Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.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.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") translateModel(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5,tolerance=1e-06,outputFormat="empty",numberOfIntervals=172800,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001317/0.001317, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001568/0.001568, allocations: 195.5 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.38/1.38, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 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 1.006/1.006, allocations: 143 MB / 433.4 MB, free: 11.49 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001327/0.001327, allocations: 63.89 kB / 0.5142 GB, free: 11.66 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1907/0.192, allocations: 82.04 MB / 0.5943 GB, free: 9.582 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5): time 0.5802/0.7723, allocations: 157.2 MB / 0.7478 GB, free: 15.19 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.02902/0.8013, allocations: 22.01 MB / 0.7693 GB, free: 10 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002154/0.8035, allocations: 59.62 kB / 0.7694 GB, free: 9.941 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.002587/0.8062, allocations: 2.155 MB / 0.7715 GB, free: 7.781 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.002596/0.8088, allocations: 1.425 MB / 0.7729 GB, free: 6.352 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.001747/0.8105, allocations: 0.5865 MB / 0.7735 GB, free: 5.77 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.002255/0.8128, allocations: 1.817 MB / 0.7752 GB, free: 3.949 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001661/0.8145, allocations: 1.086 MB / 0.7763 GB, free: 2.875 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00155/0.816, allocations: 0.8802 MB / 0.7772 GB, free: 1.992 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002013/0.8181, allocations: 1.54 MB / 0.7787 GB, free: 460 kB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0002447/0.8183, allocations: 92 kB / 0.7787 GB, free: 368 kB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0003832/0.8187, allocations: 132 kB / 0.7789 GB, free: 236 kB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0005055/0.8192, allocations: 0.5199 MB / 0.7794 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0006925/0.8199, allocations: 0.7719 MB / 0.7801 GB, free: 14.93 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.001848/0.8218, allocations: 1.856 MB / 0.7819 GB, free: 13.07 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/0.8218, allocations: 0 / 0.7819 GB, free: 13.07 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.653e-06/0.8218, allocations: 4 kB / 0.7819 GB, free: 13.07 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 3.813e-05/0.8219, allocations: 0 / 0.7819 GB, free: 13.07 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 153 * Number of variables: 153 Notification: Performance of Generate backend data structure: time 0.003515/0.8254, allocations: 2.277 MB / 0.7842 GB, free: 10.73 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.376e-05/0.8254, allocations: 12.03 kB / 0.7842 GB, free: 10.72 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002717/0.8257, allocations: 238 kB / 0.7844 GB, free: 10.48 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001209/0.8269, allocations: 0.9994 MB / 0.7854 GB, free: 9.418 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001802/0.8271, allocations: 83 kB / 0.7855 GB, free: 9.332 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001167/0.8272, allocations: 67.98 kB / 0.7855 GB, free: 9.266 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001267/0.8285, allocations: 0.7251 MB / 0.7862 GB, free: 8.527 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.235e-05/0.8286, allocations: 8 kB / 0.7862 GB, free: 8.52 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.156e-05/0.8286, allocations: 28 kB / 0.7863 GB, free: 8.492 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.226e-05/0.8286, allocations: 12 kB / 0.7863 GB, free: 8.48 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001152/0.8298, allocations: 0.5945 MB / 0.7869 GB, free: 7.887 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.00502/0.8348, allocations: 3.521 MB / 0.7903 GB, free: 4.098 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001572/0.8364, allocations: 0.7105 MB / 0.791 GB, free: 3.383 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008297/0.8373, allocations: 407.5 kB / 0.7914 GB, free: 2.984 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 4.976e-05/0.8373, allocations: 16.53 kB / 0.7914 GB, free: 2.969 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007742/0.8381, allocations: 434.8 kB / 0.7918 GB, free: 2.535 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=70): time 3.115e-06/0.8381, allocations: 4 kB / 0.7918 GB, free: 2.531 MB / 0.6075 GB Notification: Performance of matching and sorting (n=70): time 0.004384/0.8425, allocations: 1.788 MB / 0.7936 GB, free: 0.6875 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.74e-05/0.8426, allocations: 67.89 kB / 0.7936 GB, free: 0.6094 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003498/0.8461, allocations: 3.308 MB / 0.7969 GB, free: 13.27 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 8.223e-05/0.8462, allocations: 41.7 kB / 0.7969 GB, free: 13.23 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007752/0.847, allocations: 0.886 MB / 0.7978 GB, free: 12.33 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002958/0.8473, allocations: 228.8 kB / 0.798 GB, free: 12.11 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002826/0.8476, allocations: 134.7 kB / 0.7981 GB, free: 11.96 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0002093/0.8478, allocations: 334 kB / 0.7984 GB, free: 11.63 