fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993700367
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DES-PT-10a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
618.147 55634.00 136674.00 255.50 TFFTTFFTTFFFTTTF 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.r082-smll-177946993700367.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 DES-PT-10a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.3K Mar 6 18:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 18:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 08:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 08:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 18:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 6 18:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 18:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 6 18:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 43K 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 DES-PT-10a-ReachabilityFireability-2024-00
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-01
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-02
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-03
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-04
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-05
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-06
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-07
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-08
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-09
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-10
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-11
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-12
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-13
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-14
FORMULA_NAME DES-PT-10a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779672578923

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-10a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 01:29:41] [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]
[2026-05-25 01:29:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 01:29:41] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2026-05-25 01:29:41] [INFO ] Transformed 155 places.
[2026-05-25 01:29:41] [INFO ] Transformed 112 transitions.
[2026-05-25 01:29:41] [INFO ] Found NUPN structural information;
[2026-05-25 01:29:41] [INFO ] Parsed PT model containing 155 places and 112 transitions and 552 arcs in 356 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 37 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-10a-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 01:29:42] [INFO ] Flatten gal took : 127 ms
[2026-05-25 01:29:42] [INFO ] Flatten gal took : 76 ms
RANDOM walk for 40000 steps (899 resets) in 2457 ms. (16 steps per ms) remains 9/15 properties
FORMULA DES-PT-10a-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 01:29:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1202414571369935918.gal : 61 ms
BEST_FIRST walk for 40003 steps (202 resets) in 551 ms. (72 steps per ms) remains 9/9 properties
[2026-05-25 01:29:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10195252878360363038.prop : 29 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/ReachabilityCardinality1202414571369935918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10195252878360363038.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 ...329
Loading property file /tmp/ReachabilityCardinality10195252878360363038.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :5 after 9
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :9 after 37
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :37 after 61
BEST_FIRST walk for 40003 steps (208 resets) in 1117 ms. (35 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :61 after 657
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :657 after 1909
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :1909 after 4681
BEST_FIRST walk for 40002 steps (211 resets) in 397 ms. (100 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (165 resets) in 455 ms. (87 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (252 resets) in 1576 ms. (25 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (176 resets) in 243 ms. (163 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (182 resets) in 729 ms. (54 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (251 resets) in 290 ms. (137 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (192 resets) in 496 ms. (80 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5583304705097197163.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8955635217934623325.kers'
[2026-05-25 01:29:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5583304705097197163.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8955635217934623325.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 98 rows 154 cols 485 entries
Finished phase 1 with 34 SingleSign rule and 62 generalized
[2026-05-25 01:29:44] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8955635217934623325.kers
Total runtime 3 ms.
[2026-05-25 01:29:44] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :4681 after 242577
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 124/124 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 28/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 5/157 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 8/132 variables, 7/164 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 8/172 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem DES-PT-10a-ReachabilityFireability-2024-10 is UNSAT
FORMULA DES-PT-10a-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 21/153 variables, 18/191 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/153 variables, 21/212 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/153 variables, 0/212 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem DES-PT-10a-ReachabilityFireability-2024-01 is UNSAT
FORMULA DES-PT-10a-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 11 (OVERLAPS) 98/251 variables, 153/365 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/251 variables, 1/366 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/251 variables, 0/366 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 2/253 variables, 2/368 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/253 variables, 2/370 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/253 variables, 0/370 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 0/253 variables, 0/370 constraints. Problems are: Problem set: 2 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 253/253 variables, and 370 constraints, problems are : Problem set: 2 solved, 7 unsolved in 3627 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/80 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 15/95 variables, 28/108 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 15/123 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/123 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 14/109 variables, 7/130 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 14/144 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 1/145 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 0/145 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 38/147 variables, 22/167 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/147 variables, 38/205 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/147 variables, 0/205 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 1/148 variables, 1/206 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 1/207 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 0/207 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 98/246 variables, 148/355 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/246 variables, 1/356 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/246 variables, 0/356 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Problem DES-PT-10a-ReachabilityFireability-2024-03 is UNSAT
FORMULA DES-PT-10a-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 18 (OVERLAPS) 7/253 variables, 7/363 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/253 variables, 7/370 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 253/253 variables, and 375 constraints, problems are : Problem set: 3 solved, 6 unsolved in 5029 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8912ms problems are : Problem set: 3 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 69 out of 155 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 155/155 places, 98/98 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 155 transition count 97
Applied a total of 1 rules in 61 ms. Remains 155 /155 variables (removed 0) and now considering 97/98 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 155/155 places, 97/98 transitions.
