About the Execution of ITS-Tools for FireWire-PT-01
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 542.367 | 206766.00 | 262766.00 | 986.70 | TFFFFFTFFFTTFTFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r130-smll-177955808900147.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-01, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955808900147
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.2K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 84K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FireWire-PT-01-LTLCardinality-00
FORMULA_NAME FireWire-PT-01-LTLCardinality-01
FORMULA_NAME FireWire-PT-01-LTLCardinality-02
FORMULA_NAME FireWire-PT-01-LTLCardinality-03
FORMULA_NAME FireWire-PT-01-LTLCardinality-04
FORMULA_NAME FireWire-PT-01-LTLCardinality-05
FORMULA_NAME FireWire-PT-01-LTLCardinality-06
FORMULA_NAME FireWire-PT-01-LTLCardinality-07
FORMULA_NAME FireWire-PT-01-LTLCardinality-08
FORMULA_NAME FireWire-PT-01-LTLCardinality-09
FORMULA_NAME FireWire-PT-01-LTLCardinality-10
FORMULA_NAME FireWire-PT-01-LTLCardinality-11
FORMULA_NAME FireWire-PT-01-LTLCardinality-12
FORMULA_NAME FireWire-PT-01-LTLCardinality-13
FORMULA_NAME FireWire-PT-01-LTLCardinality-14
FORMULA_NAME FireWire-PT-01-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779791794656
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-26 10:36:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 10:36:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 10:36:37] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2026-05-26 10:36:37] [INFO ] Transformed 107 places.
[2026-05-26 10:36:37] [INFO ] Transformed 346 transitions.
[2026-05-26 10:36:37] [INFO ] Found NUPN structural information;
[2026-05-26 10:36:37] [INFO ] Parsed PT model containing 107 places and 346 transitions and 1271 arcs in 287 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 53 transitions
Reduce redundant transitions removed 53 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FireWire-PT-01-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-01-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 107 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 107/107 places, 293/293 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 105 transition count 287
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 105 transition count 287
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 10 place count 105 transition count 281
Applied a total of 10 rules in 68 ms. Remains 105 /107 variables (removed 2) and now considering 281/293 (removed 12) transitions.
[2026-05-26 10:36:37] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11417446435120309332.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17155772735412997261.kers'
[2026-05-26 10:36:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11417446435120309332.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17155772735412997261.kers]
Normalized transition count is 254 out of 255 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 254 rows 105 cols 839 entries
Finished phase 1 with 97 SingleSign rule and 0 generalized
[2026-05-26 10:36:37] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17155772735412997261.kers
Total runtime 3 ms.
[2026-05-26 10:36:37] [INFO ] Implicit Places using invariants in 372 ms returned []
[2026-05-26 10:36:37] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
[2026-05-26 10:36:37] [INFO ] Invariant cache hit.
[2026-05-26 10:36:38] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 10:36:38] [INFO ] Implicit Places using invariants and state equation in 359 ms returned []
Implicit Place search using SMT with State Equation took 787 ms to find 0 implicit places.
Running 280 sub problems to find dead transitions.
[2026-05-26 10:36:38] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
[2026-05-26 10:36:38] [INFO ] Invariant cache hit.
[2026-05-26 10:36:38] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 1/105 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 254/359 variables, 105/120 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/359 variables, 37/157 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/359 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 7 (OVERLAPS) 1/360 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 9 (OVERLAPS) 0/360 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 280 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 158 constraints, problems are : Problem set: 0 solved, 280 unsolved in 25775 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 280 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 1/105 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 254/359 variables, 105/120 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/359 variables, 37/157 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/359 variables, 280/437 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/359 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 8 (OVERLAPS) 1/360 variables, 1/438 constraints. Problems are: Problem set: 0 solved, 280 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 360/360 variables, and 438 constraints, problems are : Problem set: 0 solved, 280 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56171ms problems are : Problem set: 0 solved, 280 unsolved
Search for dead transitions found 0 dead transitions in 56197ms
Starting structural reductions in LTL mode, iteration 1 : 105/107 places, 281/293 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57122 ms. Remains : 105/107 places, 281/293 transitions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Applied a total of 0 rules in 8 ms. Remains 105 /105 variables (removed 0) and now considering 281/281 (removed 0) transitions.
