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.r050-smll-177946901000012.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Champagne-PT-H04T1U, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901000012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 7.1K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 77K 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 Champagne-PT-H04T1U-LTLFireability-00
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-01
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-02
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-03
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-04
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-05
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-06
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-07
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-08
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-09
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-10
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-11
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-12
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-13
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-14
FORMULA_NAME Champagne-PT-H04T1U-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779480766127

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H04T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 20:12:48] [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]
[2026-05-22 20:12:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:12:49] [INFO ] Load time of PNML (sax parser for PT used): 173 ms
[2026-05-22 20:12:49] [INFO ] Transformed 285 places.
[2026-05-22 20:12:49] [INFO ] Transformed 351 transitions.
[2026-05-22 20:12:49] [INFO ] Found NUPN structural information;
[2026-05-22 20:12:49] [INFO ] Parsed PT model containing 285 places and 351 transitions and 820 arcs in 397 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Champagne-PT-H04T1U-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H04T1U-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H04T1U-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H04T1U-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 285 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 285/285 places, 351/351 transitions.
Discarding 58 places :
Symmetric choice reduction at 0 with 58 rule applications. Total rules 58 place count 227 transition count 293
Iterating global reduction 0 with 58 rules applied. Total rules applied 116 place count 227 transition count 293
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 151 place count 192 transition count 258
Iterating global reduction 0 with 35 rules applied. Total rules applied 186 place count 192 transition count 258
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 206 place count 172 transition count 238
Iterating global reduction 0 with 20 rules applied. Total rules applied 226 place count 172 transition count 238
Applied a total of 226 rules in 160 ms. Remains 172 /285 variables (removed 113) and now considering 238/351 (removed 113) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16984515286930566509.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17361823599787490972.kers'
[2026-05-22 20:12:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16984515286930566509.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17361823599787490972.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 238 rows 172 cols 594 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-22 20:12:49] [INFO ] Computed 11 invariants in 2 ms
Computed 11 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-17361823599787490972.kers
Total runtime 4 ms.
[2026-05-22 20:12:50] [INFO ] Implicit Places using invariants in 483 ms returned []
[2026-05-22 20:12:50] [INFO ] Invariant cache hit.
[2026-05-22 20:12:50] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 1012 ms to find 0 implicit places.
Running 237 sub problems to find dead transitions.
[2026-05-22 20:12:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (OVERLAPS) 1/172 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/172 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 238/410 variables, 172/184 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/410 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 6 (OVERLAPS) 0/410 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 237 unsolved
No progress, stopping.
After SMT solving in domain Real declared 410/410 variables, and 184 constraints, problems are : Problem set: 0 solved, 237 unsolved in 25310 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 172/172 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 237 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 1 (OVERLAPS) 1/172 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/172 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 4 (OVERLAPS) 238/410 variables, 172/184 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/410 variables, 237/421 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/410 variables, 2/423 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/410 variables, 3/426 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/410 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/410 variables, 1/428 constraints. Problems are: Problem set: 0 solved, 237 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 2/430 constraints. Problems are: Problem set: 0 solved, 237 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/410 variables, and 430 constraints, problems are : Problem set: 0 solved, 237 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 172/172 constraints, PredecessorRefiner: 237/237 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55515ms problems are : Problem set: 0 solved, 237 unsolved
Search for dead transitions found 0 dead transitions in 55551ms
Starting structural reductions in LTL mode, iteration 1 : 172/285 places, 238/351 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 56860 ms. Remains : 172/285 places, 238/351 transitions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Applied a total of 0 rules in 6 ms. Remains 172 /172 variables (removed 0) and now considering 238/238 (removed 0) transitions.
[2026-05-22 20:13:46] [INFO ] Invariant cache hit.
[2026-05-22 20:13:46] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-22 20:13:46] [INFO ] Invariant cache hit.
[2026-05-22 20:13:46] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 447 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 455 ms. Remains : 172/172 places, 238/238 transitions.
Support contains 32 out of 172 places after structural reductions.
[2026-05-22 20:13:47] [INFO ] Flatten gal took : 91 ms
[2026-05-22 20:13:47] [INFO ] Flatten gal took : 38 ms
[2026-05-22 20:13:47] [INFO ] Input system was already deterministic with 238 transitions.
Support contains 31 out of 172 places (down from 32) after GAL structural reductions.
