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-177955809000236.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-12, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000236
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:07 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 125K 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-12-LTLFireability-00
FORMULA_NAME FireWire-PT-12-LTLFireability-01
FORMULA_NAME FireWire-PT-12-LTLFireability-02
FORMULA_NAME FireWire-PT-12-LTLFireability-03
FORMULA_NAME FireWire-PT-12-LTLFireability-04
FORMULA_NAME FireWire-PT-12-LTLFireability-05
FORMULA_NAME FireWire-PT-12-LTLFireability-06
FORMULA_NAME FireWire-PT-12-LTLFireability-07
FORMULA_NAME FireWire-PT-12-LTLFireability-08
FORMULA_NAME FireWire-PT-12-LTLFireability-09
FORMULA_NAME FireWire-PT-12-LTLFireability-10
FORMULA_NAME FireWire-PT-12-LTLFireability-11
FORMULA_NAME FireWire-PT-12-LTLFireability-12
FORMULA_NAME FireWire-PT-12-LTLFireability-13
FORMULA_NAME FireWire-PT-12-LTLFireability-14
FORMULA_NAME FireWire-PT-12-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779817824455

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-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-26 17:50:26] [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 17:50:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 17:50:27] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2026-05-26 17:50:27] [INFO ] Transformed 169 places.
[2026-05-26 17:50:27] [INFO ] Transformed 508 transitions.
[2026-05-26 17:50:27] [INFO ] Found NUPN structural information;
[2026-05-26 17:50:27] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 446 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Ensure Unique test removed 68 transitions
Reduce redundant transitions removed 68 transitions.
FORMULA FireWire-PT-12-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 440/440 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 166 transition count 434
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 166 transition count 434
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 166 transition count 428
Applied a total of 12 rules in 97 ms. Remains 166 /169 variables (removed 3) and now considering 428/440 (removed 12) transitions.
[2026-05-26 17:50:27] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15061248877384946057.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18231226027647860365.kers'
[2026-05-26 17:50:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15061248877384946057.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18231226027647860365.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 166 cols 1345 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:50:27] [INFO ] Computed 10 invariants in 3 ms
Computed 10 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-18231226027647860365.kers
Total runtime 6 ms.
[2026-05-26 17:50:28] [INFO ] Implicit Places using invariants in 656 ms returned []
[2026-05-26 17:50:28] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:50:28] [INFO ] Invariant cache hit.
[2026-05-26 17:50:28] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:50:29] [INFO ] Implicit Places using invariants and state equation in 1121 ms returned [62, 113, 164]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 1875 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/169 places, 428/440 transitions.
Applied a total of 0 rules in 14 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2020 ms. Remains : 163/169 places, 428/440 transitions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 22 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:50:29] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15667004390336050732.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10915173413679543158.kers'
[2026-05-26 17:50:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15667004390336050732.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10915173413679543158.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:50:29] [INFO ] Computed 7 invariants in 3 ms
Computed 7 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-10915173413679543158.kers
Total runtime 5 ms.
[2026-05-26 17:50:29] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-05-26 17:50:29] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:50:29] [INFO ] Invariant cache hit.
[2026-05-26 17:50:30] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:50:30] [INFO ] Implicit Places using invariants and state equation in 787 ms returned []
Implicit Place search using SMT with State Equation took 1069 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 17:50:30] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:50:30] [INFO ] Invariant cache hit.
[2026-05-26 17:50:30] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SMT process timed out in 30784ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30821ms
Finished structural reductions in LTL mode , in 1 iterations and 31958 ms. Remains : 163/163 places, 428/428 transitions.
Support contains 31 out of 163 places after structural reductions.
[2026-05-26 17:51:01] [INFO ] Flatten gal took : 136 ms
[2026-05-26 17:51:02] [INFO ] Flatten gal took : 70 ms
[2026-05-26 17:51:02] [INFO ] Input system was already deterministic with 428 transitions.
Support contains 30 out of 163 places (down from 31) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 23 to 22
RANDOM walk for 40000 steps (1079 resets) in 2228 ms. (17 steps per ms) remains 9/22 properties
BEST_FIRST walk for 40003 steps (218 resets) in 440 ms. (90 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (208 resets) in 283 ms. (140 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (196 resets) in 149 ms. (266 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (222 resets) in 122 ms. (325 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (212 resets) in 120 ms. (330 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (215 resets) in 116 ms. (341 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (215 resets) in 192 ms. (207 steps per ms) remains 6/8 properties
[2026-05-26 17:51:03] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:51:03] [INFO ] Invariant cache hit.
[2026-05-26 17:51:03] [INFO ] State equation strengthened by 58 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 129/140 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 9/149 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 384/533 variables, 149/156 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/533 variables, 55/211 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/533 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 25/558 variables, 14/225 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 2/227 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 1/559 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 228 constraints, problems are : Problem set: 0 solved, 6 unsolved in 715 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 129/140 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/140 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 9/149 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 384/533 variables, 149/160 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/533 variables, 55/215 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/533 variables, 6/221 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/533 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 25/558 variables, 14/235 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/558 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/558 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 1/559 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/559 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/559 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 239 constraints, problems are : Problem set: 0 solved, 6 unsolved in 3355 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4096ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
Parikh walk visited 2 properties in 1976 ms.
Support contains 10 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 428/428 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 163 transition count 425
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 163 transition count 419
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 157 transition count 419
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 21 place count 154 transition count 428
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 27 place count 154 transition count 422
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 154 transition count 419
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 154 transition count 424
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 41 place count 151 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 45 place count 151 transition count 415
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 46 place count 150 transition count 414
Applied a total of 46 rules in 139 ms. Remains 150 /163 variables (removed 13) and now considering 414/428 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 150/163 places, 414/428 transitions.
