Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo", uses=false)
Using package ModelicaServices with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo)
Using package Modelica with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo)
Using package Complex with version trunk (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo)
Running command: "" <> buildModelFMU(Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater,fileNamePrefix="Modelica_trunk_Modelica_Fluid_Examples_AST_BatchPlant_BatchPlant_StandardWater",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater,fileNamePrefix="Modelica_trunk_Modelica_Fluid_Examples_AST_BatchPlant_BatchPlant_StandardWater",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex trunk/package.mo): time 0.001148/0.001148, allocations: 203 kB / 17.08 MB, free: 5.078 MB / 13.93 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica trunk/package.mo): time 1.371/1.371, allocations: 227.2 MB / 245 MB, free: 7.629 MB / 202.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices trunk/package.mo): time 0.001119/0.001119, allocations: 93.28 kB / 297.3 MB, free: 6.195 MB / 234.7 MB
Notification: Performance of FrontEnd - loaded program: time 0.0002425/0.0002425, allocations: 4 kB / 358 MB, free: 9.449 MB / 298.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2623/0.2625, allocations: 51.49 MB / 409.5 MB, free: 26.7 MB / 298.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 6.151/6.413, allocations: 3.094 GB / 3.494 GB, free: 64.07 MB / 458.7 MB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003092/6.414, allocations: 98.5 kB / 3.494 GB, free: 64.02 MB / 458.7 MB
Notification: Performance of FrontEnd - DAE generated: time 16.36/22.77, allocations: 4.08 GB / 7.573 GB, free: 40.85 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 3.036e-06/22.77, allocations: 0 / 7.573 GB, free: 40.85 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 0.001415/22.77, allocations: 246.9 kB / 7.574 GB, free: 40.82 MB / 0.7136 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 2389
 * Number of variables: 2389
Notification: Performance of Generate backend data structure: time 0.07325/22.85, allocations: 17.98 MB / 7.591 GB, free: 31.78 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 6.369e-05/22.85, allocations: 10.25 kB / 7.591 GB, free: 31.78 MB / 0.7136 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.009142/22.86, allocations: 1.234 MB / 7.592 GB, free: 31.68 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0282/22.89, allocations: 3.42 MB / 7.596 GB, free: 31.11 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.02726/22.91, allocations: 6.661 MB / 7.602 GB, free: 30 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.002293/22.92, allocations: 1.43 MB / 7.604 GB, free: 29.29 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.005546/22.92, allocations: 0.9286 MB / 7.605 GB, free: 29.28 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.05642/22.98, allocations: 15.49 MB / 7.62 GB, free: 27.19 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0007552/22.98, allocations: 35.19 kB / 7.62 GB, free: 27.19 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.005024/22.98, allocations: 405.7 kB / 7.62 GB, free: 27.19 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009867/22.98, allocations: 0.5416 MB / 7.621 GB, free: 27.17 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.04397/23.03, allocations: 14.09 MB / 7.634 GB, free: 27.09 MB / 0.7136 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 0.1178/23.15, allocations: 62.62 MB / 7.696 GB, free: 7.676 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.02905/23.18, allocations: 11.87 MB / 7.707 GB, free: 7.117 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.1218/23.3, allocations: 60.27 MB / 7.766 GB, free: 1.031 MB / 0.7605 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.7254/24.02, allocations: 9.561 MB / 7.775 GB, free: 85.22 MB / 0.7605 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.008226/24.03, allocations: 0.9011 MB / 7.776 GB, free: 85.22 MB / 0.7605 GB
