About the Execution of ITS-Tools for FlexibleBarrier-PT-12a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 435.928 | 78585.00 | 110224.00 | 466.50 | FFFFFFFFFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100372.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-12a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100372
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 8.5K Mar 7 05:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 05:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:33 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 17 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 05:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 05:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 05:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 17 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:03 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 128K 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-12a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779888795155
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-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 13:33:17] [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 13:33:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 13:33:17] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2026-05-27 13:33:17] [INFO ] Transformed 147 places.
[2026-05-27 13:33:17] [INFO ] Transformed 448 transitions.
[2026-05-27 13:33:17] [INFO ] Found NUPN structural information;
[2026-05-27 13:33:17] [INFO ] Parsed PT model containing 147 places and 448 transitions and 2045 arcs in 351 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 122 transitions
Reduce redundant transitions removed 122 transitions.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 326/326 transitions.
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 12 place count 147 transition count 314
Applied a total of 12 rules in 53 ms. Remains 147 /147 variables (removed 0) and now considering 314/326 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-870474749329389038.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17624117391037991607.kers'
[2026-05-27 13:33:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-870474749329389038.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17624117391037991607.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:33:18] [INFO ] Computed 14 invariants in 1 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17624117391037991607.kers
Total runtime 4 ms.
[2026-05-27 13:33:18] [INFO ] Implicit Places using invariants in 443 ms returned []
[2026-05-27 13:33:18] [INFO ] Invariant cache hit.
[2026-05-27 13:33:19] [INFO ] State equation strengthened by 193 read => feed constraints.
[2026-05-27 13:33:19] [INFO ] Implicit Places using invariants and state equation in 640 ms returned []
Implicit Place search using SMT with State Equation took 1133 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2026-05-27 13:33:19] [INFO ] Invariant cache hit.
[2026-05-27 13:33:19] [INFO ] State equation strengthened by 193 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30040 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 313/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 461/461 variables, and 814 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30026 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60463ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60500ms
Starting structural reductions in LTL mode, iteration 1 : 147/147 places, 314/326 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61758 ms. Remains : 147/147 places, 314/326 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 12 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:19] [INFO ] Invariant cache hit.
[2026-05-27 13:34:20] [INFO ] Implicit Places using invariants in 197 ms returned []
[2026-05-27 13:34:20] [INFO ] Invariant cache hit.
[2026-05-27 13:34:20] [INFO ] State equation strengthened by 193 read => feed constraints.
[2026-05-27 13:34:20] [INFO ] Implicit Places using invariants and state equation in 485 ms returned []
Implicit Place search using SMT with State Equation took 684 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 699 ms. Remains : 147/147 places, 314/314 transitions.
Support contains 32 out of 147 places after structural reductions.
[2026-05-27 13:34:21] [INFO ] Flatten gal took : 113 ms
[2026-05-27 13:34:21] [INFO ] Flatten gal took : 51 ms
[2026-05-27 13:34:21] [INFO ] Input system was already deterministic with 314 transitions.
Support contains 31 out of 147 places (down from 32) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 1630 ms. (24 steps per ms) remains 1/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
[2026-05-27 13:34:21] [INFO ] Invariant cache hit.
[2026-05-27 13:34:21] [INFO ] State equation strengthened by 193 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp22 is UNSAT
After SMT solving in domain Real declared 27/461 variables, and 9 constraints, problems are : Problem set: 1 solved, 0 unsolved in 44 ms.
Refiners :[Domain max(s): 5/147 constraints, Positive P Invariants (semi-flows): 4/14 constraints, State Equation: 0/147 constraints, ReadFeed: 0/193 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
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' '!(((F(p0) U X(p1))&&F(G(p2))))'
Support contains 6 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 12 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:22] [INFO ] Invariant cache hit.
[2026-05-27 13:34:22] [INFO ] Implicit Places using invariants in 205 ms returned []
[2026-05-27 13:34:22] [INFO ] Invariant cache hit.
[2026-05-27 13:34:22] [INFO ] State equation strengthened by 193 read => feed constraints.
[2026-05-27 13:34:22] [INFO ] Implicit Places using invariants and state equation in 381 ms returned []
Implicit Place search using SMT with State Equation took 589 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 603 ms. Remains : 147/147 places, 314/314 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(p1))&&F(G(p2))))'
Stuttering acceptance computed with spot in 633 ms :[(OR (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-01
Product exploration explored 100000 steps with 4 reset in 752 ms.