RANDOM walk for 29318 steps (154 resets) in 1072 ms. (27 steps per ms) remains 0/31 properties
Computed a total of 13 stabilizing places and 13 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((F(p0)||(p1&&X(p2)))))'
Support contains 3 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 160 transition count 226
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 160 transition count 226
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 31 place count 153 transition count 219
Iterating global reduction 0 with 7 rules applied. Total rules applied 38 place count 153 transition count 219
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 151 transition count 217
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 151 transition count 217
Applied a total of 42 rules in 25 ms. Remains 151 /172 variables (removed 21) and now considering 217/238 (removed 21) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2999561854070446478.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8345148628546468534.kers'
[2026-05-22 20:13:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2999561854070446478.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8345148628546468534.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 217 rows 151 cols 552 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-22 20:13:48] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8345148628546468534.kers
Total runtime 2 ms.
[2026-05-22 20:13:48] [INFO ] Implicit Places using invariants in 133 ms returned []
[2026-05-22 20:13:48] [INFO ] Invariant cache hit.
[2026-05-22 20:13:48] [INFO ] Implicit Places using invariants and state equation in 287 ms returned []
Implicit Place search using SMT with State Equation took 431 ms to find 0 implicit places.
Running 216 sub problems to find dead transitions.
[2026-05-22 20:13:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 1/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (OVERLAPS) 217/368 variables, 151/162 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (OVERLAPS) 0/368 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 216 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 162 constraints, problems are : Problem set: 0 solved, 216 unsolved in 17441 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 1 (OVERLAPS) 1/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 3 (OVERLAPS) 217/368 variables, 151/162 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 216/378 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/368 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/368 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 216 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/368 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 381 constraints, problems are : Problem set: 0 solved, 216 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, PredecessorRefiner: 216/216 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 47521ms problems are : Problem set: 0 solved, 216 unsolved
Search for dead transitions found 0 dead transitions in 47525ms
Starting structural reductions in LTL mode, iteration 1 : 151/172 places, 217/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47985 ms. Remains : 151/172 places, 217/238 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((F(p0)||(p1&&X(p2)))))'
Stuttering acceptance computed with spot in 488 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-00
Product exploration explored 100000 steps with 33333 reset in 512 ms.
Product exploration explored 100000 steps with 33333 reset in 325 ms.
Computed a total of 10 stabilizing places and 10 stable transitions
Computed a total of 10 stabilizing places and 10 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 31 ms. Proved property starting from automaton with 4 states, 5 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 47 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Champagne-PT-H04T1U-LTLFireability-00 finished in 49524 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 (F(p1)||X(X(p2)))) U X(!p3))))'
Support contains 6 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 160 transition count 226
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 160 transition count 226
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 31 place count 153 transition count 219
Iterating global reduction 0 with 7 rules applied. Total rules applied 38 place count 153 transition count 219
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 151 transition count 217
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 151 transition count 217
Applied a total of 42 rules in 23 ms. Remains 151 /172 variables (removed 21) and now considering 217/238 (removed 21) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15724525266001139659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15344878686441764785.kers'
[2026-05-22 20:14:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15724525266001139659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15344878686441764785.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 217 rows 151 cols 552 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-22 20:14:37] [INFO ] Computed 11 invariants in 2 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15344878686441764785.kers
Total runtime 3 ms.
[2026-05-22 20:14:38] [INFO ] Implicit Places using invariants in 129 ms returned []
[2026-05-22 20:14:38] [INFO ] Invariant cache hit.
[2026-05-22 20:14:38] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 151/172 places, 217/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 381 ms. Remains : 151/172 places, 217/238 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 (F(p1)||X(X(p2)))) U X(!p3))))'
Stuttering acceptance computed with spot in 393 ms :[p3, p3, p3, (AND (NOT p1) p3 (NOT p2)), (AND (NOT p1) (NOT p2) p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 155 ms.
Product exploration explored 100000 steps with 33333 reset in 168 ms.
