Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r096-smll-177946996400142.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DBSingleClientW-PT-d2m08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996400142
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M Mar 3 18:30 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 1779530574969

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d2m08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 10:02:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 10:02:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:02:57] [INFO ] Load time of PNML (sax parser for PT used): 463 ms
[2026-05-23 10:02:57] [INFO ] Transformed 4763 places.
[2026-05-23 10:02:58] [INFO ] Transformed 2478 transitions.
[2026-05-23 10:02:58] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 693 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4763/4763 places, 2478/2478 transitions.
Reduce places removed 3626 places and 0 transitions.
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 3825 rules applied. Total rules applied 3825 place count 1137 transition count 2279
Applied a total of 3825 rules in 198 ms. Remains 1137 /4763 variables (removed 3626) and now considering 2279/2478 (removed 199) transitions.
// Phase 1: matrix 2279 rows 1137 cols
[2026-05-23 10:02:58] [INFO ] Computed 2 invariants in 129 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:03:00] [INFO ] Implicit Places using invariants in 2373 ms returned []
[2026-05-23 10:03:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:03:02] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2026-05-23 10:03:33] [INFO ] Performed 1098/1137 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 10:03:34] [INFO ] Implicit Places using invariants and state equation in 33471 ms returned []
Implicit Place search using SMT with State Equation took 35938 ms to find 0 implicit places.
Running 2278 sub problems to find dead transitions.
[2026-05-23 10:03:34] [INFO ] Invariant cache hit.
[2026-05-23 10:03:34] [INFO ] State equation strengthened by 1389 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30158 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 2278/462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2278 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30099 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 1816/462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66807ms problems are : Problem set: 0 solved, 2278 unsolved
Search for dead transitions found 0 dead transitions in 66861ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 103061 ms. Remains : 1137/4763 places, 2279/2478 transitions.
Discarding 1145 transitions out of 2279. Remains 1134
Initial state reduction rules removed 1 formulas.
[2026-05-23 10:04:44] [INFO ] Flatten gal took : 1136 ms
[2026-05-23 10:04:44] [INFO ] Flatten gal took : 440 ms
[2026-05-23 10:04:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13998416586738239365.gal : 82 ms
[2026-05-23 10:04:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16812701277163371964.prop : 22 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13998416586738239365.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16812701277163371964.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (9139 resets) in 12841 ms. (3 steps per ms) remains 1057/1133 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 1057/1057 properties
Loading property file /tmp/ReachabilityCardinality16812701277163371964.prop.
BEST_FIRST walk for 122 steps (10 resets) in 27 ms. (4 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 45 ms. (2 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 121 steps (11 resets) in 63 ms. (1 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (9 resets) in 44 ms. (2 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (12 resets) in 60 ms. (2 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (11 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 121 steps (11 resets) in 27 ms. (4 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (11 resets) in 21 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 37 ms. (3 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (9 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (12 resets) in 14 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 121 steps (12 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (9 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (11 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (8 resets) in 32 ms. (3 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (11 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (10 resets) in 21 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (11 resets) in 15 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (10 resets) in 17 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (11 resets) in 17 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 21 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (9 resets) in 14 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 20 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (10 resets) in 22 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 120 steps (12 resets) in 23 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (11 resets) in 21 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 16 ms. (7 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (10 resets) in 23 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 121 steps (11 resets) in 21 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (9 resets) in 12 ms. (9 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 120 steps (12 resets) in 23 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 123 steps (10 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (11 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (10 resets) in 22 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (12 resets) in 20 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (12 resets) in 22 ms. (5 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 124 steps (9 resets) in 25 ms. (4 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (11 resets) in 18 ms. (6 steps per ms) remains 1057/1057 properties
BEST_FIRST walk for 122 steps (10 resets) in 23 ms. (5 steps per ms) remains 1057/1057 properties
Probabilistic random walk after 30000 steps, saw 13951 distinct states, run finished after 2510 ms. (steps per millisecond=11 ) properties seen :330
[2026-05-23 10:04:48] [INFO ] Invariant cache hit.
[2026-05-23 10:04:49] [INFO ] State equation strengthened by 1389 read => feed constraints.
