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-177961110100129.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-0500, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110100129
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.2K Mar 7 16:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 7 16:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 16:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 11:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 16:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 7 16:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 16:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 7 16:42 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 1.6M 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 1779708228052

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-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-25 11:23:50] [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 11:23:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:23:50] [INFO ] Load time of PNML (sax parser for PT used): 422 ms
[2026-05-25 11:23:50] [INFO ] Transformed 2501 places.
[2026-05-25 11:23:50] [INFO ] Transformed 4001 transitions.
[2026-05-25 11:23:50] [INFO ] Parsed PT model containing 2501 places and 4001 transitions and 11502 arcs in 607 ms.
Discarding 2000 transitions out of 4001. Remains 2001
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 26 ms.26598KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 2500/2500 places, 4001/4001 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 341 ms. Remains 2500 /2500 variables (removed 0) and now considering 4001/4001 (removed 0) transitions.
Running 3000 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-2252341023827625190.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5719669302552810095.kers'
[2026-05-25 11:23:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2252341023827625190.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5719669302552810095.kers]
Normalized transition count is 4000 out of 4001 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 4000 rows 2500 cols 10000 entries
Finished phase 1 with 2000 SingleSign rule and 0 generalized
[2026-05-25 11:23:51] [INFO ] Computed 500 invariants in 17 ms
Computed 500 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-5719669302552810095.kers
Total runtime 23 ms.
[2026-05-25 11:23:51] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20182 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20080 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42064ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 42121ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42598 ms. Remains : 2500/2500 places, 4001/4001 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 2500/2500 places, 4001/4001 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 166 ms. Remains 2500 /2500 variables (removed 0) and now considering 4001/4001 (removed 0) transitions.
[2026-05-25 11:24:33] [INFO ] Invariant cache hit.
[2026-05-25 11:24:34] [INFO ] Implicit Places using invariants in 624 ms returned []
[2026-05-25 11:24:34] [INFO ] Invariant cache hit.
[2026-05-25 11:24:37] [INFO ] State equation strengthened by 500 read => feed constraints.
[2026-05-25 11:24:37] [INFO ] Implicit Places using invariants and state equation in 2618 ms returned []
Implicit Place search using SMT with State Equation took 3250 ms to find 0 implicit places.
[2026-05-25 11:24:37] [INFO ] Redundant transitions in 431 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3857 ms. Remains : 2500/2500 places, 4001/4001 transitions.
Interrupted Random walk after 929877 steps, including 0 resets, run timeout after 30007 ms. (steps per millisecond=30 )
Interrupted Random directed walk after 346773 steps, including 0 resets, run timeout after 30034 ms. (steps per millisecond=11 )
[2026-05-25 11:25:37] [INFO ] Invariant cache hit.
[2026-05-25 11:25:38] [INFO ] [Real]Absence check using 500 positive place invariants in 4 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 2501/2501 places, 4001/4001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2500 transition count 4001
Applied a total of 1 rules in 49 ms. Remains 2500 /2501 variables (removed 1) and now considering 4001/4001 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:25:38] [INFO ] Invariant cache hit.
[2026-05-25 11:25:39] [INFO ] Implicit Places using invariants in 796 ms returned []
[2026-05-25 11:25:39] [INFO ] Invariant cache hit.
[2026-05-25 11:25:42] [INFO ] State equation strengthened by 500 read => feed constraints.
[2026-05-25 11:25:42] [INFO ] Implicit Places using invariants and state equation in 2761 ms returned []
Implicit Place search using SMT with State Equation took 3565 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2501 places, 4001/4001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 3617 ms. Remains : 2500/2501 places, 4001/4001 transitions.
