Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.1+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.1+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.1+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Using package ModelicaServices with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.1+maint.om/package.mo) Using package Modelica with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.1+maint.om/package.mo) Using package Complex with version 3.2.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.1+maint.om/package.mo) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo) Running command: translateModel(Buildings.Fluid.Examples.Performance.Example6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6") translateModel(Buildings.Fluid.Examples.Performance.Example6,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/package.mo): time 0.7076/0.7076, allocations: 132.3 MB / 144.9 MB, free: 10.69 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.1+maint.om/package.mo): time 0.001125/0.001125, allocations: 172.5 kB / 176.9 MB, free: 2.168 MB / 138.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.1+maint.om/package.mo): time 1.374/1.374, allocations: 170.5 MB / 379.3 MB, free: 11.91 MB / 282.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.1+maint.om/package.mo): time 0.001722/0.001722, allocations: 112.5 kB / 450 MB, free: 5.832 MB / 346.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:
SCode: time 0.407/0.4071, allocations: 73.4 MB / 0.6736 GB, free: 47.6 MB / 458.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1286/0.5357, allocations: 100.8 MB / 0.7721 GB, free: 15.86 MB / 490.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0001882/0.5359, allocations: 71.89 kB / 0.7721 GB, free: 15.79 MB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 0.1471/0.6831, allocations: 44.82 MB / 0.8159 GB, free: 2.953 MB / 0.5105 GB Notification: Performance of FrontEnd: time 1.723e-06/0.6831, allocations: 0 / 0.8159 GB, free: 2.953 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0001208/0.6832, allocations: 76 kB / 0.816 GB, free: 2.879 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1001 * Number of variables: 1001 Notification: Performance of Generate backend data structure: time 0.01754/0.7008, allocations: 6.08 MB / 0.8219 GB, free: 12.75 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 5.012e-05/0.7009, allocations: 8.031 kB / 0.8219 GB, free: 12.74 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002124/0.703, allocations: 376.2 kB / 0.8223 GB, free: 12.37 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004485/0.7075, allocations: 1.282 MB / 0.8235 GB, free: 11.04 MB / 0.5261 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004547/0.708, allocations: 415.8 kB / 0.8239 GB, free: 10.64 MB / 0.5261 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002564/0.7106, allocations: 0.7872 MB / 0.8247 GB, free: 9.848 MB / 0.5261 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01385/0.7244, allocations: 4.859 MB / 0.8294 GB, free: 4.977 MB / 0.5261 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002751/0.7247, allocations: 0 / 0.8294 GB, free: 4.977 MB / 0.5261 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001432/0.7262, allocations: 161.2 kB / 0.8296 GB, free: 4.824 MB / 0.5261 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.797e-05/0.7263, allocations: 99.94 kB / 0.8297 GB, free: 4.727 MB / 0.5261 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009792/0.7361, allocations: 4.294 MB / 0.8339 GB, free: 440 kB / 0.5261 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02858/0.7647, allocations: 10.23 MB / 0.8439 GB, free: 6.148 MB / 0.5417 GB Notification: Performance of preOpt comSubExp (simulation): time 0.09177/0.8565, allocations: 31.22 MB / 0.8744 GB, free: 6.91 MB / 0.573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.008238/0.8648, allocations: 3.823 MB / 0.8781 GB, free: 3.082 MB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009555/0.8658, allocations: 99.83 kB / 0.8782 GB, free: 2.984 MB / 0.573 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001233/0.8659, allocations: 130.4 kB / 0.8783 GB, free: 2.848 MB / 0.573 GB Notification: Performance of pre-optimization done (n=1000): time 1.381e-05/0.8659, allocations: 0 / 0.8783 GB, free: 2.848 MB / 0.573 GB Notification: Performance of matching and sorting (n=1000): time 0.3/1.166, allocations: 8.18 MB / 0.8863 GB, free: 139.8 MB / 0.573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.613e-05/1.166, allocations: 154.3 kB / 0.8864 GB, free: 139.8 MB / 0.573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002367/1.166, allocations: 251.7 kB / 0.8867 GB, free: 139.6 MB / 0.573 GB Notification: Performance of collectPreVariables (initialization): time 0.0005613/1.167, allocations: 260.4 kB / 0.8869 GB, free: 139.4 MB / 0.573 GB Notification: Performance of collectInitialEqns (initialization): time 0.000112/1.167, allocations: 198.5 kB / 0.8871 GB, free: 139.2 MB / 0.573 GB Notification: Performance of collectInitialBindings (initialization): time 0.00213/1.169, allocations: 3.806 MB / 0.8908 GB, free: 136.4 MB / 0.573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003976/1.17, allocations: 235.6 kB / 0.8911 GB, free: 136.2 MB / 0.573 GB Notification: Performance of setup shared object (initialization): time 0.0005173/1.17, allocations: 0.7873 MB / 0.8918 GB, free: 135.7 MB / 0.573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006884/1.177, allocations: 3.983 MB / 0.8957 GB, free: 134.7 MB / 0.573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.009036/1.186, allocations: 4.757 MB / 0.9004 GB, free: 133.3 MB / 0.573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.009466/1.196, allocations: 4.823 MB / 0.9051 GB, free: 132.1 MB / 0.573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.633e-05/1.196, allocations: 0 / 0.9051 GB, free: 132.1 MB / 0.573 GB Notification: Performance of matching and sorting (n=1501) (initialization): time 0.02076/1.216, allocations: 10.72 MB / 0.9155 GB, free: 129.2 MB / 0.573 GB Notification: Performance of prepare postOptimizeDAE: time 4.861e-05/1.216, allocations: 11.75 kB / 0.9156 GB, free: 129.2 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.665e-05/1.217, allocations: 1.688 kB / 0.9156 GB, free: 129.2 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.672e-05/1.217, allocations: 48.84 kB / 0.9156 GB, free: 129.2 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01046/1.227, allocations: 2.707 MB / 0.9182 GB, free: 128.9 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002116/1.227, allocations: 45.78 kB / 0.9183 GB, free: 128.9 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004848/1.232, allocations: 1.244 MB / 0.9195 GB, free: 128.1 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001414/1.234, allocations: 336.8 kB / 0.9198 GB, free: 128 MB / 0.573 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1501): * Single equations (assignments): 1501 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.00161/1.235, allocations: 0.6181 MB / 0.9204 GB, free: 127.5 MB / 0.573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007749/1.236, allocations: 314.7 kB / 0.9207 GB, free: 127.3 MB / 0.573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01707/1.253, allocations: 9.34 MB / 0.9299 GB, free: 124.4 MB / 0.573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.32e-05/1.253, allocations: 94.66 kB / 