About the Execution of ITS-Tools for FireWire-PT-01
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 559.031 | 622399.00 | 708436.00 | 4395.80 | FTFFFFFFFFFFTFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r130-smll-177955808900148.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 FireWire-PT-01, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955808900148
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.2K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 84K 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 FireWire-PT-01-LTLFireability-00
FORMULA_NAME FireWire-PT-01-LTLFireability-01
FORMULA_NAME FireWire-PT-01-LTLFireability-02
FORMULA_NAME FireWire-PT-01-LTLFireability-03
FORMULA_NAME FireWire-PT-01-LTLFireability-04
FORMULA_NAME FireWire-PT-01-LTLFireability-05
FORMULA_NAME FireWire-PT-01-LTLFireability-06
FORMULA_NAME FireWire-PT-01-LTLFireability-07
FORMULA_NAME FireWire-PT-01-LTLFireability-08
FORMULA_NAME FireWire-PT-01-LTLFireability-09
FORMULA_NAME FireWire-PT-01-LTLFireability-10
FORMULA_NAME FireWire-PT-01-LTLFireability-11
FORMULA_NAME FireWire-PT-01-LTLFireability-12
FORMULA_NAME FireWire-PT-01-LTLFireability-13
FORMULA_NAME FireWire-PT-01-LTLFireability-14
FORMULA_NAME FireWire-PT-01-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779792014241
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-26 10:40:16] [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]
[2026-05-26 10:40:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 10:40:16] [INFO ] Load time of PNML (sax parser for PT used): 173 ms
[2026-05-26 10:40:16] [INFO ] Transformed 107 places.
[2026-05-26 10:40:16] [INFO ] Transformed 346 transitions.
[2026-05-26 10:40:16] [INFO ] Found NUPN structural information;
[2026-05-26 10:40:16] [INFO ] Parsed PT model containing 107 places and 346 transitions and 1271 arcs in 374 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 53 transitions
Reduce redundant transitions removed 53 transitions.
FORMULA FireWire-PT-01-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 293/293 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 105 transition count 288
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 105 transition count 288
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 104 transition count 286
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 104 transition count 286
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 104 transition count 280
Applied a total of 12 rules in 78 ms. Remains 104 /107 variables (removed 3) and now considering 280/293 (removed 13) transitions.
[2026-05-26 10:40:17] [INFO ] Flow matrix only has 254 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-13049607868028097594.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8808556337808693903.kers'
[2026-05-26 10:40:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13049607868028097594.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8808556337808693903.kers]
Normalized transition count is 253 out of 254 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 253 rows 104 cols 837 entries
Finished phase 1 with 96 SingleSign rule and 0 generalized
[2026-05-26 10:40:17] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-8808556337808693903.kers
Total runtime 4 ms.
[2026-05-26 10:40:17] [INFO ] Implicit Places using invariants in 498 ms returned []
[2026-05-26 10:40:17] [INFO ] Flow matrix only has 254 transitions (discarded 26 similar events)
[2026-05-26 10:40:17] [INFO ] Invariant cache hit.
[2026-05-26 10:40:18] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 10:40:18] [INFO ] Implicit Places using invariants and state equation in 468 ms returned [102]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1045 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 103/107 places, 280/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 103 /103 variables (removed 0) and now considering 280/280 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1163 ms. Remains : 103/107 places, 280/293 transitions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Applied a total of 0 rules in 4 ms. Remains 103 /103 variables (removed 0) and now considering 280/280 (removed 0) transitions.
[2026-05-26 10:40:18] [INFO ] Flow matrix only has 254 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-3573581213551672522.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12427443206208832484.kers'
[2026-05-26 10:40:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3573581213551672522.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12427443206208832484.kers]
Normalized transition count is 253 out of 254 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 253 rows 103 cols 832 entries
Finished phase 1 with 96 SingleSign rule and 0 generalized
[2026-05-26 10:40:18] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12427443206208832484.kers
Total runtime 2 ms.
[2026-05-26 10:40:18] [INFO ] Implicit Places using invariants in 111 ms returned []
[2026-05-26 10:40:18] [INFO ] Flow matrix only has 254 transitions (discarded 26 similar events)
[2026-05-26 10:40:18] [INFO ] Invariant cache hit.
[2026-05-26 10:40:18] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 10:40:18] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 560 ms to find 0 implicit places.
Running 279 sub problems to find dead transitions.
