warning: for p.o. reduction to be valid the never claim must be stutter-invariant (never claims generated from LTL formulae are stutter-invariant) Depth= 147405 States= 1e+006 Transitions= 1.39e+006 Memory= 953.674 t= 2.38e+003 R= 4e+002 Depth= 147405 States= 2e+006 Transitions= 2.97e+006 Memory= 953.674 t= 5.1e+003 R= 4e+002 Depth= 147405 States= 3e+006 Transitions= 4.75e+006 Memory= 953.674 t= 8.15e+003 R= 4e+002 Depth= 147405 States= 4e+006 Transitions= 7.09e+006 Memory= 953.674 t= 1.22e+004 R= 3e+002 (Spin Version 6.1.0 -- 4 May 2011) + Partial Order Reduction Bit statespace search for: never claim + (p7) assertion violations + (if within scope of claim) cycle checks - (disabled by -DSAFETY) invalid end states - (disabled by never claim) State-vector 642096 byte, depth reached 147405, errors: 0 4265287 states, stored 3671798 states, matched 7937085 transitions (= stored+matched) 0 atomic steps hash factor: 1.96672 (best if > 100.) bits set per state: 3 (-k3) Stats on memory usage (in Megabytes): 2611866.744 equivalent memory usage for states (stored*(State-vector + overhead)) 1.000 memory used for hash array (-w23) 1.000 memory used for bit stack 19.074 memory used for DFS stack (-m500000) 932.601 other (proc and chan stacks) 953.674 total actual memory usage pan: elapsed time 1.36e+004 seconds pan: rate 312.6434 states/second