Notification: Performance of pre-optimization done (n=925): time 6.119e-05/24.03, allocations: 1.312 kB / 7.776 GB, free: 85.22 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=999): time 0.2365/24.27, allocations: 64.59 MB / 7.839 GB, free: 71.47 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0004644/24.27, allocations: 0.6256 MB / 7.84 GB, free: 70.86 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01509/24.28, allocations: 4.794 MB / 7.845 GB, free: 70.39 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.00325/24.29, allocations: 307.4 kB / 7.845 GB, free: 70.36 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.004652/24.29, allocations: 3.792 MB / 7.849 GB, free: 69.3 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.006443/24.3, allocations: 3.138 MB / 7.852 GB, free: 67.44 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.001344/24.3, allocations: 231.5 kB / 7.852 GB, free: 67.44 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.0007147/24.3, allocations: 0.7344 MB / 7.853 GB, free: 67.12 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.01107/24.31, allocations: 4.961 MB / 7.858 GB, free: 67.09 MB / 0.7605 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01455/24.33, allocations: 7.123 MB / 7.864 GB, free: 64.89 MB / 0.7605 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01289/24.34, allocations: 5.553 MB / 7.87 GB, free: 64.76 MB / 0.7605 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.56e-05/24.34, allocations: 20.7 kB / 7.87 GB, free: 64.76 MB / 0.7605 GB
Notification: Performance of matching and sorting (n=1448) (initialization): time 0.04127/24.38, allocations: 15.28 MB / 7.885 GB, free: 63.76 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005929/24.39, allocations: 27.95 MB / 7.912 GB, free: 35.17 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0002187/24.39, allocations: 55.59 kB / 7.912 GB, free: 35.17 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.01253/24.4, allocations: 3.153 MB / 7.915 GB, free: 34.93 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01296/24.41, allocations: 2.381 MB / 7.918 GB, free: 34.93 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0219/24.43, allocations: 25.17 MB / 7.942 GB, free: 15.36 MB / 0.7605 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01387/24.45, allocations: 1.123 MB / 7.943 GB, free: 15.3 MB / 0.7605 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.003697/24.45, allocations: 0.5135 MB / 7.944 GB, free: 15.3 MB / 0.7605 GB
Notification: Performance of prepare postOptimizeDAE: time 1.613e-05/24.45, allocations: 2.75 kB / 7.944 GB, free: 15.3 MB / 0.7605 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0493/24.5, allocations: 14.37 MB / 7.958 GB, free: 14.76 MB / 0.7605 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000321/24.5, allocations: 57.84 kB / 7.958 GB, free: 14.76 MB / 0.7605 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.008919/24.51, allocations: 2.455 MB / 7.96 GB, free: 14.52 MB / 0.7605 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01352/24.52, allocations: 2.421 MB / 7.963 GB, free: 14.38 MB / 0.7605 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03866/24.56, allocations: 34.43 MB / 7.996 GB, free: 4.668 MB / 0.7761 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01543/24.58, allocations: 1.109 MB / 7.997 GB, free: 4.617 MB / 0.7761 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004629/24.58, allocations: 0.5025 MB / 7.998 GB, free: 4.617 MB / 0.7761 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 259
 * Number of states: 0 ()
 * Number of discrete variables: 414 ($PRE.controller.Transition1.enableFire,$PRE.controller.Transition2.enableFire,$PRE.controller.Transition3.enableFire,$PRE.controller.Transition4.enableFire,$PRE.controller.Transition5.enableFire,$PRE.controller.Transition6.enableFire,$PRE.controller.Transition7.enableFire,$PRE.controller.Transition8.enableFire,$PRE.controller.Transition9.enableFire,$PRE.controller.Transition10.enableFire,$PRE.controller.Transition11.enableFire,$PRE.controller.Transition12.enableFire,$PRE.controller.Transition13.enableFire,$PRE.controller.TransitionWithSignal1.enableFire,$PRE.controller.Transition13b.enableFire,$PRE.controller.Transition10b.enableFire,$PRE.controller.Transition2.t_start,controller.Transition2.t_start,$PRE.controller.Transition4.t_start,controller.Transition4.t_start,$PRE.controller.Transition5.t_start,controller.Transition5.t_start,$PRE.controller.Transition6.t_start,controller.Transition6.t_start,$PRE.controller.Transition8.t_start,controller.Transition8.t_start,$PRE.controller.Transition9.t_start,controller.Transition9.t_start,$PRE.controller.Transition10.t_start,controller.Transition10.t_start,$PRE.controller.Transition11.t_start,controller.Transition11.t_start,$PRE.controller.Transition12.t_start,controller.Transition12.t_start,$PRE.controller.Transition13.t_start,controller.Transition13.t_start,$PRE.controller.TransitionWithSignal1.t_start,controller.TransitionWithSignal1.t_start,controller.stateGraphRoot.resume,controller.stateGraphRoot.suspend,controller.actuators.V21,controller.actuators.V10,controller.actuators.V19,controller.actuators.V4,controller.actuators.V2,pipeB7Pump.flowModel.states[2].phase,pipeB7Pump.flowModel.states[1].phase,pipeB6Pump.flowModel.states[2].phase,pipeB6Pump.flowModel.states[1].phase,pipeB1B1.flowModel.states[2].phase,pipeB1B1.flowModel.states[1].phase,pipeB2B3.flowModel.states[2].phase,pipeB2B3.flowModel.states[1].phase,pipeB1B3.flowModel.states[2].phase,pipeB1B3.flowModel.states[1].phase,controller.Transition10b.condition,controller.Transition13b.condition,controller.Transition7.condition,controller.Transition3.condition,controller.Transition1.condition,$whenCondition23,$whenCondition22,$whenCondition21,$whenCondition20,$whenCondition19,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,$PRE.B5.InnerTankTop[1].m_flow_negative,B5.InnerTankTop[1].m_flow_negative,$PRE.B5.InnerTankSide[1].m_flow_negative,B5.InnerTankSide[1].m_flow_negative,$PRE.B5.InnerTankBottom[1].m_flow_negative,B5.InnerTankBottom[1].m_flow_negative,B5.heatTransfer.states[1].phase,V12.openingGenerator.endValue,V12.openingGenerator.rate,V12.openingGenerator.T,V15.openingGenerator.endValue,V15.openingGenerator.rate,V15.openingGenerator.T,$PRE.controller.InitialStep1.localActive,controller.InitialStep1.localActive,$PRE.controller.InitialStep1.newActive,controller.InitialStep1.newActive,$PRE.controller.InitialStep1.oldActive,controller.InitialStep1.oldActive,controller.InitialStep1.active,controller.Transition1.enableFire,controller.Transition1.fire,$PRE.controller.Transition1.t_start,controller.Transition1.t_start,$PRE.controller.Step1.localActive,controller.Step1.localActive,$PRE.controller.Step1.newActive,controller.Step1.newActive,$PRE.controller.Step1.oldActive,controller.Step1.oldActive,controller.Step1.active,controller.Transition2.enableFire,controller.Transition2.condition,$PRE.controller.Step2.localActive,controller.Step2.localActive,$PRE.controller.Step2.newActive,controller.Step2.newActive,$PRE.controller.Step2.oldActive,controller.Step2.oldActive,controller.Step2.active,controller.Transition3.enableFire,controller.Transition3.fire,$PRE.controller.Transition3.t_start,controller.Transition3.t_start,$PRE.controller.Step3.localActive,controller.Step3.localActive,$PRE.controller.Step3.newActive,controller.Step3.newActive,$PRE.controller.Step3.oldActive,controller.Step3.oldActive,controller.Step3.active,controller.Transition4.enableFire,controller.Transition4.condition,$PRE.controller.Step4.localActive,controller.Step4.localActive,$PRE.controller.Step4.newActive,controller.Step4.newActive,$PRE.controller.Step4.oldActive,controller.Step4.oldActive,controller.Step4.active,controller.Transition5.enableFire,$PRE.controller.Step5.localActive,controller.Step5.localActive,$PRE.controller.Step5.newActive,controller.Step5.newActive,$PRE.controller.Step5.oldActive,controller.Step5.oldActive,controller.Step5.active,controller.Transition6.enableFire,controller.Transition6.condition,$PRE.controller.Step6.localActive,controller.Step6.localActive,$PRE.controller.Step6.newActive,controller.Step6.newActive,$PRE.controller.Step6.oldActive,controller.Step6.oldActive,controller.Step6.active,controller.Transition7.enableFire,controller.Transition7.fire,$PRE.controller.Transition7.t_start,controller.Transition7.t_start,controller.Parallel1.inPort.occupied,controller.Parallel1.outPort.available,$PRE.controller.Step7.localActive,controller.Step7.localActive,$PRE.controller.Step7.newActive,controller.Step7.newActive,$PRE.controller.Step7.oldActive,controller.Step7.oldActive,controller.Step7.active,$PRE.controller.Step8.localActive,controller.Step8.localActive,$PRE.controller.Step8.newActive,controller.Step8.newActive,$PRE.controller.Step8.oldActive,controller.Step8.oldActive,controller.Step8.active,$PRE.controller.Step9.localActive,controller.Step9.localActive,$PRE.controller.Step9.newActive,controller.Step9.newActive,$PRE.controller.Step9.oldActive,controller.Step9.oldActive,controller.Step9.active,$PRE.controller.Step10.localActive,controller.Step10.localActive,$PRE.controller.Step10.newActive,controller.Step10.newActive,$PRE.controller.Step10.oldActive,controller.Step10.oldActive,controller.Step10.active,$PRE.controller.Step11.localActive,controller.Step11.localActive,$PRE.controller.Step11.newActive,controller.Step11.newActive,$PRE.controller.Step11.oldActive,controller.Step11.oldActive,controller.Step11.active,$PRE.controller.Step12.localActive,controller.Step12.localActive,$PRE.controller.Step12.newActive,controller.Step12.newActive,$PRE.controller.Step12.oldActive,controller.Step12.oldActive,controller.Step12.active,$PRE.controller.Step13b.localActive,controller.Step13b.localActive,$PRE.controller.Step13b.newActive,controller.Step13b.newActive,$PRE.controller.Step13b.oldActive,controller.Step13b.oldActive,controller.Step13b.active,$PRE.controller.Step14.localActive,controller.Step14.localActive,$PRE.controller.Step14.newActive,controller.Step14.newActive,$PRE.controller.Step14.oldActive,controller.Step14.oldActive,controller.Step14.active,controller.Transition8.enableFire,controller.Transition9.enableFire,controller.Transition9.condition,controller.Transition10.enableFire,controller.Transition10.condition,controller.Transition11.enableFire,controller.Transition11.condition,controller.Transition12.enableFire,controller.Transition12.condition,controller.Transition13.enableFire,controller.Transition13.condition,controller.T5_idle,controller.T7_idle,controller.TransitionWithSignal1.enableFire,controller.BooleanExpression1.y,controller.stateGraphRoot.activeSteps,$PRE.controller.Step13.localActive,controller.Step13.localActive,$PRE.controller.Step13.newActive,controller.Step13.newActive,$PRE.controller.Step13.oldActive,controller.Step13.oldActive,controller.Step13.active,controller.Transition13b.enableFire,controller.Transition13b.fire,$PRE.controller.Transition13b.t_start,controller.Transition13b.t_start,$PRE.controller.Step10b.localActive,controller.Step10b.localActive,$PRE.controller.Step10b.newActive,controller.Step10b.newActive,$PRE.controller.Step10b.oldActive,controller.Step10b.oldActive,controller.Step10b.active,controller.Transition10b.enableFire,controller.Transition10b.fire,$PRE.controller.Transition10b.t_start,controller.Transition10b.t_start,V11.openingGenerator.endValue,V11.openingGenerator.rate,V11.openingGenerator.T,V8.openingGenerator.endValue,V8.openingGenerator.rate,V8.openingGenerator.T,V9.openingGenerator.endValue,V9.openingGenerator.rate,V9.openingGenerator.T,V2.openingGenerator.endValue,V2.openingGenerator.rate,V2.openingGenerator.T,V4.openingGenerator.endValue,V4.openingGenerator.rate,V4.openingGenerator.T,V3.openingGenerator.endValue,V3.openingGenerator.rate,V3.openingGenerator.T,V6.openingGenerator.endValue,V6.openingGenerator.rate,V6.openingGenerator.T,V23.openingGenerator.endValue,V23.openingGenerator.rate,V23.openingGenerator.T,V1.openingGenerator.endValue,V1.openingGenerator.rate,V1.openingGenerator.T,V22.open,V22.openingGenerator.endValue,V22.openingGenerator.rate,V22.openingGenerator.T,V5.openingGenerator.endValue,V5.openingGenerator.rate,V5.openingGenerator.T,V24.openingGenerator.endValue,V24.openingGenerator.rate,V24.openingGenerator.T,V25.open,V25.openingGenerator.endValue,V25.openingGenerator.rate,V25.openingGenerator.T,V20.openingGenerator.endValue,V20.openingGenerator.rate,V20.openingGenerator.T,V19.openingGenerator.endValue,V19.openingGenerator.rate,V19.openingGenerator.T,V10.openingGenerator.endValue,V10.openingGenerator.rate,V10.openingGenerator.T,V21.openingGenerator.endValue,V21.openingGenerator.rate,V21.openingGenerator.T,volume5.medium.phase,V18.openingGenerator.endValue,V18.openingGenerator.rate,V18.openingGenerator.T,P1.heatTransfer.states[1].phase,P2.heatTransfer.states[1].phase,B1.heatTransfer.states[1].phase,$PRE.B1.ports_m_flow_out[1],B1.ports_m_flow_out[1],$PRE.B1.aboveLevel[1],B1.aboveLevel[1],P1_on.endValue,P1_on.rate,P1_on.T,P2_on.endValue,P2_on.rate,P2_on.T,B2.heatTransfer.states[1].phase,$PRE.B2.ports_m_flow_out[1],B2.ports_m_flow_out[1],$PRE.B2.aboveLevel[1],B2.aboveLevel[1],B3.heatTransfer.states[1].phase,$PRE.B3.ports_m_flow_out[1],B3.ports_m_flow_out[1],$PRE.B3.ports_m_flow_out[2],B3.ports_m_flow_out[2],$PRE.B3.aboveLevel[1],B3.aboveLevel[1],$PRE.B3.aboveLevel[2],B3.aboveLevel[2],B4.heatTransfer.states[1].phase,$PRE.B4.ports_m_flow_out[1],B4.ports_m_flow_out[1],$PRE.B4.aboveLevel[1],B4.aboveLevel[1],B7.heatTransfer.states[1].phase,$PRE.B7.ports_m_flow_out[1],B7.ports_m_flow_out[1],$PRE.B7.aboveLevel[1],B7.aboveLevel[1],pipeB1B2.statesFM[1].phase,pipeB1B2.statesFM[2].phase,pipePump1B1.statesFM[1].phase,pipePump1B1.statesFM[2].phase,pipePump2B2.statesFM[1].phase,pipePump2B2.statesFM[2].phase,B6.heatTransfer.states[1].phase,$PRE.B6.ports_m_flow_out[1],B6.ports_m_flow_out[1],$PRE.B6.aboveLevel[1],B6.aboveLevel[1],volume4.medium.phase,pipePump2B2.state_b.phase,pipePump2B2.state_a.phase,pipePump1B1.state_b.phase,pipePump1B1.state_a.phase,pipeB1B2.state_b.phase,pipeB1B2.state_a.phase,P2.monitoring.state_in.phase,P1.monitoring.state_in.phase,V18.state_b.phase,V18.state_a.phase,V21.state_b.phase,V21.state_a.phase,V10.state_b.phase,V10.state_a.phase,V19.state_b.phase,V19.state_a.phase,V20.state_b.phase,V20.state_a.phase,V25.state_b.phase,V25.state_a.phase,V24.state_b.phase,V24.state_a.phase,V5.state_b.phase,V5.state_a.phase,V22.state_b.phase,V22.state_a.phase,V1.state_b.phase,V1.state_a.phase,V23.state_b.phase,V23.state_a.phase,V6.state_b.phase,V6.state_a.phase,V3.state_b.phase,V3.state_a.phase,V4.state_b.phase,V4.state_a.phase,V2.state_b.phase,V2.state_a.phase,V9.state_b.phase,V9.state_a.phase,V8.state_b.phase,V8.state_a.phase,V11.state_b.phase,V11.state_a.phase,V15.state_b.phase,V15.state_a.phase,V12.state_b.phase,V12.state_a.phase)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (1320):