[2026-05-26 10:40:19] [INFO ] Flow matrix only has 254 transitions (discarded 26 similar events)
[2026-05-26 10:40:19] [INFO ] Invariant cache hit.
[2026-05-26 10:40:19] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 1/103 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (OVERLAPS) 253/356 variables, 103/117 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/356 variables, 38/155 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/356 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 7 (OVERLAPS) 1/357 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/357 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 357/357 variables, and 156 constraints, problems are : Problem set: 0 solved, 279 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 279 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 1 (OVERLAPS) 1/103 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 4 (OVERLAPS) 253/356 variables, 103/117 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/356 variables, 38/155 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/356 variables, 279/434 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 279 unsolved
At refinement iteration 8 (OVERLAPS) 1/357 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 279 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 357/357 variables, and 435 constraints, problems are : Problem set: 0 solved, 279 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 279/279 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60519ms problems are : Problem set: 0 solved, 279 unsolved
Search for dead transitions found 0 dead transitions in 60552ms
Finished structural reductions in LTL mode , in 1 iterations and 61779 ms. Remains : 103/103 places, 280/280 transitions.
Support contains 39 out of 103 places after structural reductions.
[2026-05-26 10:41:20] [INFO ] Flatten gal took : 80 ms
[2026-05-26 10:41:20] [INFO ] Flatten gal took : 38 ms
[2026-05-26 10:41:20] [INFO ] Input system was already deterministic with 280 transitions.
RANDOM walk for 40000 steps (2197 resets) in 3310 ms. (12 steps per ms) remains 12/36 properties
BEST_FIRST walk for 40003 steps (622 resets) in 333 ms. (119 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (584 resets) in 233 ms. (170 steps per ms) remains 10/12 properties
BEST_FIRST walk for 40004 steps (612 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (602 resets) in 132 ms. (300 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (550 resets) in 153 ms. (259 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (546 resets) in 100 ms. (396 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (559 resets) in 85 ms. (465 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40004 steps (510 resets) in 101 ms. (392 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (622 resets) in 85 ms. (465 steps per ms) remains 9/9 properties
[2026-05-26 10:41:22] [INFO ] Flow matrix only has 254 transitions (discarded 26 similar events)
[2026-05-26 10:41:22] [INFO ] Invariant cache hit.
[2026-05-26 10:41:22] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 82/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 6/99 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 250/349 variables, 99/109 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/349 variables, 37/146 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/349 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 4/353 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/353 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/353 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 3/356 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/356 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 1/357 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/357 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 0/357 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 357/357 variables, and 152 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2331 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 82/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 6/99 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 250/349 variables, 99/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/349 variables, 37/147 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/349 variables, 9/156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/349 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 4/353 variables, 2/158 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/353 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/353 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 3/356 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/356 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 1/357 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/357 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/357 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 357/357 variables, and 162 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2346 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 103/103 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4703ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 8 different solutions.
Parikh walk visited 3 properties in 2720 ms.
Support contains 8 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 280/280 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 103 transition count 276
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5 place count 102 transition count 276
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 5 place count 102 transition count 275
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 101 transition count 275
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 8 place count 100 transition count 272
Iterating global reduction 2 with 1 rules applied. Total rules applied 9 place count 100 transition count 272
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 10 place count 99 transition count 270
Iterating global reduction 2 with 1 rules applied. Total rules applied 11 place count 99 transition count 270
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 17 place count 96 transition count 277
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 23 place count 96 transition count 271
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 26 place count 96 transition count 268
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 96 transition count 271
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 33 place count 94 transition count 268
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 35 place count 94 transition count 266
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 36 place count 93 transition count 265
Applied a total of 36 rules in 133 ms. Remains 93 /103 variables (removed 10) and now considering 265/280 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 93/103 places, 265/280 transitions.
RANDOM walk for 40000 steps (2526 resets) in 621 ms. (64 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (615 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (642 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (647 resets) in 90 ms. (439 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (669 resets) in 122 ms. (325 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (598 resets) in 83 ms. (476 steps per ms) remains 5/5 properties
[2026-05-26 10:41:30] [INFO ] Flow matrix only has 236 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-3595926756207006519.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7536021153564090654.kers'
[2026-05-26 10:41:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3595926756207006519.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7536021153564090654.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 236 rows 90 cols 767 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:41:30] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7536021153564090654.kers
Total runtime 1 ms.
