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.r130-smll-177955809000324.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-06a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000324
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.9K Mar 7 06:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 06:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 06:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 7 06:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 06:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 7 06:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 06:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 7 06:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 41K 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 FlexibleBarrier-PT-06a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-06a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779868650981

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-06a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 07:57:33] [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 07:57:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 07:57:33] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2026-05-27 07:57:33] [INFO ] Transformed 75 places.
[2026-05-27 07:57:33] [INFO ] Transformed 154 transitions.
[2026-05-27 07:57:33] [INFO ] Found NUPN structural information;
[2026-05-27 07:57:33] [INFO ] Parsed PT model containing 75 places and 154 transitions and 599 arcs in 386 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 26 transitions
Reduce redundant transitions removed 26 transitions.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06a-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 128/128 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 75 transition count 122
Applied a total of 6 rules in 40 ms. Remains 75 /75 variables (removed 0) and now considering 122/128 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2183125112245574609.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17896166108492810510.kers'
[2026-05-27 07:57:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2183125112245574609.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17896166108492810510.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 122 rows 73 cols 299 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-27 07:57:34] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17896166108492810510.kers
Total runtime 2 ms.
[2026-05-27 07:57:34] [INFO ] Implicit Places using invariants in 352 ms returned []
[2026-05-27 07:57:34] [INFO ] Invariant cache hit.
[2026-05-27 07:57:34] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-27 07:57:34] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 715 ms to find 0 implicit places.
Running 121 sub problems to find dead transitions.
[2026-05-27 07:57:34] [INFO ] Invariant cache hit.
[2026-05-27 07:57:34] [INFO ] State equation strengthened by 61 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 1/75 variables, 8/82 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (OVERLAPS) 122/197 variables, 75/158 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 61/219 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 8 (OVERLAPS) 0/197 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Real declared 197/197 variables, and 219 constraints, problems are : Problem set: 0 solved, 121 unsolved in 7985 ms.
Refiners :[Domain max(s): 75/75 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 75/75 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 1/75 variables, 8/82 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (OVERLAPS) 122/197 variables, 75/158 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 61/219 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 121/340 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/197 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 9 (OVERLAPS) 0/197 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Int declared 197/197 variables, and 340 constraints, problems are : Problem set: 0 solved, 121 unsolved in 6444 ms.
Refiners :[Domain max(s): 75/75 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 75/75 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14578ms problems are : Problem set: 0 solved, 121 unsolved
Search for dead transitions found 0 dead transitions in 14607ms
Starting structural reductions in LTL mode, iteration 1 : 75/75 places, 122/128 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15435 ms. Remains : 75/75 places, 122/128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 6 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:49] [INFO ] Invariant cache hit.
[2026-05-27 07:57:49] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-05-27 07:57:49] [INFO ] Invariant cache hit.
[2026-05-27 07:57:49] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-27 07:57:49] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 316 ms. Remains : 75/75 places, 122/122 transitions.
Support contains 31 out of 75 places after structural reductions.
[2026-05-27 07:57:50] [INFO ] Flatten gal took : 64 ms
[2026-05-27 07:57:50] [INFO ] Flatten gal took : 26 ms
[2026-05-27 07:57:50] [INFO ] Input system was already deterministic with 122 transitions.
Reduction of identical properties reduced properties to check from 35 to 32
RANDOM walk for 1513 steps (0 resets) in 238 ms. (6 steps per ms) remains 0/32 properties
Computed a total of 3 stabilizing places and 1 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((p0||X((G(p1) U (G(p1)&&p2))))))'
Support contains 3 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 5 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:51] [INFO ] Invariant cache hit.
[2026-05-27 07:57:51] [INFO ] Implicit Places using invariants in 165 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 169 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 179 ms. Remains : 74/75 places, 122/122 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) U (G(p0)&&p1)))||p2)))'
Stuttering acceptance computed with spot in 624 ms :[(NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-00 finished in 947 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(p0)&&X(X(p1)))))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:52] [INFO ] Invariant cache hit.