RANDOM walk for 40000 steps (822 resets) in 602 ms. (66 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (202 resets) in 112 ms. (353 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (197 resets) in 176 ms. (226 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (254 resets) in 292 ms. (136 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (153 resets) in 110 ms. (360 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (249 resets) in 168 ms. (236 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (186 resets) in 358 ms. (111 steps per ms) remains 6/6 properties
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :242577 after 1.62734e+06
Interrupted probabilistic random walk after 671428 steps, run timeout after 3001 ms. (steps per millisecond=223 ) properties seen :0 out of 6
Probabilistic random walk after 671428 steps, saw 93606 distinct states, run finished after 3007 ms. (steps per millisecond=223 ) 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-7301678652255339858.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11053070585146807924.kers'
[2026-05-25 01:29:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7301678652255339858.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11053070585146807924.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 97 rows 154 cols 483 entries
Finished phase 1 with 34 SingleSign rule and 61 generalized
[2026-05-25 01:29:57] [INFO ] Computed 60 invariants in 6 ms
Computed 60 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-11053070585146807924.kers
Total runtime 8 ms.
[2026-05-25 01:29:57] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 27/96 variables, 29/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 27/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 15/111 variables, 8/133 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 15/148 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 36/147 variables, 22/171 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/147 variables, 36/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/147 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 97/244 variables, 147/354 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/244 variables, 1/355 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/244 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 8/252 variables, 8/363 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/252 variables, 8/371 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/252 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 0/252 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 252/252 variables, and 371 constraints, problems are : Problem set: 0 solved, 6 unsolved in 3899 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 69/69 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 27/96 variables, 29/98 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 27/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 15/111 variables, 8/133 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 15/148 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/111 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 36/147 variables, 22/171 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/147 variables, 36/207 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/147 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/147 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/147 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 97/244 variables, 147/356 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/244 variables, 1/357 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/244 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 8/252 variables, 8/365 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/252 variables, 8/373 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/252 variables, 5/378 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/252 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 0/252 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 252/252 variables, and 378 constraints, problems are : Problem set: 0 solved, 6 unsolved in 13325 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17273ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA DES-PT-10a-ReachabilityFireability-2024-05 FALSE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 3223 ms.
Support contains 39 out of 155 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 155/155 places, 97/97 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 155 transition count 96
Applied a total of 1 rules in 18 ms. Remains 155 /155 variables (removed 0) and now considering 96/97 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 155/155 places, 96/97 transitions.
RANDOM walk for 40000 steps (648 resets) in 323 ms. (123 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (123 resets) in 236 ms. (168 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (104 resets) in 135 ms. (294 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (98 resets) in 205 ms. (194 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 800072 steps, run timeout after 3001 ms. (steps per millisecond=266 ) properties seen :0 out of 3
Probabilistic random walk after 800072 steps, saw 112664 distinct states, run finished after 3011 ms. (steps per millisecond=265 ) 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-8966979255563591321.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-644387157419693577.kers'
[2026-05-25 01:30:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8966979255563591321.kers, --Pflows, --basisKERS=/tmp/petrispot-output-644387157419693577.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 96 rows 154 cols 482 entries
Finished phase 1 with 35 SingleSign rule and 59 generalized
[2026-05-25 01:30:21] [INFO ] Computed 61 invariants in 1 ms
Computed 61 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-644387157419693577.kers
Total runtime 3 ms.