[2026-05-26 10:41:30] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 78/85 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 232/317 variables, 85/90 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 38/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 11/328 variables, 7/135 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 3/138 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/329 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/329 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 139 constraints, problems are : Problem set: 0 solved, 5 unsolved in 751 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 78/85 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 232/317 variables, 85/90 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/317 variables, 38/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 5/133 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 11/328 variables, 7/140 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 1/329 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/329 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 144 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1217 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1984ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 1268 ms.
Support contains 7 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 265/265 transitions.
Applied a total of 0 rules in 11 ms. Remains 93 /93 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 93/93 places, 265/265 transitions.
RANDOM walk for 40000 steps (2553 resets) in 171 ms. (232 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (638 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (624 resets) in 100 ms. (396 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (657 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (622 resets) in 92 ms. (430 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (575 resets) in 95 ms. (416 steps per ms) remains 5/5 properties
Finished probabilistic random walk after 18446 steps, run visited all 5 properties in 272 ms. (steps per millisecond=67 )
Probabilistic random walk after 18446 steps, saw 6997 distinct states, run finished after 280 ms. (steps per millisecond=65 ) properties seen :5
Computed a total of 5 stabilizing places and 7 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(p0)) U (p1 U G(p2)))&&F(p1)))'
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 102 transition count 277
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 102 transition count 277
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 101 transition count 275
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 101 transition count 275
Applied a total of 4 rules in 16 ms. Remains 101 /103 variables (removed 2) and now considering 275/280 (removed 5) transitions.
[2026-05-26 10:41:34] [INFO ] Flow matrix only has 249 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-4724364635339774917.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4843648673272229179.kers'
[2026-05-26 10:41:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4724364635339774917.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4843648673272229179.kers]
Normalized transition count is 248 out of 249 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 248 rows 101 cols 814 entries
Finished phase 1 with 94 SingleSign rule and 0 generalized
[2026-05-26 10:41:34] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4843648673272229179.kers
Total runtime 2 ms.
[2026-05-26 10:41:34] [INFO ] Implicit Places using invariants in 167 ms returned []
[2026-05-26 10:41:34] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
[2026-05-26 10:41:34] [INFO ] Invariant cache hit.
[2026-05-26 10:41:34] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 10:41:35] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 503 ms to find 0 implicit places.
Running 274 sub problems to find dead transitions.
[2026-05-26 10:41:35] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
[2026-05-26 10:41:35] [INFO ] Invariant cache hit.
[2026-05-26 10:41:35] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 1 (OVERLAPS) 1/101 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 4 (OVERLAPS) 248/349 variables, 101/115 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/349 variables, 37/152 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/349 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 7 (OVERLAPS) 1/350 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/350 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 9 (OVERLAPS) 0/350 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 274 unsolved
No progress, stopping.
After SMT solving in domain Real declared 350/350 variables, and 153 constraints, problems are : Problem set: 0 solved, 274 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 101/101 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 274/274 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 274 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 1 (OVERLAPS) 1/101 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 4 (OVERLAPS) 248/349 variables, 101/115 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/349 variables, 37/152 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/349 variables, 274/426 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/349 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 274 unsolved
At refinement iteration 8 (OVERLAPS) 1/350 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 274 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 350/350 variables, and 427 constraints, problems are : Problem set: 0 solved, 274 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 101/101 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 274/274 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60199ms problems are : Problem set: 0 solved, 274 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Starting structural reductions in LTL mode, iteration 1 : 101/103 places, 275/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60725 ms. Remains : 101/103 places, 275/280 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)) U (p1 U G(p2)))&&F(p1)))'
Stuttering acceptance computed with spot in 913 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p2), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), true, (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 3 ms.
FORMULA FireWire-PT-01-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-00 finished in 61807 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))||(!p1&&X((F((p2||G(!p3)))||G(!p1)))))))'
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 13 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:42:36] [INFO ] Flow matrix only has 244 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-16973107277335467783.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13889155013594052833.kers'
[2026-05-26 10:42:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16973107277335467783.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13889155013594052833.kers]
Normalized transition count is 243 out of 244 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 243 rows 99 cols 796 entries
Finished phase 1 with 92 SingleSign rule and 0 generalized
[2026-05-26 10:42:36] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13889155013594052833.kers
Total runtime 2 ms.
[2026-05-26 10:42:36] [INFO ] Implicit Places using invariants in 173 ms returned []
[2026-05-26 10:42:36] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:42:36] [INFO ] Invariant cache hit.
[2026-05-26 10:42:36] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:42:36] [INFO ] Implicit Places using invariants and state equation in 371 ms returned []
Implicit Place search using SMT with State Equation took 546 ms to find 0 implicit places.
