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-177946996500169.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 Dekker-PT-020, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996500169
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 8.6K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 4 18:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 247K 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 Liveness

=== Now, execution of the tool begins

BK_START 1779531278103

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Dekker-PT-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-23 10:14:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 10:14:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:14:41] [INFO ] Load time of PNML (sax parser for PT used): 247 ms
[2026-05-23 10:14:41] [INFO ] Transformed 100 places.
[2026-05-23 10:14:41] [INFO ] Transformed 440 transitions.
[2026-05-23 10:14:41] [INFO ] Found NUPN structural information;
[2026-05-23 10:14:41] [INFO ] Parsed PT model containing 100 places and 440 transitions and 3240 arcs in 487 ms.
Built sparse matrix representations for Structural reductions in 16 ms.12817KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 100/100 places, 440/440 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 143 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 172 ms. Remains : 100/100 places, 440/440 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 100/100 places, 440/440 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 49 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-23 10:14:41] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 100 cols
[2026-05-23 10:14:41] [INFO ] Computed 60 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:14:42] [INFO ] Implicit Places using invariants in 433 ms returned []
[2026-05-23 10:14:42] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-23 10:14:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:14:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 10:14:42] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 10:14:42] [INFO ] Redundant transitions in 50 ms returned []
Running 420 sub problems to find dead transitions.
[2026-05-23 10:14:42] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-23 10:14:42] [INFO ] Invariant cache hit.
[2026-05-23 10:14:42] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:46] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:47] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:47] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:49] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 20/160 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:50] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:51] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 20/180 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:53] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:54] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:54] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:54] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:14:54] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/80 variables, 10/190 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/80 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (OVERLAPS) 20/100 variables, 20/210 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 20/230 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/100 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 11 (OVERLAPS) 80/180 variables, 100/330 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/350 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 180/180 variables, and 350 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30052 ms.
Refiners :[Domain max(s): 100/100 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 100/100 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 20/100 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 70/190 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (OVERLAPS) 20/100 variables, 20/210 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 20/230 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (OVERLAPS) 80/180 variables, 100/330 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 20/350 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/180 variables, 420/770 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:25] [INFO ] Deduced a trap composed of 4 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:26] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/180 variables, 20/790 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:28] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:29] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:29] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:29] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 20/810 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:30] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:30] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:30] [INFO ] Deduced a trap composed of 4 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:31] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:32] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:32] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:32] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:32] [INFO ] Deduced a trap composed of 4 places in 36 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/180 variables, 20/830 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:34] [INFO ] Deduced a trap composed of 4 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:34] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:34] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:34] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:34] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:35] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:36] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:37] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/180 variables, 20/850 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:39] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:40] [INFO ] Deduced a trap composed of 4 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:40] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:41] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:42] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:42] [INFO ] Deduced a trap composed of 4 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:42] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 10:15:42] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 180/180 variables, and 863 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30033 ms.
Refiners :[Domain max(s): 100/100 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 100/100 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 163/163 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60627ms problems are : Problem set: 0 solved, 420 unsolved
Search for dead transitions found 0 dead transitions in 60672ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 61578 ms. Remains : 100/100 places, 440/440 transitions.
Random walk for 1250000 steps, including 0 resets, run took 7547 ms (no deadlock found). (steps per millisecond=165 )
Random directed walk for 1250006 steps, including 0 resets, run took 8787 ms (no deadlock found). (steps per millisecond=142 )
[2026-05-23 10:15:59] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-23 10:15:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-23 10:15:59] [INFO ] [Real]Absence check using 40 positive place invariants in 17 ms returned sat
[2026-05-23 10:15:59] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 3 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 5 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-23 10:15:59] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-23 10:15:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:16:00] [INFO ] Implicit Places using invariants in 466 ms returned [40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 472 ms to find 20 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 80/100 places, 440/440 transitions.
Applied a total of 0 rules in 6 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 483 ms. Remains : 80/100 places, 440/440 transitions.
Discarding 20 transitions out of 440. Remains 420
