Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r175-smll-174889238800214.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-050050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-174889238800214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K 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 28K 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 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K 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 110K 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 1748992107304

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-050050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-03 23:08:29] [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 23:08:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:08:29] [INFO ] Load time of PNML (sax parser for PT used): 136 ms
[2025-06-03 23:08:29] [INFO ] Transformed 254 places.
[2025-06-03 23:08:29] [INFO ] Transformed 203 transitions.
[2025-06-03 23:08:29] [INFO ] Parsed PT model containing 254 places and 203 transitions and 608 arcs in 301 ms.
Discarding 50 transitions out of 203. Remains 153
Built sparse matrix representations for Structural reductions in 8 ms.17094KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 254/254 places, 203/203 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 36 ms. Remains 254 /254 variables (removed 0) and now considering 203/203 (removed 0) transitions.
Running 152 sub problems to find dead transitions.
// Phase 1: matrix 203 rows 254 cols
[2025-06-03 23:08:29] [INFO ] Computed 102 invariants in 16 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/252 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 2/254 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (OVERLAPS) 203/457 variables, 254/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (OVERLAPS) 0/457 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 457/457 variables, and 356 constraints, problems are : Problem set: 0 solved, 152 unsolved in 14850 ms.
Refiners :[Positive P Invariants (semi-flows): 102/102 constraints, State Equation: 254/254 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/252 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 2/254 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (OVERLAPS) 203/457 variables, 254/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 152/508 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/457 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 7 (OVERLAPS) 0/457 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Int declared 457/457 variables, and 508 constraints, problems are : Problem set: 0 solved, 152 unsolved in 15394 ms.
Refiners :[Positive P Invariants (semi-flows): 102/102 constraints, State Equation: 254/254 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30383ms problems are : Problem set: 0 solved, 152 unsolved
Search for dead transitions found 0 dead transitions in 30430ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 30538 ms. Remains : 254/254 places, 203/203 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 254/254 places, 203/203 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 11 ms. Remains 254 /254 variables (removed 0) and now considering 203/203 (removed 0) transitions.
[2025-06-03 23:09:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:00] [INFO ] Implicit Places using invariants in 115 ms returned []
[2025-06-03 23:09:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:00] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:09:00] [INFO ] Redundant transitions in 10 ms returned []
Running 152 sub problems to find dead transitions.
[2025-06-03 23:09:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/252 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 2/254 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (OVERLAPS) 203/457 variables, 254/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (OVERLAPS) 0/457 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 457/457 variables, and 356 constraints, problems are : Problem set: 0 solved, 152 unsolved in 14462 ms.
Refiners :[Positive P Invariants (semi-flows): 102/102 constraints, State Equation: 254/254 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 152 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/252 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/252 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 2 (OVERLAPS) 2/254 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 4 (OVERLAPS) 203/457 variables, 254/356 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 152/508 constraints. Problems are: Problem set: 0 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/457 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 152 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 457/457 variables, and 508 constraints, problems are : Problem set: 0 solved, 152 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 102/102 constraints, State Equation: 254/254 constraints, PredecessorRefiner: 152/152 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44531ms problems are : Problem set: 0 solved, 152 unsolved
Search for dead transitions found 0 dead transitions in 44533ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 44911 ms. Remains : 254/254 places, 203/203 transitions.
Random walk for 1250031 steps, including 0 resets, run took 2912 ms (no deadlock found). (steps per millisecond=429 )
Random directed walk for 1250029 steps, including 0 resets, run took 5246 ms (no deadlock found). (steps per millisecond=238 )
[2025-06-03 23:09:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 23:09:53] [INFO ] [Real]Absence check using 102 positive place invariants in 11 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 254/254 places, 203/203 transitions.
Graph (trivial) has 150 edges and 254 vertex of which 100 / 254 are part of one of the 50 SCC in 5 ms
Free SCC test removed 50 places
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 154 transition count 104
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 1 with 150 rules applied. Total rules applied 250 place count 54 transition count 54
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 1 with 49 rules applied. Total rules applied 299 place count 54 transition count 5
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 348 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 350 place count 4 transition count 4
Applied a total of 350 rules in 51 ms. Remains 4 /254 variables (removed 250) and now considering 4/203 (removed 199) transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-03 23:09:53] [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 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 80 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 136ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 136ms
[2025-06-03 23:09:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:53] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-03 23:09:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:53] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:09:53] [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 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 109ms 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 : 4/254 places, 4/203 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 361 ms. Remains : 4/254 places, 4/203 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 20 steps (0 resets) in 9 ms. (2 steps per ms) remains 0/2 properties
[2025-06-03 23:09:54] [INFO ] Flatten gal took : 23 ms
[2025-06-03 23:09:54] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:09:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1893379000776753515.gal : 5 ms
[2025-06-03 23:09:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3527195086222304101.prop : 0 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/ReachabilityCardinality1893379000776753515.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3527195086222304101.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 : 254/254 places, 203/203 transitions.
Graph (trivial) has 150 edges and 254 vertex of which 100 / 254 are part of one of the 50 SCC in 1 ms
Free SCC test removed 50 places
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 154 transition count 104
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 1 with 150 rules applied. Total rules applied 250 place count 54 transition count 54
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 1 with 49 rules applied. Total rules applied 299 place count 54 transition count 5
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 348 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 350 place count 4 transition count 4
Applied a total of 350 rules in 16 ms. Remains 4 /254 variables (removed 250) and now considering 4/203 (removed 199) transitions.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:09:54] [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 63 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 48 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 115ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 115ms
[2025-06-03 23:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:54] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 23:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:09:54] [INFO ] Implicit Places using invariants and state equation in 30 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 23:09:54] [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 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 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 45 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
Starting structural reductions in LIVENESS mode, iteration 1 : 4/254 places, 4/203 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 296 ms. Remains : 4/254 places, 4/203 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 23:09:54] [INFO ] Flatten gal took : 3 ms
[2025-06-03 23:09:54] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:09:54] [INFO ] Time to serialize gal into /tmp/CTLFireability2963263867286437951.gal : 1 ms
[2025-06-03 23:09:54] [INFO ] Time to serialize properties into /tmp/CTLFireability3976035617777490971.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/CTLFireability2963263867286437951.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3976035617777490971.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,48,0.018184,3744,2,17,5,350,5,0,21,327,0


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 0,1,0.0216,4000,1,0,5,418,12,0,121,327,5
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 85288 ms.

BK_STOP 1748992194659

--------------------
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-050050"
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-050050, 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-174889238800214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-050050.tgz
mv RefineWMG-PT-050050 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 ;