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-rw-r--r--src/proof/pdr/pdrIncr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/proof/pdr/pdrIncr.c b/src/proof/pdr/pdrIncr.c
index 8cc964e5..c59bfe1c 100644
--- a/src/proof/pdr/pdrIncr.c
+++ b/src/proof/pdr/pdrIncr.c
@@ -160,7 +160,8 @@ int IPdr_ManCheckClauses( Pdr_Man_t * p )
printf( "Cube[%d][%d] not inductive!\n", k, j );
}
- assert( RetValue == 1 );
+ if ( RetValue == -1 )
+ return -1;
}
}