RANDOM walk for 40000 steps (1296 resets) in 908 ms. (44 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (275 resets) in 91 ms. (434 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (271 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (259 resets) in 122 ms. (325 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (271 resets) in 168 ms. (236 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 464109 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :1 out of 4
Probabilistic random walk after 464109 steps, saw 129927 distinct states, run finished after 3008 ms. (steps per millisecond=154 ) properties seen :1
[2026-05-26 17:51:13] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7163428451050433673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15824836517890247503.kers'
[2026-05-26 17:51:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7163428451050433673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15824836517890247503.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 378 rows 150 cols 1283 entries
Finished phase 1 with 143 SingleSign rule and 0 generalized
[2026-05-26 17:51:13] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-15824836517890247503.kers
Total runtime 10 ms.
[2026-05-26 17:51:13] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/133 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 370/503 variables, 133/137 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 56/193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/503 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 22/525 variables, 14/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/525 variables, 3/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/525 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/528 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 528/528 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 403 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/133 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 370/503 variables, 133/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/503 variables, 56/194 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/503 variables, 3/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 22/525 variables, 14/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/525 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/525 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/528 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/528 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 528/528 variables, and 217 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1570 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2024ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 327 ms.
Support contains 9 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 414/414 transitions.
Applied a total of 0 rules in 23 ms. Remains 150 /150 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 150/150 places, 414/414 transitions.
RANDOM walk for 40000 steps (1244 resets) in 292 ms. (136 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (283 resets) in 117 ms. (339 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (268 resets) in 76 ms. (519 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (253 resets) in 170 ms. (233 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 520682 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 3
Probabilistic random walk after 520682 steps, saw 142908 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2026-05-26 17:51:18] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2026-05-26 17:51:18] [INFO ] Invariant cache hit.
[2026-05-26 17:51:18] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/133 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 370/503 variables, 133/137 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 56/193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/503 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 22/525 variables, 14/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/525 variables, 3/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/525 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/528 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 528/528 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 335 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/133 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 370/503 variables, 133/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/503 variables, 56/194 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/503 variables, 3/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 22/525 variables, 14/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/525 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/525 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/528 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/528 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 528/528 variables, and 217 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1440 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1786ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 307 ms.
Support contains 9 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 414/414 transitions.
Applied a total of 0 rules in 20 ms. Remains 150 /150 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 150/150 places, 414/414 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 414/414 transitions.
Applied a total of 0 rules in 20 ms. Remains 150 /150 variables (removed 0) and now considering 414/414 (removed 0) transitions.
[2026-05-26 17:51:20] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2026-05-26 17:51:20] [INFO ] Invariant cache hit.
[2026-05-26 17:51:21] [INFO ] Implicit Places using invariants in 208 ms returned []
[2026-05-26 17:51:21] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2026-05-26 17:51:21] [INFO ] Invariant cache hit.
[2026-05-26 17:51:21] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:51:21] [INFO ] Implicit Places using invariants and state equation in 556 ms returned []
Implicit Place search using SMT with State Equation took 768 ms to find 0 implicit places.
[2026-05-26 17:51:21] [INFO ] Redundant transitions in 45 ms returned []
Running 408 sub problems to find dead transitions.
[2026-05-26 17:51:21] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2026-05-26 17:51:21] [INFO ] Invariant cache hit.
[2026-05-26 17:51:21] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (OVERLAPS) 378/528 variables, 150/163 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 56/219 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/528 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 528/528 variables, and 223 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 408 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (OVERLAPS) 378/528 variables, 150/167 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/528 variables, 408/631 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/528 variables, 1/632 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 528/528 variables, and 632 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60394ms problems are : Problem set: 0 solved, 408 unsolved
Search for dead transitions found 0 dead transitions in 60399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61246 ms. Remains : 150/150 places, 414/414 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 130 edges and 150 vertex of which 29 / 150 are part of one of the 4 SCC in 5 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 140 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 124 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 15 place count 124 transition count 261
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 16 place count 124 transition count 260
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 18 place count 123 transition count 259
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 19 place count 122 transition count 259
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 21 place count 121 transition count 258
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 23 place count 121 transition count 256
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 3 with 1 rules applied. Total rules applied 24 place count 121 transition count 255
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 25 place count 120 transition count 255
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 27 place count 119 transition count 254
Free-agglomeration rule applied 5 times with reduction of 2 identical transitions.
Iterating global reduction 5 with 5 rules applied. Total rules applied 32 place count 119 transition count 247
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 40 place count 114 transition count 244
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 43 place count 114 transition count 244
Applied a total of 43 rules in 107 ms. Remains 114 /150 variables (removed 36) and now considering 244/414 (removed 170) transitions.
Running SMT prover for 3 properties.
[2026-05-26 17:52:22] [INFO ] Flow matrix only has 242 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14438853361826098214.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4368075075203959250.kers'
[2026-05-26 17:52:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14438853361826098214.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4368075075203959250.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 242 rows 114 cols 881 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 17:52:22] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4368075075203959250.kers
Total runtime 4 ms.
[2026-05-26 17:52:22] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-26 17:52:22] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 17:52:22] [INFO ] After 210ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-26 17:52:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
TRAPS : Iteration 1
[2026-05-26 17:52:22] [INFO ] After 463ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-26 17:52:22] [INFO ] After 624ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 836 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(((p0 U X(X(p1))) U X(p2))))))'
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:52:23] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14398146631022681161.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-306610825769632275.kers'
[2026-05-26 17:52:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14398146631022681161.kers, --Pflows, --basisKERS=/tmp/petrispot-output-306610825769632275.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:52:23] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-306610825769632275.kers
Total runtime 3 ms.
[2026-05-26 17:52:23] [INFO ] Implicit Places using invariants in 243 ms returned []
[2026-05-26 17:52:23] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:23] [INFO ] Invariant cache hit.