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007118/0.8485, allocations: 309.7 kB / 0.7987 GB, free: 11.33 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007237/0.8493, allocations: 434.4 kB / 0.7991 GB, free: 10.87 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001252/0.8505, allocations: 0.7269 MB / 0.7998 GB, free: 10.1 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.117e-06/0.8506, allocations: 0 / 0.7998 GB, free: 10.1 MB / 0.6231 GB Notification: Performance of matching and sorting (n=95) (initialization): time 0.00248/0.853, allocations: 1.218 MB / 0.801 GB, free: 8.871 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.528e-05/0.8531, allocations: 7.938 kB / 0.801 GB, free: 8.863 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.2e-05/0.8531, allocations: 4 kB / 0.801 GB, free: 8.859 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007709/0.8539, allocations: 263.3 kB / 0.8013 GB, free: 8.598 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004823/0.8544, allocations: 127.8 kB / 0.8014 GB, free: 8.473 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005277/0.8597, allocations: 4.754 MB / 0.8061 GB, free: 3.445 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008378/0.8605, allocations: 103.2 kB / 0.8062 GB, free: 3.344 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.837e-05/0.8606, allocations: 28 kB / 0.8062 GB, free: 3.316 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 14 * Number of states: 0 () * Number of discrete variables: 30 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition7,$PRE.intGai.nextTimeEvent,$whenCondition6,$PRE.reference.nextTimeEvent,$whenCondition5,$PRE.outdoorTemp.nextTimeEvent,$whenCondition4,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (73): * Single equations (assignments): 71 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0009044/0.8615, allocations: 0.6067 MB / 0.8068 GB, free: 2.699 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002536/0.8618, allocations: 201.4 kB / 0.807 GB, free: 2.5 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0003545/0.8621, allocations: 248.5 kB / 0.8072 GB, free: 2.25 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.574e-06/0.8621, allocations: 8 kB / 0.8072 GB, free: 2.242 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.106e-05/0.8622, allocations: 8 kB / 0.8072 GB, free: 2.234 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.278e-06/0.8622, allocations: 3.984 kB / 0.8072 GB, free: 2.23 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003475/0.8657, allocations: 2.335 MB / 0.8095 GB, free: 15.82 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.268e-06/0.8657, allocations: 0 / 0.8095 GB, free: 15.82 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003022/0.866, allocations: 63.89 kB / 0.8096 GB, free: 15.76 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005984/0.8666, allocations: 263.4 kB / 0.8098 GB, free: 15.5 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.704e-05/0.8667, allocations: 15.98 kB / 0.8098 GB, free: 15.48 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004604/0.8713, allocations: 4.76 MB / 0.8145 GB, free: 10.45 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.423e-06/0.8713, allocations: 3.938 kB / 0.8145 GB, free: 10.45 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002617/0.8739, allocations: 1.567 MB / 0.816 GB, free: 8.855 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004581/0.8744, allocations: 314.3 kB / 0.8163 GB, free: 8.527 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001395/0.8745, allocations: 16 kB / 0.8163 GB, free: 8.512 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004197/0.875, allocations: 43.89 kB / 0.8164 GB, free: 8.469 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001664/0.8751, allocations: 72.45 kB / 0.8164 GB, free: 8.398 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.07e-05/0.8752, allocations: 28 kB / 0.8165 GB, free: 8.371 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.002411/0.8776, allocations: 2.419 MB / 0.8188 GB, free: 5.938 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.9e-07/0.8776, allocations: 0 / 0.8188 GB, free: 5.938 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0009155/0.8785, allocations: 292.3 kB / 0.8191 GB, free: 5.652 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 19 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 11 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (48): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 10 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00122/0.8798, allocations: 0.4941 MB / 0.8196 GB, free: 5.352 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.002297/0.8821, allocations: 1.15 MB / 0.8207 GB, free: 4.176 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 2.986e-06/0.8821, allocations: 0 / 0.8207 GB, free: 4.176 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.001046/0.8832, allocations: 0.6865 MB / 0.8214 GB, free: 3.469 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001266/0.8844, allocations: 291.8 kB / 0.8217 GB, free: 3.191 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005435/0.8899, allocations: 4.041 MB / 0.8256 GB, free: 15.11 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001231/0.8911, allocations: 1.528 MB / 0.8271 GB, free: 13.56 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.0004816/0.8916, allocations: 154.3 kB / 0.8273 GB, free: 13.4 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001629/0.8918, allocations: 63.42 kB / 0.8273 GB, free: 13.34 MB / 0.6544 GB Notification: Performance of SimCode: time 1.353e-06/0.8918, allocations: 4 kB / 0.8273 GB, free: 13.34 MB / 0.6544 GB Notification: Performance of Templates: time 0.02707/0.9189, allocations: 14.4 MB / 0.8414 GB, free: 15.11 MB / 0.67 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.sim & ./BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5 -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase5.pipe 2>&1)