fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946842100591
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BusinessProcesses-PT-18

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
821.720 171093.00 378245.00 264.80 TFTTFFTTFTTTFFFF 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-177946842100591.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-18, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946842100591
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 8.9K Mar 5 17:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 5 17:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 5 17:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K 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 3.9K Mar 15 07:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 17:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Mar 5 17:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 5 17:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K 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 177K 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-18-ReachabilityFireability-2024-00
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-01
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-02
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-03
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-04
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-05
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-06
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-07
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-08
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-09
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-10
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-11
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-12
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-13
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-14
FORMULA_NAME BusinessProcesses-PT-18-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779627862845

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-18
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 13:04:24] [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 13:04:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:04:24] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2026-05-24 13:04:24] [INFO ] Transformed 717 places.
[2026-05-24 13:04:24] [INFO ] Transformed 642 transitions.
[2026-05-24 13:04:24] [INFO ] Found NUPN structural information;
[2026-05-24 13:04:24] [INFO ] Parsed PT model containing 717 places and 642 transitions and 1860 arcs in 203 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 15 places in 13 ms
Reduce places removed 15 places and 15 transitions.
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (213 resets) in 1390 ms. (28 steps per ms) remains 7/15 properties
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 13:04:24] [INFO ] Flatten gal took : 150 ms
BEST_FIRST walk for 40003 steps (36 resets) in 309 ms. (129 steps per ms) remains 7/7 properties
[2026-05-24 13:04:24] [INFO ] Flatten gal took : 92 ms
BEST_FIRST walk for 40004 steps (33 resets) in 254 ms. (156 steps per ms) remains 7/7 properties
[2026-05-24 13:04:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality148646256174708394.gal : 53 ms
[2026-05-24 13:04:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2848380113253112102.prop : 7 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/ReachabilityCardinality148646256174708394.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2848380113253112102.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...327
BEST_FIRST walk for 40004 steps (36 resets) in 573 ms. (69 steps per ms) remains 7/7 properties
Loading property file /tmp/ReachabilityCardinality2848380113253112102.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :36 after 92
BEST_FIRST walk for 40002 steps (42 resets) in 1052 ms. (37 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (35 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :92 after 181
BEST_FIRST walk for 40003 steps (39 resets) in 138 ms. (287 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :181 after 5.89807e+13
BEST_FIRST walk for 40004 steps (43 resets) in 255 ms. (156 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-853635474747801179.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-445922153574634467.kers'
[2026-05-24 13:04:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-853635474747801179.kers, --Pflows, --basisKERS=/tmp/petrispot-output-445922153574634467.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 627 rows 702 cols 1830 entries
Finished phase 1 with 503 SingleSign rule and 85 generalized
[2026-05-24 13:04:25] [INFO ] Computed 114 invariants in 4 ms
Computed 114 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-445922153574634467.kers
Total runtime 6 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 142/142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/142 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem BusinessProcesses-PT-18-ReachabilityFireability-2024-12 is UNSAT
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 446/588 variables, 97/239 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 446/685 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 1/686 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/588 variables, 0/686 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 11/599 variables, 4/690 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/599 variables, 11/701 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/599 variables, 0/701 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem BusinessProcesses-PT-18-ReachabilityFireability-2024-08 is UNSAT
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 103/702 variables, 12/713 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/702 variables, 103/816 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/702 variables, 0/816 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem BusinessProcesses-PT-18-ReachabilityFireability-2024-01 is UNSAT
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 627/1329 variables, 702/1518 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1329 variables, 0/1518 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1329/1329 variables, and 1518 constraints, problems are : Problem set: 3 solved, 4 unsolved in 5040 ms.
Refiners :[Domain max(s): 702/702 constraints, Positive P Invariants (semi-flows): 101/101 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 702/702 constraints, PredecessorRefiner: 7/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 91/91 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/91 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 478/569 variables, 96/187 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/569 variables, 478/665 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/569 variables, 18/683 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/569 variables, 2/685 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/569 variables, 3/688 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/569 variables, 0/688 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 16/585 variables, 5/693 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/585 variables, 16/709 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/585 variables, 3/712 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/585 variables, 1/713 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/585 variables, 0/713 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 117/702 variables, 13/726 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/702 variables, 117/843 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 702/1329 variables, and 845 constraints, problems are : Problem set: 3 solved, 4 unsolved in 5015 ms.