[2026-05-26 17:52:23] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:52:24] [INFO ] Implicit Places using invariants and state equation in 623 ms returned []
Implicit Place search using SMT with State Equation took 869 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 17:52:24] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:24] [INFO ] Invariant cache hit.
[2026-05-26 17:52:24] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SMT process timed out in 30237ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30240ms
Finished structural reductions in LTL mode , in 1 iterations and 31114 ms. Remains : 163/163 places, 428/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(((p0 U X(X(p1))) U X(p2))))))'
Stuttering acceptance computed with spot in 864 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), true, (NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 3 ms.
FORMULA FireWire-PT-12-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-00 finished in 32125 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(F((X(((p2&&G(p3))||p1))||p0))))'
Support contains 5 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:52:55] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:55] [INFO ] Invariant cache hit.
[2026-05-26 17:52:55] [INFO ] Implicit Places using invariants in 245 ms returned []
[2026-05-26 17:52:55] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:55] [INFO ] Invariant cache hit.
[2026-05-26 17:52:56] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:52:56] [INFO ] Implicit Places using invariants and state equation in 652 ms returned []
Implicit Place search using SMT with State Equation took 899 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 905 ms. Remains : 163/163 places, 428/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(((p2&&G(p3))||p1))||p0))))'
Stuttering acceptance computed with spot in 244 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 595 ms.
Product exploration explored 100000 steps with 50000 reset in 378 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge based reduction with 8 factoid took 82 ms. Proved property starting from automaton with 4 states, 6 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 101 ms.
FORMULA FireWire-PT-12-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-12-LTLFireability-01 finished in 2279 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((F(p0) U (p0||F(G(p1))))))'
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:52:57] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:57] [INFO ] Invariant cache hit.
[2026-05-26 17:52:57] [INFO ] Implicit Places using invariants in 212 ms returned []
[2026-05-26 17:52:57] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:52:57] [INFO ] Invariant cache hit.
[2026-05-26 17:52:58] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:52:58] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 766 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 771 ms. Remains : 163/163 places, 428/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (F(G(p1))||p0))))'
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-02 finished in 900 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(F((X(F(X(p0))) U p1)))))'
Support contains 2 out of 163 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 162 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 156 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 153 transition count 430
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 24 place count 153 transition count 424
Applied a total of 24 rules in 79 ms. Remains 153 /163 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2026-05-26 17:52:58] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8775333944345996877.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7436800368600609650.kers'
[2026-05-26 17:52:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8775333944345996877.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7436800368600609650.kers]
Normalized transition count is 384 out of 385 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 384 rows 153 cols 1296 entries
Finished phase 1 with 146 SingleSign rule and 0 generalized
[2026-05-26 17:52:58] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7436800368600609650.kers
Total runtime 3 ms.
[2026-05-26 17:52:58] [INFO ] Implicit Places using invariants in 170 ms returned []
[2026-05-26 17:52:58] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:52:58] [INFO ] Invariant cache hit.
[2026-05-26 17:52:59] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:52:59] [INFO ] Implicit Places using invariants and state equation in 618 ms returned []
Implicit Place search using SMT with State Equation took 790 ms to find 0 implicit places.
[2026-05-26 17:52:59] [INFO ] Redundant transitions in 6 ms returned []
Running 417 sub problems to find dead transitions.
[2026-05-26 17:52:59] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:52:59] [INFO ] Invariant cache hit.
[2026-05-26 17:52:59] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 537/538 variables, and 228 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/172 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/228 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/645 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 537/538 variables, and 645 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60300ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60303ms
Starting structural reductions in SI_LTL mode, iteration 1 : 153/163 places, 424/428 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61190 ms. Remains : 153/163 places, 424/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(F((X(F(X(p0))) U p1)))))'
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-05 finished in 61332 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||(F(p0)&&X(X(X(!p1)))))))'
Support contains 5 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:53:59] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8259677688557695791.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12810175437370896567.kers'
[2026-05-26 17:54:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8259677688557695791.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12810175437370896567.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:54:00] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12810175437370896567.kers
Total runtime 3 ms.
[2026-05-26 17:54:00] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-26 17:54:00] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:54:00] [INFO ] Invariant cache hit.
[2026-05-26 17:54:00] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:54:00] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 17:54:00] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:54:00] [INFO ] Invariant cache hit.
[2026-05-26 17:54:00] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 7 (OVERLAPS) 1/559 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 559/559 variables, and 234 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 427/660 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 558/559 variables, and 660 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 57/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60190ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60192ms
Finished structural reductions in LTL mode , in 1 iterations and 60799 ms. Remains : 163/163 places, 428/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||(F(p0)&&X(X(X(p1)))))))'
Stuttering acceptance computed with spot in 394 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-06 finished in 61257 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 162 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 156 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 153 transition count 430
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 24 place count 153 transition count 424
Applied a total of 24 rules in 60 ms. Remains 153 /163 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2026-05-26 17:55:01] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8045682298310375842.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6087311603591208376.kers'
[2026-05-26 17:55:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8045682298310375842.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6087311603591208376.kers]
Normalized transition count is 384 out of 385 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 384 rows 153 cols 1296 entries
Finished phase 1 with 146 SingleSign rule and 0 generalized
[2026-05-26 17:55:01] [INFO ] Computed 7 invariants in 3 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6087311603591208376.kers
Total runtime 4 ms.
[2026-05-26 17:55:01] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-05-26 17:55:01] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:55:01] [INFO ] Invariant cache hit.
[2026-05-26 17:55:01] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:55:02] [INFO ] Implicit Places using invariants and state equation in 532 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
[2026-05-26 17:55:02] [INFO ] Redundant transitions in 7 ms returned []
Running 417 sub problems to find dead transitions.
[2026-05-26 17:55:02] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:55:02] [INFO ] Invariant cache hit.
