fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946842100583
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BusinessProcesses-PT-17

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
846.476 112685.00 257715.00 464.20 FFFFTFFFTTTTTFTT 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.r034-tall-177946842100583.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 BusinessProcesses-PT-17, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946842100583
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 7.0K Mar 5 17:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 5 17:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 5 17:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 17:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Mar 5 17:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 5 17:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 17:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 5 17:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:48 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 161K 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 BusinessProcesses-PT-17-ReachabilityFireability-2024-00
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-01
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-02
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-03
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-04
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-05
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-06
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-07
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-08
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-09
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-10
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-11
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-12
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-13
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-14
FORMULA_NAME BusinessProcesses-PT-17-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779625894385

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BusinessProcesses-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 12:31:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 12:31:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:31:35] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2026-05-24 12:31:35] [INFO ] Transformed 650 places.
[2026-05-24 12:31:35] [INFO ] Transformed 580 transitions.
[2026-05-24 12:31:35] [INFO ] Found NUPN structural information;
[2026-05-24 12:31:35] [INFO ] Parsed PT model containing 650 places and 580 transitions and 1709 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 4 places in 12 ms
Reduce places removed 4 places and 4 transitions.
[2026-05-24 12:31:36] [INFO ] Flatten gal took : 150 ms
RANDOM walk for 40000 steps (261 resets) in 1827 ms. (21 steps per ms) remains 13/16 properties
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 12:31:36] [INFO ] Flatten gal took : 86 ms
[2026-05-24 12:31:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15040246644975495672.gal : 30 ms
[2026-05-24 12:31:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9349575766031758096.prop : 3 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15040246644975495672.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9349575766031758096.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (45 resets) in 549 ms. (72 steps per ms) remains 13/13 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9349575766031758096.prop.
BEST_FIRST walk for 40002 steps (44 resets) in 603 ms. (66 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 19
BEST_FIRST walk for 40003 steps (46 resets) in 462 ms. (86 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 30
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :30 after 65
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :65 after 161
BEST_FIRST walk for 40004 steps (32 resets) in 218 ms. (182 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (43 resets) in 157 ms. (253 steps per ms) remains 12/13 properties
SDD proceeding with computation,13 properties remain. new max is 256
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD size :161 after 10780
BEST_FIRST walk for 40002 steps (32 resets) in 141 ms. (281 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (46 resets) in 174 ms. (228 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 227 ms. (175 steps per ms) remains 11/12 properties
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (36 resets) in 231 ms. (172 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (53 resets) in 134 ms. (296 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (41 resets) in 121 ms. (327 steps per ms) remains 10/11 properties
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (47 resets) in 152 ms. (261 steps per ms) remains 10/10 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16708902433404501479.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6276379411792566404.kers'
[2026-05-24 12:31:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16708902433404501479.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6276379411792566404.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 576 rows 646 cols 1701 entries
Finished phase 1 with 458 SingleSign rule and 80 generalized
[2026-05-24 12:31:37] [INFO ] Computed 108 invariants in 3 ms
Computed 108 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-6276379411792566404.kers
Total runtime 9 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 167/167 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 358/525 variables, 82/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/525 variables, 358/607 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/525 variables, 2/609 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/525 variables, 0/609 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 14/539 variables, 4/613 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/539 variables, 14/627 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/539 variables, 0/627 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 107/646 variables, 20/647 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 107/754 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/754 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem BusinessProcesses-PT-17-ReachabilityFireability-2024-01 is UNSAT
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 576/1222 variables, 646/1400 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1222/1222 variables, and 1400 constraints, problems are : Problem set: 1 solved, 9 unsolved in 5037 ms.
Refiners :[Domain max(s): 646/646 constraints, Positive P Invariants (semi-flows): 86/86 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 646/646 constraints, PredecessorRefiner: 10/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 155/155 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 367/522 variables, 82/237 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/522 variables, 367/604 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/522 variables, 2/606 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 15/621 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 0/621 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 14/536 variables, 4/625 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 14/639 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 2/641 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/536 variables, 0/641 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 110/646 variables, 20/661 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/646 variables, 110/771 constraints. Problems are: Problem set: 1 solved, 9 unsolved
SMT process timed out in 10265ms, After SMT, problems are : Problem set: 1 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 155 out of 646 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 646/646 places, 576/576 transitions.
Graph (complete) has 1312 edges and 646 vertex of which 642 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.6 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 0 with 43 rules applied. Total rules applied 44 place count 642 transition count 532
Reduce places removed 43 places and 0 transitions.
