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.r194-tall-177969914300812.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)
.................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PGCD-PT-D02N006, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300812
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 5.6K Mar 8 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Mar 8 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 8 14:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 8 14:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 16 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 8 14:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 8 14:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 8 14:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 8 14:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 5.6K 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 PGCD-PT-D02N006-LTLFireability-00
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-01
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-02
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-03
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-04
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-05
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-06
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-07
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-08
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-09
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-10
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-11
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-12
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-13
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-14
FORMULA_NAME PGCD-PT-D02N006-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779837530041

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D02N006
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-26 23:18:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 23:18:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 23:18:51] [INFO ] Load time of PNML (sax parser for PT used): 28 ms
[2026-05-26 23:18:51] [INFO ] Transformed 9 places.
[2026-05-26 23:18:51] [INFO ] Transformed 9 transitions.
[2026-05-26 23:18:51] [INFO ] Parsed PT model containing 9 places and 9 transitions and 42 arcs in 121 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA PGCD-PT-D02N006-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D02N006-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D02N006-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 7 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 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-2940971752761760719.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14274610921696803913.kers'
[2026-05-26 23:18:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2940971752761760719.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14274610921696803913.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 9 rows 6 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-26 23:18:51] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14274610921696803913.kers
Total runtime 1 ms.
[2026-05-26 23:18:51] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 311ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 319ms
[2026-05-26 23:18:51] [INFO ] Invariant cache hit.
[2026-05-26 23:18:51] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 23:18:51] [INFO ] Invariant cache hit.
[2026-05-26 23:18:51] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:18:51] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 446 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:51] [INFO ] Invariant cache hit.
[2026-05-26 23:18:51] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 23:18:51] [INFO ] Invariant cache hit.
[2026-05-26 23:18:51] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:18:51] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 50 ms. Remains : 9/9 places, 9/9 transitions.
Support contains 9 out of 9 places after structural reductions.
[2026-05-26 23:18:52] [INFO ] Flatten gal took : 14 ms
[2026-05-26 23:18:52] [INFO ] Flatten gal took : 3 ms
[2026-05-26 23:18:52] [INFO ] Input system was already deterministic with 9 transitions.
Reduction of identical properties reduced properties to check from 13 to 11
RANDOM walk for 582 steps (0 resets) in 26 ms. (21 steps per ms) remains 0/11 properties
FORMULA PGCD-PT-D02N006-LTLFireability-13 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' '!(X(X(G(p0))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:52] [INFO ] Invariant cache hit.
[2026-05-26 23:18:52] [INFO ] Implicit Places using invariants in 29 ms returned [7, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 7/9 places, 9/9 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' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 238 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-01 finished in 338 ms.
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' '!(X(X((F((!p0 U (G(!p0)||(!p0&&G(!p1))))) U X(X(G(p0)))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:52] [INFO ] Invariant cache hit.
[2026-05-26 23:18:52] [INFO ] Implicit Places using invariants in 22 ms returned [7, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24 ms. Remains : 7/9 places, 9/9 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' '!(X(X((F((!p0 U (G(!p0)||(!p0&&G(!p1))))) U X(X(G(p0)))))))'
Stuttering acceptance computed with spot in 321 ms :[(NOT p0), (NOT p0), false, (NOT p0), false, p0, (AND p0 p1)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-02
Product exploration explored 100000 steps with 5 reset in 285 ms.
Stack based approach found an accepted trace after 87 steps with 13 reset with depth 12 and stack size 12 in 1 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-02 finished in 679 ms.
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' '!((G(p0)||X(X(X(p1)))||G(p2)))'
Support contains 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:53] [INFO ] Invariant cache hit.
[2026-05-26 23:18:53] [INFO ] Implicit Places using invariants in 22 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 26 ms. Remains : 8/9 places, 9/9 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' '!((G(p0)||X(X(X(p1)))||G(p2)))'
Stuttering acceptance computed with spot in 662 ms :[(NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), true, (NOT p1)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-03
Entered a terminal (fully accepting) state of product in 94 steps with 1 reset in 1 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-03 finished in 728 ms.
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' '!((X(X(p0))&&(G(F(p1)) U (p2 U p3))))'
Support contains 8 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:54] [INFO ] Invariant cache hit.
[2026-05-26 23:18:54] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 23:18:54] [INFO ] Invariant cache hit.
[2026-05-26 23:18:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:18:54] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 38 ms. Remains : 9/9 places, 9/9 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' '!((X(X(p0))&&(G(F(p1)) U (p2 U p3))))'
