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-177969914400844.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-D04N050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914400844
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 8.3K Mar 8 14:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 8 14:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 8 14:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 8 14:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 16 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K Mar 8 14:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 8 14:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 8 14:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 8 14:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:31 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 9.3K 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-D04N050-LTLFireability-00
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-01
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-02
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-03
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-04
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-05
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-06
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-07
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-08
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-09
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-10
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-11
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-12
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-13
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-14
FORMULA_NAME PGCD-PT-D04N050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779841870034

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-D04N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 00:31:11] [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]
[2026-05-27 00:31:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:31:11] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2026-05-27 00:31:11] [INFO ] Transformed 15 places.
[2026-05-27 00:31:11] [INFO ] Transformed 15 transitions.
[2026-05-27 00:31:11] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 126 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA PGCD-PT-D04N050-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 8 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 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-12937282973613919192.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9617958784255404674.kers'
[2026-05-27 00:31:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12937282973613919192.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9617958784255404674.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 00:31:11] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9617958784255404674.kers
Total runtime 1 ms.
[2026-05-27 00:31:11] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 465ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 477ms
[2026-05-27 00:31:11] [INFO ] Invariant cache hit.
[2026-05-27 00:31:12] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-27 00:31:12] [INFO ] Invariant cache hit.
[2026-05-27 00:31:12] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:31:12] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 627 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:12] [INFO ] Invariant cache hit.
[2026-05-27 00:31:12] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 00:31:12] [INFO ] Invariant cache hit.
[2026-05-27 00:31:12] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:31:12] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 50 ms. Remains : 15/15 places, 15/15 transitions.
Support contains 15 out of 15 places after structural reductions.
[2026-05-27 00:31:12] [INFO ] Flatten gal took : 14 ms
[2026-05-27 00:31:12] [INFO ] Flatten gal took : 4 ms
[2026-05-27 00:31:12] [INFO ] Input system was already deterministic with 15 transitions.
Reduction of identical properties reduced properties to check from 19 to 15
RANDOM walk for 4720 steps (0 resets) in 30 ms. (152 steps per ms) remains 0/15 properties
FORMULA PGCD-PT-D04N050-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA PGCD-PT-D04N050-LTLFireability-03 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' '!((((p0 U p1)&&X(X(!p2))) U (!p2||G(!p0))))'
Support contains 8 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:12] [INFO ] Invariant cache hit.
[2026-05-27 00:31:12] [INFO ] Implicit Places using invariants in 29 ms returned [11, 12, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 32 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32 ms. Remains : 12/15 places, 15/15 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 p1)&&X(X(!p2))) U (!p2||G(!p0))))'
Stuttering acceptance computed with spot in 418 ms :[(AND p0 p2), (NOT p1), p2, p0, (AND p2 p0), true, p2, (AND p0 p2)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 3 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-00 finished in 533 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(p0)&&F(p1)))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:13] [INFO ] Invariant cache hit.
[2026-05-27 00:31:13] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 34 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 12/15 places, 15/15 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(p0)&&F(p1)))'
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-02 finished in 189 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 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 7 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:13] [INFO ] Invariant cache hit.
[2026-05-27 00:31:13] [INFO ] Implicit Places using invariants in 35 ms returned [10, 11, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 36 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44 ms. Remains : 11/15 places, 15/15 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 35 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 220 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 1 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-04 finished in 327 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(!(G(p0) U !F((X(X(!(p2 U p3)))&&p1)))))'
Support contains 8 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:13] [INFO ] Invariant cache hit.
[2026-05-27 00:31:13] [INFO ] Implicit Places using invariants in 26 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 13 /13 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 13/15 places, 15/15 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(!(G(p0) U !F((X(X(!(p2 U p3)))&&p1)))))'
Stuttering acceptance computed with spot in 510 ms :[(OR (NOT p1) p3), (OR (NOT p1) p3), (OR (NOT p1) p3), p3, (OR (AND p0 (NOT p1)) (AND p0 p3)), p3, p3, (OR (AND p0 (NOT p1)) (AND p0 p3)), (AND p0 p3), (AND p0 p3), (AND p0 p3)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-05
Product exploration explored 100000 steps with 13 reset in 210 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-05 finished in 804 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)) U ((G(p1) U p2)&&X(F(p2)))))'