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Iterating post reduction 1 with 62 rules applied. Total rules applied 106 place count 599 transition count 513
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 125 place count 580 transition count 513
Performed 94 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 94 Pre rules applied. Total rules applied 125 place count 580 transition count 419
Deduced a syphon composed of 94 places in 4 ms
Ensure Unique test removed 10 places
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 3 with 198 rules applied. Total rules applied 323 place count 476 transition count 419
Discarding 52 places :
Symmetric choice reduction at 3 with 52 rule applications. Total rules 375 place count 424 transition count 367
Iterating global reduction 3 with 52 rules applied. Total rules applied 427 place count 424 transition count 367
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 427 place count 424 transition count 363
Deduced a syphon composed of 4 places in 2 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 437 place count 418 transition count 363
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 533 place count 370 transition count 315
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 534 place count 370 transition count 314
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 535 place count 370 transition count 314
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 536 place count 369 transition count 313
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 537 place count 368 transition count 313
Applied a total of 537 rules in 207 ms. Remains 368 /646 variables (removed 278) and now considering 313/576 (removed 263) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 368/646 places, 313/576 transitions.
RANDOM walk for 40000 steps (554 resets) in 495 ms. (80 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (117 resets) in 223 ms. (178 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (115 resets) in 296 ms. (134 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (77 resets) in 140 ms. (283 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (113 resets) in 89 ms. (444 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (77 resets) in 86 ms. (459 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (115 resets) in 177 ms. (224 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (79 resets) in 170 ms. (233 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (135 resets) in 155 ms. (256 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (122 resets) in 87 ms. (454 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 799930 steps, run timeout after 3001 ms. (steps per millisecond=266 ) properties seen :7 out of 9
Probabilistic random walk after 799930 steps, saw 119769 distinct states, run finished after 3009 ms. (steps per millisecond=265 ) properties seen :7
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1121034451825348500.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5825600793579422475.kers'
[2026-05-24 12:31:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1121034451825348500.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5825600793579422475.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 313 rows 367 cols 1139 entries
Finished phase 1 with 205 SingleSign rule and 71 generalized
[2026-05-24 12:31:51] [INFO ] Computed 92 invariants in 2 ms
Computed 92 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5825600793579422475.kers
Total runtime 3 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 207/279 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/279 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 14/293 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 69/362 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/362 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/364 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 313/677 variables, 364/455 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/677 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 4/681 variables, 4/459 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/681 variables, 1/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/681 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/681 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 681/681 variables, and 460 constraints, problems are : Problem set: 0 solved, 2 unsolved in 967 ms.
Refiners :[Positive P Invariants (semi-flows): 69/69 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 368/368 constraints, PredecessorRefiner: 2/0 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) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 207/279 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/279 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/279 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 14/293 variables, 5/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/293 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 69/362 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/362 variables, 20/113 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/362 variables, 10/123 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/362 variables, 2/125 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/362 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/362 variables, 18/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/362 variables, 7/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/362 variables, 5/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/362 variables, 5/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/362 variables, 5/166 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/362 variables, 3/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/362 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 2/364 variables, 2/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/364 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 313/677 variables, 364/535 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/677 variables, 4/539 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/677 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 4/681 variables, 4/543 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/681 variables, 1/544 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/681 variables, 0/544 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 0/681 variables, 0/544 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 681/681 variables, and 544 constraints, problems are : Problem set: 0 solved, 2 unsolved in 11779 ms.
Refiners :[Positive P Invariants (semi-flows): 69/69 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 368/368 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 80/80 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 12768ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 277 ms.
Support contains 72 out of 368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 368/368 places, 313/313 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 368 transition count 307
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 13 place count 362 transition count 306
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 361 transition count 306
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 14 place count 361 transition count 285
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 45 rules applied. Total rules applied 59 place count 337 transition count 285
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 73 place count 323 transition count 271
Iterating global reduction 3 with 14 rules applied. Total rules applied 87 place count 323 transition count 271
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 3 with 97 rules applied. Total rules applied 184 place count 273 transition count 224
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 187 place count 273 transition count 224
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 189 place count 271 transition count 222
Applied a total of 189 rules in 63 ms. Remains 271 /368 variables (removed 97) and now considering 222/313 (removed 91) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 271/368 places, 222/313 transitions.
