Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.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/BuildSysPro 3.6.0/package.mo", uses=false)
Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder")
translateModel(BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001731/0.001731, allocations: 106.2 kB / 16.41 MB, free: 6.465 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001738/0.001738, allocations: 189.7 kB / 17.34 MB, free: 5.715 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.51/1.51, allocations: 222.9 MB / 241 MB, free: 15.1 MB / 206.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.9156/0.9156, allocations: 143.1 MB / 434.3 MB, free: 11.98 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001918/0.001918, allocations: 66.27 kB / 0.5962 GB, free: 12.4 MB / 446.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.161/0.1629, allocations: 82.02 MB / 0.6763 GB, free: 10.48 MB / 0.5137 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder): time 0.004635/0.1675, allocations: 2.612 MB / 0.6788 GB, free: 7.844 MB / 0.5137 GB
Notification: Performance of NFInst.instExpressions: time 0.001902/0.1694, allocations: 0.9079 MB / 0.6797 GB, free: 6.93 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0002138/0.1697, allocations: 11.94 kB / 0.6797 GB, free: 6.918 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.0002398/0.1699, allocations: 63.33 kB / 0.6798 GB, free: 6.855 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.0001647/0.1701, allocations: 71.39 kB / 0.6799 GB, free: 6.785 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0005368/0.1706, allocations: 234.8 kB / 0.6801 GB, free: 6.559 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.0005086/0.1711, allocations: 455.6 kB / 0.6805 GB, free: 6.113 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0002809/0.1714, allocations: 153.2 kB / 0.6807 GB, free: 5.961 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0001686/0.1716, allocations: 139.4 kB / 0.6808 GB, free: 5.824 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0001749/0.1717, allocations: 151.2 kB / 0.6809 GB, free: 5.676 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 6.664e-05/0.1718, allocations: 48 kB / 0.681 GB, free: 5.629 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 5.463e-05/0.1718, allocations: 52 kB / 0.681 GB, free: 5.578 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 8.682e-05/0.1719, allocations: 95.69 kB / 0.6811 GB, free: 5.484 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.000161/0.1721, allocations: 183 kB / 0.6813 GB, free: 5.305 MB / 0.5137 GB
Notification: Performance of NFConvertDAE.convert: time 0.0006757/0.1728, allocations: 0.6576 MB / 0.6819 GB, free: 4.645 MB / 0.5137 GB
Notification: Performance of FrontEnd - DAE generated: time 4.529e-06/0.1728, allocations: 0 / 0.6819 GB, free: 4.645 MB / 0.5137 GB
Notification: Performance of FrontEnd: time 1.753e-06/0.1728, allocations: 0 / 0.6819 GB, free: 4.645 MB / 0.5137 GB
Notification: Performance of Transformations before backend: time 9.128e-06/0.1728, allocations: 4 kB / 0.682 GB, free: 4.641 MB / 0.5137 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 66
 * Number of variables: 66
Notification: Performance of Generate backend data structure: time 0.0009988/0.1738, allocations: 0.656 MB / 0.6826 GB, free: 3.938 MB / 0.5137 GB
Notification: Performance of prepare preOptimizeDAE: time 3.765e-05/0.1738, allocations: 8.031 kB / 0.6826 GB, free: 3.93 MB / 0.5137 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 9.472e-05/0.1739, allocations: 48.59 kB / 0.6826 GB, free: 3.883 MB / 0.5137 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005467/0.1745, allocations: 391.5 kB / 0.683 GB, free: 3.465 MB / 0.5137 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.262e-05/0.1745, allocations: 20.94 kB / 0.683 GB, free: 3.441 MB / 0.5137 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.599e-05/0.1746, allocations: 28.38 kB / 0.6831 GB, free: 3.414 MB / 0.5137 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000627/0.1752, allocations: 329.7 kB / 0.6834 GB, free: 3.074 MB / 0.5137 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.38e-05/0.1752, allocations: 3.984 kB / 0.6834 GB, free: 3.07 MB / 0.5137 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.23e-05/0.1752, allocations: 12 kB / 0.6834 GB, free: 3.059 MB / 0.5137 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.206e-06/0.1752, allocations: 4 kB / 0.6834 GB, free: 3.055 MB / 0.5137 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004899/0.1757, allocations: 234.1 kB / 0.6836 GB, free: 2.828 MB / 0.5137 