Computed a total of 10 stabilizing places and 10 stable transitions
Computed a total of 10 stabilizing places and 10 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 11 factoid took 19 ms. Proved property starting from automaton with 9 states, 15 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 26 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Champagne-PT-H04T1U-LTLFireability-01 finished in 1199 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X((X(p1)&&(p0 U (p2||G(p3)||G(p0)))))))))'
Support contains 4 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 160 transition count 226
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 160 transition count 226
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 31 place count 153 transition count 219
Iterating global reduction 0 with 7 rules applied. Total rules applied 38 place count 153 transition count 219
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 152 transition count 218
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 152 transition count 218
Applied a total of 40 rules in 18 ms. Remains 152 /172 variables (removed 20) and now considering 218/238 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16799016309495128340.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-258296433269041527.kers'
[2026-05-22 20:14:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16799016309495128340.kers, --Pflows, --basisKERS=/tmp/petrispot-output-258296433269041527.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 218 rows 152 cols 554 entries
Finished phase 1 with 141 SingleSign rule and 0 generalized
[2026-05-22 20:14:39] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-258296433269041527.kers
Total runtime 2 ms.
[2026-05-22 20:14:39] [INFO ] Implicit Places using invariants in 110 ms returned []
[2026-05-22 20:14:39] [INFO ] Invariant cache hit.
[2026-05-22 20:14:39] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 360 ms to find 0 implicit places.
Running 217 sub problems to find dead transitions.
[2026-05-22 20:14:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 1/152 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (OVERLAPS) 218/370 variables, 152/163 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (OVERLAPS) 0/370 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 163 constraints, problems are : Problem set: 0 solved, 217 unsolved in 17698 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 217 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 1 (OVERLAPS) 1/152 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 3 (OVERLAPS) 218/370 variables, 152/163 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 217/380 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1/382 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/370 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 217 unsolved
At refinement iteration 8 (OVERLAPS) 0/370 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 217 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 382 constraints, problems are : Problem set: 0 solved, 217 unsolved in 29495 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, PredecessorRefiner: 217/217 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 47238ms problems are : Problem set: 0 solved, 217 unsolved
Search for dead transitions found 0 dead transitions in 47240ms
Starting structural reductions in LTL mode, iteration 1 : 152/172 places, 218/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47621 ms. Remains : 152/172 places, 218/238 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0&&X((X(p1)&&(p0 U (p2||G(p3)||G(p0)))))))))'
Stuttering acceptance computed with spot in 475 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (AND (NOT p0) (NOT p2) (NOT p3))), (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-03
Product exploration explored 100000 steps with 1518 reset in 417 ms.
Stack based approach found an accepted trace after 3524 steps with 61 reset with depth 109 and stack size 109 in 19 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-03 finished in 48615 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 172 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Graph (trivial) has 178 edges and 172 vertex of which 85 / 172 are part of one of the 10 SCC in 7 ms
Free SCC test removed 75 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 96 transition count 130
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 37 rules applied. Total rules applied 58 place count 76 transition count 113
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 66 place count 68 transition count 113
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 66 place count 68 transition count 112
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 68 place count 67 transition count 112
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 76 place count 59 transition count 102
Iterating global reduction 3 with 8 rules applied. Total rules applied 84 place count 59 transition count 102
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 86 place count 59 transition count 100
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 87 place count 58 transition count 97
Iterating global reduction 4 with 1 rules applied. Total rules applied 88 place count 58 transition count 97
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 89 place count 58 transition count 96
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 5 with 42 rules applied. Total rules applied 131 place count 37 transition count 75
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 133 place count 35 transition count 67
Iterating global reduction 5 with 2 rules applied. Total rules applied 135 place count 35 transition count 67
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 137 place count 35 transition count 65
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 139 place count 34 transition count 68
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 143 place count 34 transition count 64
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 144 place count 33 transition count 60
Iterating global reduction 6 with 1 rules applied. Total rules applied 145 place count 33 transition count 60
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 146 place count 33 transition count 59
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 148 place count 31 transition count 57
Applied a total of 148 rules in 95 ms. Remains 31 /172 variables (removed 141) and now considering 57/238 (removed 181) transitions.
[2026-05-22 20:15:27] [INFO ] Flow matrix only has 34 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15954603423936989665.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15760540865641680548.kers'
[2026-05-22 20:15:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15954603423936989665.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15760540865641680548.kers]
Normalized transition count is 33 out of 34 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 33 rows 27 cols 84 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 20:15:27] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15760540865641680548.kers
Total runtime 1 ms.
[2026-05-22 20:15:27] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-22 20:15:27] [INFO ] Flow matrix only has 34 transitions (discarded 23 similar events)
[2026-05-22 20:15:27] [INFO ] Invariant cache hit.
[2026-05-22 20:15:27] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2026-05-22 20:15:27] [INFO ] Redundant transitions in 2 ms returned []
Running 29 sub problems to find dead transitions.