[2026-05-26 10:37:34] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
[2026-05-26 10:37:34] [INFO ] Invariant cache hit.
[2026-05-26 10:37:34] [INFO ] Implicit Places using invariants in 158 ms returned []
[2026-05-26 10:37:34] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
[2026-05-26 10:37:34] [INFO ] Invariant cache hit.
[2026-05-26 10:37:34] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 10:37:35] [INFO ] Implicit Places using invariants and state equation in 354 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 524 ms. Remains : 105/105 places, 281/281 transitions.
Support contains 35 out of 105 places after structural reductions.
[2026-05-26 10:37:35] [INFO ] Flatten gal took : 107 ms
[2026-05-26 10:37:35] [INFO ] Flatten gal took : 52 ms
[2026-05-26 10:37:35] [INFO ] Input system was already deterministic with 281 transitions.
Reduction of identical properties reduced properties to check from 20 to 19
RANDOM walk for 40000 steps (2159 resets) in 2552 ms. (15 steps per ms) remains 7/19 properties
BEST_FIRST walk for 40003 steps (1063 resets) in 600 ms. (66 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (1083 resets) in 292 ms. (136 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (554 resets) in 218 ms. (182 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (590 resets) in 107 ms. (370 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (544 resets) in 91 ms. (434 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (552 resets) in 148 ms. (268 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (537 resets) in 99 ms. (400 steps per ms) remains 7/7 properties
[2026-05-26 10:37:36] [INFO ] Flow matrix only has 255 transitions (discarded 26 similar events)
[2026-05-26 10:37:36] [INFO ] Invariant cache hit.
[2026-05-26 10:37:36] [INFO ] State equation strengthened by 38 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 64/78 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 26/104 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 254/358 variables, 104/112 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 37/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/359 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/359 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 1/360 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/360 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 0/360 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 360/360 variables, and 151 constraints, problems are : Problem set: 0 solved, 7 unsolved in 800 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 64/78 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 26/104 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 254/358 variables, 104/114 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 37/151 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 5/156 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 1/359 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/359 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/359 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/359 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 1/360 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/360 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 0/360 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 360/360 variables, and 162 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1754 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 105/105 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2582ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 3223 ms.
Support contains 14 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 281/281 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 105 transition count 277
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5 place count 104 transition count 277
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 5 place count 104 transition count 276
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 103 transition count 276
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 9 place count 101 transition count 271
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 101 transition count 271
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 12 place count 100 transition count 269
Iterating global reduction 2 with 1 rules applied. Total rules applied 13 place count 100 transition count 269
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 19 place count 97 transition count 275
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 25 place count 97 transition count 269
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 28 place count 97 transition count 266
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 30 place count 97 transition count 267
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 34 place count 95 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 37 place count 95 transition count 262
Applied a total of 37 rules in 112 ms. Remains 95 /105 variables (removed 10) and now considering 262/281 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 95/105 places, 262/281 transitions.
RANDOM walk for 40000 steps (2414 resets) in 455 ms. (87 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1451 resets) in 116 ms. (341 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (1483 resets) in 110 ms. (360 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (636 resets) in 117 ms. (339 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (604 resets) in 89 ms. (444 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (645 resets) in 86 ms. (459 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (651 resets) in 125 ms. (317 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (628 resets) in 175 ms. (227 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 1115233 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :6 out of 7
Probabilistic random walk after 1115233 steps, saw 234377 distinct states, run finished after 3014 ms. (steps per millisecond=370 ) properties seen :6
[2026-05-26 10:37:46] [INFO ] Flow matrix only has 233 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3090130484373845294.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5980596753419804585.kers'
[2026-05-26 10:37:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3090130484373845294.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5980596753419804585.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 233 rows 95 cols 779 entries
Finished phase 1 with 87 SingleSign rule and 0 generalized
[2026-05-26 10:37:46] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-5980596753419804585.kers
Total runtime 8 ms.