[2026-05-27 07:57:52] [INFO ] Implicit Places using invariants in 163 ms returned [74]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 165 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 174 ms. Remains : 74/75 places, 122/122 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(p0)&&X(X(p1)))))))'
Stuttering acceptance computed with spot in 448 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-02
Product exploration explored 100000 steps with 1 reset in 563 ms.
Stack based approach found an accepted trace after 652 steps with 1 reset with depth 648 and stack size 633 in 15 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-02 finished in 1257 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((G(p1)&&(!p2 U (p3||G(!p2)))))))'
Support contains 6 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:53] [INFO ] Invariant cache hit.
[2026-05-27 07:57:53] [INFO ] Implicit Places using invariants in 136 ms returned [74]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 137 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 146 ms. Remains : 74/75 places, 122/122 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((G(p1)&&(!p2 U (p3||G(!p2)))))))'
Stuttering acceptance computed with spot in 368 ms :[true, (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (OR (NOT p1) (AND p2 (NOT p3))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-04 finished in 568 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||X(X((G(p1)||(p2&&G(p3)))))))))'
Support contains 5 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:53] [INFO ] Invariant cache hit.
[2026-05-27 07:57:53] [INFO ] Implicit Places using invariants in 147 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 149 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 157 ms. Remains : 74/75 places, 122/122 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||X(X((G(p1)||(p2&&G(p3)))))))))'
Stuttering acceptance computed with spot in 476 ms :[true, (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (NOT p1), (AND (NOT p3) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-05 finished in 687 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((F(G(!p0)) U p1))) U (X(p2) U ((!p1&&X(p2))||X(G(p2))))))'
Support contains 5 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:54] [INFO ] Invariant cache hit.
[2026-05-27 07:57:54] [INFO ] Implicit Places using invariants in 144 ms returned [74]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 145 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 153 ms. Remains : 74/75 places, 122/122 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((F(G(!p0)) U p1))) U (X(p2) U (X(G(p2))||(!p1&&X(p2))))))'
Stuttering acceptance computed with spot in 452 ms :[(AND (NOT p1) (NOT p2)), (NOT p2), false, (NOT p2), p0, (NOT p1), (NOT p1), (AND p0 p1 (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 659 ms.
Product exploration explored 100000 steps with 50000 reset in 403 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 13 factoid took 16 ms. Proved property starting from automaton with 8 states, 22 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 27 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-06 finished in 1779 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&&F(p1))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Graph (trivial) has 53 edges and 75 vertex of which 9 / 75 are part of one of the 3 SCC in 3 ms
Free SCC test removed 6 places
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 39 place count 50 transition count 94
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 0 with 18 rules applied. Total rules applied 57 place count 50 transition count 76
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 58 place count 50 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 59 place count 49 transition count 75
Iterating global reduction 0 with 1 rules applied. Total rules applied 60 place count 49 transition count 75
Applied a total of 60 rules in 62 ms. Remains 49 /75 variables (removed 26) and now considering 75/122 (removed 47) transitions.
[2026-05-27 07:57:56] [INFO ] Flow matrix only has 67 transitions (discarded 8 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11828213892689780243.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16534513385092643033.kers'
[2026-05-27 07:57:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11828213892689780243.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16534513385092643033.kers]
Normalized transition count is 66 out of 67 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 66 rows 47 cols 145 entries
Finished phase 1 with 41 SingleSign rule and 0 generalized
[2026-05-27 07:57:56] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16534513385092643033.kers
Total runtime 2 ms.
[2026-05-27 07:57:56] [INFO ] Implicit Places using invariants in 120 ms returned [48]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 122 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 48/75 places, 75/122 transitions.
Graph (trivial) has 56 edges and 48 vertex of which 9 / 48 are part of one of the 3 SCC in 0 ms
Free SCC test removed 6 places
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 42 transition count 57
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 36 transition count 57
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 13 place count 36 transition count 51
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 25 place count 30 transition count 51
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 43 place count 21 transition count 42
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 49 place count 21 transition count 36
Applied a total of 49 rules in 22 ms. Remains 21 /48 variables (removed 27) and now considering 36/75 (removed 39) transitions.
