Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r140-smll-174876533600182.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is MultiCrashLeafsetExtension-PT-S16C03, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r140-smll-174876533600182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 13K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.5M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748929220977

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MultiCrashLeafsetExtension-PT-S16C03
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 05:40:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 05:40:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 05:40:23] [INFO ] Load time of PNML (sax parser for PT used): 624 ms
[2025-06-03 05:40:23] [INFO ] Transformed 3606 places.
[2025-06-03 05:40:24] [INFO ] Transformed 5141 transitions.
[2025-06-03 05:40:24] [INFO ] Parsed PT model containing 3606 places and 5141 transitions and 20838 arcs in 873 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3606/3606 places, 5141/5141 transitions.
Reduce places removed 26 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 816 transitions
Trivial Post-agglo rules discarded 816 transitions
Performed 816 trivial Post agglomeration. Transition count delta: 816
Iterating post reduction 0 with 842 rules applied. Total rules applied 842 place count 3580 transition count 4325
Reduce places removed 816 places and 0 transitions.
Iterating post reduction 1 with 816 rules applied. Total rules applied 1658 place count 2764 transition count 4325
Performed 102 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 102 Pre rules applied. Total rules applied 1658 place count 2764 transition count 4223
Deduced a syphon composed of 102 places in 24 ms
Reduce places removed 102 places and 0 transitions.
Iterating global reduction 2 with 204 rules applied. Total rules applied 1862 place count 2662 transition count 4223
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 8 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 1896 place count 2645 transition count 4206
Applied a total of 1896 rules in 531 ms. Remains 2645 /3606 variables (removed 961) and now considering 4206/5141 (removed 935) transitions.
[2025-06-03 05:40:24] [INFO ] Flow matrix only has 3934 transitions (discarded 272 similar events)
// Phase 1: matrix 3934 rows 2645 cols
[2025-06-03 05:40:25] [INFO ] Computed 433 invariants in 701 ms
[2025-06-03 05:40:33] [INFO ] Implicit Places using invariants in 8592 ms returned [4, 7, 14, 23, 34, 47, 62, 79, 98, 118, 137, 154, 169, 182, 193, 202, 209, 222, 228, 234, 241, 250, 261, 274, 289, 306, 324, 341, 356, 369, 380, 389, 396, 402, 415, 421, 427, 433, 440, 449, 460, 473, 488, 504, 519, 532, 543, 552, 559, 565, 571, 584, 590, 596, 602, 608, 615, 624, 635, 648, 662, 675, 686, 695, 702, 708, 714, 720, 733, 739, 745, 751, 757, 763, 770, 779, 790, 802, 813, 822, 829, 835, 841, 847, 853, 866, 872, 878, 884, 890, 896, 902, 909, 918, 928, 937, 944, 950, 956, 962, 968, 974, 987, 993, 999, 1005, 1011, 1017, 1023, 1029, 1036, 1044, 1051, 1057, 1063, 1069, 1075, 1081, 1087, 1100, 1106, 1112, 1118, 1124, 1130, 1136, 1142, 1148, 1154, 1160, 1166, 1172, 1178, 1184, 1190, 1196, 1209, 1211, 1214, 1220, 1226, 1232, 1238, 1244, 1250, 1256, 1262, 1268, 1274, 1280, 1286, 1292, 1298, 1304, 1317, 1323, 1329, 1335, 1341, 1347, 1353, 1359, 1365, 1371, 1377, 1383, 1389, 1395, 1401, 1407, 1413, 1426, 1432, 1438, 1444, 1450, 1456, 1462, 1468, 1474, 1481, 1489, 1496, 1502, 1508, 1514, 1520, 1526, 1539, 1545, 1551, 1557, 1563, 1569, 1575, 1581, 1588, 1597, 1607, 1616, 1623, 1629, 1635, 1641, 1647, 1660, 1666, 1672, 1678, 1684, 1690, 1696, 1703, 1712, 1723, 1735, 1746, 1755, 1762, 1768, 1774, 1780, 1793, 1799, 1805, 1811, 1817, 1823, 1830, 1839, 1850, 1863, 1877, 1890, 1901, 1910, 1917, 1923, 1929, 1942, 1948, 1954, 1960, 1966, 1973, 1982, 1993, 2006, 2021, 2037, 2052, 2065, 2076, 2085, 2092, 2098, 2111, 2117, 2123, 2129, 2136, 2145, 2156, 2169, 2184, 2201, 2219, 2236, 2251, 2264, 2275, 2284, 2291, 2304, 2306, 2309, 2315, 2322, 2331, 2342, 2355, 2370, 2387, 2406, 2426, 2445, 2462, 2477, 2490, 2501, 2510, 2524]
[2025-06-03 05:40:33] [INFO ] Actually due to overlaps returned [222, 415, 584, 733, 866, 987, 1100, 1209, 1317, 1426, 1539, 1660, 1793, 1942, 2111, 2304, 2524, 4, 1211, 2306]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 8653 ms to find 20 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2625/3606 places, 4206/5141 transitions.