[2026-05-22 20:15:27] [INFO ] Flow matrix only has 34 transitions (discarded 23 similar events)
[2026-05-22 20:15:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 3/31 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 33/64 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/65 variables, and 42 constraints, problems are : Problem set: 0 solved, 29 unsolved in 854 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 3/31 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 33/64 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 29/71 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (OVERLAPS) 0/64 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/65 variables, and 71 constraints, problems are : Problem set: 0 solved, 29 unsolved in 934 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1799ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 1800ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/172 places, 57/238 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2062 ms. Remains : 31/172 places, 57/238 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 51 ms :[(NOT p0)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-04
Stuttering criterion allowed to conclude after 71 steps with 3 reset in 1 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-04 finished in 2167 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' '!((((p1 U X(p2))&&p0) U X((G(!p1) U p3))))'
Support contains 7 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 160 transition count 226
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 160 transition count 226
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 32 place count 152 transition count 218
Iterating global reduction 0 with 8 rules applied. Total rules applied 40 place count 152 transition count 218
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 150 transition count 216
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 150 transition count 216
Applied a total of 44 rules in 19 ms. Remains 150 /172 variables (removed 22) and now considering 216/238 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18130432908047266689.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1285212269144138615.kers'
[2026-05-22 20:15:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18130432908047266689.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1285212269144138615.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 216 rows 150 cols 550 entries
Finished phase 1 with 139 SingleSign rule and 0 generalized
[2026-05-22 20:15:29] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1285212269144138615.kers
Total runtime 3 ms.
[2026-05-22 20:15:29] [INFO ] Implicit Places using invariants in 118 ms returned []
[2026-05-22 20:15:29] [INFO ] Invariant cache hit.
[2026-05-22 20:15:30] [INFO ] Implicit Places using invariants and state equation in 232 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
Running 215 sub problems to find dead transitions.
[2026-05-22 20:15:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 216/366 variables, 150/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/366 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (OVERLAPS) 0/366 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 161 constraints, problems are : Problem set: 0 solved, 215 unsolved in 17486 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/150 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 216/366 variables, 150/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/366 variables, 215/376 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/366 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/366 variables, 3/380 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/366 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 381 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/150 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 47550ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 47553ms
Starting structural reductions in LTL mode, iteration 1 : 150/172 places, 216/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47928 ms. Remains : 150/172 places, 216/238 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' '!((((p1 U X(p2))&&p0) U X((G(!p1) U p3))))'
Stuttering acceptance computed with spot in 542 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), true, p1, (AND p1 p3 (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1043 steps with 6 reset in 10 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-06 finished in 48550 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0)||F(p1)) U (G((X(p0)||F(p1)))||(p0&&(X(p0)||F(p1)))))&&X(F((p2&&F(!p2))))))'
Support contains 3 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 161 transition count 227
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 161 transition count 227
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 29 place count 154 transition count 220
Iterating global reduction 0 with 7 rules applied. Total rules applied 36 place count 154 transition count 220
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 37 place count 153 transition count 219
Iterating global reduction 0 with 1 rules applied. Total rules applied 38 place count 153 transition count 219
Applied a total of 38 rules in 18 ms. Remains 153 /172 variables (removed 19) and now considering 219/238 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16494555032951507124.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-199652630154663999.kers'
[2026-05-22 20:16:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16494555032951507124.kers, --Pflows, --basisKERS=/tmp/petrispot-output-199652630154663999.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 219 rows 153 cols 556 entries
Finished phase 1 with 142 SingleSign rule and 0 generalized
[2026-05-22 20:16:18] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-199652630154663999.kers
Total runtime 2 ms.
[2026-05-22 20:16:18] [INFO ] Implicit Places using invariants in 105 ms returned []
[2026-05-22 20:16:18] [INFO ] Invariant cache hit.
[2026-05-22 20:16:18] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 348 ms to find 0 implicit places.
Running 218 sub problems to find dead transitions.
[2026-05-22 20:16:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 1 (OVERLAPS) 1/153 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 3 (OVERLAPS) 219/372 variables, 153/164 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/372 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 5 (OVERLAPS) 0/372 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 218 unsolved
No progress, stopping.
After SMT solving in domain Real declared 372/372 variables, and 164 constraints, problems are : Problem set: 0 solved, 218 unsolved in 18107 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 218/218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 1 (OVERLAPS) 1/153 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 3 (OVERLAPS) 219/372 variables, 153/164 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/372 variables, 218/382 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 1/383 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 1/384 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 218 unsolved
At refinement iteration 8 (OVERLAPS) 0/372 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 218 unsolved
No progress, stopping.