[2026-05-26 10:37:46] [INFO ] State equation strengthened by 38 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/94 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 233/327 variables, 94/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/327 variables, 38/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/328 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/328 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 141 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 95/95 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/40 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/94 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 233/327 variables, 94/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 38/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/328 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 143 constraints, problems are : Problem set: 0 solved, 1 unsolved in 371 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 95/95 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 528ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 2 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 262/262 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 94 transition count 260
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 94 transition count 260
Applied a total of 2 rules in 19 ms. Remains 94 /95 variables (removed 1) and now considering 260/262 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 94/95 places, 260/262 transitions.
RANDOM walk for 40000 steps (2409 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (630 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1480274 steps, run timeout after 3001 ms. (steps per millisecond=493 ) properties seen :0 out of 1
Probabilistic random walk after 1480274 steps, saw 314333 distinct states, run finished after 3001 ms. (steps per millisecond=493 ) properties seen :0
[2026-05-26 10:37:49] [INFO ] Flow matrix only has 231 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1682813411233274904.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9541435868587719835.kers'
[2026-05-26 10:37:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1682813411233274904.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9541435868587719835.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 231 rows 94 cols 771 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:37:49] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9541435868587719835.kers
Total runtime 1 ms.
[2026-05-26 10:37:49] [INFO ] State equation strengthened by 38 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/39 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/93 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 231/324 variables, 93/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/324 variables, 38/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/325 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 94/94 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/39 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/93 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 231/324 variables, 93/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/324 variables, 38/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/325 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/325 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/325 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 325/325 variables, and 142 constraints, problems are : Problem set: 0 solved, 1 unsolved in 353 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 94/94 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 2 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 260/260 transitions.
Applied a total of 0 rules in 14 ms. Remains 94 /94 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 94/94 places, 260/260 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 260/260 transitions.
Applied a total of 0 rules in 14 ms. Remains 94 /94 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2026-05-26 10:37:50] [INFO ] Flow matrix only has 231 transitions (discarded 29 similar events)
[2026-05-26 10:37:50] [INFO ] Invariant cache hit.
[2026-05-26 10:37:50] [INFO ] Implicit Places using invariants in 184 ms returned []
[2026-05-26 10:37:50] [INFO ] Flow matrix only has 231 transitions (discarded 29 similar events)
[2026-05-26 10:37:50] [INFO ] Invariant cache hit.
[2026-05-26 10:37:50] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 10:37:51] [INFO ] Implicit Places using invariants and state equation in 398 ms returned [92]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 587 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 93/94 places, 260/260 transitions.
Applied a total of 0 rules in 14 ms. Remains 93 /93 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 616 ms. Remains : 93/94 places, 260/260 transitions.
RANDOM walk for 40000 steps (2330 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 38899 steps (607 resets) in 51 ms. (748 steps per ms) remains 0/1 properties
Computed a total of 7 stabilizing places and 9 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 3 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 102 transition count 274
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 102 transition count 274
Applied a total of 6 rules in 11 ms. Remains 102 /105 variables (removed 3) and now considering 274/281 (removed 7) transitions.
[2026-05-26 10:37:51] [INFO ] Flow matrix only has 248 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12530227282706303990.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14996042398299158939.kers'
[2026-05-26 10:37:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12530227282706303990.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14996042398299158939.kers]
Normalized transition count is 247 out of 248 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 247 rows 102 cols 817 entries
Finished phase 1 with 94 SingleSign rule and 0 generalized
[2026-05-26 10:37:51] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14996042398299158939.kers
Total runtime 2 ms.
[2026-05-26 10:37:51] [INFO ] Implicit Places using invariants in 166 ms returned []
[2026-05-26 10:37:51] [INFO ] Flow matrix only has 248 transitions (discarded 26 similar events)
[2026-05-26 10:37:51] [INFO ] Invariant cache hit.
[2026-05-26 10:37:52] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:37:52] [INFO ] Implicit Places using invariants and state equation in 377 ms returned [100]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 546 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 101/105 places, 274/281 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 562 ms. Remains : 101/105 places, 274/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Stuttering acceptance computed with spot in 383 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-00
Product exploration explored 100000 steps with 50000 reset in 516 ms.
Product exploration explored 100000 steps with 50000 reset in 296 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Computed a total of 5 stabilizing places and 7 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 18 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 28 ms.