[2026-05-27 07:57:56] [INFO ] Flow matrix only has 28 transitions (discarded 8 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4352021749560744464.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15079920178317108693.kers'
[2026-05-27 07:57:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4352021749560744464.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15079920178317108693.kers]
Normalized transition count is 27 out of 28 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 27 rows 20 cols 67 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-27 07:57:56] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15079920178317108693.kers
Total runtime 1 ms.
[2026-05-27 07:57:56] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-27 07:57:56] [INFO ] Flow matrix only has 28 transitions (discarded 8 similar events)
[2026-05-27 07:57:56] [INFO ] Invariant cache hit.
[2026-05-27 07:57:56] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-27 07:57:56] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/75 places, 36/122 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 294 ms. Remains : 21/75 places, 36/122 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((F(p0)&&p1)))'
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-07 finished in 406 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) U X(X(X(p1)))))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1643808808733715389.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7272444405814890421.kers'
[2026-05-27 07:57:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1643808808733715389.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7272444405814890421.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 122 rows 73 cols 299 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-27 07:57:56] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7272444405814890421.kers
Total runtime 1 ms.
[2026-05-27 07:57:56] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-05-27 07:57:56] [INFO ] Invariant cache hit.
[2026-05-27 07:57:56] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-27 07:57:57] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 297 ms. Remains : 75/75 places, 122/122 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) U X(X(X(p1)))))'
Stuttering acceptance computed with spot in 626 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-08
Product exploration explored 100000 steps with 568 reset in 383 ms.
Stack based approach found an accepted trace after 100 steps with 1 reset with depth 18 and stack size 18 in 1 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-08 finished in 1364 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 U X((p1||F(p2))))))'
Support contains 6 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2026-05-27 07:57:58] [INFO ] Invariant cache hit.
[2026-05-27 07:57:58] [INFO ] Implicit Places using invariants in 127 ms returned [74]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 130 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 138 ms. Remains : 74/75 places, 122/122 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 U X((F(p1)||p2)))))'
Stuttering acceptance computed with spot in 280 ms :[(NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-09
Product exploration explored 100000 steps with 5460 reset in 279 ms.
Stack based approach found an accepted trace after 57 steps with 5 reset with depth 24 and stack size 24 in 1 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-09 finished in 750 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 3 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Graph (trivial) has 58 edges and 75 vertex of which 15 / 75 are part of one of the 5 SCC in 1 ms
Free SCC test removed 10 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 39 place count 46 transition count 87
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 0 with 19 rules applied. Total rules applied 58 place count 46 transition count 68
Applied a total of 58 rules in 23 ms. Remains 46 /75 variables (removed 29) and now considering 68/122 (removed 54) transitions.
[2026-05-27 07:57:58] [INFO ] Flow matrix only has 58 transitions (discarded 10 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12322134827815932678.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13249269789431742375.kers'
[2026-05-27 07:57:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12322134827815932678.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13249269789431742375.kers]
Normalized transition count is 57 out of 58 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 57 rows 44 cols 119 entries
Finished phase 1 with 38 SingleSign rule and 0 generalized
[2026-05-27 07:57:58] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13249269789431742375.kers
Total runtime 1 ms.
[2026-05-27 07:57:58] [INFO ] Implicit Places using invariants in 106 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 109 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 45/75 places, 68/122 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 45 transition count 62
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 39 transition count 62
Applied a total of 12 rules in 11 ms. Remains 39 /45 variables (removed 6) and now considering 62/68 (removed 6) transitions.