Reachability property qltransition_1835 is true.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Reachability property qltransition_15 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_3 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,1127 properties remain. new max is 2
SDD size :1 after 5
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_259 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,1125 properties remain. new max is 2
SDD size :5 after 24
Reachability property qltransition_1836 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,1122 properties remain. new max is 2
SDD size :24 after 40
SDD proceeding with computation,1122 properties remain. new max is 4
SDD size :40 after 56
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 746/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 727 unsolved in 5030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 727/358 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 727 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1122 properties remain. new max is 8
SDD size :56 after 88
SDD proceeding with computation,1122 properties remain. new max is 16
SDD size :88 after 118
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 746/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 727 unsolved in 5023 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 369/358 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12898ms problems are : Problem set: 0 solved, 727 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 746 out of 1137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1137/1137 places, 2279/2279 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 1076 transition count 2080
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 1076 transition count 2080
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 140 place count 1076 transition count 2062
Discarding 41 places :
Symmetric choice reduction at 1 with 41 rule applications. Total rules 181 place count 1035 transition count 2021
Iterating global reduction 1 with 41 rules applied. Total rules applied 222 place count 1035 transition count 2021
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 249 place count 1008 transition count 1987
Iterating global reduction 1 with 27 rules applied. Total rules applied 276 place count 1008 transition count 1987
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 297 place count 1008 transition count 1966
Applied a total of 297 rules in 709 ms. Remains 1008 /1137 variables (removed 129) and now considering 1966/2279 (removed 313) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 709 ms. Remains : 1008/1137 places, 1966/2279 transitions.
SDD proceeding with computation,1122 properties remain. new max is 32
SDD size :118 after 152
SDD proceeding with computation,1122 properties remain. new max is 64
SDD size :152 after 182
SDD proceeding with computation,1122 properties remain. new max is 128
SDD size :182 after 222
SDD proceeding with computation,1122 properties remain. new max is 256
SDD size :222 after 246
SDD proceeding with computation,1122 properties remain. new max is 512
SDD size :246 after 318
SDD proceeding with computation,1122 properties remain. new max is 1024
SDD size :318 after 420
RANDOM walk for 1400905 steps (321511 resets) in 120004 ms. (11 steps per ms) remains 703/727 properties
BEST_FIRST walk for 4003 steps (162 resets) in 128 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (173 resets) in 127 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (171 resets) in 124 ms. (32 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (180 resets) in 141 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (168 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (179 resets) in 146 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (174 resets) in 120 ms. (33 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (199 resets) in 103 ms. (38 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (191 resets) in 117 ms. (33 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (182 resets) in 99 ms. (40 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (165 resets) in 111 ms. (35 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (169 resets) in 102 ms. (38 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (178 resets) in 105 ms. (37 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (167 resets) in 119 ms. (33 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4001 steps (171 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (179 resets) in 139 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (186 resets) in 136 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (178 resets) in 119 ms. (33 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (169 resets) in 141 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (164 resets) in 128 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4001 steps (167 resets) in 123 ms. (32 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (172 resets) in 128 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (156 resets) in 122 ms. (32 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (182 resets) in 137 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (174 resets) in 135 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (168 resets) in 129 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (162 resets) in 110 ms. (36 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (185 resets) in 151 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (169 resets) in 138 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (200 resets) in 156 ms. (25 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (155 resets) in 127 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (169 resets) in 131 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (170 resets) in 135 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (173 resets) in 149 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (158 resets) in 114 ms. (34 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (152 resets) in 126 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (186 resets) in 155 ms. (25 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (172 resets) in 137 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (178 resets) in 121 ms. (32 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (162 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (182 resets) in 148 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (183 resets) in 147 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (167 resets) in 136 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (175 resets) in 141 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (169 resets) in 127 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (188 resets) in 114 ms. (34 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4001 steps (180 resets) in 115 ms. (34 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (163 resets) in 95 ms. (41 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (153 resets) in 92 ms. (43 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (195 resets) in 116 ms. (34 steps per ms) remains 703/703 properties
SDD proceeding with computation,1122 properties remain. new max is 2048
SDD size :420 after 596
Probabilistic random walk after 1000001 steps, saw 395720 distinct states, run finished after 22359 ms. (steps per millisecond=44 ) properties seen :600
// Phase 1: matrix 1966 rows 1008 cols
[2026-05-23 10:05:56] [INFO ] Computed 2 invariants in 58 ms
[2026-05-23 10:05:56] [INFO ] State equation strengthened by 1160 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 335/446 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Reachability property qltransition_1066 is true.
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 242/688 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:03] [INFO ] Deduced a trap composed of 262 places in 975 ms of which 216 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:04] [INFO ] Deduced a trap composed of 308 places in 694 ms of which 143 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1121 properties remain. new max is 2048
SDD size :596 after 1160
[2026-05-23 10:06:05] [INFO ] Deduced a trap composed of 263 places in 863 ms of which 129 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/688 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/688 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (OVERLAPS) 1070/1758 variables, 688/693 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Reachability property qltransition_2274 is true.
Reachability property qltransition_2269 is true.
Reachability property qltransition_2224 is true.
Reachability property qltransition_2223 is true.
Reachability property qltransition_2222 is true.
Reachability property qltransition_2221 is true.
Reachability property qltransition_2087 is true.
Reachability property qltransition_2086 is true.
Reachability property qltransition_2001 is true.
Reachability property qltransition_2000 is true.