Applied a total of 0 rules in 37 ms. Remains 2625 /2625 variables (removed 0) and now considering 4206/4206 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 9251 ms. Remains : 2625/3606 places, 4206/5141 transitions.
Initial state reduction rules removed 17 formulas.
RANDOM walk for 40000 steps (1574 resets) in 13704 ms. (2 steps per ms) remains 1946/4189 properties
BEST_FIRST walk for 124 steps (4 resets) in 20 ms. (5 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 27 ms. (4 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 21 ms. (5 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 23 ms. (5 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 21 ms. (5 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 18 ms. (6 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 19 ms. (6 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 11 ms. (10 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 16 ms. (7 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 21 ms. (5 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 17 ms. (6 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 13 ms. (8 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 14 ms. (8 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 11 ms. (10 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 12 ms. (9 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 13 ms. (8 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 14 ms. (8 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 1946/1946 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 1946/1946 properties
[2025-06-03 05:40:37] [INFO ] Flow matrix only has 3934 transitions (discarded 272 similar events)
// Phase 1: matrix 3934 rows 2625 cols
[2025-06-03 05:40:37] [INFO ] Computed 413 invariants in 149 ms
[2025-06-03 05:40:37] [INFO ] State equation strengthened by 1362 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1188 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 1946 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1188/6559 variables, and 28 constraints, problems are : Problem set: 0 solved, 1946 unsolved in 5229 ms.
Refiners :[Positive P Invariants (semi-flows): 28/31 constraints, Generalized P Invariants (flows): 0/382 constraints, State Equation: 0/2625 constraints, ReadFeed: 0/1362 constraints, PredecessorRefiner: 1946/1946 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1946 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1188 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 1946 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/6559 variables, and 28 constraints, problems are : Problem set: 0 solved, 1946 unsolved in 5053 ms.
Refiners :[Positive P Invariants (semi-flows): 28/31 constraints, Generalized P Invariants (flows): 0/382 constraints, State Equation: 0/2625 constraints, ReadFeed: 0/1362 constraints, PredecessorRefiner: 0/1946 constraints, Known Traps: 0/0 constraints]
After SMT, in 12921ms problems are : Problem set: 0 solved, 1946 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1188 out of 2625 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2625/2625 places, 4206/4206 transitions.
Discarding 627 places :
Symmetric choice reduction at 0 with 627 rule applications. Total rules 627 place count 1998 transition count 3579
Iterating global reduction 0 with 627 rules applied. Total rules applied 1254 place count 1998 transition count 3579
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1254 place count 1998 transition count 3576
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 1260 place count 1995 transition count 3576
Discarding 152 places :
Symmetric choice reduction at 0 with 152 rule applications. Total rules 1412 place count 1843 transition count 3120
Iterating global reduction 0 with 152 rules applied. Total rules applied 1564 place count 1843 transition count 3120
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 0 with 12 rules applied. Total rules applied 1576 place count 1843 transition count 3108
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 1588 place count 1831 transition count 3108
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 1 with 18 rules applied. Total rules applied 1606 place count 1831 transition count 3108
Applied a total of 1606 rules in 739 ms. Remains 1831 /2625 variables (removed 794) and now considering 3108/4206 (removed 1098) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 740 ms. Remains : 1831/2625 places, 3108/4206 transitions.