Stuttering acceptance computed with spot in 236 ms :[(OR (NOT p3) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p3), (NOT p0), true]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-05 finished in 312 ms.
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' '!((p0 U (F(p1) U X((X(p0)||(F(p3)&&p2))))))'
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:54] [INFO ] Invariant cache hit.
[2026-05-26 23:18:54] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-26 23:18:54] [INFO ] Invariant cache hit.
[2026-05-26 23:18:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:18:54] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 53 ms. Remains : 9/9 places, 9/9 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' '!((p0 U (F(p1) U X((X(p0)||(F(p3)&&p2))))))'
Stuttering acceptance computed with spot in 514 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p3) (NOT p0)), (AND (NOT p0) (NOT p3)), (NOT p1), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-06
Product exploration explored 100000 steps with 46143 reset in 147 ms.
Product exploration explored 100000 steps with 46133 reset in 169 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 13 factoid took 249 ms. Proved property starting from automaton with 12 states, 26 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 257 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-PT-D02N006-LTLFireability-06 finished in 1185 ms.
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' '!(G(F(p0)))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 4 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:55] [INFO ] Invariant cache hit.
[2026-05-26 23:18:55] [INFO ] Implicit Places using invariants in 23 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 24 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29 ms. Remains : 6/9 places, 9/9 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' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-08
Product exploration explored 100000 steps with 2910 reset in 177 ms.
Stack based approach found an accepted trace after 10 steps with 1 reset with depth 7 and stack size 7 in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-08 finished in 312 ms.
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(G((X(X(X(p0)))||F((!p0 U (p1||G(!p0))))))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:56] [INFO ] Invariant cache hit.
[2026-05-26 23:18:56] [INFO ] Implicit Places using invariants in 25 ms returned [7, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 28 ms. Remains : 7/9 places, 9/9 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(G((X(X(X(p0)))||F((!p0 U (p1||G(!p0))))))))'
Stuttering acceptance computed with spot in 72 ms :[false, false]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-09
Product exploration explored 100000 steps with 843 reset in 120 ms.
Stack based approach found an accepted trace after 21 steps with 0 reset with depth 22 and stack size 22 in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-09 finished in 256 ms.
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(p1)||p0))&&X(G(!p1))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:56] [INFO ] Invariant cache hit.
[2026-05-26 23:18:56] [INFO ] Implicit Places using invariants in 62 ms returned [7, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 63 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 63 ms. Remains : 7/9 places, 9/9 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(p1)||p0))&&X(G(!p1))))'
Stuttering acceptance computed with spot in 135 ms :[p1, true, (OR (NOT p0) p1), (OR (NOT p0) p1)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-10 finished in 234 ms.
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(G(p0)))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:56] [INFO ] Invariant cache hit.
[2026-05-26 23:18:56] [INFO ] Implicit Places using invariants in 26 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 27 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29 ms. Remains : 6/9 places, 9/9 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(G(p0)))'
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 101 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-11 finished in 192 ms.
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' '!(X((X(!p0) U ((X(!p0)&&(!p1||F(!p2)))||X(G(!p0))))))'
Support contains 8 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:56] [INFO ] Invariant cache hit.
[2026-05-26 23:18:56] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 23:18:56] [INFO ] Invariant cache hit.
[2026-05-26 23:18:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:18:56] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 42 ms. Remains : 9/9 places, 9/9 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' '!(X((X(!p0) U (X(G(!p0))||(X(!p0)&&(!p1||F(!p2)))))))'
Stuttering acceptance computed with spot in 259 ms :[p0, p0, p0, (AND p0 p2), true, (AND p2 p0), p2]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-12 finished in 338 ms.
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' '!(G((F(!p0)&&F(G(!p1)))))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:57] [INFO ] Invariant cache hit.
[2026-05-26 23:18:57] [INFO ] Implicit Places using invariants in 20 ms returned [6, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 21 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 7/9 places, 9/9 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' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-14
Product exploration explored 100000 steps with 7 reset in 120 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-14 finished in 288 ms.
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' '!(X(X(F((G(p1)||p0)))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:18:57] [INFO ] Invariant cache hit.
[2026-05-26 23:18:57] [INFO ] Implicit Places using invariants in 32 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 8/9 places, 9/9 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' '!(X(X(F((G(p1)||p0)))))'
Stuttering acceptance computed with spot in 120 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-PT-D02N006-LTLFireability-15
Product exploration explored 100000 steps with 25146 reset in 79 ms.
Stack based approach found an accepted trace after 36 steps with 9 reset with depth 5 and stack size 5 in 0 ms.
FORMULA PGCD-PT-D02N006-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N006-LTLFireability-15 finished in 271 ms.
All properties solved by simple procedures.
Total runtime 6519 ms.

BK_STOP 1779837537701

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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
++ 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 LTLFireability -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="PGCD-PT-D02N006"
export BK_EXAMINATION="LTLFireability"
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 PGCD-PT-D02N006, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r194-tall-177969914300812"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D02N006.tgz
mv PGCD-PT-D02N006 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;