Discarding 2000 transitions out of 4001. Remains 2001
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40867 steps (8 resets) in 2289 ms. (17 steps per ms) remains 1850/2000 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 22 ms. (5 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 19 ms. (6 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
[2026-05-25 11:25:43] [INFO ] Flatten gal took : 362 ms
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 1850/1850 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 1850/1850 properties
[2026-05-25 11:25:43] [INFO ] Flatten gal took : 186 ms
[2026-05-25 11:25:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2360289684286622004.gal : 105 ms
[2026-05-25 11:25:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5800566652304696424.prop : 21 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/ReachabilityCardinality2360289684286622004.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5800566652304696424.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/ReachabilityCardinality5800566652304696424.prop.
Probabilistic random walk after 17047 steps, saw 17024 distinct states, run finished after 3093 ms. (steps per millisecond=5 ) properties seen :449
[2026-05-25 11:25:46] [INFO ] Invariant cache hit.
[2026-05-25 11:25:46] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1401/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1401 unsolved in 5064 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 1401/1401 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1401 unsolved
Reachability property qltransition_3 is true.
SDD proceeding with computation,1849 properties remain. new max is 2
SDD size :1 after 8
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1401/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 1401 unsolved in 5056 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/1401 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10951ms problems are : Problem set: 0 solved, 1401 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1401 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 4001/4001 transitions.
Graph (complete) has 6000 edges and 2500 vertex of which 2495 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.12 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 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 2495 transition count 3992
Applied a total of 2 rules in 221 ms. Remains 2495 /2500 variables (removed 5) and now considering 3992/4001 (removed 9) transitions.
Running 2994 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-13640991474349357195.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15527699001926320005.kers'
[2026-05-25 11:25:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13640991474349357195.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15527699001926320005.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 3992 rows 2495 cols 9980 entries
Finished phase 1 with 1996 SingleSign rule and 0 generalized
[2026-05-25 11:25:57] [INFO ] Computed 499 invariants in 30 ms
Computed 499 P flows in 31 ms.
Exported basis to /tmp/petrispot-output-15527699001926320005.kers
Total runtime 36 ms.
[2026-05-25 11:25:57] [INFO ] State equation strengthened by 499 read => feed constraints.
SDD proceeding with computation,1849 properties remain. new max is 4
SDD size :8 after 17
Reachability property qltransition_1 is true.
SDD proceeding with computation,1848 properties remain. new max is 4
SDD size :17 after 39
SDD proceeding with computation,1848 properties remain. new max is 8
SDD size :39 after 69
SDD proceeding with computation,1848 properties remain. new max is 16
SDD size :69 after 144
SDD proceeding with computation,1848 properties remain. new max is 32
SDD size :144 after 359
SDD proceeding with computation,1848 properties remain. new max is 64
SDD size :359 after 1052
SDD proceeding with computation,1848 properties remain. new max is 128
SDD size :1052 after 3479
SDD proceeding with computation,1848 properties remain. new max is 256
SDD size :3479 after 12466
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1996/6487 variables, and 0 constraints, problems are : Problem set: 0 solved, 2994 unsolved in 20083 ms.
Refiners :[Positive P Invariants (semi-flows): 0/499 constraints, State Equation: 0/2495 constraints, ReadFeed: 0/499 constraints, PredecessorRefiner: 2994/2994 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2994 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1996/6487 variables, and 0 constraints, problems are : Problem set: 0 solved, 2994 unsolved in 20082 ms.
Refiners :[Positive P Invariants (semi-flows): 0/499 constraints, State Equation: 0/2495 constraints, ReadFeed: 0/499 constraints, PredecessorRefiner: 0/2994 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41770ms problems are : Problem set: 0 solved, 2994 unsolved
Search for dead transitions found 0 dead transitions in 41781ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42012 ms. Remains : 2495/2500 places, 3992/4001 transitions.
SDD proceeding with computation,1848 properties remain. new max is 512
SDD size :12466 after 46708
RANDOM walk for 3057829 steps (8 resets) in 120034 ms. (25 steps per ms) remains 0/1400 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2001 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 2501/2501 places, 4001/4001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2500 transition count 4001
Applied a total of 1 rules in 37 ms. Remains 2500 /2501 variables (removed 1) and now considering 4001/4001 (removed 0) transitions.