FORMULA FireWire-PT-01-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-01-LTLCardinality-00 finished in 1941 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 102 transition count 275
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 102 transition count 275
Applied a total of 6 rules in 5 ms. Remains 102 /105 variables (removed 3) and now considering 275/281 (removed 6) transitions.
[2026-05-26 10:37:53] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9252363311337607333.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2290849642514475549.kers'
[2026-05-26 10:37:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9252363311337607333.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2290849642514475549.kers]
Normalized transition count is 248 out of 249 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 248 rows 102 cols 819 entries
Finished phase 1 with 94 SingleSign rule and 0 generalized
[2026-05-26 10:37:53] [INFO ] Computed 8 invariants in 7 ms
Computed 8 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-2290849642514475549.kers
Total runtime 9 ms.
[2026-05-26 10:37:53] [INFO ] Implicit Places using invariants in 112 ms returned []
[2026-05-26 10:37:53] [INFO ] Flow matrix only has 249 transitions (discarded 26 similar events)
[2026-05-26 10:37:53] [INFO ] Invariant cache hit.
[2026-05-26 10:37:53] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-26 10:37:53] [INFO ] Implicit Places using invariants and state equation in 278 ms returned [100]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 394 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 101/105 places, 275/281 transitions.
Applied a total of 0 rules in 3 ms. Remains 101 /101 variables (removed 0) and now considering 275/275 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 402 ms. Remains : 101/105 places, 275/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 103 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 413 ms.
Product exploration explored 100000 steps with 0 reset in 304 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Computed a total of 5 stabilizing places and 7 stable transitions
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 12201 steps (692 resets) in 107 ms. (112 steps per ms) remains 0/1 properties
Negative knowledge disproves property using: (G p0)
Knowledge based reduction with 3 factoid took 50 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 189 ms.
FORMULA FireWire-PT-01-LTLCardinality-01 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property FireWire-PT-01-LTLCardinality-01 finished in 1448 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||(G((X(p2)&&p1))&&X(G(p3)))))))'
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 105 transition count 280
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 104 transition count 280
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 104 transition count 279
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 103 transition count 279
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 8 place count 99 transition count 270
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 99 transition count 270
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 98 transition count 268
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 98 transition count 268
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 95 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 26 place count 95 transition count 269
Applied a total of 26 rules in 35 ms. Remains 95 /105 variables (removed 10) and now considering 269/281 (removed 12) transitions.
[2026-05-26 10:37:55] [INFO ] Flow matrix only has 236 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9606508002587967896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1460454394250061333.kers'
[2026-05-26 10:37:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9606508002587967896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1460454394250061333.kers]
Normalized transition count is 235 out of 236 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 235 rows 95 cols 781 entries
Finished phase 1 with 87 SingleSign rule and 0 generalized
[2026-05-26 10:37:55] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1460454394250061333.kers
Total runtime 2 ms.
[2026-05-26 10:37:55] [INFO ] Implicit Places using invariants in 120 ms returned []
[2026-05-26 10:37:55] [INFO ] Flow matrix only has 236 transitions (discarded 33 similar events)
[2026-05-26 10:37:55] [INFO ] Invariant cache hit.
[2026-05-26 10:37:55] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 10:37:55] [INFO ] Implicit Places using invariants and state equation in 293 ms returned [93]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 415 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 94/105 places, 269/281 transitions.
Applied a total of 0 rules in 10 ms. Remains 94 /94 variables (removed 0) and now considering 269/269 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 460 ms. Remains : 94/105 places, 269/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||(G((X(p2)&&p1))&&X(G(p3)))))))'
Stuttering acceptance computed with spot in 347 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) p2), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLCardinality-02 finished in 876 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G((F(!p2)&&p1))))'
Support contains 7 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 105 transition count 280
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 104 transition count 280
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 6 place count 100 transition count 271
Iterating global reduction 2 with 4 rules applied. Total rules applied 10 place count 100 transition count 271
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 99 transition count 269
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 99 transition count 269
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 16 place count 97 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 20 place count 97 transition count 270
Applied a total of 20 rules in 36 ms. Remains 97 /105 variables (removed 8) and now considering 270/281 (removed 11) transitions.