Refiners :[Domain max(s): 702/702 constraints, Positive P Invariants (semi-flows): 101/101 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 0/702 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10165ms problems are : Problem set: 3 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 91 out of 702 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 702/702 places, 627/627 transitions.
Graph (complete) has 1418 edges and 702 vertex of which 693 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 81 transitions
Trivial Post-agglo rules discarded 81 transitions
Performed 81 trivial Post agglomeration. Transition count delta: 81
Iterating post reduction 0 with 81 rules applied. Total rules applied 82 place count 693 transition count 545
Reduce places removed 81 places and 0 transitions.
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Iterating post reduction 1 with 94 rules applied. Total rules applied 176 place count 612 transition count 532
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 189 place count 599 transition count 532
Performed 113 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 113 Pre rules applied. Total rules applied 189 place count 599 transition count 419
Deduced a syphon composed of 113 places in 3 ms
Ensure Unique test removed 14 places
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 3 with 240 rules applied. Total rules applied 429 place count 472 transition count 419
Discarding 74 places :
Symmetric choice reduction at 3 with 74 rule applications. Total rules 503 place count 398 transition count 345
Iterating global reduction 3 with 74 rules applied. Total rules applied 577 place count 398 transition count 345
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 578 place count 398 transition count 344
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 578 place count 398 transition count 337
Deduced a syphon composed of 7 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 17 rules applied. Total rules applied 595 place count 388 transition count 337
Performed 84 Post agglomeration using F-continuation condition.Transition count delta: 84
Deduced a syphon composed of 84 places in 1 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 4 with 168 rules applied. Total rules applied 763 place count 304 transition count 253
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 765 place count 303 transition count 256
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 768 place count 303 transition count 256
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 769 place count 302 transition count 255
Applied a total of 769 rules in 194 ms. Remains 302 /702 variables (removed 400) and now considering 255/627 (removed 372) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 302/702 places, 255/627 transitions.
RANDOM walk for 40000 steps (797 resets) in 780 ms. (51 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (149 resets) in 145 ms. (273 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (155 resets) in 180 ms. (221 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (178 resets) in 301 ms. (132 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (144 resets) in 186 ms. (213 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 666017 steps, run timeout after 3001 ms. (steps per millisecond=221 ) properties seen :0 out of 4
Probabilistic random walk after 666017 steps, saw 112864 distinct states, run finished after 3006 ms. (steps per millisecond=221 ) 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-4456765029071459983.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2699573685429001585.kers'
[2026-05-24 13:04:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4456765029071459983.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2699573685429001585.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 255 rows 302 cols 1051 entries
Finished phase 1 with 140 SingleSign rule and 73 generalized
[2026-05-24 13:04:39] [INFO ] Computed 89 invariants in 1 ms
Computed 89 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2699573685429001585.kers
Total runtime 2 ms.
[2026-05-24 13:04:39] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 163/254 variables, 73/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/258 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 39/297 variables, 14/89 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/297 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 255/552 variables, 297/386 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 3/389 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 5/557 variables, 5/394 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/557 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/557 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 557/557 variables, and 394 constraints, problems are : Problem set: 0 solved, 4 unsolved in 711 ms.
Refiners :[Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 302/302 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 163/254 variables, 73/73 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 7/80 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 4/258 variables, 2/85 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/258 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 39/297 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 3/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/297 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 255/552 variables, 297/400 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/552 variables, 3/403 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/552 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/552 variables, 9/414 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/552 variables, 2/416 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/552 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem BusinessProcesses-PT-18-ReachabilityFireability-2024-06 is UNSAT
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 18 (OVERLAPS) 5/557 variables, 5/421 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/557 variables, 1/422 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/557 variables, 20/442 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/557 variables, 20/462 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/557 variables, 20/482 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/557 variables, 6/488 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/557 variables, 0/488 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 0/557 variables, 0/488 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 557/557 variables, and 488 constraints, problems are : Problem set: 1 solved, 3 unsolved in 15677 ms.
Refiners :[Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 302/302 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 89/89 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 16416ms problems are : Problem set: 1 solved, 3 unsolved
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 198 ms.