 * Single equations (assignments): 1290
 * 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: 30
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(1,100.0%) 6,(1,100.0%) 6}
 * Non-linear torn systems: 28 {2 2,1 5,2 2,1 5,1 2,1 5,1 1,1 5,1 5,2 7,1 5,2 7,1 2,1 1,1 1,2 5,1 1,1 1,1 1,2 10,1 1,1 1,1 6,1 1,1 1,1 1,2 14,2 10}
Notification: Performance of prepare postOptimizeDAE: time 0.01308/24.6, allocations: 2.382 MB / 8 GB, free: 4.195 MB / 0.7761 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.005244/24.6, allocations: 0.822 MB / 8.001 GB, free: 3.777 MB / 0.7761 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.08598/24.69, allocations: 37.94 MB / 8.038 GB, free: 11.88 MB / 0.7917 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0004624/24.69, allocations: 424.4 kB / 8.038 GB, free: 11.77 MB / 0.7917 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001074/24.69, allocations: 6.969 kB / 8.038 GB, free: 11.77 MB / 0.7917 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.7705/25.46, allocations: 34.33 MB / 8.072 GB, free: 104.2 MB / 0.7917 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1047/25.56, allocations: 53.17 MB / 8.124 GB, free: 101.8 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001714/25.56, allocations: 6.312 kB / 8.124 GB, free: 101.8 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.008582/25.57, allocations: 1.737 MB / 8.126 GB, free: 101.8 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.01539/25.59, allocations: 6.064 MB / 8.131 GB, free: 101.5 MB / 0.7917 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.003158/25.59, allocations: 319.1 kB / 8.132 GB, free: 101.5 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0219/25.61, allocations: 27.23 MB / 8.158 GB, free: 82.52 MB / 0.7917 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.747e-06/25.61, allocations: 8.875 kB / 8.158 GB, free: 82.52 MB / 0.7917 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.07944/25.69, allocations: 37.09 MB / 8.195 GB, free: 80.1 MB / 0.7917 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.009878/25.7, allocations: 2.657 MB / 8.197 GB, free: 79.8 MB / 0.7917 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.004914/25.71, allocations: 286.7 kB / 8.197 GB, free: 79.8 MB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01152/25.72, allocations: 0.9135 MB / 8.198 GB, free: 79.77 MB / 0.7917 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.003443/25.72, allocations: 0.942 MB / 8.199 GB, free: 79.76 MB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.002345/25.72, allocations: 397.2 kB / 8.2 GB, free: 79.76 MB / 0.7917 GB
Notification: Performance of sorting global known variables: time 0.007827/25.73, allocations: 3.469 MB / 8.203 GB, free: 79.54 MB / 0.7917 GB
Notification: Performance of sort global known variables: time 2.9e-07/25.73, allocations: 2.281 kB / 8.203 GB, free: 79.54 MB / 0.7917 GB
Notification: Performance of remove unused functions: time 0.03739/25.77, allocations: 8.206 MB / 8.211 GB, free: 79.33 MB / 0.7917 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 20
 * Number of states: 34 (B5.medium.h,B5.level,volume5.medium.p,volume5.medium.h,P1.medium.p,P1.medium.h,P2.medium.p,P2.medium.h,B1.medium.h,B1.level,B2.medium.h,B2.level,B3.medium.h,B3.level,B4.medium.h,B4.level,B7.medium.h,B7.level,pipeB1B2.mediums[1].p,pipeB1B2.mediums[1].h,pipeB1B2.mediums[2].p,pipeB1B2.mediums[2].h,pipePump1B1.mediums[1].p,pipePump1B1.mediums[1].h,pipePump1B1.mediums[2].p,pipePump1B1.mediums[2].h,pipePump2B2.mediums[1].p,pipePump2B2.mediums[1].h,pipePump2B2.mediums[2].p,pipePump2B2.mediums[2].h,B6.medium.h,B6.level,volume4.medium.p,volume4.medium.h)