Running 3000 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-3900625975335903498.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9654158704022216853.kers'
[2026-05-25 11:27:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3900625975335903498.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9654158704022216853.kers]
Normalized transition count is 4000 out of 4001 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 4000 rows 2500 cols 10000 entries
Finished phase 1 with 2000 SingleSign rule and 0 generalized
[2026-05-25 11:27:09] [INFO ] Computed 500 invariants in 17 ms
Computed 500 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-9654158704022216853.kers
Total runtime 22 ms.
[2026-05-25 11:27:09] [INFO ] State equation strengthened by 500 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20083 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 3000/3000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3000 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2000/6501 variables, and 0 constraints, problems are : Problem set: 0 solved, 3000 unsolved in 20072 ms.
Refiners :[Positive P Invariants (semi-flows): 0/500 constraints, State Equation: 0/2500 constraints, ReadFeed: 0/500 constraints, PredecessorRefiner: 0/3000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41256ms problems are : Problem set: 0 solved, 3000 unsolved
Search for dead transitions found 0 dead transitions in 41265ms
[2026-05-25 11:27:51] [INFO ] Invariant cache hit.
[2026-05-25 11:27:51] [INFO ] Implicit Places using invariants in 972 ms returned []
[2026-05-25 11:27:51] [INFO ] Invariant cache hit.
[2026-05-25 11:27:54] [INFO ] State equation strengthened by 500 read => feed constraints.
[2026-05-25 11:27:54] [INFO ] Implicit Places using invariants and state equation in 2900 ms returned []
Implicit Place search using SMT with State Equation took 3874 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2501 places, 4001/4001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 45185 ms. Remains : 2500/2501 places, 4001/4001 transitions.
Discarding 2000 transitions out of 4001. Remains 2001
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-25 11:27:55] [INFO ] Flatten gal took : 123 ms
[2026-05-25 11:27:55] [INFO ] Flatten gal took : 118 ms
[2026-05-25 11:27:55] [INFO ] Time to serialize gal into /tmp/CTLFireability17150870896503024386.gal : 38 ms
[2026-05-25 11:27:55] [INFO ] Time to serialize properties into /tmp/CTLFireability8162795672517805158.ctl : 13 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/CTLFireability17150870896503024386.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8162795672517805158.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 -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 11:27:58] [INFO ] Flatten gal took : 103 ms
[2026-05-25 11:27:58] [INFO ] Applying decomposition
[2026-05-25 11:27:58] [INFO ] Flatten gal took : 108 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/graph14757599264572690901.txt' '-o' '/tmp/graph14757599264572690901.bin' '-w' '/tmp/graph14757599264572690901.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14757599264572690901.bin' '-l' '-1' '-v' '-w' '/tmp/graph14757599264572690901.weights' '-q' '0' '-e' '0.001'
[2026-05-25 11:27:59] [INFO ] Decomposing Gal with order
[2026-05-25 11:27:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 11:27:59] [INFO ] Flatten gal took : 246 ms
[2026-05-25 11:28:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 102 ms.
[2026-05-25 11:28:00] [INFO ] Time to serialize gal into /tmp/CTLFireability13048556461539699710.gal : 26 ms
[2026-05-25 11:28:00] [INFO ] Time to serialize properties into /tmp/CTLFireability18388044081234951640.ctl : 5 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/CTLFireability13048556461539699710.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability18388044081234951640.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.
Detected timeout of ITS tools.
