From bca099ca2966080c6bacbee40a5e6184356522ca Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 6 Jun 2020 00:55:35 +0200
Subject: [PATCH] prevent crash if first breakpoint is beyond optran max time

---
 src/spicelib/analysis/cktsetbk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/spicelib/analysis/cktsetbk.c b/src/spicelib/analysis/cktsetbk.c
index 0dd899a27..659abcdf5 100644
--- a/src/spicelib/analysis/cktsetbk.c
+++ b/src/spicelib/analysis/cktsetbk.c
@@ -73,7 +73,7 @@ CKTsetBreak(CKTcircuit *ckt, double time)
         }
     }
     /* never found it - beyond end of time - extend out idea of time */
-    if(time-ckt->CKTbreaks[ckt->CKTbreakSize-1]<=ckt->CKTminBreak) {
+    if(ckt->CKTbreaks && time-ckt->CKTbreaks[ckt->CKTbreakSize-1]<=ckt->CKTminBreak) {
         /* very close tegether - keep earlier, throw out new point */
 #ifdef TRACE_BREAKPOINT
                 printf("[t:%e] \t %e skipped (at the end)\n", ckt->CKTtime, time);