 * Number of discrete variables: 458 (controller.TransitionWithSignal1.t_start,controller.Transition13.t_start,controller.Transition12.t_start,controller.Transition11.t_start,controller.Transition10.t_start,controller.Transition9.t_start,controller.Transition8.t_start,controller.Transition6.t_start,controller.Transition5.t_start,controller.Transition4.t_start,controller.Transition2.t_start,controller.InitialStep1.localActive,controller.Transition1.enableFire,controller.Step1.active,controller.Step1.localActive,controller.Step2.active,controller.Transition3.enableFire,controller.Step2.localActive,controller.Step3.active,controller.Step3.localActive,controller.Step4.localActive,controller.Step5.active,controller.Step5.localActive,controller.Step6.localActive,controller.Transition7.enableFire,controller.Step7.localActive,controller.Step8.active,controller.Step8.localActive,controller.Step9.localActive,controller.Step10.active,V22.open,controller.Transition10b.enableFire,controller.Step10.localActive,controller.Step11.localActive,controller.Step12.localActive,V25.open,controller.Step13b.localActive,controller.Transition13b.enableFire,controller.Step14.localActive,controller.Step13.active,controller.Step13.localActive,controller.Step10b.localActive,$cse4.phase,$cse4.region,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse9.phase,$cse9.region,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse13,$cse14,$cse15,$cse16,$cse17,$cse18,$cse19,$cse20,$cse21,$cse22,$cse23,$cse24,$cse25,$cse26,$cse27,$cse28,$cse30.phase,$cse30.region,$cse31.phase,$cse31.region,$cse33.phase,$cse33.region,$cse34.phase,$cse34.region,$cse35.phase,$cse35.region,$cse36.phase,$cse36.region,$cse38.phase,$cse38.region,$cse39.phase,$cse39.region,$cse40.phase,$cse40.region,$cse41.phase,$cse41.region,$cse43.phase,$cse43.region,$cse44.phase,$cse44.region,$cse45.phase,$cse45.region,$cse46.phase,$cse46.region,$cse48.phase,$cse48.region,$cse49.phase,$cse49.region,$cse50.phase,$cse50.region,$cse51.phase,$cse51.region,$cse53.phase,$cse53.region,$cse54.phase,$cse54.region,$cse56.phase,$cse56.region,$cse57.phase,$cse57.region,$cse59.phase,$cse59.region,$cse60.phase,$cse60.region,$cse61.phase,$cse61.region,$cse62.phase,$cse62.region,$cse64.phase,$cse64.region,$cse65.phase,$cse65.region,$cse66.phase,$cse66.region,$cse67.phase,$cse67.region,$cse69.phase,$cse69.region,$cse70.phase,$cse70.region,$cse71.phase,$cse71.region,$cse72.phase,$cse72.region,$cse74.phase,$cse74.region,$cse75.phase,$cse75.region,$cse76.phase,$cse76.region,$cse77.phase,$cse77.region,$cse79.phase,$cse79.region,$cse80.phase,$cse80.region,$cse81.phase,$cse81.region,$cse82.phase,$cse82.region,$cse84.phase,$cse84.region,$cse85.phase,$cse85.region,$cse86.phase,$cse86.region,$cse87.phase,$cse87.region,$cse89.phase,$cse89.region,$cse90.phase,$cse90.region,$cse93.phase,$cse93.region,$cse95.phase,$cse95.region,$cse96.phase,$cse96.region,$cse98.phase,$cse98.region,$cse100.phase,$cse100.region,$cse101.phase,$cse101.region,$cse102.phase,$cse102.region,$cse104.phase,$cse104.region,$cse105.phase,$cse105.region,$cse106.region3boundary,$cse107.region3boundary,$cse108.phase,$cse108.region,$cse110.phase,$cse110.region,$cse111.phase,$cse111.region,$cse112.phase,$cse112.region,$cse113.region3boundary,$cse114.region3boundary,$cse115.phase,$cse115.region,$cse119.region3boundary,$cse120.region3boundary,$cse121.phase,$cse121.region,$cse127.phase,$cse127.region,$cse128.phase,$cse128.region,$cse129.phase,$cse129.region,$cse130.phase,$cse130.region,$cse131.phase,$cse131.region,$cse132.region3boundary,$cse133.region3boundary,$cse134.phase,$cse134.region,$cse135.region3boundary,$cse136.region3boundary,$cse137.phase,$cse137.region,$cse139.phase,$cse139.region,$cse141.phase,$cse141.region,$cse143.phase,$cse143.region,$cse145.phase,$cse145.region,$cse146.phase,$cse146.region,$cse148.phase,$cse148.region,$cse150.region3boundary,$cse151.region3boundary,$cse152.phase,$cse152.region,$cse153.region3boundary,$cse154.region3boundary,$cse155.phase,$cse155.region,$cse157.region3boundary,$cse158.region3boundary,$cse159.phase,$cse159.region,$cse160.region3boundary,$cse161.region3boundary,$cse162.phase,$cse162.region,$cse164.phase,$cse164.region,$cse168.region3boundary,$cse169.region3boundary,$cse170.phase,$cse170.region,$whenCondition23,$whenCondition22,$whenCondition21,$whenCondition20,$whenCondition19,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,B5.InnerTankTop[1].m_flow_negative,B5.InnerTankSide[1].m_flow_negative,B5.InnerTankBottom[1].m_flow_negative,B5.heatTransfer.states[1].phase,V12.openingGenerator.endValue,V12.openingGenerator.rate,V12.openingGenerator.T,V15.openingGenerator.endValue,V15.openingGenerator.rate,V15.openingGenerator.T,controller.InitialStep1.newActive,controller.InitialStep1.oldActive,controller.InitialStep1.active