[2026-05-26 10:37:55] [INFO ] Flow matrix only has 240 transitions (discarded 30 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10332030028452374547.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4715905000741637593.kers'
[2026-05-26 10:37:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10332030028452374547.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4715905000741637593.kers]
Normalized transition count is 239 out of 240 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 239 rows 97 cols 791 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-26 10:37:55] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4715905000741637593.kers
Total runtime 2 ms.
[2026-05-26 10:37:56] [INFO ] Implicit Places using invariants in 124 ms returned []
[2026-05-26 10:37:56] [INFO ] Flow matrix only has 240 transitions (discarded 30 similar events)
[2026-05-26 10:37:56] [INFO ] Invariant cache hit.
[2026-05-26 10:37:56] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-26 10:37:56] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 447 ms to find 0 implicit places.
[2026-05-26 10:37:56] [INFO ] Redundant transitions in 30 ms returned []
Running 269 sub problems to find dead transitions.
[2026-05-26 10:37:56] [INFO ] Flow matrix only has 240 transitions (discarded 30 similar events)
[2026-05-26 10:37:56] [INFO ] Invariant cache hit.
[2026-05-26 10:37:56] [INFO ] State equation strengthened by 39 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/97 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 239/336 variables, 97/112 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 38/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (OVERLAPS) 1/337 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/337 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (OVERLAPS) 0/337 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 269 unsolved
No progress, stopping.
After SMT solving in domain Real declared 337/337 variables, and 151 constraints, problems are : Problem set: 0 solved, 269 unsolved in 27281 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 97/97 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 269 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (OVERLAPS) 1/97 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 239/336 variables, 97/112 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 38/150 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 269/419 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (OVERLAPS) 1/337 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 337/337 variables, and 420 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 97/97 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57530ms problems are : Problem set: 0 solved, 269 unsolved
Search for dead transitions found 0 dead transitions in 57538ms
Starting structural reductions in SI_LTL mode, iteration 1 : 97/105 places, 270/281 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58067 ms. Remains : 97/105 places, 270/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G((F(!p2)&&p1))))'
Stuttering acceptance computed with spot in 208 ms :[(OR (NOT p1) p2), true, p2, (OR (NOT p1) p2)]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-01-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLCardinality-05 finished in 58325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(p0) U ((!p1&&X(p0))||X(G(p0))))))))'
Support contains 4 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 102 transition count 274
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 102 transition count 274
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 101 transition count 272
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 101 transition count 272
Applied a total of 8 rules in 10 ms. Remains 101 /105 variables (removed 4) and now considering 272/281 (removed 9) transitions.
[2026-05-26 10:38:54] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8136924396358587729.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6966579748742911300.kers'
[2026-05-26 10:38:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8136924396358587729.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6966579748742911300.kers]
Normalized transition count is 245 out of 246 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 245 rows 101 cols 809 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-26 10:38:54] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6966579748742911300.kers
Total runtime 2 ms.
[2026-05-26 10:38:54] [INFO ] Implicit Places using invariants in 172 ms returned []
[2026-05-26 10:38:54] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
[2026-05-26 10:38:54] [INFO ] Invariant cache hit.
[2026-05-26 10:38:54] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:38:54] [INFO ] Implicit Places using invariants and state equation in 342 ms returned [99]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 529 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 100/105 places, 272/281 transitions.
Applied a total of 0 rules in 13 ms. Remains 100 /100 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 552 ms. Remains : 100/105 places, 272/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(p0) U (X(G(p0))||(!p1&&X(p0))))))))'
Stuttering acceptance computed with spot in 292 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 69 steps with 13 reset in 1 ms.
FORMULA FireWire-PT-01-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLCardinality-07 finished in 898 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)||G((p1&&X(p2)))))'
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 101 transition count 272
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 101 transition count 272
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 100 transition count 270
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 100 transition count 270
Applied a total of 10 rules in 7 ms. Remains 100 /105 variables (removed 5) and now considering 270/281 (removed 11) transitions.
[2026-05-26 10:38:55] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3705345881332362828.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17802793588624627623.kers'
[2026-05-26 10:38:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3705345881332362828.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17802793588624627623.kers]
Normalized transition count is 243 out of 244 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 243 rows 100 cols 801 entries
Finished phase 1 with 92 SingleSign rule and 0 generalized
[2026-05-26 10:38:55] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17802793588624627623.kers
Total runtime 1 ms.