Stack based approach found an accepted trace after 43 steps with 1 reset with depth 14 and stack size 14 in 2 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-01 finished in 2131 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(F((G(!p0)||(!p0&&F(!p1)))))||(X((!p2&&X(!p2)))&&F((G(!p0)||(!p0&&F(!p1))))))))'
Support contains 7 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 8 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:24] [INFO ] Invariant cache hit.
[2026-05-27 13:34:24] [INFO ] Implicit Places using invariants in 178 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 181 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 6 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 195 ms. Remains : 146/147 places, 314/314 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(F((G(p0)||(p0&&F(p1)))))||(X((p2&&X(p2)))&&F((G(p0)||(p0&&F(p1))))))))'
Stuttering acceptance computed with spot in 392 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-02
Product exploration explored 100000 steps with 30382 reset in 1064 ms.
Stack based approach found an accepted trace after 24248 steps with 7399 reset with depth 11 and stack size 11 in 197 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-02 finished in 1923 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(!p0)||(!p0&&F(p1)))))'
Support contains 3 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:26] [INFO ] Invariant cache hit.
[2026-05-27 13:34:26] [INFO ] Implicit Places using invariants in 237 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 239 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 246 ms. Remains : 146/147 places, 314/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(!p0)||(!p0&&F(p1)))))'
Stuttering acceptance computed with spot in 147 ms :[(NOT p1), false, false, (AND (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-03
Product exploration explored 100000 steps with 305 reset in 331 ms.
Stack based approach found an accepted trace after 401 steps with 1 reset with depth 256 and stack size 254 in 2 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-03 finished in 762 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&&X(((p1 U p2)||X(G(p2)))))))'
Support contains 6 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:27] [INFO ] Invariant cache hit.
[2026-05-27 13:34:27] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-27 13:34:27] [INFO ] Invariant cache hit.
[2026-05-27 13:34:27] [INFO ] State equation strengthened by 193 read => feed constraints.
[2026-05-27 13:34:27] [INFO ] Implicit Places using invariants and state equation in 484 ms returned []
Implicit Place search using SMT with State Equation took 661 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 664 ms. Remains : 147/147 places, 314/314 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 U p1)||X(G(p1))))&&p2)))'
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-04
Product exploration explored 100000 steps with 3083 reset in 455 ms.
Stack based approach found an accepted trace after 48 steps with 3 reset with depth 13 and stack size 13 in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-04 finished in 1373 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))&&((!p1&&X((!p1 U (!p2||G(!p1))))) U (G((!p1&&X((!p1 U (!p2||G(!p1))))))||(!p1&&X((!p1 U (!p2||G(!p1))))&&G(!p3))))))'
Support contains 6 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:28] [INFO ] Invariant cache hit.
[2026-05-27 13:34:28] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-27 13:34:28] [INFO ] Invariant cache hit.
[2026-05-27 13:34:28] [INFO ] State equation strengthened by 193 read => feed constraints.
[2026-05-27 13:34:29] [INFO ] Implicit Places using invariants and state equation in 431 ms returned []
Implicit Place search using SMT with State Equation took 590 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 592 ms. Remains : 147/147 places, 314/314 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))&&((!p1&&X((!p1 U (!p2||G(!p1))))) U (G((!p1&&X((!p1 U (!p2||G(!p1))))))||(!p1&&X((!p1 U (!p2||G(!p1))))&&G(!p3))))))'
Stuttering acceptance computed with spot in 409 ms :[(OR (NOT p0) p1), true, (NOT p0), (AND p1 p2), p1, (AND p1 p3), (NOT p0), p3]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-06
Entered a terminal (fully accepting) state of product in 251 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-06 finished in 1064 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((G(F(!p0)) U (X(X(p1))||G(!p1))))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:29] [INFO ] Invariant cache hit.
[2026-05-27 13:34:29] [INFO ] Implicit Places using invariants in 238 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 239 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 245 ms. Remains : 146/147 places, 314/314 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(F(!p0)) U (X(X(p1))||G(!p1))))))'
Stuttering acceptance computed with spot in 490 ms :[false, false, false, false, (AND (NOT p1) p0), false, (AND (NOT p1) p0), (AND p1 p0), p0, p0]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-07
Product exploration explored 100000 steps with 830 reset in 583 ms.
