PRISM
=====
Version: 4.5.dev
Date: Fri Feb 26 15:07:42 CET 2021
Hostname: christopher
Memory limits: cudd=4g, java(heap)=11g
Command line: prism -javamaxmem 11g -cuddmaxmem 4g -heuristic speed -e 1e-6 -maxiters 1000000 consensus.6.prism consensus.props --property disagree -const K=2
Parsing model file "consensus.6.prism"...
Type: MDP
Modules: process1 process2 process3 process4 process5 process6
Variables: counter pc1 coin1 pc2 coin2 pc3 coin3 pc4 coin4 pc5 coin5 pc6 coin6
Parsing properties file "consensus.props"...
5 properties:
(1) "c1": P>=1 [ F "finished" ]
(2) "c2": Pmin=? [ F "finished"&"all_coins_equal_1" ]
(3) "disagree": Pmax=? [ F "finished"&!"agree" ]
(4) "steps_max": R{"steps"}max=? [ F "finished" ]
(5) "steps_min": R{"steps"}min=? [ F "finished" ]
---------------------------------------------------------------------
Model checking: "disagree": Pmax=? [ F "finished"&!"agree" ]
Model constants: K=2
Warning: Switching to sparse engine and (backwards) Gauss Seidel (default for heuristic=speed).
Building model...
Model constants: K=2
Computing reachable states...
Reachability (BFS): 149 iterations in 0.05 seconds (average 0.000356, setup 0.00)
Time for model construction: 0.087 seconds.
Type: MDP
States: 1258240 (1 initial)
Transitions: 6236736
Choices: 5008128
Transition matrix: 7075 nodes (3 terminal), 6236736 minterms, vars: 24r/24c/6nd
Prob0A: 115 iterations in 0.70 seconds (average 0.006070, setup 0.00)
Prob1E: 1925 iterations in 19.56 seconds (average 0.010162, setup 0.00)
yes = 583956, no = 27270, maybe = 647014
Computing remaining probabilities...
Engine: Sparse
Building sparse matrix... [n=1258240, nc=2997228, nnz=3756780, k=6] [47.1 MB]
Creating vector for yes... [9.6 MB]
Allocating iteration vectors... [2 x 9.6 MB]
TOTAL: [75.9 MB]
Starting iterations...
Iteration 356: max relative diff=0.041738, 5.01 sec so far
Iteration 708: max relative diff=0.008524, 10.02 sec so far
Iteration 1061: max relative diff=0.002557, 15.03 sec so far
Iteration 1413: max relative diff=0.000860, 20.03 sec so far
Iteration 1765: max relative diff=0.000306, 25.04 sec so far
Iteration 2118: max relative diff=0.000110, 30.05 sec so far
Iteration 2470: max relative diff=0.000040, 35.07 sec so far
Iteration 2822: max relative diff=0.000015, 40.08 sec so far
Iteration 3174: max relative diff=0.000005, 45.08 sec so far
Iteration 3526: max relative diff=0.000002, 50.09 sec so far
Iterative method: 3759 iterations in 53.97 seconds (average 0.014205, setup 0.58)
Value in the initial state: 0.36362423396240773
Time for model checking: 74.294 seconds.
Result: 0.36362423396240773 (value in the initial state)
Overall running time: 74.61 seconds.
---------------------------------------------------------------------
Note: There was 1 warning during computation.