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-rw-r--r--src/sat/cnf/cnfUtil.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sat/cnf/cnfUtil.c b/src/sat/cnf/cnfUtil.c
index 96002df8..5ccbeb0d 100644
--- a/src/sat/cnf/cnfUtil.c
+++ b/src/sat/cnf/cnfUtil.c
@@ -374,7 +374,7 @@ Cnf_Dat_t * Cnf_DataReadFromFile( char * pFileName )
// create
pCnf = ABC_CALLOC( Cnf_Dat_t, 1 );
pCnf->nVars = nVars;
- pCnf->nClauses = nClas;
+ pCnf->nClauses = Vec_IntSize(vClas)-1;
pCnf->nLiterals = Vec_IntSize(vLits);
pCnf->pClauses = ABC_ALLOC( int *, Vec_IntSize(vClas) );
pCnf->pClauses[0] = Vec_IntReleaseArray(vLits);