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-rw-r--r--src/proof/int/intMan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/proof/int/intMan.c b/src/proof/int/intMan.c
index 6dbf6f66..ef5500e7 100644
--- a/src/proof/int/intMan.c
+++ b/src/proof/int/intMan.c
@@ -103,7 +103,7 @@ void Inter_ManClean( Inter_Man_t * p )
***********************************************************************/
void Inter_ManInterDump( Inter_Man_t * p, int fProved )
{
- char * pFileName = p->pFileName ? p->pFileName : "invar.aig";
+ char * pFileName = p->pFileName ? p->pFileName : (char *)"invar.aig";
Aig_Man_t * pMan;
pMan = Aig_ManDupArray( p->vInters );
Ioa_WriteAiger( pMan, pFileName, 0, 0 );