Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r175-smll-174889238800199.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-015016, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-174889238800199
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K 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 35K 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 1748991965402

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-015016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-03 23:06:07] [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 23:06:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:06:07] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2025-06-03 23:06:07] [INFO ] Transformed 79 places.
[2025-06-03 23:06:07] [INFO ] Transformed 63 transitions.
[2025-06-03 23:06:07] [INFO ] Parsed PT model containing 79 places and 63 transitions and 188 arcs in 253 ms.
Discarding 15 transitions out of 63. Remains 48
Built sparse matrix representations for Structural reductions in 8 ms.14941KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 79/79 places, 63/63 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 79 /79 variables (removed 0) and now considering 63/63 (removed 0) transitions.
Running 47 sub problems to find dead transitions.
// Phase 1: matrix 63 rows 79 cols
[2025-06-03 23:06:07] [INFO ] Computed 32 invariants in 9 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 2/79 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 63/142 variables, 79/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 0/142 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 111 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2602 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 79/79 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 2/79 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 63/142 variables, 79/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 47/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 0/142 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 158 constraints, problems are : Problem set: 0 solved, 47 unsolved in 2125 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 79/79 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4805ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 4830ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 4919 ms. Remains : 79/79 places, 63/63 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 79/79 places, 63/63 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 5 ms. Remains 79 /79 variables (removed 0) and now considering 63/63 (removed 0) transitions.
[2025-06-03 23:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:12] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-03 23:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:12] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:06:12] [INFO ] Redundant transitions in 2 ms returned []
Running 47 sub problems to find dead transitions.
[2025-06-03 23:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 2/79 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 63/142 variables, 79/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 0/142 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 111 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1825 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 79/79 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 2/79 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 63/142 variables, 79/111 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 47/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 0/142 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 158 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1958 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 79/79 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3801ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3803ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3978 ms. Remains : 79/79 places, 63/63 transitions.
Random walk for 1250013 steps, including 0 resets, run took 1332 ms (no deadlock found). (steps per millisecond=938 )
Random directed walk for 1250014 steps, including 0 resets, run took 1679 ms (no deadlock found). (steps per millisecond=744 )
[2025-06-03 23:06:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 23:06:19] [INFO ] [Real]Absence check using 32 positive place invariants in 3 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 79/79 places, 63/63 transitions.
Graph (trivial) has 45 edges and 79 vertex of which 30 / 79 are part of one of the 15 SCC in 2 ms
Free SCC test removed 15 places
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 49 transition count 34
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 1 with 45 rules applied. Total rules applied 75 place count 19 transition count 19
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 14 rules applied. Total rules applied 89 place count 19 transition count 5
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 103 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 105 place count 4 transition count 4
Applied a total of 105 rules in 31 ms. Remains 4 /79 variables (removed 75) and now considering 4/63 (removed 59) transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-03 23:06:19] [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 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 106ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 106ms
[2025-06-03 23:06:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:19] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-03 23:06:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:20] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:06:20] [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 46 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 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]
After SMT, in 107ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 108ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/79 places, 4/63 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 301 ms. Remains : 4/79 places, 4/63 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 23:06:20] [INFO ] Flatten gal took : 22 ms
[2025-06-03 23:06:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:06:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4654566930749258419.gal : 5 ms
[2025-06-03 23:06:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4528704826003683562.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/ReachabilityCardinality4654566930749258419.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4528704826003683562.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 : 79/79 places, 63/63 transitions.
Graph (trivial) has 45 edges and 79 vertex of which 30 / 79 are part of one of the 15 SCC in 0 ms
Free SCC test removed 15 places
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 49 transition count 34
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 1 with 45 rules applied. Total rules applied 75 place count 19 transition count 19
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 14 rules applied. Total rules applied 89 place count 19 transition count 5
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 103 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 105 place count 4 transition count 4
Applied a total of 105 rules in 5 ms. Remains 4 /79 variables (removed 75) and now considering 4/63 (removed 59) transitions.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:06:20] [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 47 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 114ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 114ms
[2025-06-03 23:06:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:20] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 23:06:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:06:20] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:06:20] [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 43 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 57 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 103ms 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 : 4/79 places, 4/63 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 272 ms. Remains : 4/79 places, 4/63 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 23:06:20] [INFO ] Flatten gal took : 3 ms
[2025-06-03 23:06:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:06:20] [INFO ] Time to serialize gal into /tmp/CTLFireability11900609485294544330.gal : 1 ms
[2025-06-03 23:06:20] [INFO ] Time to serialize properties into /tmp/CTLFireability10453354778593029261.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/CTLFireability11900609485294544330.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10453354778593029261.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,48,0.017111,3616,2,17,5,350,5,0,21,327,0


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 0,1,0.020569,4000,1,0,5,418,12,0,121,327,5
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
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 13456 ms.

BK_STOP 1748991980962

--------------------
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-015016"
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-015016, 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-174889238800199"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-015016.tgz
mv RefineWMG-PT-015016 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 ;