RANDOM walk for 40000 steps (1212 resets) in 202 ms. (197 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (245 resets) in 128 ms. (310 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (189 resets) in 199 ms. (200 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1174059 steps, run timeout after 3001 ms. (steps per millisecond=391 ) properties seen :1 out of 2
Probabilistic random walk after 1174059 steps, saw 182701 distinct states, run finished after 3001 ms. (steps per millisecond=391 ) properties seen :1
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6541280492885246418.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10152990209684481354.kers'
[2026-05-24 12:32:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6541280492885246418.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10152990209684481354.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 222 rows 267 cols 944 entries
Finished phase 1 with 144 SingleSign rule and 41 generalized
[2026-05-24 12:32:07] [INFO ] Computed 86 invariants in 3 ms
Computed 86 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10152990209684481354.kers
Total runtime 4 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 162/205 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/205 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/205 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/208 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 53/261 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/263 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/265 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 222/487 variables, 265/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/487 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/493 variables, 6/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/493 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/493 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/493 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 493/493 variables, and 357 constraints, problems are : Problem set: 0 solved, 1 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 66/66 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 1/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 162/205 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/205 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/205 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/208 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/261 variables, 17/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/263 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/263 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/263 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/265 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 222/487 variables, 265/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/487 variables, 1/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/487 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/493 variables, 6/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/493 variables, 2/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/493 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/493 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 493/493 variables, and 360 constraints, problems are : Problem set: 0 solved, 1 unsolved in 497 ms.
Refiners :[Positive P Invariants (semi-flows): 66/66 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 271/271 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 853ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 43 out of 271 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 271/271 places, 222/222 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 271 transition count 218
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 267 transition count 218
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 8 place count 267 transition count 205
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 34 place count 254 transition count 205
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 251 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 251 transition count 202
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 66 place count 238 transition count 189
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -4
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 68 place count 237 transition count 193
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 69 place count 237 transition count 192
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 236 transition count 192
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 72 place count 236 transition count 192
Applied a total of 72 rules in 45 ms. Remains 236 /271 variables (removed 35) and now considering 192/222 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 236/271 places, 192/222 transitions.
RANDOM walk for 40000 steps (1536 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (308 resets) in 339 ms. (117 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1396009 steps, run timeout after 3001 ms. (steps per millisecond=465 ) properties seen :0 out of 1
Probabilistic random walk after 1396009 steps, saw 221590 distinct states, run finished after 3001 ms. (steps per millisecond=465 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4684167362503130015.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6945428033617639668.kers'
[2026-05-24 12:32:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4684167362503130015.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6945428033617639668.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 192 rows 232 cols 914 entries
Finished phase 1 with 123 SingleSign rule and 27 generalized
[2026-05-24 12:32:11] [INFO ] Computed 86 invariants in 1 ms
Computed 86 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6945428033617639668.kers
Total runtime 2 ms.
[2026-05-24 12:32:11] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 138/181 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/181 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/184 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 42/226 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/226 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/228 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/228 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/230 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 192/422 variables, 230/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/422 variables, 4/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/422 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/428 variables, 6/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/428 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/428 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/428 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 428/428 variables, and 326 constraints, problems are : Problem set: 0 solved, 1 unsolved in 241 ms.
Refiners :[Positive P Invariants (semi-flows): 66/66 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 236/236 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 138/181 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/181 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/184 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/226 variables, 17/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/226 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/228 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/228 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/230 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 192/422 variables, 230/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/422 variables, 4/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/422 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/422 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/428 variables, 6/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/428 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/428 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/428 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 428/428 variables, and 328 constraints, problems are : Problem set: 0 solved, 1 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 66/66 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 236/236 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 696ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 43 out of 236 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 236/236 places, 192/192 transitions.
Applied a total of 0 rules in 8 ms. Remains 236 /236 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 236/236 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 236/236 places, 192/192 transitions.
Applied a total of 0 rules in 7 ms. Remains 236 /236 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2026-05-24 12:32:12] [INFO ] Invariant cache hit.
