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 | warning | The default linear solver fails, the fallback solver with total pivoting is started at time 39.810591. 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_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 39.810591 | | | | ((doubleActingCylinder.cushionHead.s_rel >= 0.0)) --> "Variable violating min constraint: 0.0 <= doubleActingCylinder.cushionHead.s_rel, has value: -3.19255e-13" 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 39.810591 | | | | ((doubleActingCylinder1.cushionHead.s_rel >= 0.0)) --> "Variable violating min constraint: 0.0 <= doubleActingCylinder1.cushionHead.s_rel, has value: -1.00321e-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) DASKR-- AT T (=R1) AND STEPSIZE H (=R2) THE In above, R1 = 4.9680895052915E+01 R2 = 8.5517450322328E-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 = 49.680895 LOG_STDOUT | info | model terminate | Integrator failed. | Simulation terminated at time 49.6809