,controller.Transition1.fire,controller.Transition1.t_start,controller.Step1.newActive,controller.Step1.oldActive,controller.Transition2.enableFire,controller.Transition2.condition,controller.Step2.newActive,controller.Step2.oldActive,controller.Transition3.fire,controller.Transition3.t_start,controller.Step3.newActive,controller.Step3.oldActive,controller.Transition4.enableFire,controller.Transition4.condition,controller.Step4.newActive,controller.Step4.oldActive,controller.Step4.active,controller.Transition5.enableFire,controller.Step5.newActive,controller.Step5.oldActive,controller.Transition6.enableFire,controller.Transition6.condition,controller.Step6.newActive,controller.Step6.oldActive,controller.Step6.active,controller.Transition7.fire,controller.Transition7.t_start,controller.Parallel1.inPort.occupied,controller.Parallel1.outPort.available,controller.Step7.newActive,controller.Step7.oldActive,controller.Step7.active,controller.Step8.newActive,controller.Step8.oldActive,controller.Step9.newActive,controller.Step9.oldActive,controller.Step9.active,controller.Step10.newActive,controller.Step10.oldActive,controller.Step11.newActive,controller.Step11.oldActive,controller.Step11.active,controller.Step12.newActive,controller.Step12.oldActive,controller.Step12.active,controller.Step13b.newActive,controller.Step13b.oldActive,controller.Step13b.active,controller.Step14.newActive,controller.Step14.oldActive,controller.Step14.active,controller.Transition8.enableFire,controller.Transition9.enableFire,controller.Transition9.condition,controller.Transition10.enableFire,controller.Transition10.condition,controller.Transition11.enableFire,controller.Transition11.condition,controller.Transition12.enableFire,controller.Transition12.condition,controller.Transition13.enableFire,controller.Transition13.condition,controller.T5_idle,controller.T7_idle,controller.TransitionWithSignal1.enableFire,controller.BooleanExpression1.y,controller.stateGraphRoot.activeSteps,controller.Step13.newActive,controller.Step13.oldActive,controller.Transition13b.fire,controller.Transition13b.t_start,controller.Step10b.newActive,controller.Step10b.oldActive,controller.Step10b.active,controller.Transition10b.fire,controller.Transition10b.t_start,V11.openingGenerator.endValue,V11.openingGenerator.rate,V11.openingGenerator.T,V8.openingGenerator.endValue,V8.openingGenerator.rate,V8.openingGenerator.T,V9.openingGenerator.endValue,V9.openingGenerator.rate,V9.openingGenerator.T,V2.openingGenerator.endValue,V2.openingGenerator.rate,V2.openingGenerator.T,V4.openingGenerator.endValue,V4.openingGenerator.rate,V4.openingGenerator.T,V3.openingGenerator.endValue,V3.openingGenerator.rate,V3.openingGenerator.T,V6.openingGenerator.endValue,V6.openingGenerator.rate,V6.openingGenerator.T,V23.openingGenerator.endValue,V23.openingGenerator.rate,V23.openingGenerator.T,V1.openingGenerator.endValue,V1.openingGenerator.rate,V1.openingGenerator.T,V22.openingGenerator.endValue,V22.openingGenerator.rate,V22.openingGenerator.T,V5.openingGenerator.endValue,V5.openingGenerator.rate,V5.openingGenerator.T,V24.openingGenerator.endValue,V24.openingGenerator.rate,V24.openingGenerator.T,V25.openingGenerator.endValue,V25.openingGenerator.rate,V25.openingGenerator.T,V20.openingGenerator.endValue,V20.openingGenerator.rate,V20.openingGenerator.T,V19.openingGenerator.endValue,V19.openingGenerator.rate,V19.openingGenerator.T,V10.openingGenerator.endValue,V10.openingGenerator.rate,V10.openingGenerator.T,V21.openingGenerator.endValue,V21.openingGenerator.rate,V21.openingGenerator.T,volume5.medium.phase,V18.openingGenerator.endValue,V18.openingGenerator.rate,V18.openingGenerator.T,P1.heatTransfer.states[1].phase,P2.heatTransfer.states[1].phase,B1.heatTransfer.states[1].phase,B1.ports_m_flow_out[1],B1.aboveLevel[1],P1_on.endValue,P1_on.rate,P1_on.T,P2_on.endValue,P2_on.rate,P2_on.T,B2.heatTransfer.states[1].phase,B2.ports_m_flow_out[1],B2.aboveLevel[1],B3.heatTransfer.states[1].phase,B3.ports_m_flow_out[1],B3.ports_m_flow_out[2],B3.aboveLevel[1],B3.aboveLevel[2],B4.heatTransfer.states[1].phase,B4.ports_m_flow_out[1],B4.aboveLevel[1],B7.heatTransfer.states[1].phase,B7.ports_m_flow_out[1],B7.aboveLevel[1],pipeB1B2.statesFM[1].phase,pipeB1B2.statesFM[2].phase,pipePump1B1.statesFM[1].phase,pipePump1B1.statesFM[2].phase,pipePump2B2.statesFM[1].phase,pipePump2B2.statesFM[2].phase,B6.heatTransfer.states[1].phase,B6.ports_m_flow_out[1],B6.aboveLevel[1],volume4.medium.phase)