Running 269 sub problems to find dead transitions.
[2026-05-26 10:42:36] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:42:36] [INFO ] Invariant cache hit.
[2026-05-26 10:42:36] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (OVERLAPS) 1/343 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (OVERLAPS) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 150 constraints, problems are : Problem set: 0 solved, 269 unsolved in 27055 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 269 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 269/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (OVERLAPS) 1/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 419 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57186ms problems are : Problem set: 0 solved, 269 unsolved
Search for dead transitions found 0 dead transitions in 57188ms
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57749 ms. Remains : 99/103 places, 270/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))||(X((F((p1||G(p2)))||G(p3)))&&p3))))'
Stuttering acceptance computed with spot in 311 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p3) (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : FireWire-PT-01-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 528 ms.
Product exploration explored 100000 steps with 33333 reset in 345 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Computed a total of 5 stabilizing places and 7 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 7 factoid took 25 ms. Proved property starting from automaton with 5 states, 8 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 39 ms.
FORMULA FireWire-PT-01-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-01-LTLFireability-01 finished in 59044 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||((p1 U G(p2)) U X(p3))))||X(F(p0)))))'
Support contains 8 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 8 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:43:35] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:43:35] [INFO ] Invariant cache hit.
[2026-05-26 10:43:35] [INFO ] Implicit Places using invariants in 139 ms returned []
[2026-05-26 10:43:35] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:43:35] [INFO ] Invariant cache hit.
[2026-05-26 10:43:35] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:43:36] [INFO ] Implicit Places using invariants and state equation in 515 ms returned []
Implicit Place search using SMT with State Equation took 658 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 668 ms. Remains : 99/103 places, 270/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||((p1 U G(p2)) U X(p3))))||X(F(p0)))))'
Stuttering acceptance computed with spot in 579 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FireWire-PT-01-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-03 finished in 1322 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((F(p0)&&X(p1))))&&(G(p2)||X(p0))))'
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 100 transition count 272
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 100 transition count 272
Applied a total of 6 rules in 8 ms. Remains 100 /103 variables (removed 3) and now considering 272/280 (removed 8) transitions.
[2026-05-26 10:43:36] [INFO ] Flow matrix only has 246 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-4407046019022037130.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3123696207133575448.kers'
[2026-05-26 10:43:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4407046019022037130.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3123696207133575448.kers]
Normalized transition count is 245 out of 246 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 245 rows 100 cols 804 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-26 10:43:36] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3123696207133575448.kers
Total runtime 3 ms.
[2026-05-26 10:43:36] [INFO ] Implicit Places using invariants in 153 ms returned []
[2026-05-26 10:43:36] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
[2026-05-26 10:43:36] [INFO ] Invariant cache hit.
[2026-05-26 10:43:37] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:43:37] [INFO ] Implicit Places using invariants and state equation in 359 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
Running 271 sub problems to find dead transitions.
[2026-05-26 10:43:37] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
[2026-05-26 10:43:37] [INFO ] Invariant cache hit.
[2026-05-26 10:43:37] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (OVERLAPS) 245/345 variables, 100/115 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/345 variables, 36/151 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/345 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (OVERLAPS) 1/346 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/346 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 9 (OVERLAPS) 0/346 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 271 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 152 constraints, problems are : Problem set: 0 solved, 271 unsolved in 26982 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 100/100 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (OVERLAPS) 1/100 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (OVERLAPS) 245/345 variables, 100/115 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/345 variables, 36/151 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/345 variables, 271/422 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/345 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 8 (OVERLAPS) 1/346 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 271 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 346/346 variables, and 423 constraints, problems are : Problem set: 0 solved, 271 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 100/100 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57064ms problems are : Problem set: 0 solved, 271 unsolved
Search for dead transitions found 0 dead transitions in 57065ms
Starting structural reductions in LTL mode, iteration 1 : 100/103 places, 272/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57590 ms. Remains : 100/103 places, 272/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((F(p0)&&X(p1))))&&(G(p2)||X(p0))))'
Stuttering acceptance computed with spot in 482 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (OR (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0)), true, (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-04 finished in 58132 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 1 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 102 transition count 278
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 101 transition count 278
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 101 transition count 277
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 100 transition count 277
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 98 transition count 271
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 98 transition count 271
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 10 place count 96 transition count 267
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 96 transition count 267
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 18 place count 93 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 24 place count 93 transition count 268
Applied a total of 24 rules in 57 ms. Remains 93 /103 variables (removed 10) and now considering 268/280 (removed 12) transitions.