After SMT solving in domain Int declared 372/372 variables, and 384 constraints, problems are : Problem set: 0 solved, 218 unsolved in 27981 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 218/218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 46126ms problems are : Problem set: 0 solved, 218 unsolved
Search for dead transitions found 0 dead transitions in 46128ms
Starting structural reductions in LTL mode, iteration 1 : 153/172 places, 219/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46496 ms. Remains : 153/172 places, 219/238 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0)||F(p1)) U (G((X(p0)||F(p1)))||(p0&&(X(p0)||F(p1)))))&&X(F((p2&&F(!p2))))))'
Stuttering acceptance computed with spot in 275 ms :[true, true, (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), p2, (NOT p1)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-07
Stuttering criterion allowed to conclude after 233 steps with 0 reset in 1 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-07 finished in 46839 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))))&&(p2 U (p3||G(p2)))))'
Support contains 4 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 162 transition count 228
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 162 transition count 228
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 26 place count 156 transition count 222
Iterating global reduction 0 with 6 rules applied. Total rules applied 32 place count 156 transition count 222
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 34 place count 154 transition count 220
Iterating global reduction 0 with 2 rules applied. Total rules applied 36 place count 154 transition count 220
Applied a total of 36 rules in 23 ms. Remains 154 /172 variables (removed 18) and now considering 220/238 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6055926292288181319.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17774204576904028512.kers'
[2026-05-22 20:17:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6055926292288181319.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17774204576904028512.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 220 rows 154 cols 558 entries
Finished phase 1 with 143 SingleSign rule and 0 generalized
[2026-05-22 20:17:05] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17774204576904028512.kers
Total runtime 2 ms.
[2026-05-22 20:17:05] [INFO ] Implicit Places using invariants in 121 ms returned []
[2026-05-22 20:17:05] [INFO ] Invariant cache hit.
[2026-05-22 20:17:05] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
Running 219 sub problems to find dead transitions.
[2026-05-22 20:17:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 1 (OVERLAPS) 1/154 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 4 (OVERLAPS) 220/374 variables, 154/168 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 6 (OVERLAPS) 0/374 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 219 unsolved
No progress, stopping.
After SMT solving in domain Real declared 374/374 variables, and 168 constraints, problems are : Problem set: 0 solved, 219 unsolved in 21361 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 219/219 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 219 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 1 (OVERLAPS) 1/154 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 4 (OVERLAPS) 220/374 variables, 154/168 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/374 variables, 219/387 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/374 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 7 (OVERLAPS) 0/374 variables, 1/388 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/374 variables, 0/388 constraints. Problems are: Problem set: 0 solved, 219 unsolved
At refinement iteration 9 (OVERLAPS) 0/374 variables, 0/388 constraints. Problems are: Problem set: 0 solved, 219 unsolved
No progress, stopping.
After SMT solving in domain Int declared 374/374 variables, and 388 constraints, problems are : Problem set: 0 solved, 219 unsolved in 27814 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 219/219 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49202ms problems are : Problem set: 0 solved, 219 unsolved
Search for dead transitions found 0 dead transitions in 49205ms
Starting structural reductions in LTL mode, iteration 1 : 154/172 places, 220/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 49604 ms. Remains : 154/172 places, 220/238 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))))&&(p2 U (p3||G(p2)))))'
Stuttering acceptance computed with spot in 290 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), true, (AND (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-10
Product exploration explored 100000 steps with 33333 reset in 139 ms.
Product exploration explored 100000 steps with 33333 reset in 162 ms.
