PRISM

Benchmark
Model:consensus v.1 (MDP)
Parameter(s)N = 6, K = 2
Property:disagree (prob-reach)
Invocation (specific)
./fix-syntax ./prism --javamaxmem 11g consensus.6.prism consensus.props --property disagree -const K=2 -sparse -bgs
Select best engine and numerical method
Execution
Walltime:145.92161297798157s
Return code:0
Relative Error:5.6416600330326686e-05
Log
PRISM
=====

Version: 4.4.dev
Date: Mon Dec 10 22:56:51 CET 2018
Hostname: qcomp2019
Memory limits: cudd=1g, java(heap)=1g
Command line: prism --javamaxmem 11g consensus.6.prism consensus.props --property disagree -const K=2 -sparse -bgs

Parsing model file "consensus.6.prism"...

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" ]

Type:        MDP
Modules:     process1 process2 process3 process4 process5 process6 
Variables:   counter pc1 coin1 pc2 coin2 pc3 coin3 pc4 coin4 pc5 coin5 pc6 coin6 

---------------------------------------------------------------------

Model checking: "disagree": Pmax=? [ F "finished"&!"agree" ]
Model constants: K=2

Building model...
Model constants: K=2

Computing reachable states...

Reachability (BFS): 149 iterations in 0.17 seconds (average 0.001114, setup 0.00)

Time for model construction: 0.15 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 0.98 seconds (average 0.008548, setup 0.00)

Prob1E: 1925 iterations in 26.03 seconds (average 0.013520, 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 163: max relative diff=0.211638, 5.01 sec so far
Iteration 325: max relative diff=0.049996, 10.03 sec so far
Iteration 487: max relative diff=0.021213, 15.06 sec so far
Iteration 649: max relative diff=0.010714, 20.08 sec so far
Iteration 811: max relative diff=0.005886, 25.10 sec so far
Iteration 973: max relative diff=0.003396, 30.13 sec so far
Iteration 1135: max relative diff=0.002020, 35.15 sec so far
Iteration 1297: max relative diff=0.001225, 40.17 sec so far
Iteration 1459: max relative diff=0.000753, 45.20 sec so far
Iteration 1621: max relative diff=0.000466, 50.21 sec so far
Iteration 1783: max relative diff=0.000291, 55.24 sec so far
Iteration 1945: max relative diff=0.000182, 60.26 sec so far
Iteration 2106: max relative diff=0.000114, 65.26 sec so far
Iteration 2268: max relative diff=0.000071, 70.29 sec so far
Iteration 2430: max relative diff=0.000045, 75.31 sec so far
Iteration 2592: max relative diff=0.000028, 80.34 sec so far
Iteration 2752: max relative diff=0.000018, 85.36 sec so far
Iteration 2914: max relative diff=0.000011, 90.38 sec so far
Iteration 3073: max relative diff=0.000007, 95.40 sec so far
Iteration 3234: max relative diff=0.000004, 100.42 sec so far
Iteration 3396: max relative diff=0.000003, 105.44 sec so far
Iteration 3557: max relative diff=0.000002, 110.45 sec so far
Iteration 3719: max relative diff=0.000001, 115.47 sec so far

Iterative method: 3759 iterations in 117.83 seconds (average 0.031048, setup 1.12)

Value in the initial state: 0.36362423396240773

Time for model checking: 144.994 seconds.

Result: 0.36362423396240773 (value in the initial state)


Overall running time: 145.698 seconds.