performance of NFInst.instExpressions: time 0.02188/0.4822, allocations: 14.67 MB / 0.6386 GB, free: 376 kB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003905/0.4862, allocations: 67.62 kB / 0.6386 GB, free: 308 kB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.00345/0.4897, allocations: 0.7498 MB / 0.6394 GB, free: 15.55 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.008277/0.498, allocations: 2.358 MB / 0.6417 GB, free: 13.18 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005668/0.5037, allocations: 1.794 MB / 0.6434 GB, free: 11.41 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.007936/0.5116, allocations: 5.947 MB / 0.6492 GB, free: 5.453 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002863/0.5145, allocations: 1.337 MB / 0.6505 GB, free: 4.082 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004/0.5186, allocations: 1.49 MB / 0.652 GB, free: 2.586 MB / 494.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002688/0.5213, allocations: 1.272 MB / 0.6532 GB, free: 1.309 MB / 494.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006763/0.522, allocations: 92 kB / 0.6533 GB, free: 1.219 MB / 494.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00488/0.5269, allocations: 1.751 MB / 0.655 GB, free: 15.46 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0008428/0.5278, allocations: 370.5 kB / 0.6554 GB, free: 15.1 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.002303/0.5301, allocations: 0.9251 MB / 0.6563 GB, free: 14.17 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.004877/0.535, allocations: 2.721 MB / 0.659 GB, free: 11.45 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 7.925e-06/0.5351, allocations: 4 kB / 0.659 GB, free: 11.44 MB / 0.4981 GB Notification: Performance of FrontEnd: time 2.525e-06/0.5351, allocations: 0 / 0.659 GB, free: 11.44 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 0.0001046/0.5352, allocations: 0 / 0.659 GB, free: 11.44 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.006428/0.5416, allocations: 2.363 MB / 0.6613 GB, free: 9.004 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.857e-05/0.5417, allocations: 8.031 kB / 0.6613 GB, free: 8.996 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005658/0.5473, allocations: 0.6543 MB / 0.6619 GB, free: 8.34 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003574/0.551, allocations: 1.565 MB / 0.6634 GB, free: 6.719 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001933/0.5512, allocations: 132 kB / 0.6636 GB, free: 6.582 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003996/0.5516, allocations: 123.9 kB / 0.6637 GB, free: 6.461 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004852/0.5565, allocations: 1.632 MB / 0.6653 GB, free: 4.738 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.336e-05/0.5565, allocations: 3.938 kB / 0.6653 GB, free: 4.734 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002303/0.5568, allocations: 52 kB / 0.6653 GB, free: 4.684 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.222e-05/0.5569, allocations: 36 kB / 0.6654 GB, free: 4.648 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00491/0.5618, allocations: 1.445 MB / 0.6668 GB, free: 3.195 MB / 0.4981 GB 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 0.01204/0.5738, allocations: 6.954 MB / 0.6736 GB, free: 11.9 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002383/0.5763, allocations: 0.7557 MB / 0.6743 GB, free: 11.14 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00166/0.5779, allocations: 496.4 kB / 0.6748 GB, free: 10.66 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001445/0.5794, allocations: 1.267 MB / 0.676 GB, free: 9.113 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002132/0.5816, allocations: 0.644 MB / 0.6766 GB, free: 8.43 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=69): time 5.27e-06/0.5816, allocations: 4 kB / 0.6767 GB, free: 8.426 MB / 0.5137 GB Notification: Performance of matching and sorting (n=69): time 0.01059/0.5922, allocations: 2.041 MB / 0.6786 GB, free: 6.355 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001557/0.5924, allocations: 324.9 kB / 0.679 GB, free: 5.965 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002823/0.5952, allocations: 1.391 MB / 0.6803 GB, free: 4.562 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.0002162/0.5955, allocations: 45.7 kB / 0.6804 GB, free: 4.512 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007471/0.5963, allocations: 0.7036 MB / 0.681 GB, free: 3.801 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003599/0.5966, allocations: 244.6 kB / 0.6813 GB, free: 3.559 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005938/0.5972, allocations: 246.3 kB / 0.6815 GB, free: 3.309 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.0001403/0.5974, allocations: 341.9 kB / 0.6818 GB, free: 2.969 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002063/0.5995, allocations: 0.5083 MB / 0.6823 GB, free: 2.457 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002336/0.6018, allocations: 0.7983 MB / 0.6831 GB, free: 1.531 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00386/0.6057, allocations: 1.162 MB / 0.6842 GB, free: 284 kB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.24e-05/0.6057, allocations: 4 kB / 0.6843 GB, free: 280 kB / 0.5137 GB Notification: Performance of matching and sorting (n=117) (initialization): time 0.006939/0.6127, allocations: 1.63 MB / 0.6858 GB, free: 14.62 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 7.174e-05/0.6128, allocations: 33.7 kB / 0.6859 GB, free: 14.59 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.387e-05/0.6128, allocations: 12.61 kB / 0.6859 GB, free: 14.57 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001434/0.6143, allocations: 364.4 kB / 0.6862 GB, free: 14.22 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001604/0.6159, allocations: 267.5 kB / 0.6865 GB, free: 13.96 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001257/0.6172, allocations: 0.8892 MB / 0.6874 GB, free: 13.05 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002708/0.6199, allocations: 275.3 kB / 0.6876 GB, free: 12.78 