Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r175-smll-174889238700189.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is RefineWMG-PT-010011, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-174889238700189
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K 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 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 24K 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 1748991883369

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=RefineWMG-PT-010011
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-03 23:04:45] [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]
[2025-06-03 23:04:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:04:45] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2025-06-03 23:04:45] [INFO ] Transformed 54 places.
[2025-06-03 23:04:45] [INFO ] Transformed 43 transitions.
[2025-06-03 23:04:45] [INFO ] Parsed PT model containing 54 places and 43 transitions and 128 arcs in 255 ms.
Discarding 10 transitions out of 43. Remains 33
Built sparse matrix representations for Structural reductions in 10 ms.14886KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 43/43 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 22 ms. Remains 54 /54 variables (removed 0) and now considering 43/43 (removed 0) transitions.
Running 32 sub problems to find dead transitions.
// Phase 1: matrix 43 rows 54 cols
[2025-06-03 23:04:45] [INFO ] Computed 22 invariants in 7 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (OVERLAPS) 2/54 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 43/97 variables, 54/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (OVERLAPS) 0/97 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Real declared 97/97 variables, and 76 constraints, problems are : Problem set: 0 solved, 32 unsolved in 1637 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (OVERLAPS) 2/54 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 43/97 variables, 54/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 32/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 7 (OVERLAPS) 0/97 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Int declared 97/97 variables, and 108 constraints, problems are : Problem set: 0 solved, 32 unsolved in 1500 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3225ms problems are : Problem set: 0 solved, 32 unsolved
Search for dead transitions found 0 dead transitions in 3245ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3340 ms. Remains : 54/54 places, 43/43 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 43/43 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 4 ms. Remains 54 /54 variables (removed 0) and now considering 43/43 (removed 0) transitions.
[2025-06-03 23:04:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:49] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-03 23:04:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:49] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:04:49] [INFO ] Redundant transitions in 1 ms returned []
Running 32 sub problems to find dead transitions.
[2025-06-03 23:04:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (OVERLAPS) 2/54 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 43/97 variables, 54/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (OVERLAPS) 0/97 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Real declared 97/97 variables, and 76 constraints, problems are : Problem set: 0 solved, 32 unsolved in 1121 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (OVERLAPS) 2/54 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (OVERLAPS) 43/97 variables, 54/76 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 32/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 7 (OVERLAPS) 0/97 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 32 unsolved
No progress, stopping.
After SMT solving in domain Int declared 97/97 variables, and 108 constraints, problems are : Problem set: 0 solved, 32 unsolved in 1044 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2183ms problems are : Problem set: 0 solved, 32 unsolved
Search for dead transitions found 0 dead transitions in 2185ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2351 ms. Remains : 54/54 places, 43/43 transitions.
Random walk for 1250007 steps, including 0 resets, run took 1128 ms (no deadlock found). (steps per millisecond=1108 )
Random directed walk for 1250003 steps, including 0 resets, run took 1272 ms (no deadlock found). (steps per millisecond=982 )
[2025-06-03 23:04:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 23:04:53] [INFO ] [Real]Absence check using 22 positive place invariants in 3 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 54/54 places, 43/43 transitions.
Graph (trivial) has 30 edges and 54 vertex of which 20 / 54 are part of one of the 10 SCC in 3 ms
Free SCC test removed 10 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 34 transition count 24
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 1 with 30 rules applied. Total rules applied 50 place count 14 transition count 14
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 9 rules applied. Total rules applied 59 place count 14 transition count 5
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 68 place count 5 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 70 place count 4 transition count 4
Applied a total of 70 rules in 30 ms. Remains 4 /54 variables (removed 50) and now considering 4/43 (removed 39) transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-03 23:04:53] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 99ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 100ms
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:54] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:54] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 120ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 120ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/54 places, 4/43 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 306 ms. Remains : 4/54 places, 4/43 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 20 steps (0 resets) in 7 ms. (2 steps per ms) remains 0/2 properties
[2025-06-03 23:04:54] [INFO ] Flatten gal took : 23 ms
[2025-06-03 23:04:54] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:04:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6452909317532493489.gal : 5 ms
[2025-06-03 23:04:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11368864506834187228.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/ReachabilityCardinality6452909317532493489.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11368864506834187228.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 4 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 54/54 places, 43/43 transitions.
Graph (trivial) has 30 edges and 54 vertex of which 20 / 54 are part of one of the 10 SCC in 0 ms
Free SCC test removed 10 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 34 transition count 24
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 1 with 30 rules applied. Total rules applied 50 place count 14 transition count 14
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 9 rules applied. Total rules applied 59 place count 14 transition count 5
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 68 place count 5 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 70 place count 4 transition count 4
Applied a total of 70 rules in 5 ms. Remains 4 /54 variables (removed 50) and now considering 4/43 (removed 39) transitions.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 119ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 120ms
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:54] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:04:54] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 104ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/54 places, 4/43 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 284 ms. Remains : 4/54 places, 4/43 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2025-06-03 23:04:54] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:04:54] [INFO ] Flatten gal took : 1 ms
[2025-06-03 23:04:54] [INFO ] Time to serialize gal into /tmp/CTLFireability18044658245875960596.gal : 0 ms
[2025-06-03 23:04:54] [INFO ] Time to serialize properties into /tmp/CTLFireability509460477560466203.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18044658245875960596.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability509460477560466203.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 -...283
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,48,0.019753,3616,2,17,5,350,5,0,21,327,0


Converting to forward existential form...Done !
original formula: AG(EF(((pprime==7)&&(psecond==5))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pprime==7)&&(psecond==5)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.023383,4000,1,0,5,418,12,0,121,327,5
Formula is TRUE !

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

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 9523 ms.

BK_STOP 1748991894968

--------------------
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="RefineWMG-PT-010011"
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 RefineWMG-PT-010011, 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 r175-smll-174889238700189"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-010011.tgz
mv RefineWMG-PT-010011 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 ;