About the Execution of ITS-Tools for Philosophers-COL-005000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16206.155 | 3600000.00 | 4243998.00 | 782202.00 | ???????T?F???T?? | normal |
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.r210-smll-177969941900075.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 Philosophers-COL-005000, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900075
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 7.0K Mar 5 12:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 5 12:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 5 12:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 12:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 16 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 16 08:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 16 08:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 13:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 5 13:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 13:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 5 13:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 227K 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
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-00
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-01
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-02
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-03
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-04
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-05
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-06
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-07
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-08
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-09
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-10
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-11
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-12
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-13
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-14
FORMULA_NAME Philosophers-COL-005000-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779822784068
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-005000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-26 19:13:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 19:13:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 19:13:06] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 19:13:06] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 19:13:07] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1070 ms
[2026-05-26 19:13:07] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 25000 PT places and 25000.0 transition bindings in 31 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 19:13:07] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 8 ms.
[2026-05-26 19:13:07] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Philosophers-COL-005000-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-005000-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 14 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40012 steps (4 resets) in 258 ms. (154 steps per ms) remains 8/23 properties
BEST_FIRST walk for 40004 steps (8 resets) in 698 ms. (57 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 281 ms. (141 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 291 ms. (137 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17219330551454930178.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11298302884824410074.kers'
[2026-05-26 19:13:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17219330551454930178.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11298302884824410074.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 5 cols 15 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-26 19:13:08] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11298302884824410074.kers
Total runtime 1 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 0/10 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 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
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 5/10 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 549ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 4999 steps, including 0 resets, run visited all 1 properties in 9 ms. (steps per millisecond=555 )
Parikh walk visited 2 properties in 868 ms.
[2026-05-26 19:13:09] [INFO ] Flatten gal took : 27 ms
[2026-05-26 19:13:09] [INFO ] Flatten gal took : 3 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 5000) 5000) 5000)]] contains successor/predecessor on variables of sort Philo
[2026-05-26 19:13:10] [INFO ] Unfolded HLPN to a Petri net with 25000 places and 25000 transitions 80000 arcs in 505 ms.
[2026-05-26 19:13:10] [INFO ] Unfolded 14 HLPN properties in 24 ms.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 133 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8219267824116958006.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6298747246021902865.kers'
[2026-05-26 19:13:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8219267824116958006.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6298747246021902865.kers]
Culled 0 columns in 52 ms.
// Phase 1: matrix 25000 rows 25000 cols 80000 entries
Finished phase 1 with 15000 SingleSign rule and 0 generalized
[2026-05-26 19:13:12] [INFO ] Computed 10000 invariants in 207 ms
Computed 10000 P flows in 209 ms.
Exported basis to /tmp/petrispot-output-6298747246021902865.kers
Total runtime 239 ms.
[2026-05-26 19:13:27] [INFO ] Implicit Places using invariants in 15235 ms returned []
Implicit Place search using SMT only with invariants took 15260 ms to find 0 implicit places.
Running 15000 sub problems to find dead transitions.
[2026-05-26 19:13:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20000 variables, 5000/5000 constraints. Problems are: Problem set: 0 solved, 15000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 20000/50000 variables, and 5000 constraints, problems are : Problem set: 0 solved, 15000 unsolved in 30726 ms.
Refiners :[Positive P Invariants (semi-flows): 5000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 15000/15000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15000 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20000 variables, 5000/5000 constraints. Problems are: Problem set: 0 solved, 15000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 20000/50000 variables, and 5000 constraints, problems are : Problem set: 0 solved, 15000 unsolved in 30407 ms.
Refiners :[Positive P Invariants (semi-flows): 5000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 0/15000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102481ms problems are : Problem set: 0 solved, 15000 unsolved
Search for dead transitions found 0 dead transitions in 102642ms
Finished structural reductions in LTL mode , in 1 iterations and 118185 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 79 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
[2026-05-26 19:15:10] [INFO ] Invariant cache hit.
[2026-05-26 19:15:26] [INFO ] Implicit Places using invariants in 15612 ms returned []
Implicit Place search using SMT only with invariants took 15619 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 15703 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Support contains 25000 out of 25000 places after structural reductions.
[2026-05-26 19:15:28] [INFO ] Flatten gal took : 1177 ms
[2026-05-26 19:15:29] [INFO ] Flatten gal took : 817 ms
[2026-05-26 19:15:32] [INFO ] Input system was already deterministic with 25000 transitions.