[2026-05-27 07:57:58] [INFO ] Flow matrix only has 52 transitions (discarded 10 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2213613449044010835.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14461477074605384987.kers'
[2026-05-27 07:57:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2213613449044010835.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14461477074605384987.kers]
Normalized transition count is 51 out of 52 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 51 rows 38 cols 107 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-27 07:57:58] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14461477074605384987.kers
Total runtime 1 ms.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants in 70 ms returned []
[2026-05-27 07:57:59] [INFO ] Flow matrix only has 52 transitions (discarded 10 similar events)
[2026-05-27 07:57:59] [INFO ] Invariant cache hit.
[2026-05-27 07:57:59] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/75 places, 62/122 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 360 ms. Remains : 39/75 places, 62/122 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 107 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-10 finished in 506 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)&&F(p1))))'
Support contains 6 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Graph (trivial) has 49 edges and 75 vertex of which 6 / 75 are part of one of the 2 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 37 place count 53 transition count 100
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 49 place count 53 transition count 88
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 51 place count 53 transition count 88
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 53 place count 51 transition count 86
Iterating global reduction 0 with 2 rules applied. Total rules applied 55 place count 51 transition count 86
Applied a total of 55 rules in 26 ms. Remains 51 /75 variables (removed 24) and now considering 86/122 (removed 36) transitions.
[2026-05-27 07:57:59] [INFO ] Flow matrix only has 79 transitions (discarded 7 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15221653507629232908.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9392558029421278292.kers'
[2026-05-27 07:57:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15221653507629232908.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9392558029421278292.kers]
Normalized transition count is 78 out of 79 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 78 rows 49 cols 185 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-27 07:57:59] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9392558029421278292.kers
Total runtime 1 ms.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants in 122 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 123 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 50/75 places, 86/122 transitions.
Graph (trivial) has 54 edges and 50 vertex of which 6 / 50 are part of one of the 2 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 46 transition count 72
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 40 transition count 72
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 13 place count 40 transition count 66
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 25 place count 34 transition count 66
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 45 place count 24 transition count 56
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 24 transition count 50
Applied a total of 51 rules in 9 ms. Remains 24 /50 variables (removed 26) and now considering 50/86 (removed 36) transitions.
[2026-05-27 07:57:59] [INFO ] Flow matrix only has 41 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15115642790745196800.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-479610672925098725.kers'
[2026-05-27 07:57:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15115642790745196800.kers, --Pflows, --basisKERS=/tmp/petrispot-output-479610672925098725.kers]
Normalized transition count is 40 out of 41 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 40 rows 23 cols 109 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-27 07:57:59] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-479610672925098725.kers
Total runtime 0 ms.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-27 07:57:59] [INFO ] Flow matrix only has 41 transitions (discarded 9 similar events)
[2026-05-27 07:57:59] [INFO ] Invariant cache hit.
[2026-05-27 07:57:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/75 places, 50/122 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 242 ms. Remains : 24/75 places, 50/122 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)&&F(p1))))'
Stuttering acceptance computed with spot in 122 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-11 finished in 400 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(p0)&&(p1||G(p2)))) U X(p3)))'
Support contains 4 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 1 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2216699273029933992.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16574773611478972599.kers'
[2026-05-27 07:57:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2216699273029933992.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16574773611478972599.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 122 rows 73 cols 299 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-27 07:57:59] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16574773611478972599.kers
Total runtime 1 ms.
[2026-05-27 07:57:59] [INFO ] Implicit Places using invariants in 85 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 87 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/75 places, 122/122 transitions.
Applied a total of 0 rules in 1 ms. Remains 74 /74 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 74/75 places, 122/122 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(p0)&&(p1||G(p2)))) U X(p3)))'
Stuttering acceptance computed with spot in 540 ms :[(NOT p3), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p3))), (NOT p3), (AND (NOT p0) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3) p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-12
Product exploration explored 100000 steps with 175 reset in 272 ms.