Support contains 64 out of 302 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 302/302 places, 255/255 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 302 transition count 248
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 295 transition count 248
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 14 place count 295 transition count 238
Deduced a syphon composed of 10 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 23 rules applied. Total rules applied 37 place count 282 transition count 238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 41 place count 278 transition count 234
Iterating global reduction 2 with 4 rules applied. Total rules applied 45 place count 278 transition count 234
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 46 place count 277 transition count 233
Iterating global reduction 2 with 1 rules applied. Total rules applied 47 place count 277 transition count 233
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 81 place count 260 transition count 216
Applied a total of 81 rules in 35 ms. Remains 260 /302 variables (removed 42) and now considering 216/255 (removed 39) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 260/302 places, 216/255 transitions.
RANDOM walk for 40000 steps (1055 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (281 resets) in 282 ms. (141 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1257536 steps, run timeout after 3001 ms. (steps per millisecond=419 ) properties seen :0 out of 1
Probabilistic random walk after 1257536 steps, saw 202143 distinct states, run finished after 3001 ms. (steps per millisecond=419 ) 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-12584704404956384347.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-422794702661573548.kers'
[2026-05-24 13:04:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12584704404956384347.kers, --Pflows, --basisKERS=/tmp/petrispot-output-422794702661573548.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 216 rows 260 cols 963 entries
Finished phase 1 with 101 SingleSign rule and 73 generalized
[2026-05-24 13:04:59] [INFO ] Computed 86 invariants in 7 ms
Computed 86 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-422794702661573548.kers
Total runtime 8 ms.
[2026-05-24 13:04:59] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/199 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/219 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/219 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/256 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/256 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 216/472 variables, 256/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/472 variables, 3/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/472 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/476 variables, 4/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/476 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/476 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 476/476 variables, and 349 constraints, problems are : Problem set: 0 solved, 1 unsolved in 344 ms.
Refiners :[Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 260/260 constraints, ReadFeed: 3/3 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) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/199 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/199 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/219 variables, 10/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 37/256 variables, 14/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/256 variables, 20/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 216/472 variables, 256/367 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/472 variables, 3/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/472 variables, 10/380 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/472 variables, 1/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/472 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/476 variables, 4/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/476 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/476 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 476/476 variables, and 385 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3518 ms.
Refiners :[Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 260/260 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3893ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 64 out of 260 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 260/260 places, 216/216 transitions.
Applied a total of 0 rules in 11 ms. Remains 260 /260 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 260/260 places, 216/216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 260/260 places, 216/216 transitions.
Applied a total of 0 rules in 7 ms. Remains 260 /260 variables (removed 0) and now considering 216/216 (removed 0) transitions.
[2026-05-24 13:05:03] [INFO ] Invariant cache hit.
[2026-05-24 13:05:03] [INFO ] Implicit Places using invariants in 187 ms returned [18, 46, 48, 50, 52, 54, 56, 58, 82, 84, 187, 225]
[2026-05-24 13:05:03] [INFO ] Actually due to overlaps returned [18, 46, 52, 56, 82, 84, 187, 225]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 200 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 252/260 places, 216/216 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 250 transition count 214
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 250 transition count 214
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 249 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 249 transition count 210
Applied a total of 6 rules in 17 ms. Remains 249 /252 variables (removed 3) and now considering 210/216 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5465921072457164073.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11282408147944212807.kers'
[2026-05-24 13:05:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5465921072457164073.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11282408147944212807.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 210 rows 249 cols 902 entries
Finished phase 1 with 120 SingleSign rule and 51 generalized
[2026-05-24 13:05:03] [INFO ] Computed 78 invariants in 1 ms
Computed 78 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11282408147944212807.kers
Total runtime 1 ms.
[2026-05-24 13:05:03] [INFO ] Implicit Places using invariants in 158 ms returned [46, 48]
[2026-05-24 13:05:03] [INFO ] Actually due to overlaps returned [46]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 163 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 248/260 places, 210/216 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 247 transition count 209
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 247 transition count 209
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 246 transition count 205
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 246 transition count 205
Applied a total of 4 rules in 16 ms. Remains 246 /248 variables (removed 2) and now considering 205/210 (removed 5) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3951584891876259834.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15803794835441611909.kers'
[2026-05-24 13:05:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3951584891876259834.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15803794835441611909.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 205 rows 246 cols 867 entries
Finished phase 1 with 126 SingleSign rule and 43 generalized
[2026-05-24 13:05:03] [INFO ] Computed 77 invariants in 1 ms
Computed 77 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15803794835441611909.kers
Total runtime 1 ms.