Computed a total of 10 stabilizing places and 10 stable transitions
Computed a total of 10 stabilizing places and 10 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 13 factoid took 19 ms. Proved property starting from automaton with 6 states, 10 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 26 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Champagne-PT-H04T1U-LTLFireability-10 finished in 50273 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 172 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Graph (trivial) has 178 edges and 172 vertex of which 82 / 172 are part of one of the 10 SCC in 1 ms
Free SCC test removed 72 places
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 83 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 99 transition count 135
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 36 rules applied. Total rules applied 56 place count 80 transition count 118
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 64 place count 72 transition count 118
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 64 place count 72 transition count 115
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 70 place count 69 transition count 115
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 77 place count 62 transition count 107
Iterating global reduction 3 with 7 rules applied. Total rules applied 84 place count 62 transition count 107
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 85 place count 62 transition count 106
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 86 place count 61 transition count 103
Iterating global reduction 4 with 1 rules applied. Total rules applied 87 place count 61 transition count 103
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 88 place count 61 transition count 102
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 5 with 42 rules applied. Total rules applied 130 place count 40 transition count 81
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 133 place count 37 transition count 70
Iterating global reduction 5 with 3 rules applied. Total rules applied 136 place count 37 transition count 70
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 139 place count 37 transition count 67
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 141 place count 35 transition count 65
Applied a total of 141 rules in 37 ms. Remains 35 /172 variables (removed 137) and now considering 65/238 (removed 173) transitions.
[2026-05-22 20:17:55] [INFO ] Flow matrix only has 37 transitions (discarded 28 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5431408929514806925.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5250733961143732905.kers'
[2026-05-22 20:17:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5431408929514806925.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5250733961143732905.kers]
Normalized transition count is 36 out of 37 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 36 rows 31 cols 84 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-22 20:17:55] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5250733961143732905.kers
Total runtime 1 ms.
[2026-05-22 20:17:55] [INFO ] Implicit Places using invariants in 70 ms returned []
[2026-05-22 20:17:55] [INFO ] Flow matrix only has 37 transitions (discarded 28 similar events)
[2026-05-22 20:17:55] [INFO ] Invariant cache hit.
[2026-05-22 20:17:55] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2026-05-22 20:17:55] [INFO ] Redundant transitions in 0 ms returned []
Running 35 sub problems to find dead transitions.
[2026-05-22 20:17:55] [INFO ] Flow matrix only has 37 transitions (discarded 28 similar events)
[2026-05-22 20:17:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (OVERLAPS) 36/71 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 35 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/72 variables, and 46 constraints, problems are : Problem set: 0 solved, 35 unsolved in 1137 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 35 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (OVERLAPS) 36/71 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 35/81 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 35 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/72 variables, and 81 constraints, problems are : Problem set: 0 solved, 35 unsolved in 1152 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2294ms problems are : Problem set: 0 solved, 35 unsolved
Search for dead transitions found 0 dead transitions in 2294ms
Starting structural reductions in SI_LTL mode, iteration 1 : 35/172 places, 65/238 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2496 ms. Remains : 35/172 places, 65/238 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 59 ms :[(NOT p0)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-11 finished in 2593 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1||G(p0)))||(G(p2)&&X(G(p0)))))'
Support contains 2 out of 172 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 160 transition count 226
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 160 transition count 226
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 32 place count 152 transition count 218
Iterating global reduction 0 with 8 rules applied. Total rules applied 40 place count 152 transition count 218
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 150 transition count 216
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 150 transition count 216
Applied a total of 44 rules in 11 ms. Remains 150 /172 variables (removed 22) and now considering 216/238 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-181316681594529029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8639575353478959974.kers'
[2026-05-22 20:17:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-181316681594529029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8639575353478959974.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 216 rows 150 cols 550 entries
Finished phase 1 with 139 SingleSign rule and 0 generalized
[2026-05-22 20:17:58] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8639575353478959974.kers
Total runtime 2 ms.
[2026-05-22 20:17:58] [INFO ] Implicit Places using invariants in 112 ms returned []
[2026-05-22 20:17:58] [INFO ] Invariant cache hit.
[2026-05-22 20:17:58] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
Running 215 sub problems to find dead transitions.