0.9299 GB, free: 124.4 MB / 0.573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.074e-05/1.253, allocations: 0 / 0.9299 GB, free: 124.4 MB / 0.573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001232/1.253, allocations: 52.47 kB / 0.93 GB, free: 124.4 MB / 0.573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006866/1.26, allocations: 4.448 MB / 0.9343 GB, free: 122.9 MB / 0.573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.074e-05/1.26, allocations: 3.906 kB / 0.9343 GB, free: 122.9 MB / 0.573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01177/1.272, allocations: 2.135 MB / 0.9364 GB, free: 122.6 MB / 0.573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001532/1.272, allocations: 32.42 kB / 0.9365 GB, free: 122.6 MB / 0.573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002135/1.274, allocations: 394.6 kB / 0.9368 GB, free: 122.5 MB / 0.573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 8.618e-05/1.275, allocations: 34.11 kB / 0.9369 GB, free: 122.5 MB / 0.573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.454e-06/1.275, allocations: 0 / 0.9369 GB, free: 122.5 MB / 0.573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02172/1.296, allocations: 13.46 MB / 0.95 GB, free: 118.6 MB / 0.573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003232/1.297, allocations: 0.4906 MB / 0.9505 GB, free: 118.2 MB / 0.573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009181/1.298, allocations: 352.4 kB / 0.9508 GB, free: 118.1 MB / 0.573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003391/1.301, allocations: 0.6383 MB / 0.9515 GB, free: 117.9 MB / 0.573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007362/1.302, allocations: 0.5457 MB / 0.952 GB, free: 117.8 MB / 0.573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004206/1.302, allocations: 258.1 kB / 0.9522 GB, free: 117.7 MB / 0.573 GB Notification: Performance of sorting global known variables: time 4.797e-05/1.302, allocations: 83.09 kB / 0.9523 GB, free: 117.6 MB / 0.573 GB Notification: Performance of sort global known variables: time 1.4e-07/1.302, allocations: 0 / 0.9523 GB, free: 117.6 MB / 0.573 GB Notification: Performance of remove unused functions: time 0.002645/1.305, allocations: 1.407 MB / 0.9537 GB, free: 117.3 MB / 0.573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 500 (T[1],T[2],T[3],T[4],T[5],T[6],T[7],T[8],T[9],T[10],T[11],T[12],T[13],T[14],T[15],T[16],T[17],T[18],T[19],T[20],T[21],T[22],T[23],T[24],T[25],T[26],T[27],T[28],T[29],T[30],T[31],T[32],T[33],T[34],T[35],T[36],T[37],T[38],T[39],T[40],T[41],T[42],T[43],T[44],T[45],T[46],T[47],T[48],T[49],T[50],T[51],T[52],T[53],T[54],T[55],T[56],T[57],T[58],T[59],T[60],T[61],T[62],T[63],T[64],T[65],T[66],T[67],T[68],T[69],T[70],T[71],T[72],T[73],T[74],T[75],T[76],T[77],T[78],T[79],T[80],T[81],T[82],T[83],T[84],T[85],T[86],T[87],T[88],T[89],T[90],T[91],T[92],T[93],T[94],T[95],T[96],T[97],T[98],T[99],T[100],T[101],T[102],T[103],T[104],T[105],T[106],T[107],T[108],T[109],T[110],T[111],T[112],T[113],T[114],T[115],T[116],T[117],T[118],T[119],T[120],T[121],T[122],T[123],T[124],T[125],T[126],T[127],T[128],T[129],T[130],T[131],T[132],T[133],T[134],T[135],T[136],T[137],T[138],T[139],T[140],T[141],T[142],T[143],T[144],T[145],T[146],T[147],T[148],T[149],T[150],T[151],T[152],T[153],T[154],T[155],T[156],T[157],T[158],T[159],T[160],T[161],T[162],T[163],T[164],T[165],T[166],T[167],T[168],T[169],T[170],T[171],T[172],T[173],T[174],T[175],T[176],T[177],T[178],T[179],T[180],T[181],T[182],T[183],T[184],T[185],T[186],T[187],T[188],T[189],T[190],T[191],T[192],T[193],T[194],T[195],T[196],T[197],T[198],T[199],T[200],T[201],T[202],T[203],T[204],T[205],T[206],T[207],T[208],T[209],T[210],T[211],T[212],T[213],T[214],T[