[2026-05-26 10:44:34] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8551537201712356896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8783960466233336446.kers'
[2026-05-26 10:44:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8551537201712356896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8783960466233336446.kers]
Normalized transition count is 234 out of 235 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 234 rows 90 cols 754 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:44:34] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8783960466233336446.kers
Total runtime 2 ms.
[2026-05-26 10:44:35] [INFO ] Implicit Places using invariants in 170 ms returned []
[2026-05-26 10:44:35] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:44:35] [INFO ] Invariant cache hit.
[2026-05-26 10:44:35] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:44:35] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2026-05-26 10:44:35] [INFO ] Redundant transitions in 22 ms returned []
Running 265 sub problems to find dead transitions.
[2026-05-26 10:44:35] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:44:35] [INFO ] Invariant cache hit.
[2026-05-26 10:44:35] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/106 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (OVERLAPS) 1/327 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 9 (OVERLAPS) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Real declared 327/328 variables, and 145 constraints, problems are : Problem set: 0 solved, 265 unsolved in 26471 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 265/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/326 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 1/327 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 327/328 variables, and 410 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56570ms problems are : Problem set: 0 solved, 265 unsolved
Search for dead transitions found 0 dead transitions in 56571ms
Starting structural reductions in SI_LTL mode, iteration 1 : 93/103 places, 268/280 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57150 ms. Remains : 93/103 places, 268/280 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 56 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-01-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-05 finished in 57251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 7 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 103 transition count 279
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 102 transition count 279
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 102 transition count 278
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 101 transition count 278
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 5 place count 100 transition count 275
Iterating global reduction 2 with 1 rules applied. Total rules applied 6 place count 100 transition count 275
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 7 place count 99 transition count 273
Iterating global reduction 2 with 1 rules applied. Total rules applied 8 place count 99 transition count 273
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 97 transition count 277
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 16 place count 97 transition count 273
Applied a total of 16 rules in 55 ms. Remains 97 /103 variables (removed 6) and now considering 273/280 (removed 7) transitions.
[2026-05-26 10:45:32] [INFO ] Flow matrix only has 243 transitions (discarded 30 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6647534395252182738.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-267399316602109594.kers'
[2026-05-26 10:45:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6647534395252182738.kers, --Pflows, --basisKERS=/tmp/petrispot-output-267399316602109594.kers]
Normalized transition count is 242 out of 243 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 242 rows 97 cols 798 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-26 10:45:32] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-267399316602109594.kers
Total runtime 3 ms.
[2026-05-26 10:45:32] [INFO ] Implicit Places using invariants in 143 ms returned []
[2026-05-26 10:45:32] [INFO ] Flow matrix only has 243 transitions (discarded 30 similar events)
[2026-05-26 10:45:32] [INFO ] Invariant cache hit.
[2026-05-26 10:45:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-26 10:45:32] [INFO ] Implicit Places using invariants and state equation in 600 ms returned []
Implicit Place search using SMT with State Equation took 747 ms to find 0 implicit places.
[2026-05-26 10:45:32] [INFO ] Redundant transitions in 7 ms returned []
Running 272 sub problems to find dead transitions.
[2026-05-26 10:45:32] [INFO ] Flow matrix only has 243 transitions (discarded 30 similar events)
[2026-05-26 10:45:32] [INFO ] Invariant cache hit.
[2026-05-26 10:45:32] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (OVERLAPS) 1/97 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (OVERLAPS) 242/339 variables, 97/111 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/339 variables, 39/150 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/339 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 1/340 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/340 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 9 (OVERLAPS) 0/340 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 340/340 variables, and 151 constraints, problems are : Problem set: 0 solved, 272 unsolved in 27062 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 97/97 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (OVERLAPS) 1/97 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (OVERLAPS) 242/339 variables, 97/111 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/339 variables, 39/150 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/339 variables, 272/422 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/339 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 8 (OVERLAPS) 1/340 variables, 1/423 constraints. Problems are: Problem set: 0 solved, 272 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 340/340 variables, and 423 constraints, problems are : Problem set: 0 solved, 272 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 97/97 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57174ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 57175ms
Starting structural reductions in SI_LTL mode, iteration 1 : 97/103 places, 273/280 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57998 ms. Remains : 97/103 places, 273/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-06 finished in 58181 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&&G(p1))))'
Support contains 3 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 102 transition count 278
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 101 transition count 278
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 101 transition count 277
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 100 transition count 277
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 98 transition count 271
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 98 transition count 271
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 10 place count 96 transition count 267
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 96 transition count 267
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 18 place count 93 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 24 place count 93 transition count 268
Applied a total of 24 rules in 42 ms. Remains 93 /103 variables (removed 10) and now considering 268/280 (removed 12) transitions.