[2026-05-22 20:17:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 216/366 variables, 150/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/366 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (OVERLAPS) 0/366 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 161 constraints, problems are : Problem set: 0 solved, 215 unsolved in 17472 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/150 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 216/366 variables, 150/161 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/366 variables, 215/376 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/366 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/366 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/366 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 9 (OVERLAPS) 0/366 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 215 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 380 constraints, problems are : Problem set: 0 solved, 215 unsolved in 29891 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/150 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 47385ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 47386ms
Starting structural reductions in LTL mode, iteration 1 : 150/172 places, 216/238 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47750 ms. Remains : 150/172 places, 216/238 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U (p1||G(p0)))||(G(p2)&&X(G(p0)))))'
Stuttering acceptance computed with spot in 127 ms :[true, (AND (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-12
Entered a terminal (fully accepting) state of product in 13870 steps with 371 reset in 21 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-12 finished in 47943 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 172 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Graph (trivial) has 176 edges and 172 vertex of which 85 / 172 are part of one of the 10 SCC in 1 ms
Free SCC test removed 75 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 96 transition count 131
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 36 rules applied. Total rules applied 56 place count 77 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 64 place count 69 transition count 114
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 64 place count 69 transition count 113
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 66 place count 68 transition count 113
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 74 place count 60 transition count 103
Iterating global reduction 3 with 8 rules applied. Total rules applied 82 place count 60 transition count 103
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 84 place count 60 transition count 101
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 85 place count 59 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 86 place count 59 transition count 98
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 87 place count 59 transition count 97
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 5 with 42 rules applied. Total rules applied 129 place count 38 transition count 76
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 131 place count 36 transition count 68
Iterating global reduction 5 with 2 rules applied. Total rules applied 133 place count 36 transition count 68
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 135 place count 36 transition count 66
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 137 place count 34 transition count 64
Applied a total of 137 rules in 24 ms. Remains 34 /172 variables (removed 138) and now considering 64/238 (removed 174) transitions.
[2026-05-22 20:18:46] [INFO ] Flow matrix only has 38 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13714414880850289393.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17416517862065790854.kers'
[2026-05-22 20:18:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13714414880850289393.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17416517862065790854.kers]
Normalized transition count is 37 out of 38 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 37 rows 30 cols 92 entries
Finished phase 1 with 23 SingleSign rule and 0 generalized
[2026-05-22 20:18:46] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17416517862065790854.kers
Total runtime 1 ms.
[2026-05-22 20:18:46] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-22 20:18:46] [INFO ] Flow matrix only has 38 transitions (discarded 26 similar events)
[2026-05-22 20:18:46] [INFO ] Invariant cache hit.
[2026-05-22 20:18:46] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
[2026-05-22 20:18:46] [INFO ] Redundant transitions in 1 ms returned []
Running 36 sub problems to find dead transitions.
[2026-05-22 20:18:46] [INFO ] Flow matrix only has 38 transitions (discarded 26 similar events)
[2026-05-22 20:18:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (OVERLAPS) 3/34 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 37/71 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 0/71 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 71/72 variables, and 45 constraints, problems are : Problem set: 0 solved, 36 unsolved in 923 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (OVERLAPS) 3/34 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 37/71 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 36/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 0/71 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 71/72 variables, and 81 constraints, problems are : Problem set: 0 solved, 36 unsolved in 962 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1887ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 1888ms
Starting structural reductions in SI_LTL mode, iteration 1 : 34/172 places, 64/238 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2036 ms. Remains : 34/172 places, 64/238 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 151 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-13
Stuttering criterion allowed to conclude after 153 steps with 6 reset in 2 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-13 finished in 2218 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 1 out of 172 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Graph (trivial) has 179 edges and 172 vertex of which 88 / 172 are part of one of the 11 SCC in 1 ms
Free SCC test removed 77 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 94 transition count 131
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 36 rules applied. Total rules applied 56 place count 75 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 64 place count 67 transition count 114
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 73 place count 58 transition count 100
Iterating global reduction 3 with 9 rules applied. Total rules applied 82 place count 58 transition count 100
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 58 transition count 97
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 86 place count 57 transition count 94
Iterating global reduction 4 with 1 rules applied. Total rules applied 87 place count 57 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 88 place count 57 transition count 93
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 5 with 42 rules applied. Total rules applied 130 place count 36 transition count 72
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 133 place count 33 transition count 61
Iterating global reduction 5 with 3 rules applied. Total rules applied 136 place count 33 transition count 61
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 139 place count 33 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 140 place count 33 transition count 57
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 142 place count 31 transition count 55
Applied a total of 142 rules in 36 ms. Remains 31 /172 variables (removed 141) and now considering 55/238 (removed 183) transitions.
[2026-05-22 20:18:48] [INFO ] Flow matrix only has 33 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-3890457702839728161.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11287154042320300918.kers'
[2026-05-22 20:18:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3890457702839728161.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11287154042320300918.kers]
Normalized transition count is 32 out of 33 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 32 rows 28 cols 84 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 20:18:48] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11287154042320300918.kers
Total runtime 1 ms.
[2026-05-22 20:18:48] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-22 20:18:48] [INFO ] Flow matrix only has 33 transitions (discarded 22 similar events)
[2026-05-22 20:18:48] [INFO ] Invariant cache hit.