[2026-05-26 17:55:02] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 537/538 variables, and 227 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/171 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/644 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 537/538 variables, and 644 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60251ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60254ms
Starting structural reductions in SI_LTL mode, iteration 1 : 153/163 places, 424/428 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61102 ms. Remains : 153/163 places, 424/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-07
Product exploration explored 100000 steps with 7 reset in 221 ms.
Product exploration explored 100000 steps with 0 reset in 240 ms.
Computed a total of 12 stabilizing places and 27 stable transitions
Computed a total of 12 stabilizing places and 27 stable transitions
Knowledge based reduction with 3 factoid took 76 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 30199 steps (972 resets) in 274 ms. (109 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Knowledge-based reduction took 343 ms.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Support contains 2 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 424/424 transitions.
Applied a total of 0 rules in 20 ms. Remains 153 /153 variables (removed 0) and now considering 424/424 (removed 0) transitions.
[2026-05-26 17:56:03] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:56:03] [INFO ] Invariant cache hit.
[2026-05-26 17:56:03] [INFO ] Implicit Places using invariants in 196 ms returned []
[2026-05-26 17:56:03] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:56:03] [INFO ] Invariant cache hit.
[2026-05-26 17:56:03] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:56:04] [INFO ] Implicit Places using invariants and state equation in 522 ms returned []
Implicit Place search using SMT with State Equation took 726 ms to find 0 implicit places.
[2026-05-26 17:56:04] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 760 ms. Remains : 153/153 places, 424/424 transitions.
Computed a total of 12 stabilizing places and 27 stable transitions
Computed a total of 12 stabilizing places and 27 stable transitions
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 27139 steps (860 resets) in 144 ms. (187 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 88 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Knowledge-based reduction took 269 ms.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Product exploration explored 100000 steps with 15 reset in 104 ms.
Product exploration explored 100000 steps with 1 reset in 517 ms.
Built C files in :
/tmp/ltsmin3341853956512392805
[2026-05-26 17:56:05] [INFO ] Computing symmetric may disable matrix : 424 transitions.
[2026-05-26 17:56:05] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 17:56:05] [INFO ] Computing symmetric may enable matrix : 424 transitions.
[2026-05-26 17:56:05] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 17:56:05] [INFO ] Computing Do-Not-Accords matrix : 424 transitions.
[2026-05-26 17:56:05] [INFO ] Computation of Completed DNA matrix. took 19 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 17:56:05] [INFO ] Built C files in 119ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3341853956512392805
Running compilation step : cd /tmp/ltsmin3341853956512392805;'/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 1770 ms.
Running link step : cd /tmp/ltsmin3341853956512392805;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 85 ms.
Running LTSmin : cd /tmp/ltsmin3341853956512392805;'/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/stateBased2198864405786553527.hoa' '--buchi-type=spotba'
LTSmin run took 999 ms.
FORMULA FireWire-PT-12-LTLFireability-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-12-LTLFireability-07 finished in 66866 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 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 162 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 156 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 153 transition count 430
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 24 place count 153 transition count 424
Applied a total of 24 rules in 45 ms. Remains 153 /163 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2026-05-26 17:56:08] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:56:08] [INFO ] Invariant cache hit.
[2026-05-26 17:56:08] [INFO ] Implicit Places using invariants in 233 ms returned []
[2026-05-26 17:56:08] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 17:56:08] [INFO ] Invariant cache hit.
[2026-05-26 17:56:08] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:56:08] [INFO ] Implicit Places using invariants and state equation in 566 ms returned []
Implicit Place search using SMT with State Equation took 802 ms to find 0 implicit places.
[2026-05-26 17:56:08] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/163 places, 424/428 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 863 ms. Remains : 153/163 places, 424/428 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 102 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-11 finished in 1001 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U p1)||X(X(p2)))))'
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:56:09] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7585396535146822160.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1361387926067270475.kers'
[2026-05-26 17:56:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7585396535146822160.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1361387926067270475.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:56:09] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1361387926067270475.kers
Total runtime 3 ms.
[2026-05-26 17:56:09] [INFO ] Implicit Places using invariants in 210 ms returned []
[2026-05-26 17:56:09] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:56:09] [INFO ] Invariant cache hit.
[2026-05-26 17:56:09] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:56:09] [INFO ] Implicit Places using invariants and state equation in 586 ms returned []
Implicit Place search using SMT with State Equation took 798 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 17:56:09] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:56:09] [INFO ] Invariant cache hit.
[2026-05-26 17:56:09] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SMT process timed out in 30243ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30247ms
Finished structural reductions in LTL mode , in 1 iterations and 31052 ms. Remains : 163/163 places, 428/428 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U p1)||X(X(p2)))))'
Stuttering acceptance computed with spot in 357 ms :[(AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), true, (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-12
Product exploration explored 100000 steps with 25034 reset in 337 ms.
Product exploration explored 100000 steps with 24989 reset in 302 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge based reduction with 10 factoid took 96 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 7 states, 12 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (1072 resets) in 768 ms. (52 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (213 resets) in 347 ms. (114 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (54 resets) in 414 ms. (96 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (52 resets) in 381 ms. (104 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (64 resets) in 203 ms. (196 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (50 resets) in 394 ms. (101 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (195 resets) in 139 ms. (285 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (60 resets) in 137 ms. (289 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 397670 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :3 out of 7
Probabilistic random walk after 397670 steps, saw 102234 distinct states, run finished after 3001 ms. (steps per millisecond=132 ) properties seen :3
[2026-05-26 17:56:45] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:56:45] [INFO ] Invariant cache hit.