[2026-05-26 10:46:30] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14786342082828677590.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15654422809274782630.kers'
[2026-05-26 10:46:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14786342082828677590.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15654422809274782630.kers]
Normalized transition count is 234 out of 235 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 234 rows 90 cols 754 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:46:30] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15654422809274782630.kers
Total runtime 3 ms.
[2026-05-26 10:46:30] [INFO ] Implicit Places using invariants in 243 ms returned []
[2026-05-26 10:46:30] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:46:30] [INFO ] Invariant cache hit.
[2026-05-26 10:46:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:46:30] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 631 ms to find 0 implicit places.
[2026-05-26 10:46:30] [INFO ] Redundant transitions in 6 ms returned []
Running 265 sub problems to find dead transitions.
[2026-05-26 10:46:30] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:46:30] [INFO ] Invariant cache hit.
[2026-05-26 10:46:30] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/106 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (OVERLAPS) 1/327 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 9 (OVERLAPS) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Real declared 327/328 variables, and 145 constraints, problems are : Problem set: 0 solved, 265 unsolved in 28948 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 265/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/326 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 1/327 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 327/328 variables, and 410 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59071ms problems are : Problem set: 0 solved, 265 unsolved
Search for dead transitions found 0 dead transitions in 59073ms
Starting structural reductions in SI_LTL mode, iteration 1 : 93/103 places, 268/280 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59761 ms. Remains : 93/103 places, 268/280 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&&G(p1))))'
Stuttering acceptance computed with spot in 114 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-07 finished in 59924 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(G(p0)))))&&(X(p1)||G(p2)))))'
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 6 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:47:30] [INFO ] Flow matrix only has 244 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-11988660336024883782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8328782255584747790.kers'
[2026-05-26 10:47:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11988660336024883782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8328782255584747790.kers]
Normalized transition count is 243 out of 244 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 243 rows 99 cols 796 entries
Finished phase 1 with 92 SingleSign rule and 0 generalized
[2026-05-26 10:47:30] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-8328782255584747790.kers
Total runtime 4 ms.
[2026-05-26 10:47:30] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-05-26 10:47:30] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:47:30] [INFO ] Invariant cache hit.
[2026-05-26 10:47:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:47:30] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Running 269 sub problems to find dead transitions.
[2026-05-26 10:47:30] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:47:30] [INFO ] Invariant cache hit.
[2026-05-26 10:47:30] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (OVERLAPS) 1/343 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (OVERLAPS) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 150 constraints, problems are : Problem set: 0 solved, 269 unsolved in 27267 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 269 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 269/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (OVERLAPS) 1/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 419 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57386ms problems are : Problem set: 0 solved, 269 unsolved
Search for dead transitions found 0 dead transitions in 57388ms
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57902 ms. Remains : 99/103 places, 270/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(G(p0)))))&&(X(p1)||G(p2)))))'
Stuttering acceptance computed with spot in 391 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p0), (NOT p0), (NOT p0), true, (NOT p2)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-08 finished in 58360 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 X(p1))&&((X(p3)&&p2) U !p1)) U X(p0)))'
Support contains 6 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 4 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:48:28] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:28] [INFO ] Invariant cache hit.
[2026-05-26 10:48:28] [INFO ] Implicit Places using invariants in 105 ms returned []
[2026-05-26 10:48:28] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:28] [INFO ] Invariant cache hit.
[2026-05-26 10:48:28] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:48:28] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 334 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 339 ms. Remains : 99/103 places, 270/280 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 X(p1))&&((X(p3)&&p2) U !p1)) U X(p0)))'
Stuttering acceptance computed with spot in 410 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) p1)), false, true, (OR (NOT p3) p1), (AND (NOT p1) p0)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-09 finished in 803 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((X(X(p0))||F(p1))) U p2)))'
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 5 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:48:29] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:29] [INFO ] Invariant cache hit.
[2026-05-26 10:48:29] [INFO ] Implicit Places using invariants in 151 ms returned []
[2026-05-26 10:48:29] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:29] [INFO ] Invariant cache hit.