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001597/0.1773, allocations: 1.163 MB / 0.6848 GB, free: 1.602 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0004935/0.1778, allocations: 222.8 kB / 0.685 GB, free: 1.375 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002036/0.178, allocations: 92.83 kB / 0.6851 GB, free: 1.281 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.488e-05/0.178, allocations: 0 / 0.6851 GB, free: 1.281 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.078e-05/0.1781, allocations: 42.5 kB / 0.6851 GB, free: 1.23 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=16): time 1.052e-06/0.1781, allocations: 0 / 0.6851 GB, free: 1.23 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=16): time 0.0006992/0.1788, allocations: 298.9 kB / 0.6854 GB, free: 0.9336 MB / 0.5137 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.143e-05/0.1788, allocations: 85.03 kB / 0.6855 GB, free: 0.832 MB / 0.5137 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003775/0.1792, allocations: 332.5 kB / 0.6858 GB, free: 0.4961 MB / 0.5137 GB
Notification: Performance of collectPreVariables (initialization): time 2.979e-05/0.1793, allocations: 33.7 kB / 0.6858 GB, free: 468 kB / 0.5137 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001586/0.1794, allocations: 192.3 kB / 0.686 GB, free: 272 kB / 0.5137 GB
Notification: Performance of collectInitialBindings (initialization): time 5.204e-05/0.1795, allocations: 51.53 kB / 0.686 GB, free: 220 kB / 0.5137 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 9.145e-05/0.1796, allocations: 53.66 kB / 0.6861 GB, free: 160 kB / 0.5137 GB
Notification: Performance of setup shared object (initialization): time 0.0001769/0.1797, allocations: 342.8 kB / 0.6864 GB, free: 15.81 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001983/0.1799, allocations: 84.83 kB / 0.6865 GB, free: 15.73 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000214/0.1801, allocations: 123.3 kB / 0.6866 GB, free: 15.59 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003731/0.1805, allocations: 184.1 kB / 0.6868 GB, free: 15.41 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.963e-06/0.1805, allocations: 0 / 0.6868 GB, free: 15.41 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=20) (initialization): time 0.0004905/0.181, allocations: 256.4 kB / 0.687 GB, free: 15.15 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 1.623e-05/0.181, allocations: 8.062 kB / 0.6871 GB, free: 15.14 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.981e-06/0.181, allocations: 0 / 0.6871 GB, free: 15.14 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.865e-05/0.1811, allocations: 4 kB / 0.6871 GB, free: 15.14 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001851/0.1812, allocations: 35.92 kB / 0.6871 GB, free: 15.11 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.452e-06/0.1812, allocations: 0 / 0.6871 GB, free: 15.11 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001352/0.1814, allocations: 31.77 kB / 0.6871 GB, free: 15.07 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.968e-05/0.1814, allocations: 12 kB / 0.6871 GB, free: 15.06 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002596/0.1817, allocations: 192.8 kB / 0.6873 GB, free: 14.87 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001704/0.1818, allocations: 117 kB / 0.6874 GB, free: 14.75 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002806/0.1821, allocations: 162.4 kB / 0.6876 GB, free: 14.58 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.02e-07/0.1821, allocations: 0 / 0.6876 GB, free: 14.58 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=20) (initialization_lambda0): time 0.0003821/0.1825, allocations: 231.2 kB / 0.6878 GB, free: 14.35 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 9.618e-06/0.1825, allocations: 12.09 kB / 0.6878 GB, free: 14.34 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.793e-06/0.1825, allocations: 0 / 0.6878 GB, free: 14.34 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.295e-06/0.1825, allocations: 0 / 0.6878 GB, free: 14.34 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000128/0.1826, allocations: 35.92 kB / 0.6879 GB, free: 14.3 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.344e-06/0.1826, allocations: 0 / 0.6879 GB, free: 14.3 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001095/0.1827, allocations: 11.95 kB / 0.6879 GB, free: 14.29 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.578e-05/0.1828, allocations: 11.94 kB / 0.6879 GB, free: 14.28 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 3 (expMod.oveWriAct_activate,expMod.oveWriSet_activate,expMod.mod.conPI.I.local_reset)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (20):
