startTime=0 stopTime=504800 tolerance=1e-06 numberOfIntervals=140 stepSize=3605.71 wasm-jit simulation: simulate(Buildings.Air.Systems.SingleZone.VAV.Examples.ChillerDXHeatingEconomizer,startTime=0,stopTime=504800,tolerance=1e-06,numberOfIntervals=140,outputFormat="mat",variableFilter="time|con.TRoo|con.TSetRooHea|con.TSetRooCoo|EFan.y|EHea.y|ECoo.y|EHVAC.y|EPum.y",fileNamePrefix="Buildings_12_Buildings.Air.Systems.SingleZone.VAV.Examples.ChillerDXHeatingEconomizer",simflags="-abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS") Simulation execution failed for model: Buildings.Air.Systems.SingleZone.VAV.Examples.ChillerDXHeatingEconomizer LOG_STDOUT | warning | Sparsity pattern for non-linear system 0 is not regular. This indicates that something went wrong during sparsity pattern generation. Removing sparsity pattern and disabling NLS scaling. LOG_ASSERT | warning | Homotopy algorithm did not converge. | | | | No solution for current step size tau found and tau cannot be decreased any further. | | | | You can set the minimum step size tau with: | | | | -homTauMin= | | | | You can also try to allow more newton steps in the corrector step with: | | | | -homMaxNewtonSteps= | | | | or change the tolerance for the solution with: | | | | -homHEps= | | | | You can also try to use another backtrace stategy in the corrector step with: | | | | -homBacktraceStrategy= | | | | You can use -lv=LOG_INIT_HOMOTOPY,LOG_NLS_HOMOTOPY to get more information. LOG_ASSERT | info | The homotopy algorithm is started again with opposing start direction. LOG_ASSERT | warning | Homotopy algorithm did not converge. | | | | No solution for current step size tau found and tau cannot be decreased any further. | | | | You can set the minimum step size tau with: | | | | -homTauMin= | | | | You can also try to allow more newton steps in the corrector step with: | | | | -homMaxNewtonSteps= | | | | or change the tolerance for the solution with: | | | | -homHEps= | | | | You can also try to use another backtrace stategy in the corrector step with: | | | | -homBacktraceStrategy= | | | | You can use -lv=LOG_INIT_HOMOTOPY,LOG_NLS_HOMOTOPY to get more information. LOG_ASSERT | debug | Solving non-linear system 1585 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | info | simulation terminated by an assertion at initialization