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002135/0.6201, allocations: 59.94 kB / 0.6877 GB, free: 12.72 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002713/0.6228, allocations: 0.7986 MB / 0.6885 GB, free: 11.92 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002329/0.6252, allocations: 0.8058 MB / 0.6892 GB, free: 10.99 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003752/0.629, allocations: 1.154 MB / 0.6904 GB, free: 9.746 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.688e-05/0.629, allocations: 7.984 kB / 0.6904 GB, free: 9.738 MB / 0.5294 GB Notification: Performance of matching and sorting (n=117) (initialization_lambda0): time 0.006837/0.6358, allocations: 1.63 MB / 0.692 GB, free: 8.09 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 5.302e-05/0.6359, allocations: 41.62 kB / 0.692 GB, free: 8.043 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.42e-05/0.636, allocations: 8 kB / 0.692 GB, free: 8.035 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001279/0.6372, allocations: 357.3 kB / 0.6924 GB, free: 7.688 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001622/0.6389, allocations: 267.5 kB / 0.6926 GB, free: 7.426 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001243/0.6401, allocations: 0.8841 MB / 0.6935 GB, free: 6.516 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00281/0.643, allocations: 243.1 kB / 0.6937 GB, free: 6.277 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002158/0.6432, allocations: 51.95 kB / 0.6938 GB, free: 6.227 MB / 0.5294 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 7 (N.count,$PRE.N.count,N.T_start,$PRE.N.T_start,heaPum.com.isOn,$PRE.heaPum.com.isOn,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (98): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 1 * 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 {(2,17)} Notification: Performance of prepare postOptimizeDAE: time 0.0005017/0.6437, allocations: 251.9 kB / 0.694 GB, free: 5.973 MB / 0.5294 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005928/0.6443, allocations: 146.2 kB / 0.6941 GB, free: 5.828 MB / 0.5294 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004537/0.6489, allocations: 1.229 MB / 0.6953 GB, free: 4.586 MB / 0.5294 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.095e-05/0.6489, allocations: 8 kB / 0.6953 GB, free: 4.578 MB / 0.5294 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.154e-05/0.6489, allocations: 3.938 kB / 0.6954 GB, free: 4.574 MB / 0.5294 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003414/0.6524, allocations: 1.026 MB / 0.6964 GB, free: 3.516 MB / 0.5294 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008321/0.6607, allocations: 3.267 MB / 0.6995 GB, free: 120 kB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.527e-05/0.6608, allocations: 11.94 kB / 0.6996 GB, free: 108 kB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001035/0.6618, allocations: 160.1 kB / 0.6997 GB, free: 15.95 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001262/0.6631, allocations: 353.1 kB / 0.7 GB, free: 15.61 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.228e-05/0.6632, allocations: 27.97 kB / 0.7001 GB, free: 15.58 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001158/0.6644, allocations: 0.888 MB / 0.7009 GB, free: 14.66 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.791e-06/0.6644, allocations: 4 kB / 0.7009 GB, free: 14.66 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005996/0.6704, allocations: 1.887 MB / 0.7028 GB, free: 12.7 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009702/0.6714, allocations: 359.2 kB / 0.7031 GB, free: 12.32 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004993/0.6719, allocations: 23.98 kB / 0.7031 GB, free: 12.3 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002126/0.6741, allocations: 143.7 kB / 0.7033 GB, free: 12.16 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001822/0.6743, allocations: 68.23 kB / 0.7034 GB, free: 12.09 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001336/0.6744, allocations: 43.95 kB / 0.7034 GB, free: 12.05 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.002218/0.6767, allocations: 0.994 MB / 0.7044 GB, free: 11.06 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.6e-07/0.6767, allocations: 0 / 0.7044 GB, free: 11.06 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.003501/0.6802, allocations: 0.9007 MB / 0.7052 GB, free: 10.16 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U) * Number of discrete variables: 4 ($whenCondition1,heaPum.com.isOn,N.T_start,N.count) * Number of discrete states: 2 (N.count,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (51): * Single equations (assignments): 46 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * 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 {(2,17)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001668/0.6819, allocations: 0.5392 MB / 0.7058 GB, free: 9.617 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.007098/0.689, allocations: 1.937 MB / 0.7077 GB, free: 7.656 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 1.176e-05/0.6891, allocations: 0.5625 kB / 0.7077 GB, free: 7.656 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.002042/0.6911, allocations: 0.5364 MB / 0.7082 GB, free: 7.121 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004729/0.6959, allocations: 0.7849 MB / 0.709 GB, free: 6.355 MB / 0.545 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007119/0.703, allocations: 3.253 MB / 0.7121 GB, free: 3.016 MB / 0.545 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001098/0.7041, allocations: 1.207 MB / 0.7133 GB, free: 1.777 MB / 0.545 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007136/0.7049, allocations: 155.3 kB / 0.7135 GB, free: 1.625 MB / 0.545 GB Notification: Performance of SimCode: time 1.182e-06/0.7049, allocations: 0 / 0.7135 GB, free: 1.625 MB / 0.545 GB Notification: Performance of Templates: time 0.3191/1.024, allocations: 36.69 MB / 0.7493 GB, free: 162.1 MB / 0.5762 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.makefile (rm -f IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.sim & ./IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe 2>&1)