 * Number of discrete states: 67 (V2.openingGenerator.y,V4.openingGenerator.y,V19.openingGenerator.y,V10.openingGenerator.y,V21.openingGenerator.y,B6.aboveLevel[1],B7.aboveLevel[1],B4.aboveLevel[1],B3.aboveLevel[2],B3.aboveLevel[1],B2.aboveLevel[1],B1.aboveLevel[1],B3.ports_m_flow_out[2],controller.Step10b.newActive,controller.Step13.newActive,V20.openingGenerator.y,B6.ports_m_flow_out[1],V6.openingGenerator.y,controller.Step14.newActive,controller.Step13b.newActive,P2_on.y,V25.openingGenerator.y,V24.openingGenerator.y,V5.openingGenerator.y,controller.Step12.newActive,controller.Step11.newActive,controller.Step10.newActive,P1_on.y,V22.openingGenerator.y,V1.openingGenerator.y,V23.openingGenerator.y,V18.openingGenerator.y,B7.ports_m_flow_out[1],V3.openingGenerator.y,controller.Step9.newActive,controller.Step8.newActive,V15.openingGenerator.y,controller.Step7.newActive,controller.Step6.newActive,controller.Step5.newActive,V12.openingGenerator.y,controller.Step4.newActive,controller.Step3.newActive,V11.openingGenerator.y,B3.ports_m_flow_out[1],controller.Step2.newActive,V9.openingGenerator.y,B2.ports_m_flow_out[1],controller.Step1.newActive,V8.openingGenerator.y,B1.ports_m_flow_out[1],controller.InitialStep1.newActive,B5.InnerTankTop[1].m_flow_negative,B4.ports_m_flow_out[1],B5.InnerTankSide[1].m_flow_negative,B5.InnerTankBottom[1].m_flow_negative,controller.Transition2.t_start,controller.Transition4.t_start,controller.Transition5.t_start,controller.Transition6.t_start,controller.Transition8.t_start,controller.Transition9.t_start,controller.Transition10.t_start,controller.Transition11.t_start,controller.Transition12.t_start,controller.Transition13.t_start,controller.TransitionWithSignal1.t_start)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (1026):
 * Single equations (assignments): 797
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 101
 * When equations: 99
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 29
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 2 {(1,100.0%) 6,(1,100.0%) 6}
 * Non-linear torn systems: 27 {1 1,1 1,1 1,1 7,1 1,2 6,1 1,1 1,1 1,1 1,1 1,1 1,2 2,2 4,2 4,2 4,2 4,2 4,1 5,2 19,2 13,2 9,2 9,2 13,2 2,1 2,1 2}
Notification: Performance of Backend phase and start with SimCode phase: time 0.09644/25.87, allocations: 45.51 MB / 8.256 GB, free: 62.24 MB / 0.7917 GB
Notification: Performance of simCode: created initialization part: time 0.0619/25.93, allocations: 25.85 MB / 8.281 GB, free: 51.58 MB / 0.7917 GB
Notification: Performance of simCode: created event and clocks part: time 1.719e-05/25.93, allocations: 10.75 kB / 8.281 GB, free: 51.57 MB / 0.7917 GB
Notification: Performance of simCode: created simulation system equations: time 0.02473/25.95, allocations: 13.15 MB / 8.294 GB, free: 39.95 MB / 0.7917 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.02271/25.97, allocations: 3.827 MB / 8.297 GB, free: 37.39 MB / 0.7917 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.8218/26.8, allocations: 143 MB / 8.437 GB, free: 35.24 MB / 0.7917 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007719/26.8, allocations: 7.132 MB / 8.444 GB, free: 34.16 MB / 0.7917 GB
Notification: Performance of simCode: alias equations: time 0.01933/26.82, allocations: 9.626 MB / 8.453 GB, free: 34.03 MB / 0.7917 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01093/26.83, allocations: 6.15 MB / 8.459 GB, free: 34.03 MB / 0.7917 GB
Notification: Performance of SimCode: time 1.042e-06/26.83, allocations: 0 / 8.459 GB, free: 34.03 MB / 0.7917 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 1.222/28.06, allocations: 430.8 MB / 8.88 GB, free: 47.39 MB / 0.823 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.000144/28.06, allocations: 226.5 kB / 8.88 GB, free: 47.16 MB / 0.823 GB
Notification: Performance of buildModelFMU: Generate platform static: time 21.77/49.82, allocations: 2.344 kB / 8.88 GB, free: 47.16 MB / 0.823 GB
(rm -f Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.pipe ; mkfifo Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.pipe ; head -c 1048576 < Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.pipe >> ../files/Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater_res.mat --tempDir=temp_Modelica_trunk_Modelica_Fluid_Examples_AST_BatchPlant_BatchPlant_StandardWater_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Modelica_trunk_Modelica_Fluid_Examples_AST_BatchPlant_BatchPlant_StandardWater.fmu > Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater.pipe 2>&1)
TODO: How the !@#!# did the simulation report success but simulation result Modelica_trunk_Modelica.Fluid.Examples.AST_BatchPlant.BatchPlant_StandardWater_res.mat does not exist to compare? outputFormat=mat