[2026-05-24 13:05:03] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-24 13:05:03] [INFO ] Invariant cache hit.
[2026-05-24 13:05:03] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:05:04] [INFO ] Implicit Places using invariants and state equation in 615 ms returned []
Implicit Place search using SMT with State Equation took 764 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 246/260 places, 205/216 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 1168 ms. Remains : 246/260 places, 205/216 transitions.
RANDOM walk for 40000 steps (1047 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (281 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1282293 steps, run timeout after 3001 ms. (steps per millisecond=427 ) properties seen :0 out of 1
Probabilistic random walk after 1282293 steps, saw 205505 distinct states, run finished after 3001 ms. (steps per millisecond=427 ) properties seen :0
[2026-05-24 13:05:07] [INFO ] Invariant cache hit.
[2026-05-24 13:05:07] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 125/189 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/209 variables, 10/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/242 variables, 10/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 205/447 variables, 242/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 3/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/451 variables, 4/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/451 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/451 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 451/451 variables, and 326 constraints, problems are : Problem set: 0 solved, 1 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 246/246 constraints, ReadFeed: 3/3 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) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 125/189 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 5/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/209 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/209 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/242 variables, 10/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/242 variables, 8/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/242 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 205/447 variables, 242/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/447 variables, 3/335 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/447 variables, 20/355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 13/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/447 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/451 variables, 4/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/451 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/451 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 451/451 variables, and 372 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4759 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 246/246 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5244ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 64 out of 246 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 246/246 places, 205/205 transitions.
Applied a total of 0 rules in 6 ms. Remains 246 /246 variables (removed 0) and now considering 205/205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 246/246 places, 205/205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 246/246 places, 205/205 transitions.
Applied a total of 0 rules in 6 ms. Remains 246 /246 variables (removed 0) and now considering 205/205 (removed 0) transitions.
[2026-05-24 13:05:12] [INFO ] Invariant cache hit.
[2026-05-24 13:05:12] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-24 13:05:12] [INFO ] Invariant cache hit.
[2026-05-24 13:05:13] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:05:13] [INFO ] Implicit Places using invariants and state equation in 616 ms returned []
Implicit Place search using SMT with State Equation took 792 ms to find 0 implicit places.
[2026-05-24 13:05:13] [INFO ] Redundant transitions in 6 ms returned []
Running 202 sub problems to find dead transitions.
[2026-05-24 13:05:13] [INFO ] Invariant cache hit.
[2026-05-24 13:05:13] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/243 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/243 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 2/245 variables, 67/74 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/245 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Problem TDEAD179 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD185 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 20/114 constraints. Problems are: Problem set: 3 solved, 199 unsolved
Problem TDEAD181 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 13/127 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 1/128 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/245 variables, 0/128 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 8 (OVERLAPS) 1/246 variables, 3/131 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 20/151 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 20/171 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 20/191 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 20/211 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 20/231 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 20/251 constraints. Problems are: Problem set: 8 solved, 194 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 20/271 constraints. Problems are: Problem set: 8 solved, 194 unsolved
SMT process timed out in 30106ms, After SMT, problems are : Problem set: 8 solved, 194 unsolved
Search for dead transitions found 8 dead transitions in 30112ms
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 : 246/246 places, 197/205 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 244 transition count 197
Applied a total of 2 rules in 11 ms. Remains 244 /246 variables (removed 2) and now considering 197/197 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5949929332510548089.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15009490344506253117.kers'
[2026-05-24 13:05:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5949929332510548089.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15009490344506253117.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 197 rows 244 cols 815 entries
Finished phase 1 with 126 SingleSign rule and 41 generalized
[2026-05-24 13:05:43] [INFO ] Computed 77 invariants in 1 ms
Computed 77 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15009490344506253117.kers
Total runtime 2 ms.
[2026-05-24 13:05:43] [INFO ] Implicit Places using invariants in 138 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 139 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 243/246 places, 197/205 transitions.
Applied a total of 0 rules in 14 ms. Remains 243 /243 variables (removed 0) and now considering 197/197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 31111 ms. Remains : 243/246 places, 197/205 transitions.