[2026-05-24 12:32:13] [INFO ] Implicit Places using invariants in 517 ms returned [33, 35, 37, 39, 41, 43, 45, 47, 49, 70, 71, 72, 79, 86, 201, 205, 207]
[2026-05-24 12:32:13] [INFO ] Actually due to overlaps returned [33, 39, 43, 47, 70, 79, 86, 201, 205, 207]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 528 ms to find 10 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 226/236 places, 192/192 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 221 transition count 181
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 221 transition count 181
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 220 transition count 177
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 220 transition count 177
Applied a total of 12 rules in 16 ms. Remains 220 /226 variables (removed 6) and now considering 177/192 (removed 15) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7094995938236377206.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13570048793292522961.kers'
[2026-05-24 12:32:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7094995938236377206.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13570048793292522961.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 177 rows 218 cols 804 entries
Finished phase 1 with 91 SingleSign rule and 53 generalized
[2026-05-24 12:32:13] [INFO ] Computed 76 invariants in 1 ms
Computed 76 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13570048793292522961.kers
Total runtime 1 ms.
[2026-05-24 12:32:13] [INFO ] Implicit Places using invariants in 285 ms returned [34, 36, 60, 61]
[2026-05-24 12:32:13] [INFO ] Actually due to overlaps returned [34, 60]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 304 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 218/236 places, 177/192 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 215 transition count 171
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 215 transition count 171
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 214 transition count 167
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 214 transition count 167
Applied a total of 8 rules in 24 ms. Remains 214 /218 variables (removed 4) and now considering 167/177 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7016990549891636332.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1059760702294516731.kers'
[2026-05-24 12:32:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7016990549891636332.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1059760702294516731.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 167 rows 212 cols 740 entries
Finished phase 1 with 92 SingleSign rule and 48 generalized
[2026-05-24 12:32:13] [INFO ] Computed 74 invariants in 1 ms
Computed 74 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1059760702294516731.kers
Total runtime 1 ms.
[2026-05-24 12:32:13] [INFO ] Implicit Places using invariants in 179 ms returned []
[2026-05-24 12:32:13] [INFO ] Invariant cache hit.
[2026-05-24 12:32:13] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-24 12:32:14] [INFO ] Implicit Places using invariants and state equation in 358 ms returned [62, 66, 140, 144, 145]
Discarding 5 places :
Implicit Place search using SMT with State Equation took 544 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 209/236 places, 167/192 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 209 transition count 166
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 208 transition count 166
Applied a total of 2 rules in 9 ms. Remains 208 /209 variables (removed 1) and now considering 166/167 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18166734788854107068.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17698156252500160921.kers'
[2026-05-24 12:32:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18166734788854107068.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17698156252500160921.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 166 rows 208 cols 731 entries
Finished phase 1 with 107 SingleSign rule and 32 generalized
[2026-05-24 12:32:14] [INFO ] Computed 69 invariants in 1 ms
Computed 69 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17698156252500160921.kers
Total runtime 1 ms.
[2026-05-24 12:32:14] [INFO ] Implicit Places using invariants in 226 ms returned []
[2026-05-24 12:32:14] [INFO ] Invariant cache hit.
[2026-05-24 12:32:14] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-24 12:32:14] [INFO ] Implicit Places using invariants and state equation in 391 ms returned []
Implicit Place search using SMT with State Equation took 620 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 208/236 places, 166/192 transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 2062 ms. Remains : 208/236 places, 166/192 transitions.
RANDOM walk for 40000 steps (1533 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (314 resets) in 235 ms. (169 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1491867 steps, run timeout after 3001 ms. (steps per millisecond=497 ) properties seen :0 out of 1
Probabilistic random walk after 1491867 steps, saw 234730 distinct states, run finished after 3001 ms. (steps per millisecond=497 ) properties seen :0
[2026-05-24 12:32:17] [INFO ] Invariant cache hit.
[2026-05-24 12:32:17] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 120/163 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/165 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/199 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/203 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 166/369 variables, 203/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/369 variables, 4/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/369 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/374 variables, 5/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/374 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/374 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 374/374 variables, and 281 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 208/208 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 120/163 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/165 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 34/199 variables, 9/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 20/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 16/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/199 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/203 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 166/369 variables, 203/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/369 variables, 4/314 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/369 variables, 4/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/369 variables, 2/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/369 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/369 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 5/374 variables, 5/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/374 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/374 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 374/374 variables, and 327 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4138 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 208/208 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 4343ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 43 out of 208 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 166/166 transitions.
Applied a total of 0 rules in 10 ms. Remains 208 /208 variables (removed 0) and now considering 166/166 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 208/208 places, 166/166 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 208/208 places, 166/166 transitions.
Applied a total of 0 rules in 18 ms. Remains 208 /208 variables (removed 0) and now considering 166/166 (removed 0) transitions.
[2026-05-24 12:32:22] [INFO ] Invariant cache hit.