[2026-05-25 01:30:21] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 21/60 variables, 16/55 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 21/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/104 variables, 22/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 44/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 42/146 variables, 22/165 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 42/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 96/242 variables, 146/353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/242 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/242 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 9/251 variables, 9/363 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/251 variables, 9/372 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/251 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/251 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 251/251 variables, and 372 constraints, problems are : Problem set: 0 solved, 3 unsolved in 974 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/2 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) 0/39 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 21/60 variables, 16/55 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 21/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/104 variables, 22/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 44/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 42/146 variables, 22/165 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/146 variables, 42/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 96/242 variables, 146/353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/242 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/242 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 9/251 variables, 9/363 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/251 variables, 9/372 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/251 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/251 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/251 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 251/251 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2990 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 155/155 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3988ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA DES-PT-10a-ReachabilityFireability-2024-13 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-10a-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 1044 ms.
Support contains 2 out of 155 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 155/155 places, 96/96 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 95
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 8 place count 154 transition count 95
Applied a total of 8 rules in 58 ms. Remains 154 /155 variables (removed 1) and now considering 95/96 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 154/155 places, 95/96 transitions.
RANDOM walk for 40000 steps (538 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (65 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1470769 steps, run timeout after 3001 ms. (steps per millisecond=490 ) properties seen :0 out of 1
Probabilistic random walk after 1470769 steps, saw 205344 distinct states, run finished after 3005 ms. (steps per millisecond=489 ) 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-11970154629844934772.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17864402528831636268.kers'
[2026-05-25 01:30:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11970154629844934772.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17864402528831636268.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 95 rows 153 cols 502 entries
Finished phase 1 with 17 SingleSign rule and 76 generalized
[2026-05-25 01:30:29] [INFO ] Computed 61 invariants in 0 ms
Computed 61 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17864402528831636268.kers
Total runtime 1 ms.
[2026-05-25 01:30:29] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 80/87 variables, 35/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 57/144 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 95/239 variables, 144/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 5/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/249 variables, 10/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/249 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/249 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 249/249 variables, and 220 constraints, problems are : Problem set: 0 solved, 1 unsolved in 347 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 154/154 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 80/87 variables, 35/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 57/144 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 95/239 variables, 144/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 5/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/249 variables, 10/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/249 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/249 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 249/249 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 670 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 154/154 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1029ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 79 ms.
Support contains 2 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 95/95 transitions.
Applied a total of 0 rules in 10 ms. Remains 154 /154 variables (removed 0) and now considering 95/95 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 154/154 places, 95/95 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 95/95 transitions.
Applied a total of 0 rules in 9 ms. Remains 154 /154 variables (removed 0) and now considering 95/95 (removed 0) transitions.
[2026-05-25 01:30:30] [INFO ] Invariant cache hit.
[2026-05-25 01:30:30] [INFO ] Implicit Places using invariants in 177 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 190 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 153/154 places, 95/95 transitions.
Applied a total of 0 rules in 7 ms. Remains 153 /153 variables (removed 0) and now considering 95/95 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 207 ms. Remains : 153/154 places, 95/95 transitions.
RANDOM walk for 40000 steps (536 resets) in 181 ms. (219 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (75 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1543583 steps, run timeout after 3001 ms. (steps per millisecond=514 ) properties seen :0 out of 1
Probabilistic random walk after 1543583 steps, saw 216129 distinct states, run finished after 3001 ms. (steps per millisecond=514 ) 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-7680346155164004440.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-115336619564752665.kers'
[2026-05-25 01:30:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7680346155164004440.kers, --Pflows, --basisKERS=/tmp/petrispot-output-115336619564752665.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 95 rows 153 cols 502 entries
Finished phase 1 with 17 SingleSign rule and 76 generalized
[2026-05-25 01:30:33] [INFO ] Computed 60 invariants in 2 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-115336619564752665.kers
Total runtime 3 ms.
[2026-05-25 01:30:33] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 79/86 variables, 34/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 57/143 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 95/238 variables, 143/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 3/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/248 variables, 10/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/248 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/248 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 153/153 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 79/86 variables, 34/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 57/143 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 95/238 variables, 143/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 3/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/248 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/248 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/248 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/248 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 153/153 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 581ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 397 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=198 )
FORMULA DES-PT-10a-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 13 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 52948 ms.

BK_STOP 1779672634557

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 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="DES-PT-10a"
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 DES-PT-10a, 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 r082-smll-177946993700367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-10a.tgz
mv DES-PT-10a 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 ;