RANDOM walk for 40000 steps (1044 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (278 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1433907 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1433907 steps, saw 230482 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) 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-8907537848086735980.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16101814137262262632.kers'
[2026-05-24 13:05:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8907537848086735980.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16101814137262262632.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 197 rows 243 cols 811 entries
Finished phase 1 with 128 SingleSign rule and 39 generalized
[2026-05-24 13:05:47] [INFO ] Computed 76 invariants in 4 ms
Computed 76 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-16101814137262262632.kers
Total runtime 4 ms.
[2026-05-24 13:05:47] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 127/191 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 20/211 variables, 10/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/211 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 28/239 variables, 9/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 197/436 variables, 239/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/436 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/436 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/440 variables, 4/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/440 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/440 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 440/440 variables, and 322 constraints, problems are : Problem set: 0 solved, 1 unsolved in 524 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 243/243 constraints, ReadFeed: 3/3 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) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 127/191 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/191 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/191 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 20/211 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/211 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 28/239 variables, 9/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 197/436 variables, 239/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/436 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/436 variables, 2/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/436 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/440 variables, 4/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/440 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/440 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 440/440 variables, and 332 constraints, problems are : Problem set: 0 solved, 1 unsolved in 841 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 243/243 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1386ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 64 out of 243 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 243/243 places, 197/197 transitions.
Applied a total of 0 rules in 5 ms. Remains 243 /243 variables (removed 0) and now considering 197/197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 243/243 places, 197/197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 243/243 places, 197/197 transitions.
Applied a total of 0 rules in 6 ms. Remains 243 /243 variables (removed 0) and now considering 197/197 (removed 0) transitions.
[2026-05-24 13:05:48] [INFO ] Invariant cache hit.
[2026-05-24 13:05:48] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-24 13:05:48] [INFO ] Invariant cache hit.
[2026-05-24 13:05:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-24 13:05:49] [INFO ] Implicit Places using invariants and state equation in 729 ms returned []
Implicit Place search using SMT with State Equation took 857 ms to find 0 implicit places.
[2026-05-24 13:05:49] [INFO ] Redundant transitions in 11 ms returned []
Running 194 sub problems to find dead transitions.
[2026-05-24 13:05:49] [INFO ] Invariant cache hit.
[2026-05-24 13:05:49] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 2/242 variables, 67/73 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/113 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 8/121 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 7 (OVERLAPS) 1/243 variables, 3/124 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 20/144 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/243 variables, 20/164 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/243 variables, 20/184 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/243 variables, 20/204 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/243 variables, 20/224 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/243 variables, 20/244 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/243 variables, 20/264 constraints. Problems are: Problem set: 0 solved, 194 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 15 (INCLUDED_ONLY) 0/243 variables, 20/284 constraints. Problems are: Problem set: 0 solved, 194 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 243/440 variables, and 284 constraints, problems are : Problem set: 0 solved, 194 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/243 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 194/194 constraints, Known Traps: 208/208 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 194 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 2 (OVERLAPS) 2/242 variables, 67/73 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 56/129 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 5 (OVERLAPS) 1/243 variables, 3/132 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 152/284 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 20/304 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 20/324 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/243 variables, 20/344 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/243 variables, 20/364 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/243 variables, 20/384 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/243 variables, 20/404 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/243 variables, 20/424 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/243 variables, 20/444 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/243 variables, 20/464 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/243 variables, 20/484 constraints. Problems are: Problem set: 0 solved, 194 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/243 variables, 20/504 constraints. Problems are: Problem set: 0 solved, 194 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 243/440 variables, and 504 constraints, problems are : Problem set: 0 solved, 194 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 67/67 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/243 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 0/194 constraints, Known Traps: 428/428 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60062ms problems are : Problem set: 0 solved, 194 unsolved
Search for dead transitions found 0 dead transitions in 60062ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60948 ms. Remains : 243/243 places, 197/197 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 6 ms. Remains 243 /243 variables (removed 0) and now considering 197/197 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-24 13:06:49] [INFO ] Invariant cache hit.
