fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809200558
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FMS-PT-10000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
590.892 155607.00 479846.00 125.50 FFFTFFFTFFTFTTTF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809200558.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FMS-PT-10000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809200558
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 05:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 7 05:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 7 05:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 7 05:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 10:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16K 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 FMS-PT-10000-ReachabilityCardinality-2024-00
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-01
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-02
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-03
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-04
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-05
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-06
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-07
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-08
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-09
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-10
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-11
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-12
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-13
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-14
FORMULA_NAME FMS-PT-10000-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779987906014

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FMS-PT-10000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-28 17:05:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-28 17:05:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 17:05:08] [INFO ] Load time of PNML (sax parser for PT used): 64 ms
[2026-05-28 17:05:08] [INFO ] Transformed 22 places.
[2026-05-28 17:05:08] [INFO ] Transformed 20 transitions.
[2026-05-28 17:05:08] [INFO ] Parsed PT model containing 22 places and 20 transitions and 50 arcs in 234 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 30 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40004 steps (0 resets) in 262 ms. (152 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 229 ms. (17 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 133 ms. (29 steps per ms) remains 15/16 properties
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 179 ms. (22 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 251 ms. (15 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 167 ms. (23 steps per ms) remains 15/15 properties
[2026-05-28 17:05:08] [INFO ] Flatten gal took : 78 ms
[2026-05-28 17:05:08] [INFO ] Flatten gal took : 16 ms
BEST_FIRST walk for 4004 steps (8 resets) in 211 ms. (18 steps per ms) remains 15/15 properties
[2026-05-28 17:05:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15278251231686104995.gal : 9 ms
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
[2026-05-28 17:05:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5140342653883024035.prop : 12 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/ReachabilityCardinality15278251231686104995.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5140342653883024035.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 15/15 properties

its-reach command run as :
BEST_FIRST walk for 4004 steps (8 resets) in 207 ms. (19 steps per ms) remains 15/15 properties

/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/ReachabilityCardinality5140342653883024035.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 15/15 properties
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 25
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :25 after 121
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 15/15 properties
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :121 after 1034
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :1034 after 7549
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :7549 after 54955
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :54955 after 431635
Interrupted probabilistic random walk after 162370 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 15
Probabilistic random walk after 162370 steps, saw 122815 distinct states, run finished after 3010 ms. (steps per millisecond=53 ) 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-500616376468926627.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5174115315600271827.kers'
[2026-05-28 17:05:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-500616376468926627.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5174115315600271827.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 20 rows 19 cols 42 entries
Finished phase 1 with 15 SingleSign rule and 1 generalized
[2026-05-28 17:05:12] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5174115315600271827.kers
Total runtime 2 ms.
Problem FMS-PT-10000-ReachabilityCardinality-2024-14 is UNSAT
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
Problem FMS-PT-10000-ReachabilityCardinality-2024-00 is UNSAT
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 1/6 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 2 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 2 solved, 13 unsolved in 956 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 1/6 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 13/41 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/42 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 41 constraints, problems are : Problem set: 2 solved, 13 unsolved in 2019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 13/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3116ms problems are : Problem set: 2 solved, 13 unsolved
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :431635 after 3.42228e+06
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-13 TRUE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-08 FALSE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-01 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 30005 ms.
Support contains 20 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 20/20 transitions.
Applied a total of 0 rules in 17 ms. Remains 22 /22 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 22/22 places, 20/20 transitions.
RANDOM walk for 40004 steps (0 resets) in 68 ms. (579 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 192 ms. (207 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 252 ms. (158 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 94 ms. (421 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 183442 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 9
Probabilistic random walk after 183442 steps, saw 137009 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
[2026-05-28 17:05:48] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 0 solved, 9 unsolved in 324 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 9/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/42 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/42 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 37 constraints, problems are : Problem set: 0 solved, 9 unsolved in 614 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 959ms problems are : Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :3.42228e+06 after 2.70195e+07
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-11 FALSE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-06 FALSE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-03 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 30004 ms.
Support contains 20 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 22/22 places, 20/20 transitions.
RANDOM walk for 40004 steps (0 resets) in 26 ms. (1481 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 132 ms. (300 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 227866 steps, run timeout after 3001 ms. (steps per millisecond=75 ) properties seen :0 out of 5
Probabilistic random walk after 227866 steps, saw 174029 distinct states, run finished after 3001 ms. (steps per millisecond=75 ) properties seen :0
[2026-05-28 17:06:23] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 0 solved, 5 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/42 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/42 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 33 constraints, problems are : Problem set: 0 solved, 5 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 550ms problems are : Problem set: 0 solved, 5 unsolved
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-04 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 30000 ms.
Support contains 19 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 22/22 places, 20/20 transitions.
RANDOM walk for 40004 steps (0 resets) in 14 ms. (2666 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 124 ms. (320 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 267184 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 4
Probabilistic random walk after 267184 steps, saw 206794 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-28 17:06:56] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/21 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 0 solved, 4 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 4/4 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) 0/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/21 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/42 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/42 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 32 constraints, problems are : Problem set: 0 solved, 4 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 441ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-05 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 30000 ms.
Support contains 18 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 20/20 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 19
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 19
Applied a total of 2 rules in 19 ms. Remains 21 /22 variables (removed 1) and now considering 19/20 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 21/22 places, 19/20 transitions.
RANDOM walk for 40006 steps (0 resets) in 98 ms. (404 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 338 ms. (118 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 342747 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 3
Probabilistic random walk after 342747 steps, saw 276591 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) 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-357770874235148077.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11031857747946787201.kers'
[2026-05-28 17:07:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-357770874235148077.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11031857747946787201.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 19 rows 18 cols 40 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-28 17:07:30] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11031857747946787201.kers
Total runtime 0 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 19/40 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 27 constraints, problems are : Problem set: 0 solved, 3 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 19/40 variables, 21/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/40 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/40 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 30 constraints, problems are : Problem set: 0 solved, 3 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 247ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-07 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 100450 steps, including 0 resets, run visited all 1 properties in 118 ms. (steps per millisecond=851 )
FORMULA FMS-PT-10000-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 10804 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 153672 ms.

BK_STOP 1779988061621

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="FMS-PT-10000"
export BK_EXAMINATION="ReachabilityCardinality"
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 FMS-PT-10000, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809200558"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FMS-PT-10000.tgz
mv FMS-PT-10000 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;