[2026-05-26 10:38:55] [INFO ] Implicit Places using invariants in 147 ms returned []
[2026-05-26 10:38:55] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:38:55] [INFO ] Invariant cache hit.
[2026-05-26 10:38:55] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:38:55] [INFO ] Implicit Places using invariants and state equation in 337 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 490 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 99/105 places, 270/281 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 500 ms. Remains : 99/105 places, 270/281 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)||G((p1&&X(p2)))))'
Stuttering acceptance computed with spot in 243 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0)]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 63 steps with 3 reset in 0 ms.
FORMULA FireWire-PT-01-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLCardinality-09 finished in 788 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((X(G(!p1)) U (p0&&X(G(!p1))))))))'
Support contains 3 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 101 transition count 272
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 101 transition count 272
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 100 transition count 270
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 100 transition count 270
Applied a total of 10 rules in 4 ms. Remains 100 /105 variables (removed 5) and now considering 270/281 (removed 11) transitions.
[2026-05-26 10:38:55] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:38:55] [INFO ] Invariant cache hit.
[2026-05-26 10:38:56] [INFO ] Implicit Places using invariants in 160 ms returned []
[2026-05-26 10:38:56] [INFO ] Flow matrix only has 244 transitions (discarded 26 similar events)
[2026-05-26 10:38:56] [INFO ] Invariant cache hit.
[2026-05-26 10:38:56] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:38:56] [INFO ] Implicit Places using invariants and state equation in 327 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 490 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 99/105 places, 270/281 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 497 ms. Remains : 99/105 places, 270/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((X(G(!p1)) U (p0&&X(G(!p1))))))))'
Stuttering acceptance computed with spot in 241 ms :[(NOT p0), (NOT p0), (OR (NOT p0) p1), p1, true]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-11
Product exploration explored 100000 steps with 50000 reset in 267 ms.
Product exploration explored 100000 steps with 50000 reset in 183 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Computed a total of 5 stabilizing places and 7 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 17 ms. Proved property starting from automaton with 5 states, 7 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 21 ms.
FORMULA FireWire-PT-01-LTLCardinality-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-01-LTLCardinality-11 finished in 1253 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 3 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 104 transition count 279
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 103 transition count 279
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 103 transition count 278
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 102 transition count 278
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 8 place count 98 transition count 269
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 98 transition count 269
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 97 transition count 267
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 97 transition count 267
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 94 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 26 place count 94 transition count 268
Applied a total of 26 rules in 25 ms. Remains 94 /105 variables (removed 11) and now considering 268/281 (removed 13) transitions.
[2026-05-26 10:38:57] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11449808813171020337.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3798082877209762558.kers'
[2026-05-26 10:38:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11449808813171020337.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3798082877209762558.kers]
Normalized transition count is 234 out of 235 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 234 rows 90 cols 754 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:38:57] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3798082877209762558.kers
Total runtime 1 ms.
[2026-05-26 10:38:57] [INFO ] Implicit Places using invariants in 121 ms returned []
[2026-05-26 10:38:57] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:38:57] [INFO ] Invariant cache hit.
[2026-05-26 10:38:57] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:38:57] [INFO ] Implicit Places using invariants and state equation in 275 ms returned [92]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 399 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 93/105 places, 268/281 transitions.
Applied a total of 0 rules in 12 ms. Remains 93 /93 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 437 ms. Remains : 93/105 places, 268/281 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 50 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 141 ms.
Product exploration explored 100000 steps with 0 reset in 533 ms.
Computed a total of 2 stabilizing places and 5 stable transitions
Computed a total of 2 stabilizing places and 5 stable transitions
Knowledge based reduction with 2 factoid took 101 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 25 steps (0 resets) in 4 ms. (5 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 113 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 278 ms.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Support contains 3 out of 93 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 93/93 places, 268/268 transitions.
