Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.SpeedControlled_y,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.SpeedControlled_y,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.482/1.482, allocations: 251.5 MB / 266.7 MB, free: 11.02 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001044/0.001044, allocations: 175.7 kB / 325.9 MB, free: 2.668 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.643/1.643, allocations: 205 MB / 0.576 GB, free: 20.98 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.00077/0.0007701, allocations: 87.02 kB / 0.6797 GB, free: 14.7 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003148/0.0003148, allocations: 12.44 kB / 0.7932 GB, free: 136.5 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2077/0.208, allocations: 105.4 MB / 0.8962 GB, free: 68.08 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.7375/0.9455, allocations: 321.9 MB / 1.211 GB, free: 5.105 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.03349/0.9791, allocations: 23.57 MB / 1.234 GB, free: 14.35 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004277/0.9834, allocations: 79.44 kB / 1.234 GB, free: 14.27 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.00357/0.987, allocations: 1.279 MB / 1.235 GB, free: 12.99 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.01041/0.9974, allocations: 4.015 MB / 1.239 GB, free: 8.961 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.005421/1.003, allocations: 2.07 MB / 1.241 GB, free: 6.902 MB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.01028/1.013, allocations: 7.886 MB / 1.249 GB, free: 15 MB / 0.7761 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002797/1.016, allocations: 1.835 MB / 1.25 GB, free: 13.11 MB / 0.7761 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00582/1.022, allocations: 2.685 MB / 1.253 GB, free: 10.42 MB / 0.7761 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003415/1.025, allocations: 1.844 MB / 1.255 GB, free: 8.574 MB / 0.7761 GB Notification: Performance of NFPackage.collectConstants: time 0.0002624/1.025, allocations: 96 kB / 1.255 GB, free: 8.48 MB / 0.7761 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007262/1.033, allocations: 4.154 MB / 1.259 GB, free: 4.316 MB / 0.7761 GB Notification: Performance of NFScalarize.scalarize: time 0.0009104/1.034, allocations: 0.7942 MB / 1.26 GB, free: 3.52 MB / 0.7761 GB Notification: Performance of NFVerifyModel.verify: time 0.001547/1.035, allocations: 1.228 MB / 1.261 GB, free: 2.285 MB / 0.7761 GB Notification: Performance of NFConvertDAE.convert: time 0.007484/1.043, allocations: 5.101 MB / 1.266 GB, free: 13.17 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 3.006e-06/1.043, allocations: 0 / 1.266 GB, free: 13.17 MB / 0.7917 GB Notification: Performance of FrontEnd: time 3.396e-06/1.043, allocations: 0 / 1.266 GB, free: 13.17 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 3.789e-05/1.043, allocations: 3.938 kB / 1.266 GB, free: 13.16 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 351 * Number of variables: 351 Notification: Performance of Generate backend data structure: time 0.004525/1.047, allocations: 2.656 MB / 1.268 GB, free: 10.45 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 5.167e-05/1.047, allocations: 12.03 kB / 1.268 GB, free: 10.43 MB / 0.7917 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002789/1.048, allocations: 202.8 kB / 1.269 GB, free: 10.23 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004988/1.053, allocations: 0.8748 MB / 1.27 GB, free: 9.348 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004186/1.057, allocations: 2.093 MB / 1.272 GB, free: 7.18 MB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001054/1.057, allocations: 119.1 kB / 1.272 GB, free: 7.062 MB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002105/1.057, allocations: 151.9 kB / 1.272 GB, free: 6.914 MB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003201/1.06, allocations: 1.726 MB / 1.273 GB, free: 5.133 MB / 0.7917 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.343e-05/1.06, allocations: 4 kB / 1.273 GB, free: 5.129 MB / 0.7917 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001276/1.061, allocations: 56 kB / 1.274 GB, free: 5.074 MB / 0.7917 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.701e-05/1.061, allocations: 50.67 kB / 1.274 GB, free: 5.023 MB / 0.7917 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002872/1.064, allocations: 1.365 MB / 1.275 GB, free: 3.652 MB / 0.7917 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 0.01035/1.074, allocations: 