Support contains 7 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:14] [INFO ] Invariant cache hit.
[2026-05-27 00:31:14] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 36 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 12/15 places, 15/15 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)) U ((G(p1) U p2)&&X(F(p2)))))'
Stuttering acceptance computed with spot in 237 ms :[(NOT p2), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 121 ms.
Stack based approach found an accepted trace after 6336 steps with 0 reset with depth 6337 and stack size 6061 in 12 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-06 finished in 459 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((((!p0||X(X(p0))) U (G((!p0||X(X(p0))))||((!p0||X(X(p0)))&&X(!p1)))) U (G((!p0||X(X(p0))))||(((!p0||X(X(p0))) U (G((!p0||X(X(p0))))||((!p0||X(X(p0)))&&X(!p1))))&&p2)))))'
Support contains 6 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:15] [INFO ] Invariant cache hit.
[2026-05-27 00:31:15] [INFO ] Implicit Places using invariants in 27 ms returned [10, 12, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 28 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 12/15 places, 15/15 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((((!p0||X(X(p0))) U (G((!p0||X(X(p0))))||(X(!p1)&&(!p0||X(X(p0)))))) U (G((!p0||X(X(p0))))||(((!p0||X(X(p0))) U (G((!p0||X(X(p0))))||((!p0||X(X(p0)))&&X(!p1))))&&p2)))))'
Stuttering acceptance computed with spot in 199 ms :[false, false, (NOT p0), false, (NOT p0), true]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-07
Entered a terminal (fully accepting) state of product in 18 steps with 2 reset in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-07 finished in 278 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(p0))'
Support contains 2 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:15] [INFO ] Invariant cache hit.
[2026-05-27 00:31:15] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 35 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 39 ms. Remains : 11/15 places, 15/15 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(p0))'
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-08
Product exploration explored 100000 steps with 4416 reset in 124 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 6 and stack size 6 in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-08 finished in 228 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(p0)&&(G(p1)||F((G(F(p2))||(F(p2)&&p3))))))'
Support contains 9 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:15] [INFO ] Invariant cache hit.
[2026-05-27 00:31:15] [INFO ] Implicit Places using invariants in 35 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 14/15 places, 15/15 transitions.
Applied a total of 0 rules in 11 ms. Remains 14 /14 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 14/15 places, 15/15 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(p0)&&(G(p1)||F((G(F(p2))||(F(p2)&&p3))))))'
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), true]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-09 finished in 377 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((G(!p1)||p0))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:16] [INFO ] Invariant cache hit.
[2026-05-27 00:31:16] [INFO ] Implicit Places using invariants in 30 ms returned [10, 11, 12, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 31 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 34 ms. Remains : 11/15 places, 15/15 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((G(p1)||p0))))'
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-11
Product exploration explored 100000 steps with 91 reset in 135 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 1 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-11 finished in 274 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(G((!p0||X(p1)))) U (p2 U p0)))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:16] [INFO ] Invariant cache hit.
[2026-05-27 00:31:16] [INFO ] Implicit Places using invariants in 32 ms returned [11, 12, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 32 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 12/15 places, 15/15 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(G((!p0||X(p1)))) U (p2 U p0)))'
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (AND p0 (NOT p1)), (NOT p1), true]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-12
Entered a terminal (fully accepting) state of product in 20 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-12 finished in 198 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(!p1))))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:16] [INFO ] Invariant cache hit.
[2026-05-27 00:31:16] [INFO ] Implicit Places using invariants in 32 ms returned [11, 12, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 33 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 38 ms. Remains : 12/15 places, 15/15 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(p1))))'
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-13
Product exploration explored 100000 steps with 321 reset in 123 ms.
Stack based approach found an accepted trace after 39 steps with 0 reset with depth 40 and stack size 40 in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-13 finished in 303 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(X(G(p0)))))'
Support contains 2 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:16] [INFO ] Invariant cache hit.
[2026-05-27 00:31:16] [INFO ] Implicit Places using invariants in 29 ms returned [10, 12, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 29 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 11/15 places, 15/15 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(X(G(p0)))))'
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-14 finished in 232 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(X(X(F((X(G(!p1))&&p0)))))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:31:17] [INFO ] Invariant cache hit.
[2026-05-27 00:31:17] [INFO ] Implicit Places using invariants in 29 ms returned [10, 12, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 30 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 11/15 places, 15/15 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(X(X(F((X(G(p1))&&p0)))))))'
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PGCD-PT-D04N050-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 137 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA PGCD-PT-D04N050-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N050-LTLFireability-15 finished in 443 ms.
All properties solved by simple procedures.
Total runtime 6318 ms.

BK_STOP 1779841877503

--------------------
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-D04N050"
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-D04N050, 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-177969914400844"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N050.tgz
mv PGCD-PT-D04N050 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 ;