[2026-05-26 17:56:45] [INFO ] State equation strengthened by 58 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem apf4 is UNSAT
At refinement iteration 1 (OVERLAPS) 92/98 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 51/149 variables, 4/7 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 384/533 variables, 149/156 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/533 variables, 55/211 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/533 variables, 0/211 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 25/558 variables, 14/225 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 2/227 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 0/227 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/559 variables, 1/228 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 0/228 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/559 variables, 0/228 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 228 constraints, problems are : Problem set: 1 solved, 3 unsolved in 533 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem apf1 is UNSAT
At refinement iteration 1 (OVERLAPS) 92/98 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/149 variables, 4/7 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 3/10 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/10 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 384/533 variables, 149/159 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/533 variables, 55/214 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/533 variables, 2/216 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/533 variables, 0/216 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 25/558 variables, 14/230 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 2/232 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 0/232 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/559 variables, 1/233 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/559 variables, 0/233 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/559 variables, 0/233 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 233 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1248 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1801ms problems are : Problem set: 2 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 64 ms.
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 428/428 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 163 transition count 425
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 163 transition count 419
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 157 transition count 419
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 21 place count 154 transition count 428
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 27 place count 154 transition count 422
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 154 transition count 419
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 35 place count 154 transition count 427
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 48 place count 149 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 54 place count 149 transition count 413
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 55 place count 148 transition count 412
Applied a total of 55 rules in 71 ms. Remains 148 /163 variables (removed 15) and now considering 412/428 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 148/163 places, 412/428 transitions.
RANDOM walk for 40000 steps (1279 resets) in 170 ms. (233 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (278 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (272 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 532020 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 2
Probabilistic random walk after 532020 steps, saw 146085 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2026-05-26 17:56:50] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16472443989474912478.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9980832658874884173.kers'
[2026-05-26 17:56:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16472443989474912478.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9980832658874884173.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 375 rows 148 cols 1278 entries
Finished phase 1 with 141 SingleSign rule and 0 generalized
[2026-05-26 17:56:50] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9980832658874884173.kers
Total runtime 2 ms.
[2026-05-26 17:56:50] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 327/419 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 36/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 93/512 variables, 48/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 20/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 10/522 variables, 7/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/523 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/523 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/523 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 523/523 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 491 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 327/419 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 36/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 93/512 variables, 48/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 20/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 2/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 10/522 variables, 7/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 1/523 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/523 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/523 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 523/523 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1484 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1999ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 6 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 412/412 transitions.
Applied a total of 0 rules in 10 ms. Remains 148 /148 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 148/148 places, 412/412 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 412/412 transitions.
Applied a total of 0 rules in 10 ms. Remains 148 /148 variables (removed 0) and now considering 412/412 (removed 0) transitions.
[2026-05-26 17:56:52] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:56:52] [INFO ] Invariant cache hit.
[2026-05-26 17:56:52] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-26 17:56:52] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:56:52] [INFO ] Invariant cache hit.
[2026-05-26 17:56:52] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:56:53] [INFO ] Implicit Places using invariants and state equation in 584 ms returned []
Implicit Place search using SMT with State Equation took 822 ms to find 0 implicit places.
[2026-05-26 17:56:53] [INFO ] Redundant transitions in 6 ms returned []
Running 406 sub problems to find dead transitions.
[2026-05-26 17:56:53] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:56:53] [INFO ] Invariant cache hit.
[2026-05-26 17:56:53] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/148 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/148 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/523 variables, 148/162 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 56/218 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/523 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 523/523 variables, and 222 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/148 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/148 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/523 variables, 148/166 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/523 variables, 406/628 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 523/523 variables, and 628 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60235ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60238ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61087 ms. Remains : 148/148 places, 412/412 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 134 edges and 148 vertex of which 29 / 148 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 123 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 142 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 122 transition count 269
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 13 place count 122 transition count 259
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 14 place count 122 transition count 258
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 15 place count 121 transition count 258
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 17 place count 120 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 19 place count 120 transition count 255
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 2 with 1 rules applied. Total rules applied 20 place count 120 transition count 254
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 21 place count 119 transition count 254
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 23 place count 118 transition count 253
Free-agglomeration rule applied 8 times with reduction of 4 identical transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 31 place count 118 transition count 241
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 42 place count 110 transition count 238
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 46 place count 110 transition count 238
Applied a total of 46 rules in 31 ms. Remains 110 /148 variables (removed 38) and now considering 238/412 (removed 174) transitions.
Running SMT prover for 2 properties.
[2026-05-26 17:57:53] [INFO ] Flow matrix only has 236 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11774718595981561.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1792598709935699349.kers'
[2026-05-26 17:57:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11774718595981561.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1792598709935699349.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 236 rows 110 cols 870 entries
Finished phase 1 with 103 SingleSign rule and 0 generalized
[2026-05-26 17:57:53] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1792598709935699349.kers
Total runtime 2 ms.
[2026-05-26 17:57:53] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 17:57:53] [INFO ] After 172ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-26 17:57:53] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 17:57:53] [INFO ] After 141ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-26 17:57:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
TRAPS : Iteration 1
[2026-05-26 17:57:53] [INFO ] After 293ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-26 17:57:53] [INFO ] After 387ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 602 ms.
Found 2 invariant AP formulas.
Knowledge based reduction with 12 factoid took 98 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), true]
Knowledge-based reduction took 73048 ms.
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), true]
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 17:57:54] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12235186249540095267.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-766988482760962285.kers'
[2026-05-26 17:57:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12235186249540095267.kers, --Pflows, --basisKERS=/tmp/petrispot-output-766988482760962285.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 17:57:54] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-766988482760962285.kers
Total runtime 2 ms.
[2026-05-26 17:57:54] [INFO ] Implicit Places using invariants in 161 ms returned []
[2026-05-26 17:57:54] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:57:54] [INFO ] Invariant cache hit.