[2026-05-22 20:18:48] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2026-05-22 20:18:48] [INFO ] Redundant transitions in 1 ms returned []
Running 27 sub problems to find dead transitions.
[2026-05-22 20:18:48] [INFO ] Flow matrix only has 33 transitions (discarded 22 similar events)
[2026-05-22 20:18:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 3/31 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (OVERLAPS) 32/63 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (OVERLAPS) 0/63 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 63/64 variables, and 42 constraints, problems are : Problem set: 0 solved, 27 unsolved in 814 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 3/31 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (OVERLAPS) 32/63 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 27/69 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (OVERLAPS) 0/63 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Int declared 63/64 variables, and 69 constraints, problems are : Problem set: 0 solved, 27 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1376ms problems are : Problem set: 0 solved, 27 unsolved
Search for dead transitions found 0 dead transitions in 1377ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/172 places, 55/238 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1567 ms. Remains : 31/172 places, 55/238 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 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-14
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-14 finished in 1663 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G((p1&&X(G(p0))))))'
Support contains 2 out of 172 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 172/172 places, 238/238 transitions.
Graph (trivial) has 179 edges and 172 vertex of which 89 / 172 are part of one of the 12 SCC in 0 ms
Free SCC test removed 77 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 94 transition count 132
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 35 rules applied. Total rules applied 54 place count 76 transition count 115
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 62 place count 68 transition count 115
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 70 place count 60 transition count 102
Iterating global reduction 3 with 8 rules applied. Total rules applied 78 place count 60 transition count 102
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 81 place count 60 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 82 place count 59 transition count 96
Iterating global reduction 4 with 1 rules applied. Total rules applied 83 place count 59 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 84 place count 59 transition count 95
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 5 with 40 rules applied. Total rules applied 124 place count 39 transition count 75
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 126 place count 37 transition count 68
Iterating global reduction 5 with 2 rules applied. Total rules applied 128 place count 37 transition count 68
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 130 place count 37 transition count 66
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 132 place count 35 transition count 64
Applied a total of 132 rules in 13 ms. Remains 35 /172 variables (removed 137) and now considering 64/238 (removed 174) transitions.
[2026-05-22 20:18:49] [INFO ] Flow matrix only has 35 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6266094027172872002.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7119970863718261036.kers'
[2026-05-22 20:18:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6266094027172872002.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7119970863718261036.kers]
Normalized transition count is 34 out of 35 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 34 rows 32 cols 82 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-22 20:18:49] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7119970863718261036.kers
Total runtime 1 ms.
[2026-05-22 20:18:49] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-22 20:18:49] [INFO ] Flow matrix only has 35 transitions (discarded 29 similar events)
[2026-05-22 20:18:49] [INFO ] Invariant cache hit.
[2026-05-22 20:18:49] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
[2026-05-22 20:18:50] [INFO ] Redundant transitions in 1 ms returned []
Running 33 sub problems to find dead transitions.
[2026-05-22 20:18:50] [INFO ] Flow matrix only has 35 transitions (discarded 29 similar events)
[2026-05-22 20:18:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 34/69 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (OVERLAPS) 0/69 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/70 variables, and 46 constraints, problems are : Problem set: 0 solved, 33 unsolved in 711 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 33 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (OVERLAPS) 2/35 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 34/69 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 33/79 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 0/69 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/70 variables, and 79 constraints, problems are : Problem set: 0 solved, 33 unsolved in 712 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 35/35 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1427ms problems are : Problem set: 0 solved, 33 unsolved
Search for dead transitions found 0 dead transitions in 1427ms
Starting structural reductions in SI_LTL mode, iteration 1 : 35/172 places, 64/238 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1551 ms. Remains : 35/172 places, 64/238 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U G((p1&&X(G(p0))))))'
Stuttering acceptance computed with spot in 79 ms :[(OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Champagne-PT-H04T1U-LTLFireability-15
Entered a terminal (fully accepting) state of product in 18 steps with 0 reset in 0 ms.
FORMULA Champagne-PT-H04T1U-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Champagne-PT-H04T1U-LTLFireability-15 finished in 1658 ms.
All properties solved by simple procedures.
Total runtime 362871 ms.

BK_STOP 1779481131566

--------------------
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="Champagne-PT-H04T1U"
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 Champagne-PT-H04T1U, 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 r050-smll-177946901000012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H04T1U.tgz
mv Champagne-PT-H04T1U 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 ;