RANDOM walk for 12626 steps (0 resets) in 120021 ms. (0 steps per ms) remains 14/23 properties
BEST_FIRST walk for 24004 steps (0 resets) in 22947 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 18004 steps (0 resets) in 22314 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 26004 steps (0 resets) in 21742 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 34004 steps (0 resets) in 21949 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 26004 steps (0 resets) in 21896 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 26004 steps (0 resets) in 22443 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 28004 steps (0 resets) in 21685 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 32004 steps (0 resets) in 21085 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 30004 steps (0 resets) in 21498 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 28004 steps (0 resets) in 21939 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 16004 steps (0 resets) in 22975 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 20004 steps (0 resets) in 21316 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 26004 steps (0 resets) in 20659 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 29004 steps (0 resets) in 20835 ms. (1 steps per ms) remains 14/14 properties
[2026-05-26 19:17:21] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
SMT process timed out in 5333ms, After SMT, problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 478 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 480 ms. Remains : 25000/25000 places, 25000/25000 transitions.
FORMULA Philosophers-COL-005000-LTLCardinality-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(F(p0)))||(X(!p1) U (X(G(!p1))||(p2&&X(!p1)))))))'
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 58 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
[2026-05-26 19:17:29] [INFO ] Invariant cache hit.
[2026-05-26 19:17:43] [INFO ] Implicit Places using invariants in 14104 ms returned []
Implicit Place search using SMT only with invariants took 14106 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 14171 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(X(F(p0)))||(X(!p1) U (X(G(!p1))||(p2&&X(!p1)))))))'
Stuttering acceptance computed with spot in 534 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : Philosophers-COL-005000-LTLCardinality-00
Product exploration timeout after 2720 steps with 0 reset in 10028 ms.
Product exploration timeout after 2790 steps with 0 reset in 10005 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 197 ms. Reduced automaton from 5 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
RANDOM walk for 24216 steps (4 resets) in 120006 ms. (0 steps per ms) remains 4/7 properties
BEST_FIRST walk for 16004 steps (0 resets) in 23945 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 12004 steps (0 resets) in 21637 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 28004 steps (0 resets) in 21460 ms. (1 steps per ms) remains 4/4 properties
BEST_FIRST walk for 21004 steps (0 resets) in 21063 ms. (0 steps per ms) remains 4/4 properties
[2026-05-26 19:19:15] [INFO ] Invariant cache hit.
SMT process timed out in 5214ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 251 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 25000/25000 places, 25000/25000 transitions.
RANDOM walk for 24636 steps (4 resets) in 120017 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 16004 steps (0 resets) in 22137 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 12004 steps (0 resets) in 20223 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 28004 steps (0 resets) in 21654 ms. (1 steps per ms) remains 4/4 properties
BEST_FIRST walk for 24004 steps (0 resets) in 21925 ms. (1 steps per ms) remains 4/4 properties
Probabilistic random walk after 72982 steps, saw 72971 distinct states, run finished after 153910 ms. (steps per millisecond=0 ) properties seen :0
[2026-05-26 19:22:46] [INFO ] Invariant cache hit.
Problem apf3 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 25000/50000 variables, and 10000 constraints, problems are : Problem set: 1 solved, 3 unsolved in 34955 ms.
Refiners :[Positive P Invariants (semi-flows): 10000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 25000/50000 variables, and 10000 constraints, problems are : Problem set: 1 solved, 3 unsolved in 33941 ms.
Refiners :[Positive P Invariants (semi-flows): 10000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69096ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 233 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Found 1 invariant AP formulas.
Knowledge based reduction with 3 factoid took 191 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
[2026-05-26 19:25:34] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p2))
[2026-05-26 19:27:36] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) p1)
Knowledge-based reduction took 579490 ms.
Stuttering acceptance computed with spot in 166 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 59 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
[2026-05-26 19:27:44] [INFO ] Invariant cache hit.
[2026-05-26 19:27:58] [INFO ] Implicit Places using invariants in 14072 ms returned []
Implicit Place search using SMT only with invariants took 14073 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 14137 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 75 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 111413 ms. (0 steps per ms) remains 2/6 properties
BEST_FIRST walk for 24004 steps (0 resets) in 21413 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 20004 steps (0 resets) in 23301 ms. (0 steps per ms) remains 2/2 properties
[2026-05-26 19:28:42] [INFO ] Invariant cache hit.