[2026-05-23 10:16:01] [INFO ] Flatten gal took : 191 ms
[2026-05-23 10:16:01] [INFO ] Flatten gal took : 117 ms
[2026-05-23 10:16:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8280913349784006001.gal : 58 ms
[2026-05-23 10:16:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11447303170244572604.prop : 30 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/ReachabilityCardinality8280913349784006001.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11447303170244572604.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 ...329
Loading property file /tmp/ReachabilityCardinality11447303170244572604.prop.
RANDOM walk for 40000 steps (8 resets) in 4616 ms. (8 steps per ms) remains 31/420 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 29/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 26/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 24/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 22/24 properties
Reachability property qltransition_42 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,416 properties remain. new max is 2
SDD size :1 after 4
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 20/22 properties
Reachability property qltransition_64 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 19/20 properties
Reachability property qltransition_45 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,411 properties remain. new max is 2
SDD size :4 after 8
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 17/19 properties
Reachability property qltransition_86 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,404 properties remain. new max is 2
SDD size :8 after 16
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/17 properties
Reachability property qltransition_108 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_88 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,395 properties remain. new max is 2
SDD size :16 after 32
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 13/15 properties
Reachability property qltransition_130 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_112 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,384 properties remain. new max is 2
SDD size :32 after 64
Reachability property qltransition_152 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_133 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,371 properties remain. new max is 2
SDD size :64 after 128
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 11/13 properties
Reachability property qltransition_174 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_154 is true.
Reachability property qltransition_138 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_94 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_6 is true.
SDD proceeding with computation,356 properties remain. new max is 2
SDD size :128 after 256
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 9/11 properties
Reachability property qltransition_196 is true.
Reachability property qltransition_183 is true.
Reachability property qltransition_182 is true.
Reachability property qltransition_181 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_178 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_161 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,339 properties remain. new max is 2
SDD size :256 after 512
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 7/9 properties
Reachability property qltransition_218 is true.
Reachability property qltransition_206 is true.
Reachability property qltransition_205 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_203 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_201 is true.
Reachability property qltransition_200 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_184 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 6/7 properties
Reachability property qltransition_162 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,320 properties remain. new max is 2
SDD size :512 after 1024
Reachability property qltransition_240 is true.
Reachability property qltransition_229 is true.
Reachability property qltransition_228 is true.
Reachability property qltransition_227 is true.
Reachability property qltransition_226 is true.
Reachability property qltransition_225 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_207 is true.
Reachability property qltransition_185 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 4/6 properties
Reachability property qltransition_163 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,299 properties remain. new max is 2
SDD size :1024 after 2048
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 1/2 properties
BEST_FIRST walk for 168 steps (0 resets) in 4 ms. (33 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
Reachability property qltransition_262 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_249 is true.
Reachability property qltransition_248 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_246 is true.
Reachability property qltransition_245 is true.
Reachability property qltransition_244 is true.
Reachability property qltransition_243 is true.
Reachability property qltransition_242 is true.
Reachability property qltransition_230 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_186 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_142 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_32 is true.
Reachability property qltransition_10 is true.
SDD proceeding with computation,276 properties remain. new max is 2
SDD size :2048 after 4096
Reachability property qltransition_284 is true.
Reachability property qltransition_275 is true.
Reachability property qltransition_274 is true.
Reachability property qltransition_273 is true.
Reachability property qltransition_272 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_267 is true.
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_253 is true.
Reachability property qltransition_231 is true.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 420 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 4 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-23 10:16:01] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-23 10:16:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:16:02] [INFO ] Implicit Places using invariants in 284 ms returned [40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 285 ms to find 20 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 80/100 places, 440/440 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 294 ms. Remains : 80/100 places, 440/440 transitions.
Discarding 20 transitions out of 440. Remains 420
Net is quasi-live, checking if it is reversible to establish liveness.
[2026-05-23 10:16:02] [INFO ] Flatten gal took : 52 ms
[2026-05-23 10:16:02] [INFO ] Flatten gal took : 46 ms
[2026-05-23 10:16:02] [INFO ] Time to serialize gal into /tmp/CTLFireability12239018658189763050.gal : 12 ms
[2026-05-23 10:16:02] [INFO ] Time to serialize properties into /tmp/CTLFireability17037282294993219536.ctl : 3 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12239018658189763050.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17037282294993219536.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.15343e+07,0.157591,8928,2,252,5,7566,6,0,763,3181,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((flag_0_0==1)&&(flag_1_0==0))&&((flag_0_1==1)&&(flag_1_1==0)))&&(((flag_0_2==1)&&(flag_1_2==0))&&((flag_0_3==1)&&(flag_1_3==...1262
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((flag_0_0==1)&&(flag_1_0==0))&&((flag_0_1==1)&&(flag_1_1==0)))&&(((flag_0_...1322
Reverse transition relation is NOT exact ! Due to transitions exit_0, exit_1, exit_2, exit_3, exit_4, exit_5, exit_6, exit_7, exit_8, exit_9, exit_10, exit...332
(forward)formula 0,1,0.669259,14944,1,0,910,71835,901,444,7068,42360,894
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS BESTFIRST_WALK TOPOLOGICAL QUASI_LIVE_REVERSIBLE
Total runtime 82265 ms.

BK_STOP 1779531362968

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="Dekker-PT-020"
export BK_EXAMINATION="Liveness"
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 Dekker-PT-020, examination is Liveness"
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-177946996500169"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-020.tgz
mv Dekker-PT-020 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;