Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r133-smll-174876529800374.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Murphy-PT-D3N050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r133-smll-174876529800374
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 15K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748894748257

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Murphy-PT-D3N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-02 20:05:50] [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]
[2025-06-02 20:05:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 20:05:51] [INFO ] Load time of PNML (sax parser for PT used): 83 ms
[2025-06-02 20:05:51] [INFO ] Transformed 24 places.
[2025-06-02 20:05:51] [INFO ] Transformed 28 transitions.
[2025-06-02 20:05:51] [INFO ] Parsed PT model containing 24 places and 28 transitions and 108 arcs in 428 ms.
Discarding 12 transitions out of 28. Remains 16
Built sparse matrix representations for Structural reductions in 10 ms.14709KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 28/28 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 26 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
// Phase 1: matrix 28 rows 24 cols
[2025-06-02 20:05:51] [INFO ] Computed 5 invariants in 8 ms
[2025-06-02 20:05:51] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 37 constraints, problems are : Problem set: 0 solved, 16 unsolved in 1087 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 53 constraints, problems are : Problem set: 0 solved, 16 unsolved in 854 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2023ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 2051ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2167 ms. Remains : 24/24 places, 28/28 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 28/28 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 7 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2025-06-02 20:05:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:05:53] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-02 20:05:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:05:53] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-02 20:05:53] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 20:05:53] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-06-02 20:05:53] [INFO ] Invariant cache hit.
[2025-06-02 20:05:53] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 37 constraints, problems are : Problem set: 0 solved, 16 unsolved in 601 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 53 constraints, problems are : Problem set: 0 solved, 16 unsolved in 700 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1317ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 1318ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1468 ms. Remains : 24/24 places, 28/28 transitions.
Random walk for 1250076 steps, including 0 resets, run took 1047 ms (no deadlock found). (steps per millisecond=1193 )
Random directed walk for 1250000 steps, including 0 resets, run took 1003 ms (no deadlock found). (steps per millisecond=1246 )
[2025-06-02 20:05:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-02 20:05:57] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 20:05:57] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-02 20:05:57] [INFO ] [Real]Absence check using state equation in 17 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2025-06-02 20:05:57] [INFO ] Invariant cache hit.
[2025-06-02 20:05:57] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 37 constraints, problems are : Problem set: 0 solved, 16 unsolved in 429 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 53 constraints, problems are : Problem set: 0 solved, 16 unsolved in 643 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1083ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 1083ms
[2025-06-02 20:05:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:05:58] [INFO ] Implicit Places using invariants in 68 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 73 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1160 ms. Remains : 20/24 places, 28/28 transitions.
Discarding 12 transitions out of 28. Remains 16
Initial state reduction rules removed 8 formulas.
RANDOM walk for 40041 steps (8 resets) in 604 ms. (66 steps per ms) remains 4/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 284 ms. (140 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 283 ms. (140 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 164 ms. (242 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 4/4 properties
// Phase 1: matrix 28 rows 20 cols
[2025-06-02 20:05:59] [INFO ] Computed 1 invariants in 1 ms
[2025-06-02 20:05:59] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 20:05:59] [INFO ] Flatten gal took : 41 ms
[2025-06-02 20:05:59] [INFO ] Flatten gal took : 16 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2025-06-02 20:05:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2696892588332950855.gal : 13 ms
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2025-06-02 20:05:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17100525596729928733.prop : 1 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/ReachabilityCardinality2696892588332950855.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17100525596729928733.prop' '--nowitness' '--gen-order' 'FOLLOW'

All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
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/ReachabilityCardinality17100525596729928733.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :192 after 30630
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 12/40 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 8/48 variables, 8/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 4 unsolved in 592 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :30630 after 243534
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 12/40 variables, 4/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 8/48 variables, 8/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 33 constraints, problems are : Problem set: 0 solved, 4 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 845ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 91 ms.
Support contains 8 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 12 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 12 transition count 16
Applied a total of 5 rules in 43 ms. Remains 12 /20 variables (removed 8) and now considering 16/28 (removed 12) transitions.
Running 12 sub problems to find dead transitions.
// Phase 1: matrix 16 rows 12 cols
[2025-06-02 20:06:00] [INFO ] Computed 0 invariants in 1 ms
[2025-06-02 20:06:00] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 16 constraints, problems are : Problem set: 0 solved, 12 unsolved in 307 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 16/24 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 4/28 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 339 ms.
Refiners :[State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 659ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 660ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 704 ms. Remains : 12/20 places, 16/28 transitions.
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
RANDOM walk for 4000003 steps (8 resets) in 12746 ms. (313 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 3730 ms. (1072 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 4615 ms. (866 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4012 ms. (996 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 2915 ms. (1371 steps per ms) remains 4/4 properties
Probably explored full state space saw : 1296 states, properties seen :0
Probabilistic random walk after 8208 steps, saw 1296 distinct states, run finished after 51 ms. (steps per millisecond=160 ) properties seen :0
Explored full state space saw : 1296 states, properties seen :0
Exhaustive walk after 8208 steps, saw 1296 distinct states, run finished after 41 ms. (steps per millisecond=200 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 19562 ms.

BK_STOP 1748894770498

--------------------
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="Murphy-PT-D3N050"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Murphy-PT-D3N050, 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 r133-smll-174876529800374"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D3N050.tgz
mv Murphy-PT-D3N050 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 ;