Environment - simulationEnvironment: startTime=0 stopTime=250 tolerance=1e-08 numberOfIntervals=2500 stepSize=0.1 Regular simulation: ./OpenHydraulics_OpenHydraulics.Circuits.OpenCenterSectionalValveCircuit -abortSlowSimulation -alarm=240 -lv LOG_STATS LOG_SUCCESS | info | The initialization finished successfully without homotopy method. LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 39.8106) LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenHydraulics main/Components/Cylinders/BaseClasses/CylinderCushion.mo:29:3-29:77:writable] | | | | The following assertion has been violated at time 39.810589 | | | | ((doubleActingCylinder.cushionHead.s_rel >= 0.0)) --> "Variable violating min constraint: 0.0 <= doubleActingCylinder.cushionHead.s_rel, has value: -1.0073e-12" LOG_STDOUT | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 39.810589. That might raise performance issues, for more information use -lv LOG_LS. LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 39.8106) LOG_ASSERT | info | [/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenHydraulics main/Components/Cylinders/BaseClasses/CylinderCushion.mo:29:3-29:77:writable] | | | | The following assertion has been violated at time 39.810589 | | | | ((doubleActingCylinder1.cushionHead.s_rel >= 0.0)) --> "Variable violating min constraint: 0.0 <= doubleActingCylinder1.cushionHead.s_rel, has value: -1.00621e-12" LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 49.6426) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 49.6426) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 59.6423) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 59.6423) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 69.6423) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 69.6423) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 79.6423) LOG_STDOUT | info | | | | | WARNING: CylinderChamber has reached end of travel. LOG_STDOUT | info | This could cause erratic behavior of the simulation. LOG_STDOUT | info | (time = 79.6423) DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 7.9678320019389E+01 R2 = 3.0304148700776E-10 DASKR-- NONLINEAR SOLVER FAILED TO CONVERGE DASKR-- REPEATEDLY OR WITH ABS(H)=HMIN LOG_STDOUT | warning | The corrector could not converge. LOG_STDOUT | warning | can't continue. time = 79.678320 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 79.6783 LOG_STATS | info | ### STATISTICS ### | | | | | timer | | | | | | 0.0517064s reading init.xml | | | | | | 0.0035177s reading info.xml | | | | | | 0.000280927s [ 0.0%] pre-initialization | | | | | | 0.000509496s [ 0.0%] initialization | | | | | | 0.0234822s [ 1.3%] steps | | | | | | 0.15088s [ 8.2%] solver (excl. callbacks) | | | | | | 0s [ 0.0%] creating output-file | | | | | | 0.421617s [ 22.8%] event-handling | | | | | | 0.00193014s [ 0.1%] overhead | | | | | | 1.25246s [ 67.7%] simulation | | | | | | 1.85116s [100.0%] total | | | | | events | | | | | | 32 state events | | | | | | 0 time events | | | | | solver: dassl | | | | | | 45745 steps taken | | | | | | 80523 calls of functionODE | | | | | | 7704 evaluations of jacobian | | | | | | 3081 error test failures | | | | | | 104 convergence test failures | | | | | | 0.666108s time of jacobian evaluation