7.709 MB / 1.282 GB, free: 11.35 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002421/1.076, allocations: 0.9667 MB / 1.283 GB, free: 10.37 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001114/1.077, allocations: 0.5535 MB / 1.284 GB, free: 9.816 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002089/1.078, allocations: 117.7 kB / 1.284 GB, free: 9.684 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.4e-05/1.078, allocations: 43.16 kB / 1.284 GB, free: 9.633 MB / 0.8073 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.00086/1.079, allocations: 139 kB / 1.284 GB, free: 9.496 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=81): time 2.405e-06/1.079, allocations: 0 / 1.284 GB, free: 9.496 MB / 0.8073 GB Notification: Performance of matching and sorting (n=81): time 0.004712/1.083, allocations: 1.811 MB / 1.286 GB, free: 7.633 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.044e-05/1.083, allocations: 60.06 kB / 1.286 GB, free: 7.562 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002315/1.086, allocations: 1.851 MB / 1.288 GB, free: 5.68 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 9.689e-05/1.086, allocations: 49.7 kB / 1.288 GB, free: 5.625 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008038/1.087, allocations: 1.008 MB / 1.289 GB, free: 4.605 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002614/1.087, allocations: 283.9 kB / 1.289 GB, free: 4.324 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001443/1.087, allocations: 101.7 kB / 1.289 GB, free: 4.219 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0001377/1.087, allocations: 349.9 kB / 1.29 GB, free: 3.871 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001072/1.088, allocations: 0.5335 MB / 1.29 GB, free: 3.336 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001359/1.09, allocations: 0.9401 MB / 1.291 GB, free: 2.215 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002379/1.092, allocations: 1.433 MB / 1.292 GB, free: 0.6484 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.08e-06/1.092, allocations: 4 kB / 1.292 GB, free: 0.6445 MB / 0.8073 GB Notification: Performance of matching and sorting (n=135) (initialization): time 0.003431/1.095, allocations: 1.801 MB / 1.294 GB, free: 14.83 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002675/1.096, allocations: 386.3 kB / 1.295 GB, free: 14.32 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.622e-05/1.096, allocations: 8 kB / 1.295 GB, free: 14.31 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008748/1.097, allocations: 269.4 kB / 1.295 GB, free: 14.04 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00104/1.098, allocations: 259.5 kB / 1.295 GB, free: 13.79 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00146/1.099, allocations: 1.866 MB / 1.297 GB, free: 11.84 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001546/1.101, allocations: 135.7 kB / 1.297 GB, free: 11.71 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001137/1.101, allocations: 71.97 kB / 1.297 GB, free: 11.64 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 1.019e-05/1.101, allocations: 7.938 kB / 1.297 GB, free: 11.63 MB / 0.823 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002942/1.104, allocations: 1.458 MB / 1.299 GB, free: 10.17 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.299e-05/1.104, allocations: 15.94 kB / 1.299 GB, free: 10.15 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001074/1.105, allocations: 313.8 kB / 1.299 GB, free: 9.84 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008337/1.106, allocations: 227.6 kB / 1.299 GB, free: 9.617 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004589/1.11, allocations: 3.507 MB / 1.302 GB, free: 5.855 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001656/1.112, allocations: 131 kB / 1.303 GB, free: 5.73 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001079/1.112, allocations: 67.98 kB / 1.303 GB, free: 5.664 MB / 0.823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * 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 (120): * Single equations (assignments): 115 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,7), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.001209/1.113, allocations: 0.6106 MB / 1.303 GB, free: 5.043 MB / 0.823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002859/1.114, allocations: 197.5 kB / 1.303 GB, free: 4.848 MB / 0.823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002946/1.117, allocations: 1.336 MB / 1.305 GB, free: 3.492 MB / 0.823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.037e-06/1.117, allocations: 