| FLITPSCInv(gs, lsf, pcf), FLITPSCInv(gs0, lsf0, pcf0), PLIBInv(ags, alsf, apcf), flitpscStep(mkstate(gs, lsf, pcf), globalPSCCRASH, mkstate(gs0, lsf0, pcf0)), abs(mkstate(gs, lsf, pcf), mkstate(ags, alsf, apcf)) ⊦ ∃ ags0, alsf0, apcf0. plibStep(mkstate(ags, alsf, apcf), globalACrash, mkstate(ags0, alsf0, apcf0)) ∧ abs(mkstate(gs0, lsf0, pcf0), mkstate(ags0, alsf0, apcf0)) |