Reachability property qltransition_1999 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/1758 variables, 264/957 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Reachability property qltransition_1812 is true.
Reachability property qltransition_1807 is true.
Reachability property qltransition_1624 is true.
Reachability property qltransition_1616 is true.
Reachability property qltransition_1065 is true.
Reachability property qltransition_1064 is true.
Reachability property qltransition_747 is true.
At refinement iteration 8 (INCLUDED_ONLY) 0/1758 variables, 0/957 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Reachability property qltransition_327 is true.
Reachability property qltransition_318 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_178 is true.
SDD proceeding with computation,1097 properties remain. new max is 2048
SDD size :1160 after 9986
At refinement iteration 9 (OVERLAPS) 1166/2924 variables, 295/1252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2924 variables, 871/2123 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2924/2974 variables, and 2123 constraints, problems are : Problem set: 0 solved, 103 unsolved in 45026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 983/1008 constraints, ReadFeed: 1135/1160 constraints, PredecessorRefiner: 103/55 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 335/446 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 242/688 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/688 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:45] [INFO ] Deduced a trap composed of 269 places in 876 ms of which 167 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/688 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/688 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (OVERLAPS) 1070/1758 variables, 688/694 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1758 variables, 264/958 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1758 variables, 11/969 constraints. Problems are: Problem set: 0 solved, 103 unsolved
SDD proceeding with computation,1097 properties remain. new max is 4096
SDD size :9986 after 16394
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:58] [INFO ] Deduced a trap composed of 146 places in 430 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:58] [INFO ] Deduced a trap composed of 147 places in 393 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:58] [INFO ] Deduced a trap composed of 192 places in 402 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:59] [INFO ] Deduced a trap composed of 147 places in 536 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:06:59] [INFO ] Deduced a trap composed of 192 places in 383 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:00] [INFO ] Deduced a trap composed of 155 places in 406 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:00] [INFO ] Deduced a trap composed of 166 places in 403 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:01] [INFO ] Deduced a trap composed of 147 places in 424 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:01] [INFO ] Deduced a trap composed of 147 places in 514 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:02] [INFO ] Deduced a trap composed of 193 places in 357 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:02] [INFO ] Deduced a trap composed of 237 places in 368 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:03] [INFO ] Deduced a trap composed of 193 places in 404 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:03] [INFO ] Deduced a trap composed of 193 places in 373 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:03] [INFO ] Deduced a trap composed of 200 places in 347 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:04] [INFO ] Deduced a trap composed of 193 places in 352 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:04] [INFO ] Deduced a trap composed of 211 places in 349 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:05] [INFO ] Deduced a trap composed of 156 places in 376 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:05] [INFO ] Deduced a trap composed of 200 places in 409 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:06] [INFO ] Deduced a trap composed of 201 places in 397 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:06] [INFO ] Deduced a trap composed of 201 places in 381 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1758 variables, 20/989 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:15] [INFO ] Deduced a trap composed of 193 places in 381 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:15] [INFO ] Deduced a trap composed of 167 places in 436 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:15] [INFO ] Deduced a trap composed of 156 places in 406 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:16] [INFO ] Deduced a trap composed of 148 places in 430 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:17] [INFO ] Deduced a trap composed of 148 places in 453 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:17] [INFO ] Deduced a trap composed of 156 places in 420 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:18] [INFO ] Deduced a trap composed of 167 places in 404 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:18] [INFO ] Deduced a trap composed of 193 places in 376 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:19] [INFO ] Deduced a trap composed of 194 places in 384 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:19] [INFO ] Deduced a trap composed of 201 places in 374 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:20] [INFO ] Deduced a trap composed of 238 places in 364 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:20] [INFO ] Deduced a trap composed of 245 places in 366 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:21] [INFO ] Deduced a trap composed of 238 places in 360 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:21] [INFO ] Deduced a trap composed of 256 places in 357 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:21] [INFO ] Deduced a trap composed of 174 places in 410 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:22] [INFO ] Deduced a trap composed of 167 places in 403 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:22] [INFO ] Deduced a trap composed of 212 places in 378 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:23] [INFO ] Deduced a trap composed of 212 places in 370 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:24] [INFO ] Deduced a trap composed of 193 places in 687 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:07:24] [INFO ] Deduced a trap composed of 238 places in 357 ms of which 11 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1758 variables, 20/1009 constraints. Problems are: Problem set: 0 solved, 103 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1758/2974 variables, and 1009 constraints, problems are : Problem set: 0 solved, 103 unsolved in 45020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 688/1008 constraints, ReadFeed: 264/1160 constraints, PredecessorRefiner: 59/55 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90410ms problems are : Problem set: 0 solved, 103 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 111 out of 1008 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1008/1008 places, 1966/1966 transitions.
