Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r168-smll-177961110100124.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0200, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110100124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.2K Mar 7 16:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 16:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 16:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 16:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 11:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 16:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 7 16:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 16:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 613K Mar 3 18:30 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 1779706552883

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-25 10:55:54] [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]
[2026-05-25 10:55:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 10:55:55] [INFO ] Load time of PNML (sax parser for PT used): 283 ms
[2026-05-25 10:55:55] [INFO ] Transformed 1001 places.
[2026-05-25 10:55:55] [INFO ] Transformed 1601 transitions.
[2026-05-25 10:55:55] [INFO ] Parsed PT model containing 1001 places and 1601 transitions and 4602 arcs in 452 ms.
Discarding 800 transitions out of 1601. Remains 801
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 12 ms.12073KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 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 145 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3359975970532792717.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1667139662457075942.kers'
[2026-05-25 10:55:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3359975970532792717.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1667139662457075942.kers]
Normalized transition count is 1600 out of 1601 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 1600 rows 1000 cols 4000 entries
Finished phase 1 with 800 SingleSign rule and 0 generalized
[2026-05-25 10:55:55] [INFO ] Computed 200 invariants in 6 ms
Computed 200 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-1667139662457075942.kers
Total runtime 10 ms.
[2026-05-25 10:55:55] [INFO ] State equation strengthened by 200 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 800/2601 variables, and 0 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 20171 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 800/2601 variables, and 0 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 20054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40845ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 40889ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 41136 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 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 96 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
[2026-05-25 10:56:36] [INFO ] Invariant cache hit.
[2026-05-25 10:56:37] [INFO ] Implicit Places using invariants in 421 ms returned []
[2026-05-25 10:56:37] [INFO ] Invariant cache hit.
[2026-05-25 10:56:38] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-25 10:56:38] [INFO ] Implicit Places using invariants and state equation in 1180 ms returned []
Implicit Place search using SMT with State Equation took 1615 ms to find 0 implicit places.
[2026-05-25 10:56:38] [INFO ] Redundant transitions in 104 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1823 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Random walk for 1250074 steps, including 0 resets, run took 21074 ms (no deadlock found). (steps per millisecond=59 )
Interrupted Random directed walk after 620474 steps, including 0 resets, run timeout after 30023 ms. (steps per millisecond=20 )
[2026-05-25 10:57:29] [INFO ] Invariant cache hit.
[2026-05-25 10:57:30] [INFO ] [Real]Absence check using 200 positive place invariants in 4 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 29 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 10:57:30] [INFO ] Invariant cache hit.
[2026-05-25 10:57:30] [INFO ] Implicit Places using invariants in 325 ms returned []
[2026-05-25 10:57:30] [INFO ] Invariant cache hit.
[2026-05-25 10:57:31] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-25 10:57:31] [INFO ] Implicit Places using invariants and state equation in 1040 ms returned []
Implicit Place search using SMT with State Equation took 1368 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1398 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40349 steps (8 resets) in 1248 ms. (32 steps per ms) remains 507/800 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 33 ms. (3 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 507/507 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 507/507 properties
[2026-05-25 10:57:32] [INFO ] Invariant cache hit.
[2026-05-25 10:57:32] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-25 10:57:32] [INFO ] Flatten gal took : 291 ms
[2026-05-25 10:57:32] [INFO ] Flatten gal took : 120 ms
[2026-05-25 10:57:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7145915964284335882.gal : 63 ms
[2026-05-25 10:57:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1641922748501152293.prop : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7145915964284335882.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1641922748501152293.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1641922748501152293.prop.
Reachability property qltransition_3 is true.
SDD proceeding with computation,506 properties remain. new max is 2
SDD size :1 after 8
SDD proceeding with computation,506 properties remain. new max is 4
SDD size :8 after 17
Reachability property qltransition_1 is true.
SDD proceeding with computation,505 properties remain. new max is 4
SDD size :17 after 39
SDD proceeding with computation,505 properties remain. new max is 8
SDD size :39 after 69
SDD proceeding with computation,505 properties remain. new max is 16
SDD size :69 after 144
SDD proceeding with computation,505 properties remain. new max is 32
SDD size :144 after 359
SDD proceeding with computation,505 properties remain. new max is 64
SDD size :359 after 1052
SDD proceeding with computation,505 properties remain. new max is 128
SDD size :1052 after 3479
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 507/2601 variables, and 0 constraints, problems are : Problem set: 2 solved, 505 unsolved in 5040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 507/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 505 unsolved
SDD proceeding with computation,505 properties remain. new max is 256
SDD size :3479 after 11206
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/2601 variables, and 0 constraints, problems are : Problem set: 2 solved, 505 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10280ms problems are : Problem set: 2 solved, 505 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 505 out of 1000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Graph (complete) has 2400 edges and 1000 vertex of which 990 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.10 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 990 transition count 1584
Applied a total of 2 rules in 171 ms. Remains 990 /1000 variables (removed 10) and now considering 1584/1601 (removed 17) transitions.