[2026-05-26 10:48:29] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:48:29] [INFO ] Implicit Places using invariants and state equation in 359 ms returned []
Implicit Place search using SMT with State Equation took 513 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 518 ms. Remains : 99/103 places, 270/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((X(X(p0))||F(p1))) U p2)))'
Stuttering acceptance computed with spot in 259 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-11 finished in 835 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0||(!p1 U (p2||G(!p1))))))))'
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 4 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:48:30] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:30] [INFO ] Invariant cache hit.
[2026-05-26 10:48:30] [INFO ] Implicit Places using invariants in 147 ms returned []
[2026-05-26 10:48:30] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:30] [INFO ] Invariant cache hit.
[2026-05-26 10:48:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:48:30] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 513 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 519 ms. Remains : 99/103 places, 270/280 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0||(!p1 U (p2||G(!p1))))))))'
Stuttering acceptance computed with spot in 242 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0))]
Running random walk in product with property : FireWire-PT-01-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 179 ms.
Product exploration explored 100000 steps with 0 reset in 268 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Computed a total of 5 stabilizing places and 7 stable transitions
Knowledge based reduction with 7 factoid took 90 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (2235 resets) in 1129 ms. (35 steps per ms) remains 3/8 properties
BEST_FIRST walk for 40003 steps (15 resets) in 431 ms. (92 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (857 resets) in 338 ms. (118 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (800 resets) in 287 ms. (138 steps per ms) remains 3/3 properties
[2026-05-26 10:48:32] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:48:32] [INFO ] Invariant cache hit.
[2026-05-26 10:48:32] [INFO ] State equation strengthened by 37 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
Problem apf3 is UNSAT
After SMT solving in domain Real declared 70/343 variables, and 3 constraints, problems are : Problem set: 3 solved, 0 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 3/7 constraints, State Equation: 0/99 constraints, ReadFeed: 0/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 10 factoid took 11 ms. Proved property starting from automaton with 5 states, 9 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 842 ms.
FORMULA FireWire-PT-01-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-01-LTLFireability-12 finished in 2093 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 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 102 transition count 278
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 101 transition count 278
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 101 transition count 277
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 100 transition count 277
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 98 transition count 271
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 98 transition count 271
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 10 place count 96 transition count 267
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 96 transition count 267
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 18 place count 93 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 24 place count 93 transition count 268
Applied a total of 24 rules in 27 ms. Remains 93 /103 variables (removed 10) and now considering 268/280 (removed 12) transitions.
[2026-05-26 10:48:32] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18317803256750348909.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9092396385301783288.kers'
[2026-05-26 10:48:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18317803256750348909.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9092396385301783288.kers]
Normalized transition count is 234 out of 235 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 234 rows 90 cols 754 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:48:32] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9092396385301783288.kers
Total runtime 3 ms.
[2026-05-26 10:48:32] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-26 10:48:32] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:48:32] [INFO ] Invariant cache hit.
[2026-05-26 10:48:32] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:48:32] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
[2026-05-26 10:48:32] [INFO ] Redundant transitions in 2 ms returned []
Running 265 sub problems to find dead transitions.
[2026-05-26 10:48:32] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:48:32] [INFO ] Invariant cache hit.
[2026-05-26 10:48:32] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/106 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (OVERLAPS) 1/327 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (OVERLAPS) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Real declared 327/328 variables, and 145 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 265/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/326 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 1/327 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 327/328 variables, and 410 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60149ms problems are : Problem set: 0 solved, 265 unsolved
Search for dead transitions found 0 dead transitions in 60151ms
Starting structural reductions in SI_LTL mode, iteration 1 : 93/103 places, 268/280 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60504 ms. Remains : 93/103 places, 268/280 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 108 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-01-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 232 ms.
Product exploration explored 100000 steps with 1 reset in 109 ms.
Computed a total of 2 stabilizing places and 5 stable transitions
Computed a total of 2 stabilizing places and 5 stable transitions
Knowledge based reduction with 3 factoid took 79 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 28156 steps (1770 resets) in 87 ms. (319 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 96 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 339 ms.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 93 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 93/93 places, 268/268 transitions.
Applied a total of 0 rules in 8 ms. Remains 93 /93 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2026-05-26 10:49:33] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:49:33] [INFO ] Invariant cache hit.
[2026-05-26 10:49:33] [INFO ] Implicit Places using invariants in 121 ms returned []
[2026-05-26 10:49:33] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:49:33] [INFO ] Invariant cache hit.