[2026-05-25 11:28:03] [INFO ] Flatten gal took : 99 ms
[2026-05-25 11:28:03] [INFO ] Flatten gal took : 102 ms
[2026-05-25 11:28:03] [INFO ] Time to serialize gal into /tmp/CTLFireability3347465281333460572.gal : 16 ms
[2026-05-25 11:28:03] [INFO ] Time to serialize properties into /tmp/CTLFireability1123634865725650535.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/CTLFireability3347465281333460572.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1123634865725650535.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 11:28:33] [INFO ] Flatten gal took : 90 ms
[2026-05-25 11:28:33] [INFO ] Applying decomposition
[2026-05-25 11:28:33] [INFO ] Flatten gal took : 93 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/graph8623474892487073237.txt' '-o' '/tmp/graph8623474892487073237.bin' '-w' '/tmp/graph8623474892487073237.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8623474892487073237.bin' '-l' '-1' '-v' '-w' '/tmp/graph8623474892487073237.weights' '-q' '0' '-e' '0.001'
[2026-05-25 11:28:34] [INFO ] Decomposing Gal with order
[2026-05-25 11:28:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 11:28:34] [INFO ] Flatten gal took : 113 ms
[2026-05-25 11:28:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 61 ms.
[2026-05-25 11:28:34] [INFO ] Time to serialize gal into /tmp/CTLFireability16884128974686157305.gal : 20 ms
[2026-05-25 11:28:34] [INFO ] Time to serialize properties into /tmp/CTLFireability10645259694547268722.ctl : 5 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/CTLFireability16884128974686157305.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10645259694547268722.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.
Detected timeout of ITS tools.
[2026-05-25 11:29:04] [INFO ] Flatten gal took : 89 ms
[2026-05-25 11:29:04] [INFO ] Flatten gal took : 80 ms
[2026-05-25 11:29:04] [INFO ] Time to serialize gal into /tmp/CTLFireability18181465249072918643.gal : 16 ms
[2026-05-25 11:29:04] [INFO ] Time to serialize properties into /tmp/CTLFireability6307061317386739273.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/CTLFireability18181465249072918643.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6307061317386739273.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 -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-25 11:34:05] [INFO ] Flatten gal took : 73 ms
[2026-05-25 11:34:05] [INFO ] Applying decomposition
[2026-05-25 11:34:05] [INFO ] Flatten gal took : 75 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/graph11944453201825876422.txt' '-o' '/tmp/graph11944453201825876422.bin' '-w' '/tmp/graph11944453201825876422.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11944453201825876422.bin' '-l' '-1' '-v' '-w' '/tmp/graph11944453201825876422.weights' '-q' '0' '-e' '0.001'
[2026-05-25 11:34:05] [INFO ] Decomposing Gal with order
[2026-05-25 11:34:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 11:34:06] [INFO ] Flatten gal took : 99 ms
[2026-05-25 11:34:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 22 ms.
[2026-05-25 11:34:06] [INFO ] Time to serialize gal into /tmp/CTLFireability11265003980190536994.gal : 18 ms
[2026-05-25 11:34:06] [INFO ] Time to serialize properties into /tmp/CTLFireability4714163353331428865.ctl : 6 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/CTLFireability11265003980190536994.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4714163353331428865.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.
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,2.15563e+4717,271.353,1698320,502,3519,2504,2.51885e+06,1543,503,75,3.13848e+06,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==500)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==500))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2....28526
Detected timeout of ITS tools.
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==500)&&(u1.p6==2)))&&(((u1.p7==1)&&(u...24721
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-25 11:39:06] [INFO ] Flatten gal took : 83 ms
[2026-05-25 11:39:06] [INFO ] Flatten gal took : 112 ms
[2026-05-25 11:39:06] [INFO ] Time to serialize gal into /tmp/CTLFireability2847265670249991723.gal : 23 ms
[2026-05-25 11:39:06] [INFO ] Time to serialize properties into /tmp/CTLFireability16835701166309387593.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/CTLFireability2847265670249991723.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16835701166309387593.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 -...284
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-0500"
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-0500, 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-177961110100129"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0500.tgz
mv JoinFreeModules-PT-0500 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 ;