Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r175-smll-174889238800209.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is RefineWMG-PT-025026, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-174889238800209
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 3.7K 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 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 165K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K 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 56K 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 1748992060182

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-025026
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-03 23:07:42] [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 23:07:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 23:07:42] [INFO ] Load time of PNML (sax parser for PT used): 104 ms
[2025-06-03 23:07:42] [INFO ] Transformed 129 places.
[2025-06-03 23:07:42] [INFO ] Transformed 103 transitions.
[2025-06-03 23:07:42] [INFO ] Parsed PT model containing 129 places and 103 transitions and 308 arcs in 284 ms.
Discarding 25 transitions out of 103. Remains 78
Built sparse matrix representations for Structural reductions in 8 ms.15697KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 129/129 places, 103/103 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 27 ms. Remains 129 /129 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Running 77 sub problems to find dead transitions.
// Phase 1: matrix 103 rows 129 cols
[2025-06-03 23:07:42] [INFO ] Computed 52 invariants in 8 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 2/129 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 103/232 variables, 129/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 0/232 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 181 constraints, problems are : Problem set: 0 solved, 77 unsolved in 5112 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 2/129 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 103/232 variables, 129/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 77/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 0/232 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 232/232 variables, and 258 constraints, problems are : Problem set: 0 solved, 77 unsolved in 5242 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10464ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 10489ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 10595 ms. Remains : 129/129 places, 103/103 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 129/129 places, 103/103 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 6 ms. Remains 129 /129 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2025-06-03 23:07:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:07:53] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-03 23:07:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:07:53] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 23:07:53] [INFO ] Redundant transitions in 3 ms returned []
Running 77 sub problems to find dead transitions.
[2025-06-03 23:07:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 2/129 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 103/232 variables, 129/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 0/232 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 181 constraints, problems are : Problem set: 0 solved, 77 unsolved in 4312 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 2/129 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 103/232 variables, 129/181 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 77/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 0/232 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 232/232 variables, and 258 constraints, problems are : Problem set: 0 solved, 77 unsolved in 11064 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 129/129 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15402ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 15405ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 15635 ms. Remains : 129/129 places, 103/103 transitions.
Random walk for 1250008 steps, including 0 resets, run took 1853 ms (no deadlock found). (steps per millisecond=674 )
Random directed walk for 1250016 steps, including 0 resets, run took 2621 ms (no deadlock found). (steps per millisecond=476 )
[2025-06-03 23:08:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-03 23:08:13] [INFO ] [Real]Absence check using 52 positive place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 129/129 places, 103/103 transitions.
Graph (trivial) has 75 edges and 129 vertex of which 50 / 129 are part of one of the 25 SCC in 3 ms
Free SCC test removed 25 places
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Reduce places removed 25 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 50 place count 79 transition count 54
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 1 with 75 rules applied. Total rules applied 125 place count 29 transition count 29
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 24 rules applied. Total rules applied 149 place count 29 transition count 5
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 173 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 175 place count 4 transition count 4
Applied a total of 175 rules in 38 ms. Remains 4 /129 variables (removed 125) and now considering 4/103 (removed 99) transitions.
Running 2 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 4 cols
[2025-06-03 23:08:13] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/7 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 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]
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 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]
After SMT, in 120ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 120ms
[2025-06-03 23:08:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:08:13] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-03 23:08:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:08:13] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:08:13] [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 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]
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 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]
After SMT, in 115ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/129 places, 4/103 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 343 ms. Remains : 4/129 places, 4/103 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 23:08:13] [INFO ] Flatten gal took : 21 ms
[2025-06-03 23:08:13] [INFO ] Flatten gal took : 2 ms
[2025-06-03 23:08:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8786372502588369350.gal : 4 ms
[2025-06-03 23:08:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14991033354411423233.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/ReachabilityCardinality8786372502588369350.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14991033354411423233.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 : 129/129 places, 103/103 transitions.
Graph (trivial) has 75 edges and 129 vertex of which 50 / 129 are part of one of the 25 SCC in 0 ms
Free SCC test removed 25 places
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Reduce places removed 25 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 50 place count 79 transition count 54
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 1 with 75 rules applied. Total rules applied 125 place count 29 transition count 29
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 24 rules applied. Total rules applied 149 place count 29 transition count 5
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 173 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 175 place count 4 transition count 4
Applied a total of 175 rules in 7 ms. Remains 4 /129 variables (removed 125) and now considering 4/103 (removed 99) transitions.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:08:14] [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 78 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 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]
After SMT, in 144ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 144ms
[2025-06-03 23:08:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:08:14] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-03 23:08:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 23:08:14] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Running 2 sub problems to find dead transitions.
[2025-06-03 23:08:14] [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 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 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 116ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Starting structural reductions in LIVENESS mode, iteration 1 : 4/129 places, 4/103 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 318 ms. Remains : 4/129 places, 4/103 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 23:08:14] [INFO ] Flatten gal took : 3 ms
[2025-06-03 23:08:14] [INFO ] Flatten gal took : 1 ms
[2025-06-03 23:08:14] [INFO ] Time to serialize gal into /tmp/CTLFireability10156165987805016014.gal : 1 ms
[2025-06-03 23:08:14] [INFO ] Time to serialize properties into /tmp/CTLFireability14991691688252921287.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/CTLFireability10156165987805016014.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14991691688252921287.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,48,0.0206,3616,2,17,5,350,5,0,21,327,0


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 0,1,0.024204,4000,1,0,5,418,12,0,121,327,5
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 32241 ms.

BK_STOP 1748992094469

--------------------
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-025026"
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-025026, 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-174889238800209"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-025026.tgz
mv RefineWMG-PT-025026 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 ;