RANDOM walk for 777983 steps (34463 resets) in 120004 ms. (6 steps per ms) remains 1648/1946 properties
BEST_FIRST walk for 4004 steps (32 resets) in 166 ms. (23 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 154 ms. (25 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 151 ms. (26 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 134 ms. (29 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 143 ms. (27 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 121 ms. (32 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 141 ms. (28 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 120 ms. (33 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 118 ms. (33 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 141 ms. (28 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 120 ms. (33 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 125 ms. (31 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 167 ms. (23 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (31 resets) in 140 ms. (28 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (29 resets) in 135 ms. (29 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (27 resets) in 118 ms. (33 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 127 ms. (31 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (30 resets) in 165 ms. (24 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 151 ms. (26 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 135 ms. (29 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (26 resets) in 127 ms. (31 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 141 ms. (28 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (31 resets) in 147 ms. (27 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (25 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (26 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (25 resets) in 95 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (27 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 104 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4001 steps (25 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 124 ms. (32 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 107 ms. (37 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (25 resets) in 93 ms. (42 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4001 steps (26 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 95 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (31 resets) in 112 ms. (35 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 97 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 110 ms. (36 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (26 resets) in 97 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (28 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 95 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 97 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 96 ms. (41 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
[2025-06-03 05:41:23] [INFO ] Flow matrix only has 2825 transitions (discarded 283 similar events)
// Phase 1: matrix 2825 rows 1831 cols
[2025-06-03 05:41:23] [INFO ] Computed 413 invariants in 62 ms
[2025-06-03 05:41:23] [INFO ] State equation strengthened by 1058 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/915 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 1648 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 915/4656 variables, and 24 constraints, problems are : Problem set: 0 solved, 1648 unsolved in 45043 ms.
Refiners :[Positive P Invariants (semi-flows): 24/32 constraints, Generalized P Invariants (flows): 0/381 constraints, State Equation: 0/1831 constraints, ReadFeed: 0/1058 constraints, PredecessorRefiner: 1648/1648 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1648 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/915 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 1648 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/915 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1648 unsolved
At refinement iteration 2 (OVERLAPS) 440/1355 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 1648 unsolved
[2025-06-03 05:42:56] [INFO ] Deduced a trap composed of 36 places in 1635 ms of which 137 ms to minimize.
SMT process timed out in 92891ms, After SMT, problems are : Problem set: 0 solved, 1648 unsolved
Fused 1648 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 915 out of 1831 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1831/1831 places, 3108/3108 transitions.
Discarding 87 places :
Symmetric choice reduction at 0 with 87 rule applications. Total rules 87 place count 1744 transition count 3021
Iterating global reduction 0 with 87 rules applied. Total rules applied 174 place count 1744 transition count 3021
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 174 place count 1744 transition count 3018
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 180 place count 1741 transition count 3018
Discarding 86 places :
Symmetric choice reduction at 0 with 86 rule applications. Total rules 266 place count 1655 transition count 2760
Iterating global reduction 0 with 86 rules applied. Total rules applied 352 place count 1655 transition count 2760
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 355 place count 1655 transition count 2757
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 358 place count 1652 transition count 2757
Applied a total of 358 rules in 276 ms. Remains 1652 /1831 variables (removed 179) and now considering 2757/3108 (removed 351) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 277 ms. Remains : 1652/1831 places, 2757/3108 transitions.
RANDOM walk for 777201 steps (35017 resets) in 120007 ms. (6 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 122 ms. (32 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 134 ms. (29 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 116 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 117 ms. (33 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 115 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 115 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 115 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 115 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 125 ms. (31 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 114 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 134 ms. (29 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 115 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (32 resets) in 116 ms. (34 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (30 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (28 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 94 ms. (42 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 99 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (28 resets) in 110 ms. (36 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (28 resets) in 113 ms. (35 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (29 resets) in 113 ms. (35 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (27 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (27 resets) in 103 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (26 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 104 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (25 resets) in 98 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (29 resets) in 113 ms. (35 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (25 resets) in 99 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 105 ms. (37 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (27 resets) in 103 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 99 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 99 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (30 resets) in 112 ms. (35 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (28 resets) in 105 ms. (37 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 99 ms. (40 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (28 resets) in 103 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (26 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (28 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (28 resets) in 103 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4003 steps (27 resets) in 102 ms. (38 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4004 steps (27 resets) in 101 ms. (39 steps per ms) remains 1648/1648 properties
BEST_FIRST walk for 4002 steps (24 resets) in 100 ms. (39 steps per ms) remains 1648/1648 properties
Probably explored full state space saw : 149630 states, properties seen :0
Probabilistic random walk after 334799 steps, saw 149630 distinct states, run finished after 42891 ms. (steps per millisecond=7 ) properties seen :0
Explored full state space saw : 149633 states, properties seen :0
Exhaustive walk after 334805 steps, saw 149633 distinct states, run finished after 42112 ms. (steps per millisecond=7 ) properties seen :0
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK EXHAUSTIVE_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 269599 ms.
ITS solved all properties within timeout

BK_STOP 1748929492833

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="MultiCrashLeafsetExtension-PT-S16C03"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is MultiCrashLeafsetExtension-PT-S16C03, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r140-smll-174876533600182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S16C03.tgz
mv MultiCrashLeafsetExtension-PT-S16C03 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;