Stack based approach found an accepted trace after 7257 steps with 61 reset with depth 599 and stack size 590 in 58 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-07 finished in 1440 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 110 edges and 147 vertex of which 24 / 147 are part of one of the 8 SCC in 4 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 95 transition count 241
Drop transitions (Redundant composition of simpler transitions.) removed 88 transitions
Redundant transition composition rules discarded 88 transitions
Iterating global reduction 0 with 88 rules applied. Total rules applied 161 place count 95 transition count 153
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 163 place count 95 transition count 153
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 165 place count 93 transition count 151
Iterating global reduction 0 with 2 rules applied. Total rules applied 167 place count 93 transition count 151
Applied a total of 167 rules in 106 ms. Remains 93 /147 variables (removed 54) and now considering 151/314 (removed 163) transitions.
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 132 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9783548146137265345.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2753015887006284719.kers'
[2026-05-27 13:34:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9783548146137265345.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2753015887006284719.kers]
Normalized transition count is 131 out of 132 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 131 rows 91 cols 297 entries
Finished phase 1 with 79 SingleSign rule and 0 generalized
[2026-05-27 13:34:31] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2753015887006284719.kers
Total runtime 2 ms.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants in 161 ms returned [92]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 163 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 92/147 places, 151/314 transitions.
Graph (trivial) has 116 edges and 92 vertex of which 24 / 92 are part of one of the 8 SCC in 0 ms
Free SCC test removed 16 places
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 76 transition count 107
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 25 place count 64 transition count 107
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 25 place count 64 transition count 95
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 49 place count 52 transition count 95
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 81 place count 36 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 93 place count 36 transition count 67
Applied a total of 93 rules in 26 ms. Remains 36 /92 variables (removed 56) and now considering 67/151 (removed 84) transitions.
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 52 transitions (discarded 15 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-779478485122504942.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13038155647868732347.kers'
[2026-05-27 13:34:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-779478485122504942.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13038155647868732347.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 35 cols 137 entries
Finished phase 1 with 23 SingleSign rule and 0 generalized
[2026-05-27 13:34:31] [INFO ] Computed 13 invariants in 1 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13038155647868732347.kers
Total runtime 2 ms.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 52 transitions (discarded 15 similar events)
[2026-05-27 13:34:31] [INFO ] Invariant cache hit.
[2026-05-27 13:34:31] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 36/147 places, 67/314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 427 ms. Remains : 36/147 places, 67/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 99 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-08
Stuttering criterion allowed to conclude after 402 steps with 0 reset in 5 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-08 finished in 569 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 115 edges and 147 vertex of which 30 / 147 are part of one of the 10 SCC in 1 ms
Free SCC test removed 20 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 91 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 83 transitions
Redundant transition composition rules discarded 83 transitions
Iterating global reduction 0 with 83 rules applied. Total rules applied 156 place count 91 transition count 139
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 157 place count 91 transition count 139
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 158 place count 90 transition count 138
Iterating global reduction 0 with 1 rules applied. Total rules applied 159 place count 90 transition count 138
Applied a total of 159 rules in 43 ms. Remains 90 /147 variables (removed 57) and now considering 138/314 (removed 176) transitions.
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 117 transitions (discarded 21 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2286748660924672027.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8656048546878568332.kers'
[2026-05-27 13:34:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2286748660924672027.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8656048546878568332.kers]
Normalized transition count is 116 out of 117 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 116 rows 88 cols 247 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-27 13:34:31] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8656048546878568332.kers
Total runtime 1 ms.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants in 181 ms returned [89]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 182 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/147 places, 138/314 transitions.
Graph (trivial) has 118 edges and 89 vertex of which 30 / 89 are part of one of the 10 SCC in 1 ms
Free SCC test removed 20 places
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 69 transition count 86
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 25 place count 57 transition count 86
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 25 place count 57 transition count 74
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 49 place count 45 transition count 74
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 77 place count 31 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 89 place count 31 transition count 48
Applied a total of 89 rules in 14 ms. Remains 31 /89 variables (removed 58) and now considering 48/138 (removed 90) transitions.
