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= 169029 States= 1e+006 Transitions= 1.4e+006 Memory= 953.674 t= 2.41e+003 R= 4e+002 Depth= 169029 States= 2e+006 Transitions= 2.99e+006 Memory= 953.674 t= 5.16e+003 R= 4e+002 Depth= 169029 States= 3e+006 Transitions= 4.76e+006 Memory= 953.674 t= 8.22e+003 R= 4e+002 (Spin Version 6.1.0 -- 4 May 2011) + Partial Order Reduction Bit statespace search for: never claim + (p3) assertion violations + (if within scope of claim) cycle checks - (disabled by -DSAFETY) invalid end states - (disabled by never claim) State-vector 640800 byte, depth reached 169029, errors: 0 3725541 states, stored 2604260 states, matched 6329801 transitions (= stored+matched) 0 atomic steps hash factor: 2.25165 (best if > 100.) bits set per state: 3 (-k3) Stats on memory usage (in Megabytes): 2276746.345 equivalent memory usage for states (stored*(State-vector + overhead)) 1.000 memory used for hash array (-w23) 1.000 memory used for bit stack 7.630 memory used for DFS stack (-m200000) 944.045 other (proc and chan stacks) 953.674 total actual memory usage pan: elapsed time 1.09e+004 seconds pan: rate 340.47343 states/second