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-177969914400836.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-D04N025, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914400836
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 7.1K Mar 8 14:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 8 14:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 8 14:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 8 14:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 17K Mar 16 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 8 14:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 8 14:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 8 14:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 8 14:40 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-D04N025-LTLFireability-00
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-01
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-02
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-03
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-04
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-05
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-06
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-07
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-08
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-09
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-10
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-11
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-12
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-13
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-14
FORMULA_NAME PGCD-PT-D04N025-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779840198231

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-D04N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 00:03:19] [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 00:03:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:03:19] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2026-05-27 00:03:19] [INFO ] Transformed 15 places.
[2026-05-27 00:03:19] [INFO ] Transformed 15 transitions.
[2026-05-27 00:03:19] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 121 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
FORMULA PGCD-PT-D04N025-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-LTLFireability-14 FALSE 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 7 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-8234499410944046180.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4442499136987325707.kers'
[2026-05-27 00:03:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8234499410944046180.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4442499136987325707.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 00:03:19] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4442499136987325707.kers
Total runtime 1 ms.
[2026-05-27 00:03:19] [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 245 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 125 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 421ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 429ms
[2026-05-27 00:03:20] [INFO ] Invariant cache hit.
[2026-05-27 00:03:20] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-27 00:03:20] [INFO ] Invariant cache hit.
[2026-05-27 00:03:20] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:03:20] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 556 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 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:20] [INFO ] Invariant cache hit.
[2026-05-27 00:03:20] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-27 00:03:20] [INFO ] Invariant cache hit.
[2026-05-27 00:03:20] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:03:20] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 15/15 places, 15/15 transitions.
Support contains 15 out of 15 places after structural reductions.
[2026-05-27 00:03:20] [INFO ] Flatten gal took : 14 ms
[2026-05-27 00:03:20] [INFO ] Flatten gal took : 5 ms
[2026-05-27 00:03:20] [INFO ] Input system was already deterministic with 15 transitions.
Reduction of identical properties reduced properties to check from 15 to 12
RANDOM walk for 3614 steps (0 resets) in 48 ms. (73 steps per ms) remains 0/12 properties
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((X((p0||X(!p1))) U ((!p1&&X((p0||X(!p1))))||X(G((p0||X(!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 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:20] [INFO ] Invariant cache hit.
[2026-05-27 00:03:20] [INFO ] Implicit Places using invariants in 39 ms returned [12, 13, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 53 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 55 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(X((X((X(!p0)||p1)) U (X(G((p1||X(!p0))))||(!p0&&X((p1||X(!p0)))))))))'
Stuttering acceptance computed with spot in 407 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), p0, true, (AND (NOT p1) p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-01
Entered a terminal (fully accepting) state of product in 13 steps with 1 reset in 2 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-01 finished in 554 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||X((p1||F(G(p2))))))))'
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 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:21] [INFO ] Invariant cache hit.
[2026-05-27 00:03:21] [INFO ] Implicit Places using invariants in 36 ms returned [11, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 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 1 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 39 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' '!(F(G((X((p0||F(G(p1))))||p2))))'
Stuttering acceptance computed with spot in 121 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-02
Product exploration explored 100000 steps with 379 reset in 262 ms.
Stack based approach found an accepted trace after 4737 steps with 8 reset with depth 759 and stack size 724 in 10 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-02 finished in 469 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(((p1 U p2)&&p0))&&(X(p3)||G(p4))))'
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 00:03:21] [INFO ] Invariant cache hit.
[2026-05-27 00:03:21] [INFO ] Implicit Places using invariants in 31 ms returned [12, 14]
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 : 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 34 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' '!((F(((p1 U p2)&&p0))&&(X(p3)||G(p4))))'
Stuttering acceptance computed with spot in 317 ms :[(OR (NOT p2) (NOT p0) (AND (NOT p3) (NOT p4))), (OR (NOT p0) (NOT p2)), (NOT p3), (AND (NOT p4) (NOT p3)), (NOT p2), true, (NOT p4)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-06
Entered a terminal (fully accepting) state of product in 28 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-06 finished in 386 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 6 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:22] [INFO ] Invariant cache hit.
[2026-05-27 00:03:22] [INFO ] Implicit Places using invariants in 36 ms returned [10, 11, 12, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 37 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 2 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 45 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 34 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 154 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-08 finished in 255 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||(X(F(p0))&&p1)))))'
Support contains 2 out of 15 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
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 00:03:22] [INFO ] Invariant cache hit.
[2026-05-27 00:03:22] [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 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 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((p0||(X(F(p0))&&p1)))))'
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-09
Product exploration explored 100000 steps with 338 reset in 144 ms.
Stack based approach found an accepted trace after 548 steps with 2 reset with depth 165 and stack size 159 in 1 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-09 finished in 286 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(!p1)||p0)))) U G(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 00:03:22] [INFO ] Invariant cache hit.
[2026-05-27 00:03:22] [INFO ] Implicit Places using invariants in 33 ms returned [10, 11, 12]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 35 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 37 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((X(X(X((F(!p1)||p0)))) U G(p2))))'
Stuttering acceptance computed with spot in 394 ms :[(NOT p2), (NOT p2), (AND p1 (NOT p0)), (AND p1 (NOT p0) (NOT p2)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), p1, (AND p1 (NOT p0) (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-11
Product exploration explored 100000 steps with 5606 reset in 122 ms.
Stack based approach found an accepted trace after 218 steps with 35 reset with depth 10 and stack size 10 in 0 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-11 finished in 591 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 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 00:03:23] [INFO ] Invariant cache hit.
[2026-05-27 00:03:23] [INFO ] Implicit Places using invariants in 28 ms returned [10, 11, 12, 13]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 29 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 32 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 39 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 122 ms.
Stack based approach found an accepted trace after 1008 steps with 0 reset with depth 1009 and stack size 953 in 2 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-12 finished in 223 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((G((p0 U !p1))||(F(!p2) U p3))) U p3) U G(p0)))'
Support contains 8 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 00:03:23] [INFO ] Invariant cache hit.
[2026-05-27 00:03:23] [INFO ] Implicit Places using invariants in 25 ms returned [10, 12, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 26 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 30 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((G((p0 U !p1))||(F(!p2) U p3))) U p3) U G(p0)))'
Stuttering acceptance computed with spot in 381 ms :[(NOT p0), p2, (NOT p3), (AND p1 (NOT p3)), (NOT p3), (AND p1 p2 p3), false, (AND p2 (NOT p0) p3 p1), (AND p1 (NOT p3)), (AND p1 p2)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-13
Product exploration explored 100000 steps with 3773 reset in 208 ms.
Stack based approach found an accepted trace after 9165 steps with 23 reset with depth 38 and stack size 37 in 20 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-13 finished in 688 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(((X(p0) U (X(X(p0))&&F(p1))) U p0)) U X(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 00:03:24] [INFO ] Invariant cache hit.
[2026-05-27 00:03:24] [INFO ] Implicit Places using invariants in 35 ms returned [11, 13, 14]
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 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 36 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(((X(p0) U (X(X(p0))&&F(p1))) U p0)) U X(p2)))'
Stuttering acceptance computed with spot in 436 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (NOT p0), true, (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLFireability-15
Entered a terminal (fully accepting) state of product in 152 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLFireability-15 finished in 580 ms.
All properties solved by simple procedures.
Total runtime 5499 ms.

BK_STOP 1779840204904

--------------------
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-D04N025"
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-D04N025, 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-177969914400836"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 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 ;