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4715847357637119000.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8534565859120277530.kers'
[2026-05-27 13:34:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4715847357637119000.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8534565859120277530.kers]
Normalized transition count is 34 out of 35 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 34 rows 30 cols 83 entries
Finished phase 1 with 18 SingleSign rule and 0 generalized
[2026-05-27 13:34:31] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8534565859120277530.kers
Total runtime 1 ms.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-27 13:34:31] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
[2026-05-27 13:34:31] [INFO ] Invariant cache hit.
[2026-05-27 13:34:31] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-27 13:34:31] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 31/147 places, 48/314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 363 ms. Remains : 31/147 places, 48/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-09 finished in 447 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(G((p0&&X(p0))))))'
Support contains 3 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 5 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (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-11065239412216052637.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11682361046088257648.kers'
[2026-05-27 13:34:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11065239412216052637.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11682361046088257648.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:34:32] [INFO ] Computed 14 invariants in 1 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11682361046088257648.kers
Total runtime 2 ms.
[2026-05-27 13:34:32] [INFO ] Implicit Places using invariants in 214 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 216 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 6 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 227 ms. Remains : 146/147 places, 314/314 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((X(p0)&&p0)))))'
Stuttering acceptance computed with spot in 134 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 127 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-11 finished in 401 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(p1)||F(p2))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:34:32] [INFO ] Invariant cache hit.
[2026-05-27 13:34:32] [INFO ] Implicit Places using invariants in 135 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 140 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 146 ms. Remains : 146/147 places, 314/314 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(p1)||F(p2))))'
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-12
Product exploration explored 100000 steps with 2966 reset in 438 ms.
Stack based approach found an accepted trace after 72 steps with 4 reset with depth 40 and stack size 40 in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-12 finished in 764 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 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 118 edges and 147 vertex of which 36 / 147 are part of one of the 12 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 0 with 68 rules applied. Total rules applied 69 place count 89 transition count 201
Drop transitions (Redundant composition of simpler transitions.) removed 66 transitions
Redundant transition composition rules discarded 66 transitions
Iterating global reduction 0 with 66 rules applied. Total rules applied 135 place count 89 transition count 135
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 137 place count 89 transition count 135
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 138 place count 88 transition count 134
Iterating global reduction 0 with 1 rules applied. Total rules applied 139 place count 88 transition count 134
Applied a total of 139 rules in 23 ms. Remains 88 /147 variables (removed 59) and now considering 134/314 (removed 180) transitions.
[2026-05-27 13:34:33] [INFO ] Flow matrix only has 112 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6472683603188599167.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18355938330866022534.kers'
[2026-05-27 13:34:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6472683603188599167.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18355938330866022534.kers]
Normalized transition count is 111 out of 112 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 111 rows 86 cols 233 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-27 13:34:33] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18355938330866022534.kers
Total runtime 1 ms.
[2026-05-27 13:34:33] [INFO ] Implicit Places using invariants in 87 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 88 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 87/147 places, 134/314 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 87 transition count 122
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 75 transition count 122
Applied a total of 24 rules in 10 ms. Remains 75 /87 variables (removed 12) and now considering 122/134 (removed 12) transitions.
[2026-05-27 13:34:33] [INFO ] Flow matrix only has 100 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12118958718474956595.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8467238718246815132.kers'
[2026-05-27 13:34:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12118958718474956595.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8467238718246815132.kers]
Normalized transition count is 99 out of 100 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 99 rows 74 cols 209 entries
Finished phase 1 with 62 SingleSign rule and 0 generalized
[2026-05-27 13:34:33] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8467238718246815132.kers
Total runtime 1 ms.
[2026-05-27 13:34:33] [INFO ] Implicit Places using invariants in 100 ms returned []
[2026-05-27 13:34:33] [INFO ] Flow matrix only has 100 transitions (discarded 22 similar events)
[2026-05-27 13:34:33] [INFO ] Invariant cache hit.
[2026-05-27 13:34:33] [INFO ] State equation strengthened by 74 read => feed constraints.
[2026-05-27 13:34:33] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 283 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 75/147 places, 122/314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 405 ms. Remains : 75/147 places, 122/314 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 43 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-13 finished in 474 ms.
All properties solved by simple procedures.
Total runtime 76085 ms.
BK_STOP 1779888873740
--------------------
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-12a"
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-12a, 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-177955809100372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12a.tgz
mv FlexibleBarrier-PT-12a 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 '
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 ;