[2026-05-26 10:49:34] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:49:34] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
[2026-05-26 10:49:34] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 447 ms. Remains : 93/93 places, 268/268 transitions.
Computed a total of 2 stabilizing places and 5 stable transitions
Computed a total of 2 stabilizing places and 5 stable transitions
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (2578 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (23 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 5999 steps, run visited all 1 properties in 19 ms. (steps per millisecond=315 )
Probabilistic random walk after 5999 steps, saw 2899 distinct states, run finished after 20 ms. (steps per millisecond=299 ) properties seen :1
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 302 ms.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 62 ms.
Product exploration explored 100000 steps with 0 reset in 63 ms.
Built C files in :
/tmp/ltsmin12129521111932930076
[2026-05-26 10:49:34] [INFO ] Computing symmetric may disable matrix : 268 transitions.
[2026-05-26 10:49:34] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 10:49:34] [INFO ] Computing symmetric may enable matrix : 268 transitions.
[2026-05-26 10:49:34] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 10:49:34] [INFO ] Computing Do-Not-Accords matrix : 268 transitions.
[2026-05-26 10:49:34] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 10:49:34] [INFO ] Built C files in 84ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12129521111932930076
Running compilation step : cd /tmp/ltsmin12129521111932930076;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1273 ms.
Running link step : cd /tmp/ltsmin12129521111932930076;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 82 ms.
Running LTSmin : cd /tmp/ltsmin12129521111932930076;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased10252142496319418689.hoa' '--buchi-type=spotba'
LTSmin run took 1292 ms.
FORMULA FireWire-PT-01-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-01-LTLFireability-13 finished in 65303 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 (F(G((p1||X(p0)))) U p1)))'
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 4 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:49:37] [INFO ] Flow matrix only has 244 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-8410442042301903227.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4887960021960980497.kers'
[2026-05-26 10:49:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8410442042301903227.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4887960021960980497.kers]
Normalized transition count is 243 out of 244 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 243 rows 99 cols 796 entries
Finished phase 1 with 92 SingleSign rule and 0 generalized
[2026-05-26 10:49:37] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4887960021960980497.kers
Total runtime 3 ms.
[2026-05-26 10:49:37] [INFO ] Implicit Places using invariants in 117 ms returned []
[2026-05-26 10:49:37] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:49:37] [INFO ] Invariant cache hit.
[2026-05-26 10:49:37] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:49:37] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
Running 269 sub problems to find dead transitions.
[2026-05-26 10:49:37] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:49:37] [INFO ] Invariant cache hit.
[2026-05-26 10:49:37] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (OVERLAPS) 1/343 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (OVERLAPS) 0/343 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 150 constraints, problems are : Problem set: 0 solved, 269 unsolved in 27504 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 269 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/99 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 243/342 variables, 99/113 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 36/149 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 269/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/342 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (OVERLAPS) 1/343 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 419 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 99/99 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57623ms problems are : Problem set: 0 solved, 269 unsolved
Search for dead transitions found 0 dead transitions in 57625ms
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58005 ms. Remains : 99/103 places, 270/280 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 (F(G((p1||X(p0)))) U p1)))'
Stuttering acceptance computed with spot in 174 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FireWire-PT-01-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-14 finished in 58230 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)||(p1 U X(p2))))'
Support contains 5 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 280/280 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 101 transition count 274
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 101 transition count 274
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 99 transition count 270
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 99 transition count 270
Applied a total of 8 rules in 4 ms. Remains 99 /103 variables (removed 4) and now considering 270/280 (removed 10) transitions.
[2026-05-26 10:50:35] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:50:35] [INFO ] Invariant cache hit.
[2026-05-26 10:50:35] [INFO ] Implicit Places using invariants in 158 ms returned []
[2026-05-26 10:50:35] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:50:35] [INFO ] Invariant cache hit.
[2026-05-26 10:50:36] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:50:36] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 99/103 places, 270/280 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 505 ms. Remains : 99/103 places, 270/280 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)||(p1 U X(p2))))'
Stuttering acceptance computed with spot in 218 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FireWire-PT-01-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLFireability-15 finished in 769 ms.
All properties solved by simple procedures.
Total runtime 620136 ms.
BK_STOP 1779792636640
--------------------
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="FireWire-PT-01"
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 FireWire-PT-01, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955808900148"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-01.tgz
mv FireWire-PT-01 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;