[2026-05-26 17:57:54] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 17:57:55] [INFO ] Implicit Places using invariants and state equation in 426 ms returned []
Implicit Place search using SMT with State Equation took 591 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 17:57:55] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:57:55] [INFO ] Invariant cache hit.
[2026-05-26 17:57:55] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 7 (OVERLAPS) 1/559 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 559/559 variables, and 234 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 427/660 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 558/559 variables, and 660 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 57/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60183ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Finished structural reductions in LTL mode , in 1 iterations and 60780 ms. Remains : 163/163 places, 428/428 transitions.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge based reduction with 5 factoid took 59 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (1057 resets) in 252 ms. (158 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (199 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (51 resets) in 99 ms. (400 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (46 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (206 resets) in 62 ms. (634 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (58 resets) in 58 ms. (678 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 622766 steps, run timeout after 3001 ms. (steps per millisecond=207 ) properties seen :3 out of 5
Probabilistic random walk after 622766 steps, saw 153100 distinct states, run finished after 3001 ms. (steps per millisecond=207 ) properties seen :3
[2026-05-26 17:58:58] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 17:58:58] [INFO ] Invariant cache hit.
[2026-05-26 17:58:58] [INFO ] State equation strengthened by 58 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 92/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/149 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 384/533 variables, 149/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/533 variables, 55/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/533 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 25/558 variables, 14/225 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 2/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/559 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 228 constraints, problems are : Problem set: 0 solved, 2 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 92/98 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/149 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 384/533 variables, 149/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/533 variables, 55/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/533 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/533 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 25/558 variables, 14/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/559 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/559 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/559 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 232 constraints, problems are : Problem set: 0 solved, 2 unsolved in 952 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1328ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 57 ms.
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 428/428 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 163 transition count 425
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 163 transition count 419
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 157 transition count 419
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 21 place count 154 transition count 428
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 27 place count 154 transition count 422
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 154 transition count 419
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 35 place count 154 transition count 427
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 48 place count 149 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 54 place count 149 transition count 413
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 55 place count 148 transition count 412
Applied a total of 55 rules in 38 ms. Remains 148 /163 variables (removed 15) and now considering 412/428 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 148/163 places, 412/428 transitions.
RANDOM walk for 40000 steps (1265 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (262 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (253 resets) in 73 ms. (540 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 613551 steps, run timeout after 3001 ms. (steps per millisecond=204 ) properties seen :0 out of 2
Probabilistic random walk after 613551 steps, saw 163880 distinct states, run finished after 3001 ms. (steps per millisecond=204 ) properties seen :0
[2026-05-26 17:59:03] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9500881613182375883.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3809767276882214998.kers'
[2026-05-26 17:59:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9500881613182375883.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3809767276882214998.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 375 rows 148 cols 1278 entries
Finished phase 1 with 141 SingleSign rule and 0 generalized
[2026-05-26 17:59:03] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3809767276882214998.kers
Total runtime 3 ms.
[2026-05-26 17:59:03] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 327/419 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 36/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 93/512 variables, 48/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 20/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 10/522 variables, 7/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/523 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/523 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/523 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 523/523 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 86/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 327/419 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 36/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/419 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 93/512 variables, 48/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/512 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/512 variables, 20/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/512 variables, 2/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/512 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 10/522 variables, 7/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 1/523 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/523 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/523 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 523/523 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 948 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1266ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 6 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 412/412 transitions.
Applied a total of 0 rules in 7 ms. Remains 148 /148 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 148/148 places, 412/412 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 412/412 transitions.
Applied a total of 0 rules in 7 ms. Remains 148 /148 variables (removed 0) and now considering 412/412 (removed 0) transitions.
[2026-05-26 17:59:04] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:59:04] [INFO ] Invariant cache hit.
[2026-05-26 17:59:04] [INFO ] Implicit Places using invariants in 163 ms returned []
[2026-05-26 17:59:04] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:59:04] [INFO ] Invariant cache hit.
[2026-05-26 17:59:04] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 17:59:04] [INFO ] Implicit Places using invariants and state equation in 389 ms returned []
Implicit Place search using SMT with State Equation took 554 ms to find 0 implicit places.
[2026-05-26 17:59:04] [INFO ] Redundant transitions in 4 ms returned []
Running 406 sub problems to find dead transitions.
[2026-05-26 17:59:04] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2026-05-26 17:59:04] [INFO ] Invariant cache hit.
[2026-05-26 17:59:04] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/148 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/148 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/523 variables, 148/162 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 56/218 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/523 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 523/523 variables, and 222 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/148 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/148 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/523 variables, 148/166 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/523 variables, 406/628 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 523/523 variables, and 628 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 148/148 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60172ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60746 ms. Remains : 148/148 places, 412/412 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 134 edges and 148 vertex of which 29 / 148 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 123 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 142 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 122 transition count 269
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 13 place count 122 transition count 259
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 14 place count 122 transition count 258
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 15 place count 121 transition count 258
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 17 place count 120 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 19 place count 120 transition count 255
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 2 with 1 rules applied. Total rules applied 20 place count 120 transition count 254
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 21 place count 119 transition count 254
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 23 place count 118 transition count 253
Free-agglomeration rule applied 8 times with reduction of 4 identical transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 31 place count 118 transition count 241
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 42 place count 110 transition count 238
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 46 place count 110 transition count 238
Applied a total of 46 rules in 30 ms. Remains 110 /148 variables (removed 38) and now considering 238/412 (removed 174) transitions.
Running SMT prover for 2 properties.
[2026-05-26 18:00:05] [INFO ] Flow matrix only has 236 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4152470994324624103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-49296453880537655.kers'
[2026-05-26 18:00:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4152470994324624103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-49296453880537655.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 236 rows 110 cols 870 entries
Finished phase 1 with 103 SingleSign rule and 0 generalized
[2026-05-26 18:00:05] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-49296453880537655.kers
Total runtime 11 ms.