Graph (complete) has 3634 edges and 1008 vertex of which 1007 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 1007 transition count 1949
Discarding 281 places :
Symmetric choice reduction at 1 with 281 rule applications. Total rules 299 place count 726 transition count 1170
Iterating global reduction 1 with 281 rules applied. Total rules applied 580 place count 726 transition count 1170
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 588 place count 726 transition count 1162
Discarding 226 places :
Symmetric choice reduction at 2 with 226 rule applications. Total rules 814 place count 500 transition count 936
Iterating global reduction 2 with 226 rules applied. Total rules applied 1040 place count 500 transition count 936
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1052 place count 500 transition count 924
Discarding 177 places :
Symmetric choice reduction at 3 with 177 rule applications. Total rules 1229 place count 323 transition count 672
Iterating global reduction 3 with 177 rules applied. Total rules applied 1406 place count 323 transition count 672
Ensure Unique test removed 168 transitions
Reduce isomorphic transitions removed 168 transitions.
Iterating post reduction 3 with 168 rules applied. Total rules applied 1574 place count 323 transition count 504
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 1594 place count 303 transition count 473
Iterating global reduction 4 with 20 rules applied. Total rules applied 1614 place count 303 transition count 473
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1620 place count 303 transition count 467
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1632 place count 291 transition count 455
Iterating global reduction 5 with 12 rules applied. Total rules applied 1644 place count 291 transition count 455
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1645 place count 291 transition count 454
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1656 place count 280 transition count 443
Iterating global reduction 6 with 11 rules applied. Total rules applied 1667 place count 280 transition count 443
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1680 place count 280 transition count 430
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1684 place count 276 transition count 404
Iterating global reduction 7 with 4 rules applied. Total rules applied 1688 place count 276 transition count 404
Applied a total of 1688 rules in 198 ms. Remains 276 /1008 variables (removed 732) and now considering 404/1966 (removed 1562) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 276/1008 places, 404/1966 transitions.
RANDOM walk for 4000000 steps (918379 resets) in 64063 ms. (62 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1798 resets) in 202 ms. (197 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1801 resets) in 268 ms. (148 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1801 resets) in 213 ms. (186 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1788 resets) in 202 ms. (197 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1826 resets) in 252 ms. (158 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1821 resets) in 203 ms. (196 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1775 resets) in 241 ms. (165 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1746 resets) in 234 ms. (170 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1799 resets) in 213 ms. (186 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1799 resets) in 244 ms. (163 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1752 resets) in 214 ms. (186 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1769 resets) in 227 ms. (175 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1821 resets) in 280 ms. (142 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1774 resets) in 305 ms. (130 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1809 resets) in 316 ms. (126 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1784 resets) in 278 ms. (143 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1802 resets) in 243 ms. (163 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1734 resets) in 293 ms. (136 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1830 resets) in 251 ms. (158 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1760 resets) in 311 ms. (128 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1811 resets) in 276 ms. (144 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1792 resets) in 219 ms. (181 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1841 resets) in 252 ms. (158 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1791 resets) in 215 ms. (185 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1820 resets) in 284 ms. (140 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1747 resets) in 296 ms. (134 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1750 resets) in 261 ms. (152 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1709 resets) in 188 ms. (211 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1846 resets) in 217 ms. (183 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1751 resets) in 197 ms. (202 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1849 resets) in 247 ms. (161 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1781 resets) in 249 ms. (160 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1788 resets) in 206 ms. (193 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1759 resets) in 248 ms. (160 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1871 resets) in 200 ms. (199 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1816 resets) in 225 ms. (177 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1750 resets) in 245 ms. (162 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1822 resets) in 203 ms. (196 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1793 resets) in 279 ms. (142 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1776 resets) in 203 ms. (196 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1747 resets) in 229 ms. (173 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1753 resets) in 198 ms. (201 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1838 resets) in 191 ms. (208 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1815 resets) in 246 ms. (161 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1803 resets) in 241 ms. (165 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1806 resets) in 198 ms. (201 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1782 resets) in 262 ms. (152 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1760 resets) in 193 ms. (206 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3809 resets) in 333 ms. (119 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3834 resets) in 320 ms. (124 steps per ms) remains 103/103 properties
Reachability property qltransition_1617 is true.
Finished probabilistic random walk after 342472 steps, run visited all 103 properties in 4572 ms. (steps per millisecond=74 )
Probabilistic random walk after 342472 steps, saw 138423 distinct states, run finished after 4579 ms. (steps per millisecond=74 ) properties seen :103
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1134 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 295877 ms.

BK_STOP 1779530873235

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DBSingleClientW-PT-d2m08"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is DBSingleClientW-PT-d2m08, 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 r096-smll-177946996400142"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m08.tgz
mv DBSingleClientW-PT-d2m08 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 ;