 * Single equations (assignments): 20
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 0.0001407/0.1829, allocations: 184.3 kB / 0.688 GB, free: 14.09 MB / 0.5294 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.984e-05/0.183, allocations: 31.77 kB / 0.6881 GB, free: 14.06 MB / 0.5294 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.262e-05/0.183, allocations: 43.27 kB / 0.6881 GB, free: 14.01 MB / 0.5294 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.191e-06/0.1831, allocations: 4 kB / 0.6881 GB, free: 14.01 MB / 0.5294 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.914e-06/0.1831, allocations: 3.984 kB / 0.6881 GB, free: 14 MB / 0.5294 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.31e-06/0.1831, allocations: 7.875 kB / 0.6881 GB, free: 14 MB / 0.5294 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000464/0.1835, allocations: 409.3 kB / 0.6885 GB, free: 13.55 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.272e-06/0.1835, allocations: 0 / 0.6885 GB, free: 13.55 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000164/0.1837, allocations: 23.98 kB / 0.6885 GB, free: 13.52 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.034e-06/0.1837, allocations: 0 / 0.6885 GB, free: 13.52 MB / 0.5294 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.061e-05/0.1837, allocations: 8 kB / 0.6886 GB, free: 13.52 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.322e-06/0.1837, allocations: 0 / 0.6886 GB, free: 13.52 MB / 0.5294 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.232e-06/0.1837, allocations: 4 kB / 0.6886 GB, free: 13.51 MB / 0.5294 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0007224/0.1844, allocations: 446.4 kB / 0.689 GB, free: 13.06 MB / 0.5294 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000132/0.1846, allocations: 128.9 kB / 0.6891 GB, free: 12.92 MB / 0.5294 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.618e-05/0.1846, allocations: 0 / 0.6891 GB, free: 12.92 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001437/0.1848, allocations: 12.05 kB / 0.6891 GB, free: 12.91 MB / 0.5294 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.239e-05/0.1848, allocations: 19.92 kB / 0.6891 GB, free: 12.89 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.122e-05/0.1848, allocations: 4 kB / 0.6891 GB, free: 12.88 MB / 0.5294 GB
Notification: Performance of sorting global known variables: time 0.0002478/0.1851, allocations: 231.1 kB / 0.6894 GB, free: 12.66 MB / 0.5294 GB
Notification: Performance of sort global known variables: time 9e-08/0.1851, allocations: 4 kB / 0.6894 GB, free: 12.66 MB / 0.5294 GB
Notification: Performance of remove unused functions: time 0.0003996/0.1855, allocations: 95.67 kB / 0.6895 GB, free: 12.56 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 2 (expMod.mod.conPI.I.y,expMod.mod.firOrd.y)
 * Number of discrete variables: 2 (expMod.oveWriSet_activate,expMod.oveWriAct_activate)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (16):
 * Single equations (assignments): 16
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.0001299/0.1856, allocations: 99.25 kB / 0.6896 GB, free: 12.46 MB / 0.5294 GB
Notification: Performance of simCode: created initialization part: time 0.0006265/0.1862, allocations: 271.8 kB / 0.6898 GB, free: 12.19 MB / 0.5294 GB
Notification: Performance of simCode: created event and clocks part: time 1.964e-06/0.1862, allocations: 0 / 0.6898 GB, free: 12.19 MB / 0.5294 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001904/0.1864, allocations: 91.91 kB / 0.6899 GB, free: 12.1 MB / 0.5294 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005617/0.187, allocations: 90.62 kB / 0.69 GB, free: 12.02 MB / 0.5294 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001145/0.1881, allocations: 0.6024 MB / 0.6906 GB, free: 11.38 MB / 0.5294 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004187/0.1885, allocations: 0.779 MB / 0.6913 GB, free: 10.57 MB / 0.5294 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 7.948e-05/0.1886, allocations: 19.44 kB / 0.6914 GB, free: 10.55 MB / 0.5294 GB
Notification: Performance of SimCode: time 8.11e-07/0.1886, allocations: 4 kB / 0.6914 GB, free: 10.55 MB / 0.5294 GB
Notification: Performance of Templates: time 0.006765/0.1954, allocations: 4.006 MB / 0.6953 GB, free: 6.559 MB / 0.5294 GB
make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.makefile
(rm -f BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.sim & ./BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Utilities.IO.SignalExchange.Examples.FirstOrder.pipe 2>&1)