Applied a total of 0 rules in 24 ms. Remains 93 /93 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2026-05-26 10:38:58] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11876772389868055256.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6137695053675639989.kers'
[2026-05-26 10:38:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11876772389868055256.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6137695053675639989.kers]
Normalized transition count is 234 out of 235 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 234 rows 90 cols 754 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-26 10:38:58] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6137695053675639989.kers
Total runtime 2 ms.
[2026-05-26 10:38:58] [INFO ] Implicit Places using invariants in 214 ms returned []
[2026-05-26 10:38:58] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:38:58] [INFO ] Invariant cache hit.
[2026-05-26 10:38:59] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:38:59] [INFO ] Implicit Places using invariants and state equation in 379 ms returned []
Implicit Place search using SMT with State Equation took 613 ms to find 0 implicit places.
[2026-05-26 10:38:59] [INFO ] Redundant transitions in 7 ms returned []
Running 265 sub problems to find dead transitions.
[2026-05-26 10:38:59] [INFO ] Flow matrix only has 235 transitions (discarded 33 similar events)
[2026-05-26 10:38:59] [INFO ] Invariant cache hit.
[2026-05-26 10:38:59] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/106 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (OVERLAPS) 1/327 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/327 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (OVERLAPS) 0/327 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Real declared 327/328 variables, and 145 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (OVERLAPS) 234/326 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 37/144 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 265/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/326 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 1/327 variables, 1/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/327 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 327/328 variables, and 410 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 93/93 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 265 unsolved
Search for dead transitions found 0 dead transitions in 60178ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60841 ms. Remains : 93/93 places, 268/268 transitions.
Computed a total of 2 stabilizing places and 5 stable transitions
Computed a total of 2 stabilizing places and 5 stable transitions
Knowledge based reduction with 2 factoid took 98 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 15 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 96 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 48 ms :[(NOT p0)]
Knowledge-based reduction took 253 ms.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Stuttering criterion allowed to conclude after 67 steps with 1 reset in 0 ms.
FORMULA FireWire-PT-01-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-01-LTLCardinality-12 finished in 62744 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((!p0||G(p1)) U X(X(p0)))&&F(p2)))'
Support contains 6 out of 105 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 105/105 places, 281/281 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 102 transition count 274
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 102 transition count 274
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 101 transition count 272
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 101 transition count 272
Applied a total of 8 rules in 4 ms. Remains 101 /105 variables (removed 4) and now considering 272/281 (removed 9) transitions.
[2026-05-26 10:39:59] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4666493895707991483.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6828565354684841906.kers'
[2026-05-26 10:39:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4666493895707991483.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6828565354684841906.kers]
Normalized transition count is 245 out of 246 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 245 rows 101 cols 805 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-26 10:39:59] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6828565354684841906.kers
Total runtime 3 ms.
[2026-05-26 10:40:00] [INFO ] Implicit Places using invariants in 146 ms returned []
[2026-05-26 10:40:00] [INFO ] Flow matrix only has 246 transitions (discarded 26 similar events)
[2026-05-26 10:40:00] [INFO ] Invariant cache hit.
[2026-05-26 10:40:00] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-26 10:40:00] [INFO ] Implicit Places using invariants and state equation in 265 ms returned [99]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 413 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 100/105 places, 272/281 transitions.
Applied a total of 0 rules in 1 ms. Remains 100 /100 variables (removed 0) and now considering 272/272 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 419 ms. Remains : 100/105 places, 272/281 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((!p0||G(p1)) U X(X(p0)))&&F(p2)))'
Stuttering acceptance computed with spot in 566 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FireWire-PT-01-LTLCardinality-15
Product exploration explored 100000 steps with 33333 reset in 256 ms.
Product exploration explored 100000 steps with 33333 reset in 201 ms.
Computed a total of 6 stabilizing places and 9 stable transitions
Computed a total of 6 stabilizing places and 9 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 12 factoid took 12 ms. Proved property starting from automaton with 12 states, 21 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 16 ms.
FORMULA FireWire-PT-01-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-01-LTLCardinality-15 finished in 1505 ms.
All properties solved by simple procedures.
Total runtime 204552 ms.
BK_STOP 1779792001422
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-01"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FireWire-PT-01, examination is LTLCardinality"
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-177955808900147"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-01.tgz
mv FireWire-PT-01 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;