Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r175-smll-174889238700179.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-007008, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-174889238700179
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 436K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 9.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K 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 18K 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 1748991804868

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-007008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-03 23:03:26] [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 23:03:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:03:27] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-03 23:03:27] [INFO ] Transformed 39 places.
[2025-06-03 23:03:27] [INFO ] Transformed 31 transitions.
[2025-06-03 23:03:27] [INFO ] Parsed PT model containing 39 places and 31 transitions and 92 arcs in 244 ms.
Discarding 7 transitions out of 31. Remains 24
Built sparse matrix representations for Structural reductions in 9 ms.14515KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 39/39 places, 31/31 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 19 ms. Remains 39 /39 variables (removed 0) and now considering 31/31 (removed 0) transitions.
Running 23 sub problems to find dead transitions.
// Phase 1: matrix 31 rows 39 cols
[2025-06-03 23:03:27] [INFO ] Computed 16 invariants in 5 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 31/70 variables, 39/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 0/70 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 55 constraints, problems are : Problem set: 0 solved, 23 unsolved in 1175 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 31/70 variables, 39/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 23/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (OVERLAPS) 0/70 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 78 constraints, problems are : Problem set: 0 solved, 23 unsolved in 732 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1969ms problems are : Problem set: 0 solved, 23 unsolved
Search for dead transitions found 0 dead transitions in 1988ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2075 ms. Remains : 39/39 places, 31/31 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 39/39 places, 31/31 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 3 ms. Remains 39 /39 variables (removed 0) and now considering 31/31 (removed 0) transitions.
[2025-06-03 23:03:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:29] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-03 23:03:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:29] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:03:29] [INFO ] Redundant transitions in 0 ms returned []
Running 23 sub problems to find dead transitions.
[2025-06-03 23:03:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 31/70 variables, 39/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 0/70 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 55 constraints, problems are : Problem set: 0 solved, 23 unsolved in 705 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 31/70 variables, 39/55 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 23/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (OVERLAPS) 0/70 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 78 constraints, problems are : Problem set: 0 solved, 23 unsolved in 689 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1413ms problems are : Problem set: 0 solved, 23 unsolved
Search for dead transitions found 0 dead transitions in 1415ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1563 ms. Remains : 39/39 places, 31/31 transitions.
Random walk for 1250000 steps, including 0 resets, run took 950 ms (no deadlock found). (steps per millisecond=1315 )
Random directed walk for 1250001 steps, including 0 resets, run took 1022 ms (no deadlock found). (steps per millisecond=1223 )
[2025-06-03 23:03:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 23:03:32] [INFO ] [Real]Absence check using 16 positive place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 39/39 places, 31/31 transitions.
Graph (trivial) has 21 edges and 39 vertex of which 14 / 39 are part of one of the 7 SCC in 3 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 25 transition count 18
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 1 with 21 rules applied. Total rules applied 35 place count 11 transition count 11
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 41 place count 11 transition count 5
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 47 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 49 place count 4 transition count 4
Applied a total of 49 rules in 32 ms. Remains 4 /39 variables (removed 35) and now considering 4/31 (removed 27) transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-03 23:03:32] [INFO ] Computed 2 invariants in 1 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 59 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 52 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 116ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 116ms
[2025-06-03 23:03:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:33] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-03 23:03:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:33] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:03:33] [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 54 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 53 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 110ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 110ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/39 places, 4/31 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 320 ms. Remains : 4/39 places, 4/31 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 20 steps (0 resets) in 10 ms. (1 steps per ms) remains 0/2 properties
[2025-06-03 23:03:33] [INFO ] Flatten gal took : 22 ms
[2025-06-03 23:03:33] [INFO ] Flatten gal took : 3 ms
[2025-06-03 23:03:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5088737303298150635.gal : 5 ms
[2025-06-03 23:03:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11089484137730124134.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/ReachabilityCardinality5088737303298150635.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11089484137730124134.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 : 39/39 places, 31/31 transitions.
Graph (trivial) has 21 edges and 39 vertex of which 14 / 39 are part of one of the 7 SCC in 0 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 25 transition count 18
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 1 with 21 rules applied. Total rules applied 35 place count 11 transition count 11
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 6 rules applied. Total rules applied 41 place count 11 transition count 5
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 47 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 49 place count 4 transition count 4
Applied a total of 49 rules in 4 ms. Remains 4 /39 variables (removed 35) and now considering 4/31 (removed 27) transitions.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:03:33] [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 51 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 109ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 109ms
[2025-06-03 23:03:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:33] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-03 23:03:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:03:33] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:03:33] [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 54 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 65 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 122ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 123ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/39 places, 4/31 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 290 ms. Remains : 4/39 places, 4/31 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 23:03:33] [INFO ] Flatten gal took : 3 ms
[2025-06-03 23:03:33] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:03:33] [INFO ] Time to serialize gal into /tmp/CTLFireability17978525844484316657.gal : 1 ms
[2025-06-03 23:03:33] [INFO ] Time to serialize properties into /tmp/CTLFireability2158326253844483494.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/CTLFireability17978525844484316657.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2158326253844483494.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 -...284
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,48,0.023139,3240,2,17,5,350,5,0,21,327,0


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 0,1,0.027077,3496,1,0,5,418,12,0,121,327,5
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 7022 ms.

BK_STOP 1748991813985

--------------------
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-007008"
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-007008, 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-174889238700179"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-007008.tgz
mv RefineWMG-PT-007008 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 ;