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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2008-09-19 08:01:00 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2008-09-19 08:01:00 -0700 |
| commit | 3429e6309d0fc9a2d35d81f6483258c6af2fab50 (patch) | |
| tree | 6ea42f73528c9f456d5b0dea28173806cd45742d /src/aig/int/intContain.c | |
| parent | 655a50101e18176f1163ccfc67cf69d86623d1f2 (diff) | |
| download | abc-3429e6309d0fc9a2d35d81f6483258c6af2fab50.tar.gz abc-3429e6309d0fc9a2d35d81f6483258c6af2fab50.tar.bz2 abc-3429e6309d0fc9a2d35d81f6483258c6af2fab50.zip | |
Version abc80919
Diffstat (limited to 'src/aig/int/intContain.c')
| -rw-r--r-- | src/aig/int/intContain.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/aig/int/intContain.c b/src/aig/int/intContain.c index fa52e2b6..dcc80b29 100644 --- a/src/aig/int/intContain.c +++ b/src/aig/int/intContain.c @@ -200,19 +200,19 @@ int Inter_ManCheckInductiveContainment( Aig_Man_t * pTrans, Aig_Man_t * pInter, assert( Vec_PtrSize(vMapRegs) == (nSteps + 1) * nRegs ); // add main constraints to the timeframes ppNodes = (Aig_Obj_t **)Vec_PtrArray(vMapRegs); - if ( fBackward ) - { - // p -> !p -> ... -> !p - Inter_ManAppendCone( pInter, pFrames, ppNodes + 0 * nRegs, 1 ); - for ( f = 1; f <= nSteps; f++ ) + if ( !fBackward ) + { + // forward inductive check: p -> p -> ... -> !p + for ( f = 0; f < nSteps; f++ ) Inter_ManAppendCone( pInter, pFrames, ppNodes + f * nRegs, 0 ); + Inter_ManAppendCone( pInter, pFrames, ppNodes + f * nRegs, 1 ); } else { - // !p -> p -> ... -> p - for ( f = 0; f < nSteps; f++ ) + // backward inductive check: p -> !p -> ... -> !p + Inter_ManAppendCone( pInter, pFrames, ppNodes + 0 * nRegs, 1 ); + for ( f = 1; f <= nSteps; f++ ) Inter_ManAppendCone( pInter, pFrames, ppNodes + f * nRegs, 0 ); - Inter_ManAppendCone( pInter, pFrames, ppNodes + f * nRegs, 1 ); } Vec_PtrFree( vMapRegs ); Aig_ManCleanup( pFrames ); |