Stack based approach found an accepted trace after 23 steps with 0 reset with depth 24 and stack size 24 in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-12 finished in 979 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 3 out of 75 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Graph (trivial) has 58 edges and 75 vertex of which 18 / 75 are part of one of the 6 SCC in 0 ms
Free SCC test removed 12 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 35 place count 46 transition count 83
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 0 with 15 rules applied. Total rules applied 50 place count 46 transition count 68
Applied a total of 50 rules in 15 ms. Remains 46 /75 variables (removed 29) and now considering 68/122 (removed 54) transitions.
[2026-05-27 07:58:00] [INFO ] Flow matrix only has 58 transitions (discarded 10 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3960687280595045725.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7331283649803770851.kers'
[2026-05-27 07:58:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3960687280595045725.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7331283649803770851.kers]
Normalized transition count is 57 out of 58 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 57 rows 44 cols 119 entries
Finished phase 1 with 38 SingleSign rule and 0 generalized
[2026-05-27 07:58:00] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7331283649803770851.kers
Total runtime 1 ms.
[2026-05-27 07:58:00] [INFO ] Implicit Places using invariants in 145 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 146 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 45/75 places, 68/122 transitions.
Graph (trivial) has 57 edges and 45 vertex of which 15 / 45 are part of one of the 5 SCC in 1 ms
Free SCC test removed 10 places
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 35 transition count 42
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 29 transition count 42
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 13 place count 29 transition count 37
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 23 place count 24 transition count 37
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 37 place count 17 transition count 30
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 44 place count 17 transition count 23
Applied a total of 44 rules in 8 ms. Remains 17 /45 variables (removed 28) and now considering 23/68 (removed 45) transitions.
[2026-05-27 07:58:00] [INFO ] Flow matrix only has 18 transitions (discarded 5 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17983269692405551926.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11921939427911725727.kers'
[2026-05-27 07:58:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17983269692405551926.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11921939427911725727.kers]
Normalized transition count is 17 out of 18 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 17 rows 16 cols 39 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-27 07:58:00] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11921939427911725727.kers
Total runtime 1 ms.
[2026-05-27 07:58:00] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-27 07:58:00] [INFO ] Flow matrix only has 18 transitions (discarded 5 similar events)
[2026-05-27 07:58:00] [INFO ] Invariant cache hit.
[2026-05-27 07:58:00] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-27 07:58:00] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/75 places, 23/122 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 274 ms. Remains : 17/75 places, 23/122 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 159 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-13 finished in 472 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))||(p1&&X(p2))))&&(!p3 U (p4||G(!p3)))))'
Support contains 6 out of 75 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 75/75 places, 122/122 transitions.
Applied a total of 0 rules in 8 ms. Remains 75 /75 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15342922336659353131.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9214393166819811463.kers'
[2026-05-27 07:58:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15342922336659353131.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9214393166819811463.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 122 rows 73 cols 299 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-27 07:58:01] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9214393166819811463.kers
Total runtime 1 ms.
[2026-05-27 07:58:01] [INFO ] Implicit Places using invariants in 111 ms returned []
[2026-05-27 07:58:01] [INFO ] Invariant cache hit.
[2026-05-27 07:58:01] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-27 07:58:01] [INFO ] Implicit Places using invariants and state equation in 206 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 328 ms. Remains : 75/75 places, 122/122 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))||(p1&&X(p2))))&&(!p3 U (p4||G(!p3)))))'
Stuttering acceptance computed with spot in 322 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)) (AND p3 (NOT p4))), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p4) p3), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-06a-LTLFireability-15
Product exploration explored 100000 steps with 551 reset in 246 ms.
Stack based approach found an accepted trace after 78 steps with 0 reset with depth 79 and stack size 79 in 0 ms.
FORMULA FlexibleBarrier-PT-06a-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-06a-LTLFireability-15 finished in 949 ms.
All properties solved by simple procedures.
Total runtime 28867 ms.

BK_STOP 1779868682223

--------------------
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="FlexibleBarrier-PT-06a"
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 FlexibleBarrier-PT-06a, 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 r130-smll-177955809000324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-06a.tgz
mv FlexibleBarrier-PT-06a 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 ;