[2026-05-26 18:00:05] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 18:00:05] [INFO ] After 196ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-26 18:00:05] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 18:00:05] [INFO ] After 124ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-26 18:00:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
TRAPS : Iteration 1
[2026-05-26 18:00:05] [INFO ] After 294ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-26 18:00:05] [INFO ] After 387ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 640 ms.
Knowledge based reduction with 5 factoid took 87 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), true]
Knowledge-based reduction took 70761 ms.
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), true]
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), true]
Product exploration explored 100000 steps with 33401 reset in 180 ms.
Product exploration explored 100000 steps with 33341 reset in 198 ms.
Spot run failed in 106 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin15617430614156213487
[2026-05-26 18:00:06] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15617430614156213487
Running compilation step : cd /tmp/ltsmin15617430614156213487;'/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 956 ms.
Running link step : cd /tmp/ltsmin15617430614156213487;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin15617430614156213487;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased2391175990547113872.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 18:00:21] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11705051750899202659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18288546963307852925.kers'
[2026-05-26 18:00:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11705051750899202659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18288546963307852925.kers]
Normalized transition count is 395 out of 396 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 395 rows 163 cols 1330 entries
Finished phase 1 with 156 SingleSign rule and 0 generalized
[2026-05-26 18:00:21] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18288546963307852925.kers
Total runtime 3 ms.
[2026-05-26 18:00:21] [INFO ] Implicit Places using invariants in 158 ms returned []
[2026-05-26 18:00:21] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 18:00:21] [INFO ] Invariant cache hit.
[2026-05-26 18:00:22] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 18:00:22] [INFO ] Implicit Places using invariants and state equation in 400 ms returned []
Implicit Place search using SMT with State Equation took 563 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2026-05-26 18:00:22] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 18:00:22] [INFO ] Invariant cache hit.
[2026-05-26 18:00:22] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 7 (OVERLAPS) 1/559 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/559 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 559/559 variables, and 234 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 427/660 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 558/559 variables, and 661 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 57/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60181ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60183ms
Finished structural reductions in LTL mode , in 1 iterations and 60750 ms. Remains : 163/163 places, 428/428 transitions.
Built C files in :
/tmp/ltsmin4310235612579280102
[2026-05-26 18:01:22] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4310235612579280102
Running compilation step : cd /tmp/ltsmin4310235612579280102;'/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 929 ms.
Running link step : cd /tmp/ltsmin4310235612579280102;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin4310235612579280102;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased13249406351507976981.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-26 18:01:37] [INFO ] Flatten gal took : 51 ms
[2026-05-26 18:01:37] [INFO ] Flatten gal took : 50 ms
[2026-05-26 18:01:37] [INFO ] Time to serialize gal into /tmp/LTL6320637320369287028.gal : 13 ms
[2026-05-26 18:01:37] [INFO ] Time to serialize properties into /tmp/LTL15980584202113139769.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6320637320369287028.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15385348348519859708.hoa' '-atoms' '/tmp/LTL15980584202113139769.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL15980584202113139769.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15385348348519859708.hoa
Detected timeout of ITS tools.
[2026-05-26 18:01:52] [INFO ] Flatten gal took : 31 ms
[2026-05-26 18:01:52] [INFO ] Flatten gal took : 29 ms
[2026-05-26 18:01:52] [INFO ] Time to serialize gal into /tmp/LTL3928902752555710931.gal : 5 ms
[2026-05-26 18:01:52] [INFO ] Time to serialize properties into /tmp/LTL16483781897508457976.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3928902752555710931.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16483781897508457976.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G((("((!((p3==1)&&(p68==1)))||((p90==1)&&(p111==1)))")U("((p8==1)&&(p123==1))"))||(X(X("((p8==0)||(p123==0))"))))))
Formula 0 simplified : F((!"((!((p3==1)&&(p68==1)))||((p90==1)&&(p111==1)))" R !"((p8==1)&&(p123==1))") & XX!"((p8==0)||(p123==0))")
Detected timeout of ITS tools.
[2026-05-26 18:02:08] [INFO ] Flatten gal took : 25 ms
[2026-05-26 18:02:08] [INFO ] Applying decomposition
[2026-05-26 18:02:08] [INFO ] Flatten gal took : 28 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14392544027709745634.txt' '-o' '/tmp/graph14392544027709745634.bin' '-w' '/tmp/graph14392544027709745634.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14392544027709745634.bin' '-l' '-1' '-v' '-w' '/tmp/graph14392544027709745634.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:02:08] [INFO ] Decomposing Gal with order
[2026-05-26 18:02:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:02:08] [INFO ] Removed a total of 675 redundant transitions.
[2026-05-26 18:02:08] [INFO ] Flatten gal took : 132 ms
[2026-05-26 18:02:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 118 labels/synchronizations in 21 ms.
[2026-05-26 18:02:08] [INFO ] Time to serialize gal into /tmp/LTL12868249601241595150.gal : 9 ms
[2026-05-26 18:02:08] [INFO ] Time to serialize properties into /tmp/LTL7117524151781698122.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12868249601241595150.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7117524151781698122.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G((("((!((i0.i1.u1.p3==1)&&(i7.u23.p68==1)))||((i5.u28.p90==1)&&(i6.u29.p111==1)))")U("((i1.u3.p8==1)&&(i10.u42.p123==1))"))||(X(X(...197
Formula 0 simplified : F((!"((!((i0.i1.u1.p3==1)&&(i7.u23.p68==1)))||((i5.u28.p90==1)&&(i6.u29.p111==1)))" R !"((i1.u3.p8==1)&&(i10.u42.p123==1))") & XX!"(...190
Detected timeout of ITS tools.