8 kB / 1.305 GB, free: 3.484 MB / 0.823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.334e-06/1.117, allocations: 0 / 1.305 GB, free: 3.484 MB / 0.823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00231/1.119, allocations: 1.134 MB / 1.306 GB, free: 2.312 MB / 0.823 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 postOpt removeSimpleEquations (simulation): time 0.005894/1.125, allocations: 3.084 MB / 1.309 GB, free: 15.12 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.034e-06/1.125, allocations: 4.156 kB / 1.309 GB, free: 15.11 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009443/1.126, allocations: 191.7 kB / 1.309 GB, free: 14.93 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005319/1.126, allocations: 177.5 kB / 1.309 GB, free: 14.75 MB / 0.8386 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.331e-05/1.126, allocations: 31.92 kB / 1.309 GB, free: 14.71 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001164/1.128, allocations: 1.831 MB / 1.311 GB, free: 12.81 MB / 0.8386 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.094e-06/1.128, allocations: 3.938 kB / 1.311 GB, free: 12.8 MB / 0.8386 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003701/1.131, allocations: 1.894 MB / 1.313 GB, free: 10.88 MB / 0.8386 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007208/1.132, allocations: 362.5 kB / 1.313 GB, free: 10.5 MB / 0.8386 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001969/1.132, allocations: 16 kB / 1.313 GB, free: 10.48 MB / 0.8386 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0011/1.133, allocations: 126.7 kB / 1.313 GB, free: 10.36 MB / 0.8386 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001172/1.134, allocations: 68.45 kB / 1.313 GB, free: 10.29 MB / 0.8386 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.26e-05/1.134, allocations: 40.03 kB / 1.314 GB, free: 10.25 MB / 0.8386 GB Notification: Performance of sorting global known variables: time 0.001723/1.135, allocations: 1.26 MB / 1.315 GB, free: 8.977 MB / 0.8386 GB Notification: Performance of sort global known variables: time 1.3e-07/1.135, allocations: 0 / 1.315 GB, free: 8.977 MB / 0.8386 GB Notification: Performance of remove unused functions: time 0.002663/1.138, allocations: 1.091 MB / 1.316 GB, free: 7.883 MB / 0.8386 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 3 (floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m,floMacDyn.vol.dynBal.mXi[1]) * 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 (73): * Single equations (assignments): 70 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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): 2 systems {(1,5), (2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004739/1.143, allocations: 2.744 MB / 1.318 GB, free: 5.102 MB / 0.8386 GB Notification: Performance of simCode: created initialization part: time 0.004375/1.147, allocations: 2.048 MB / 1.32 GB, free: 3.043 MB / 0.8386 GB Notification: Performance of simCode: created event and clocks part: time 3.707e-06/1.147, allocations: 0 / 1.32 GB, free: 3.043 MB / 0.8386 GB Notification: Performance of simCode: created simulation system equations: time 0.001175/1.148, allocations: 0.5205 MB / 1.321 GB, free: 2.527 MB / 0.8386 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004555/1.153, allocations: 1.052 MB / 1.322 GB, free: 1.48 MB / 0.8386 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0319/1.185, allocations: 17.49 MB / 1.339 GB, free: 14.77 MB / 0.8698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001446/1.186, allocations: 1.602 MB / 1.341 GB, free: 13.14 MB / 0.8698 GB Notification: Performance of simCode: alias equations: time 0.0022/1.189, allocations: 0.4935 MB / 1.341 GB, free: 12.64 MB / 0.8698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001057/1.19, allocations: 0.8624 MB / 1.342 GB, free: 11.78 MB / 0.8698 GB Notification: Performance of SimCode: time 5.81e-07/1.19, allocations: 0 / 1.342 GB, free: 11.78 MB / 0.8698 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1955/1.385, allocations: 58.29 MB / 1.399 GB, free: 1.91 MB / 0.9167 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003671/1.386, allocations: 291.8 kB / 1.399 GB, free: 1.523 MB / 0.9167 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.783/5.169, allocations: 3.938 kB / 1.399 GB, free: 1.52 MB / 0.9167 GB (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-08 Buildings_maint_7_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y.fmu > Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)