[2026-05-24 13:06:49] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 13:06:49] [INFO ] [Nat]Absence check using 67 positive place invariants in 16 ms returned sat
[2026-05-24 13:06:49] [INFO ] [Nat]Absence check using 67 positive and 9 generalized place invariants in 3 ms returned sat
[2026-05-24 13:06:49] [INFO ] After 144ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 13:06:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
TRAPS : Iteration 1
[2026-05-24 13:06:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
TRAPS : Iteration 2
[2026-05-24 13:06:49] [INFO ] After 434ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 13:06:49] [INFO ] After 532ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-24 13:06:49] [INFO ] Flatten gal took : 18 ms
[2026-05-24 13:06:50] [INFO ] Flatten gal took : 14 ms
[2026-05-24 13:06:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6191046284955848137.gal : 3 ms
[2026-05-24 13:06:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6361418907840017836.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6191046284955848137.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6361418907840017836.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...328
Loading property file /tmp/ReachabilityCardinality6361418907840017836.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :3 after 11
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :12 after 62
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :62 after 108
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :108 after 1102
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1102 after 6582
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6582 after 22180
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :22180 after 94212
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :94212 after 570924
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :570924 after 4.19682e+06
Detected timeout of ITS tools.
[2026-05-24 13:07:05] [INFO ] Flatten gal took : 13 ms
[2026-05-24 13:07:05] [INFO ] Applying decomposition
[2026-05-24 13:07:05] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17974152792919816451.txt' '-o' '/tmp/graph17974152792919816451.bin' '-w' '/tmp/graph17974152792919816451.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17974152792919816451.bin' '-l' '-1' '-v' '-w' '/tmp/graph17974152792919816451.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:07:05] [INFO ] Decomposing Gal with order
[2026-05-24 13:07:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:07:05] [INFO ] Removed a total of 128 redundant transitions.
[2026-05-24 13:07:05] [INFO ] Flatten gal took : 74 ms
[2026-05-24 13:07:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 23 labels/synchronizations in 14 ms.
[2026-05-24 13:07:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16363904415054876643.gal : 5 ms
[2026-05-24 13:07:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13939425980095992691.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16363904415054876643.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13939425980095992691.prop' '--nowitness'

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 ...309
Loading property file /tmp/ReachabilityCardinality13939425980095992691.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 5
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :48 after 210
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.94661e+08 after 3.4238e+08
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3.4238e+08 after 1.10005e+09
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.32511e+10,0.801889,32360,1862,175,59540,841,910,108066,151,2239,0
Total reachable state count : 43251109668

Verifying 1 reachability properties.
Reachability property BusinessProcesses-PT-18-ReachabilityFireability-2024-07 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BusinessProcesses-PT-18-ReachabilityFireability-2024-07,3072,0.828047,32416,117,43,59540,841,1076,108066,172,2239,10525
Over-approximation ignoring read arcs solved 0 properties in 16793 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-24 13:07:06] [INFO ] Flatten gal took : 29 ms
[2026-05-24 13:07:06] [INFO ] Applying decomposition
[2026-05-24 13:07:06] [INFO ] Flatten gal took : 24 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph13219987972209884388.txt' '-o' '/tmp/graph13219987972209884388.bin' '-w' '/tmp/graph13219987972209884388.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13219987972209884388.bin' '-l' '-1' '-v' '-w' '/tmp/graph13219987972209884388.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:07:06] [INFO ] Decomposing Gal with order
[2026-05-24 13:07:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:07:06] [INFO ] Removed a total of 288 redundant transitions.
[2026-05-24 13:07:06] [INFO ] Flatten gal took : 47 ms
[2026-05-24 13:07:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 5 labels/synchronizations in 9 ms.
[2026-05-24 13:07:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11644894886480009286.gal : 11 ms
[2026-05-24 13:07:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14580081211017605931.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11644894886480009286.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14580081211017605931.prop' '--nowitness'

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 ...309
Loading property file /tmp/ReachabilityCardinality14580081211017605931.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 51
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :51 after 7.80042e+20
Reachability property BusinessProcesses-PT-18-ReachabilityFireability-2024-07 is true.
FORMULA BusinessProcesses-PT-18-ReachabilityFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.3139e+27,5.53878,122852,6635,58,247643,631,1351,515533,61,1179,0
Total reachable state count : 1313903547431918551162683392

Verifying 1 reachability properties.
Reachability property BusinessProcesses-PT-18-ReachabilityFireability-2024-07 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BusinessProcesses-PT-18-ReachabilityFireability-2024-07,4.09858e+21,7.36126,122852,335,17,247643,631,1672,515533,81,1179,0
All properties solved without resorting to model-checking.
Total runtime 169874 ms.

BK_STOP 1779628033938

--------------------
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-18"
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-18, 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-177946842100591"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BusinessProcesses-PT-18.tgz
mv BusinessProcesses-PT-18 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 ;