Running 1188 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2557943640754722139.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9681222034416867096.kers'
[2026-05-25 10:57:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2557943640754722139.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9681222034416867096.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1584 rows 990 cols 3960 entries
Finished phase 1 with 792 SingleSign rule and 0 generalized
[2026-05-25 10:57:42] [INFO ] Computed 198 invariants in 16 ms
Computed 198 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-9681222034416867096.kers
Total runtime 20 ms.
[2026-05-25 10:57:42] [INFO ] State equation strengthened by 198 read => feed constraints.
SDD proceeding with computation,505 properties remain. new max is 512
SDD size :11206 after 20008
Reachability property qltransition_8 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,503 properties remain. new max is 512
SDD size :20008 after 4.87581e+06
SDD proceeding with computation,503 properties remain. new max is 1024
SDD size :4.87581e+06 after 1.06338e+07
SDD proceeding with computation,503 properties remain. new max is 2048
SDD size :1.06338e+07 after 1.92447e+07
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,499 properties remain. new max is 2048
SDD size :1.92447e+07 after 7.8984e+14
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 792/2574 variables, and 0 constraints, problems are : Problem set: 0 solved, 1188 unsolved in 20064 ms.
Refiners :[Positive P Invariants (semi-flows): 0/198 constraints, State Equation: 0/990 constraints, ReadFeed: 0/198 constraints, PredecessorRefiner: 1188/1188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1188 unsolved
Reachability property qltransition_17 is true.
SDD proceeding with computation,498 properties remain. new max is 2048
SDD size :7.8984e+14 after 9.69197e+19
Reachability property qltransition_24 is true.
Reachability property qltransition_23 is true.
SDD proceeding with computation,496 properties remain. new max is 2048
SDD size :9.69197e+19 after 8.05301e+22
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 792/2574 variables, and 0 constraints, problems are : Problem set: 0 solved, 1188 unsolved in 20058 ms.
Refiners :[Positive P Invariants (semi-flows): 0/198 constraints, State Equation: 0/990 constraints, ReadFeed: 0/198 constraints, PredecessorRefiner: 0/1188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40538ms problems are : Problem set: 0 solved, 1188 unsolved
Search for dead transitions found 0 dead transitions in 40545ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40728 ms. Remains : 990/1000 places, 1584/1601 transitions.
RANDOM walk for 978745 steps (0 resets) in 21257 ms. (46 steps per ms) remains 0/496 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 801 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 17 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4159505295578925215.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6578571087191937030.kers'
[2026-05-25 10:58:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4159505295578925215.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6578571087191937030.kers]
Normalized transition count is 1600 out of 1601 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 1600 rows 1000 cols 4000 entries
Finished phase 1 with 800 SingleSign rule and 0 generalized
[2026-05-25 10:58:29] [INFO ] Computed 200 invariants in 7 ms
Computed 200 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-6578571087191937030.kers
Total runtime 10 ms.
[2026-05-25 10:58:29] [INFO ] State equation strengthened by 200 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 800/2601 variables, and 0 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 800/2601 variables, and 0 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 0/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40381ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 40385ms
[2026-05-25 10:59:09] [INFO ] Invariant cache hit.
[2026-05-25 10:59:09] [INFO ] Implicit Places using invariants in 403 ms returned []
[2026-05-25 10:59:09] [INFO ] Invariant cache hit.
[2026-05-25 10:59:11] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-25 10:59:11] [INFO ] Implicit Places using invariants and state equation in 1402 ms returned []
Implicit Place search using SMT with State Equation took 1807 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 42214 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-25 10:59:11] [INFO ] Flatten gal took : 83 ms
[2026-05-25 10:59:11] [INFO ] Flatten gal took : 73 ms
[2026-05-25 10:59:11] [INFO ] Time to serialize gal into /tmp/CTLFireability1787156728599106399.gal : 13 ms
[2026-05-25 10:59:11] [INFO ] Time to serialize properties into /tmp/CTLFireability7653687362283969897.ctl : 10 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1787156728599106399.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7653687362283969897.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 10:59:14] [INFO ] Flatten gal took : 56 ms
[2026-05-25 10:59:14] [INFO ] Applying decomposition
[2026-05-25 10:59:14] [INFO ] Flatten gal took : 46 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7627159191740939236.txt' '-o' '/tmp/graph7627159191740939236.bin' '-w' '/tmp/graph7627159191740939236.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7627159191740939236.bin' '-l' '-1' '-v' '-w' '/tmp/graph7627159191740939236.weights' '-q' '0' '-e' '0.001'
[2026-05-25 10:59:15] [INFO ] Decomposing Gal with order
[2026-05-25 10:59:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 10:59:15] [INFO ] Flatten gal took : 132 ms
[2026-05-25 10:59:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 28 ms.