[2026-05-24 12:32:22] [INFO ] Implicit Places using invariants in 423 ms returned []
[2026-05-24 12:32:22] [INFO ] Invariant cache hit.
[2026-05-24 12:32:22] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-24 12:32:23] [INFO ] Implicit Places using invariants and state equation in 412 ms returned []
Implicit Place search using SMT with State Equation took 851 ms to find 0 implicit places.
[2026-05-24 12:32:23] [INFO ] Redundant transitions in 4 ms returned []
Running 163 sub problems to find dead transitions.
[2026-05-24 12:32:23] [INFO ] Invariant cache hit.
[2026-05-24 12:32:23] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/205 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 2 (OVERLAPS) 2/207 variables, 56/64 constraints. Problems are: Problem set: 0 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/207 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 163 unsolved
Problem TDEAD54 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD118 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 20/86 constraints. Problems are: Problem set: 4 solved, 159 unsolved
Problem TDEAD55 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD119 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 13/99 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/207 variables, 0/99 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 7 (OVERLAPS) 1/208 variables, 3/102 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 20/122 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 20/142 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 20/162 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 20/182 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 20/202 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 20/222 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/208 variables, 20/242 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/208 variables, 20/262 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/208 variables, 20/282 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/208 variables, 20/302 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/208 variables, 20/322 constraints. Problems are: Problem set: 8 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 208/374 variables, and 322 constraints, problems are : Problem set: 8 solved, 155 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 0/208 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 163/163 constraints, Known Traps: 253/253 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 155 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 8/8 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/205 variables, 0/8 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 2 (OVERLAPS) 2/207 variables, 56/64 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/207 variables, 2/66 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 36/102 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/207 variables, 0/102 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 1/208 variables, 3/105 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 217/322 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 20/342 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 20/362 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 20/382 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 20/402 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 20/422 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 20/442 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/208 variables, 20/462 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/208 variables, 20/482 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/208 variables, 20/502 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/208 variables, 20/522 constraints. Problems are: Problem set: 8 solved, 155 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/208 variables, 20/542 constraints. Problems are: Problem set: 8 solved, 155 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 208/374 variables, and 561 constraints, problems are : Problem set: 8 solved, 155 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 0/208 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 0/163 constraints, Known Traps: 492/492 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60103ms problems are : Problem set: 8 solved, 155 unsolved
Search for dead transitions found 8 dead transitions in 60110ms
Found 8 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 8 transitions
Dead transitions reduction (with SMT) removed 8 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 208/208 places, 158/166 transitions.
Applied a total of 0 rules in 14 ms. Remains 208 /208 variables (removed 0) and now considering 158/158 (removed 0) transitions.
[2026-05-24 12:33:23] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 61041 ms. Remains : 208/208 places, 158/166 transitions.
RANDOM walk for 40000 steps (1512 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (321 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1700759 steps, run timeout after 3001 ms. (steps per millisecond=566 ) properties seen :0 out of 1
Probabilistic random walk after 1700759 steps, saw 266169 distinct states, run finished after 3001 ms. (steps per millisecond=566 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13333623021083145517.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9407424815464302090.kers'
[2026-05-24 12:33:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13333623021083145517.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9407424815464302090.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 158 rows 208 cols 683 entries
Finished phase 1 with 105 SingleSign rule and 32 generalized
[2026-05-24 12:33:26] [INFO ] Computed 71 invariants in 2 ms
Computed 71 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9407424815464302090.kers
Total runtime 3 ms.
[2026-05-24 12:33:26] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 120/163 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/165 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/201 variables, 13/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/203 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 158/361 variables, 203/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 4/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/366 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/366 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/366 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 283 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 208/208 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 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) 0/43 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 120/163 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/165 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 36/201 variables, 13/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/203 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/203 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 158/361 variables, 203/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 4/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/361 variables, 2/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/361 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/366 variables, 5/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/366 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/366 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 366/366 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 56/56 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 208/208 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 651ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 5518 steps, including 209 resets, run visited all 1 properties in 16 ms. (steps per millisecond=344 )
FORMULA BusinessProcesses-PT-17-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 20 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 111580 ms.

BK_STOP 1779626007070

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="BusinessProcesses-PT-17"
export BK_EXAMINATION="ReachabilityFireability"
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 BusinessProcesses-PT-17, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946842100583"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BusinessProcesses-PT-17.tgz
mv BusinessProcesses-PT-17 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;