SMT process timed out in 5164ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 208 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 25000/25000 places, 25000/25000 transitions.
RANDOM walk for 40000 steps (8 resets) in 102385 ms. (0 steps per ms) remains 2/2 properties
BEST_FIRST walk for 28004 steps (0 resets) in 21705 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 24004 steps (0 resets) in 23318 ms. (1 steps per ms) remains 2/2 properties
Probabilistic random walk after 101969 steps, saw 101954 distinct states, run finished after 111215 ms. (steps per millisecond=0 ) properties seen :0
[2026-05-26 19:31:16] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 25000/50000 variables, and 10000 constraints, problems are : Problem set: 0 solved, 2 unsolved in 25254 ms.
Refiners :[Positive P Invariants (semi-flows): 10000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 25000/50000 variables, and 10000 constraints, problems are : Problem set: 0 solved, 2 unsolved in 25383 ms.
Refiners :[Positive P Invariants (semi-flows): 10000/10000 constraints, State Equation: 0/25000 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50787ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 125 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 109 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
[2026-05-26 19:32:07] [INFO ] Invariant cache hit.
[2026-05-26 19:32:20] [INFO ] Implicit Places using invariants in 13338 ms returned []
Implicit Place search using SMT only with invariants took 13341 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13453 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Knowledge based reduction with 1 factoid took 162 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 214 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
[2026-05-26 19:33:47] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) (NOT p2))
[2026-05-26 19:35:42] [INFO ] Invariant cache hit.
Could not prove EG (AND (NOT p0) p1)
Knowledge-based reduction took 471682 ms.
Stuttering acceptance computed with spot in 186 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Stuttering acceptance computed with spot in 219 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Product exploration timeout after 2590 steps with 0 reset in 10009 ms.
Product exploration timeout after 2480 steps with 0 reset in 10012 ms.
Spot run failed in 119 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin15577030204921995709
[2026-05-26 19:36:11] [INFO ] Built C files in 410ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15577030204921995709
Running compilation step : cd /tmp/ltsmin15577030204921995709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15577030204921995709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15577030204921995709;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 46 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
[2026-05-26 19:36:14] [INFO ] Invariant cache hit.
[2026-05-26 19:36:29] [INFO ] Implicit Places using invariants in 14808 ms returned []
Implicit Place search using SMT only with invariants took 14812 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 14859 ms. Remains : 25000/25000 places, 25000/25000 transitions.
Built C files in :
/tmp/ltsmin7830711279466073686
[2026-05-26 19:36:29] [INFO ] Built C files in 319ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7830711279466073686
Running compilation step : cd /tmp/ltsmin7830711279466073686;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7830711279466073686;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin7830711279466073686;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-26 19:36:34] [INFO ] Flatten gal took : 624 ms
[2026-05-26 19:36:35] [INFO ] Flatten gal took : 613 ms
[2026-05-26 19:36:35] [INFO ] Time to serialize gal into /tmp/LTL2527093435263941543.gal : 252 ms
[2026-05-26 19:36:35] [INFO ] Time to serialize properties into /tmp/LTL6375070844298617085.prop : 46 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2527093435263941543.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14049998607235012652.hoa' '-atoms' '/tmp/LTL6375070844298617085.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Detected timeout of ITS tools.
[2026-05-26 19:36:52] [INFO ] Flatten gal took : 590 ms
[2026-05-26 19:36:53] [INFO ] Flatten gal took : 985 ms
[2026-05-26 19:36:53] [INFO ] Time to serialize gal into /tmp/LTL11127196136187822397.gal : 128 ms
[2026-05-26 19:36:53] [INFO ] Time to serialize properties into /tmp/LTL14610348571749133347.ltl : 124 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11127196136187822397.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14610348571749133347.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Detected timeout of ITS tools.
[2026-05-26 19:37:09] [INFO ] Flatten gal took : 807 ms
[2026-05-26 19:37:09] [INFO ] Applying decomposition
[2026-05-26 19:37:10] [INFO ] Flatten gal took : 816 ms
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="Philosophers-COL-005000"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 Philosophers-COL-005000, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-smll-177969941900075"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-005000.tgz
mv Philosophers-COL-005000 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;