Treatment of property FireWire-PT-12-LTLFireability-12 finished in 374453 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(p1)&&p0) U ((p1 U X(p2)) U X(!p3))))'
Support contains 7 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2026-05-26 18:02:23] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 18:02:23] [INFO ] Invariant cache hit.
[2026-05-26 18:02:23] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-26 18:02:23] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2026-05-26 18:02:23] [INFO ] Invariant cache hit.
[2026-05-26 18:02:23] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-26 18:02:24] [INFO ] Implicit Places using invariants and state equation in 447 ms returned []
Implicit Place search using SMT with State Equation took 631 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 633 ms. Remains : 163/163 places, 428/428 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(p1)&&p0) U ((p1 U X(p2)) U X(!p3))))'
Stuttering acceptance computed with spot in 325 ms :[p3, (AND (NOT p2) p3), p3, (AND (NOT p2) p3), p3, true, (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 225 ms.
Product exploration explored 100000 steps with 50000 reset in 208 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 29 factoid took 14 ms. Proved property starting from automaton with 9 states, 22 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 20 ms.
FORMULA FireWire-PT-12-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-12-LTLFireability-13 finished in 1469 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 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 162 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 156 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 153 transition count 430
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 24 place count 153 transition count 424
Applied a total of 24 rules in 22 ms. Remains 153 /163 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2026-05-26 18:02:25] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6189296164863720585.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4768231491634578208.kers'
[2026-05-26 18:02:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6189296164863720585.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4768231491634578208.kers]
Normalized transition count is 384 out of 385 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 384 rows 153 cols 1296 entries
Finished phase 1 with 146 SingleSign rule and 0 generalized
[2026-05-26 18:02:25] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4768231491634578208.kers
Total runtime 3 ms.
[2026-05-26 18:02:25] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-26 18:02:25] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 18:02:25] [INFO ] Invariant cache hit.
[2026-05-26 18:02:25] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-26 18:02:25] [INFO ] Implicit Places using invariants and state equation in 482 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
[2026-05-26 18:02:25] [INFO ] Redundant transitions in 4 ms returned []
Running 417 sub problems to find dead transitions.
[2026-05-26 18:02:25] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2026-05-26 18:02:25] [INFO ] Invariant cache hit.
[2026-05-26 18:02:25] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 537/538 variables, and 227 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/171 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/644 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 537/538 variables, and 644 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60193ms
Starting structural reductions in SI_LTL mode, iteration 1 : 153/163 places, 424/428 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60886 ms. Remains : 153/163 places, 424/428 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 62 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-15 finished in 60997 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U p1)||X(X(p2)))))'
Spot run failed in 91 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-26 18:03:26] [INFO ] Flatten gal took : 59 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin17341740024223029522
[2026-05-26 18:03:26] [INFO ] Computing symmetric may disable matrix : 428 transitions.
[2026-05-26 18:03:26] [INFO ] Computation of Complete disable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 18:03:26] [INFO ] Computing symmetric may enable matrix : 428 transitions.
[2026-05-26 18:03:26] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 18:03:26] [INFO ] Applying decomposition
[2026-05-26 18:03:26] [INFO ] Flatten gal took : 46 ms
[2026-05-26 18:03:26] [INFO ] Computing Do-Not-Accords matrix : 428 transitions.
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17639468433061981582.txt' '-o' '/tmp/graph17639468433061981582.bin' '-w' '/tmp/graph17639468433061981582.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17639468433061981582.bin' '-l' '-1' '-v' '-w' '/tmp/graph17639468433061981582.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:03:26] [INFO ] Decomposing Gal with order
[2026-05-26 18:03:26] [INFO ] Computation of Completed DNA matrix. took 27 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 18:03:26] [INFO ] Built C files in 232ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17341740024223029522
Running compilation step : cd /tmp/ltsmin17341740024223029522;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
[2026-05-26 18:03:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:03:26] [INFO ] Removed a total of 675 redundant transitions.
[2026-05-26 18:03:26] [INFO ] Flatten gal took : 88 ms
[2026-05-26 18:03:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 120 labels/synchronizations in 16 ms.
[2026-05-26 18:03:26] [INFO ] Time to serialize gal into /tmp/LTLFireability11968045533389330099.gal : 5 ms
[2026-05-26 18:03:26] [INFO ] Time to serialize properties into /tmp/LTLFireability12205203345136058584.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability11968045533389330099.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12205203345136058584.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 1 LTL properties
Checking formula 0 : !((G((("((!((i0.i1.u1.p3==1)&&(i7.u23.p68==1)))||((i5.u28.p90==1)&&(i6.u29.p111==1)))")U("((i1.u3.p8==1)&&(i8.u42.p123==1))"))||(X(X("...195
Formula 0 simplified : F((!"((!((i0.i1.u1.p3==1)&&(i7.u23.p68==1)))||((i5.u28.p90==1)&&(i6.u29.p111==1)))" R !"((i1.u3.p8==1)&&(i8.u42.p123==1))") & XX!"((...188
Compilation finished in 1694 ms.
Running link step : cd /tmp/ltsmin17341740024223029522;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 81 ms.
Running LTSmin : cd /tmp/ltsmin17341740024223029522;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '[]((((LTLAPp0==true) U (LTLAPp1==true))||X(X((LTLAPp2==true)))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t58, t61, t62, t65, t66, t90, t91, t94, t105, t107, t108, t109, t110, t147, t156, t160, t161,...1143
Computing Next relation with stutter on 2.75225e+06 deadlock states
7 unique states visited
0 strongly connected components in search stack
9 transitions explored
4 items max in DFS search stack
25785 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,257.916,2274872,1,0,2.44337e+06,2093,2364,1.50646e+07,179,13697,943842
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA FireWire-PT-12-LTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 1040243 ms.

BK_STOP 1779818866963

--------------------
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-12"
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-12, 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-177955809000236"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-12.tgz
mv FireWire-PT-12 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;