[2026-05-25 10:59:15] [INFO ] Time to serialize gal into /tmp/CTLFireability5909052891545646521.gal : 15 ms
[2026-05-25 10:59:15] [INFO ] Time to serialize properties into /tmp/CTLFireability13912794553172338032.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5909052891545646521.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13912794553172338032.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 10:59:18] [INFO ] Flatten gal took : 40 ms
[2026-05-25 10:59:18] [INFO ] Flatten gal took : 40 ms
[2026-05-25 10:59:18] [INFO ] Time to serialize gal into /tmp/CTLFireability4212460737337008809.gal : 12 ms
[2026-05-25 10:59:18] [INFO ] Time to serialize properties into /tmp/CTLFireability3945055384451586204.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4212460737337008809.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3945055384451586204.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 10:59:48] [INFO ] Flatten gal took : 34 ms
[2026-05-25 10:59:48] [INFO ] Applying decomposition
[2026-05-25 10:59:48] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8372803188426804872.txt' '-o' '/tmp/graph8372803188426804872.bin' '-w' '/tmp/graph8372803188426804872.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8372803188426804872.bin' '-l' '-1' '-v' '-w' '/tmp/graph8372803188426804872.weights' '-q' '0' '-e' '0.001'
[2026-05-25 10:59:48] [INFO ] Decomposing Gal with order
[2026-05-25 10:59:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 10:59:49] [INFO ] Flatten gal took : 49 ms
[2026-05-25 10:59:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 9 ms.
[2026-05-25 10:59:49] [INFO ] Time to serialize gal into /tmp/CTLFireability16567344816848574095.gal : 10 ms
[2026-05-25 10:59:49] [INFO ] Time to serialize properties into /tmp/CTLFireability11593100553132619115.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16567344816848574095.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11593100553132619115.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
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,1.57101e+1574,18.2567,171044,202,1419,1004,422800,643,203,75,520625,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==200))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p...10826
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1...10886
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Detected timeout of ITS tools.
[2026-05-25 11:00:19] [INFO ] Flatten gal took : 31 ms
[2026-05-25 11:00:19] [INFO ] Flatten gal took : 34 ms
[2026-05-25 11:00:19] [INFO ] Time to serialize gal into /tmp/CTLFireability8168925517543551578.gal : 8 ms
[2026-05-25 11:00:19] [INFO ] Time to serialize properties into /tmp/CTLFireability2305359714674649644.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8168925517543551578.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2305359714674649644.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 11:05:19] [INFO ] Flatten gal took : 33 ms
[2026-05-25 11:05:19] [INFO ] Applying decomposition
[2026-05-25 11:05:19] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6980905217100403220.txt' '-o' '/tmp/graph6980905217100403220.bin' '-w' '/tmp/graph6980905217100403220.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6980905217100403220.bin' '-l' '-1' '-v' '-w' '/tmp/graph6980905217100403220.weights' '-q' '0' '-e' '0.001'
[2026-05-25 11:05:19] [INFO ] Decomposing Gal with order
[2026-05-25 11:05:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 11:05:19] [INFO ] Flatten gal took : 75 ms
[2026-05-25 11:05:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 16 ms.
[2026-05-25 11:05:19] [INFO ] Time to serialize gal into /tmp/CTLFireability9226001059415722596.gal : 13 ms
[2026-05-25 11:05:19] [INFO ] Time to serialize properties into /tmp/CTLFireability8436789399442790834.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9226001059415722596.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8436789399442790834.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
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,1.57101e+1574,18.2177,171088,202,1419,1004,422800,643,203,75,520625,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==200))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p...10826
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1...10886
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Detected timeout of ITS tools.
[2026-05-25 11:10:20] [INFO ] Flatten gal took : 39 ms
[2026-05-25 11:10:20] [INFO ] Flatten gal took : 36 ms
[2026-05-25 11:10:20] [INFO ] Time to serialize gal into /tmp/CTLFireability9453723266802267469.gal : 7 ms
[2026-05-25 11:10:20] [INFO ] Time to serialize properties into /tmp/CTLFireability8217872458091842231.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9453723266802267469.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8217872458091842231.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.

BK_TIME_CONFINEMENT_REACHED

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="JoinFreeModules-PT-0200"
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 2-5973"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0200, 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 r168-smll-177961110100124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0200.tgz
mv JoinFreeModules-PT-0200 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 ;