215],T[216],T[217],T[218],T[219],T[220],T[221],T[222],T[223],T[224],T[225],T[226],T[227],T[228],T[229],T[230],T[231],T[232],T[233],T[234],T[235],T[236],T[237],T[238],T[239],T[240],T[241],T[242],T[243],T[244],T[245],T[246],T[247],T[248],T[249],T[250],T[251],T[252],T[253],T[254],T[255],T[256],T[257],T[258],T[259],T[260],T[261],T[262],T[263],T[264],T[265],T[266],T[267],T[268],T[269],T[270],T[271],T[272],T[273],T[274],T[275],T[276],T[277],T[278],T[279],T[280],T[281],T[282],T[283],T[284],T[285],T[286],T[287],T[288],T[289],T[290],T[291],T[292],T[293],T[294],T[295],T[296],T[297],T[298],T[299],T[300],T[301],T[302],T[303],T[304],T[305],T[306],T[307],T[308],T[309],T[310],T[311],T[312],T[313],T[314],T[315],T[316],T[317],T[318],T[319],T[320],T[321],T[322],T[323],T[324],T[325],T[326],T[327],T[328],T[329],T[330],T[331],T[332],T[333],T[334],T[335],T[336],T[337],T[338],T[339],T[340],T[341],T[342],T[343],T[344],T[345],T[346],T[347],T[348],T[349],T[350],T[351],T[352],T[353],T[354],T[355],T[356],T[357],T[358],T[359],T[360],T[361],T[362],T[363],T[364],T[365],T[366],T[367],T[368],T[369],T[370],T[371],T[372],T[373],T[374],T[375],T[376],T[377],T[378],T[379],T[380],T[381],T[382],T[383],T[384],T[385],T[386],T[387],T[388],T[389],T[390],T[391],T[392],T[393],T[394],T[395],T[396],T[397],T[398],T[399],T[400],T[401],T[402],T[403],T[404],T[405],T[406],T[407],T[408],T[409],T[410],T[411],T[412],T[413],T[414],T[415],T[416],T[417],T[418],T[419],T[420],T[421],T[422],T[423],T[424],T[425],T[426],T[427],T[428],T[429],T[430],T[431],T[432],T[433],T[434],T[435],T[436],T[437],T[438],T[439],T[440],T[441],T[442],T[443],T[444],T[445],T[446],T[447],T[448],T[449],T[450],T[451],T[452],T[453],T[454],T[455],T[456],T[457],T[458],T[459],T[460],T[461],T[462],T[463],T[464],T[465],T[466],T[467],T[468],T[469],T[470],T[471],T[472],T[473],T[474],T[475],T[476],T[477],T[478],T[479],T[480],T[481],T[482],T[483],T[484],T[485],T[486],T[487],T[488],T[489],T[490],T[491],T[492],T[493],T[494],T[495],T[496],T[497],T[498],T[499],T[500]) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (1001): * Single equations (assignments): 1001 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0008296/1.306, allocations: 0.6323 MB / 0.9543 GB, free: 116.9 MB / 0.573 GB Notification: Performance of simCode: created initialization part: time 0.01411/1.32, allocations: 9.514 MB / 0.9636 GB, free: 111.2 MB / 0.573 GB Notification: Performance of simCode: created event and clocks part: time 6.502e-06/1.32, allocations: 0 / 0.9636 GB, free: 111.2 MB / 0.573 GB Notification: Performance of simCode: created simulation system equations: time 0.007952/1.328, allocations: 4.702 MB / 0.9682 GB, free: 107 MB / 0.573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001576/1.329, allocations: 160 kB / 0.9683 GB, free: 106.8 MB / 0.573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01646/1.346, allocations: 17.19 MB / 0.9851 GB, free: 92.5 MB / 0.573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001505/1.347, allocations: 2.629 MB / 0.9877 GB, free: 90.46 MB / 0.573 GB Notification: Performance of simCode: alias equations: time 0.007374/1.355, allocations: 3.656 MB / 0.9913 GB, free: 87.9 MB / 0.573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001546/1.356, allocations: 383.4 kB / 0.9916 GB, free: 87.53 MB / 0.573 GB Notification: Performance of SimCode: time 1.072e-06/1.356, allocations: 0 / 0.9916 GB, free: 87.53 MB / 0.573 GB Notification: Performance of Templates: time 0.05895/1.415, allocations: 41.57 MB / 1.032 GB, free: 52.14 MB / 0.573 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.sim & ./Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6 -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Examples.Performance.Example6.pipe 2>&1)