MCC'2026- Execution of r098-tall-177955695800837

About the Execution of ITS-Tools for DNAwalker-PT-16redondantChoiceR

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
2450.195	1925735.00	2310945.00	14922.10	2 2 2 2 2 2 2 1 2 2 2 2 1 2 2 2	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.r098-tall-177955695800837.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 DNAwalker-PT-16redondantChoiceR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695800837
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 6.8K Mar 6 15:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 15:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 6 15:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 15:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 15:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 211K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779670877796

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 01:01:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 01:01:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 01:01:19] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2026-05-25 01:01:19] [INFO ] Transformed 43 places.
[2026-05-25 01:01:19] [INFO ] Transformed 490 transitions.
[2026-05-25 01:01:19] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 184 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1139423662563289619.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5406814341982656907.kers'
[2026-05-25 01:01:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1139423662563289619.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5406814341982656907.kers]
Normalized transition count is 488 out of 490 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 01:01:19] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5406814341982656907.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (377 resets) in 88 ms. (112 steps per ms)
BEST_FIRST walk for 160015 steps (424 resets) in 204 ms. (780 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 01:01:19] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17763195428241048797.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3318943375453488512.kers'
[2026-05-25 01:01:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17763195428241048797.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3318943375453488512.kers]
Normalized transition count is 488 out of 489 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 488 rows 43 cols 966 entries
Finished phase 1 with 43 SingleSign rule and 0 generalized
[2026-05-25 01:01:19] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3318943375453488512.kers
Total runtime 1 ms.
[2026-05-25 01:01:19] [INFO ] [Real]Absence check using state equation in 112 ms returned sat
[2026-05-25 01:01:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:20] [INFO ] [Nat]Absence check using state equation in 1088 ms returned unknown
[2026-05-25 01:01:21] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-25 01:01:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:22] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
[2026-05-25 01:01:22] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-25 01:01:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:23] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
[2026-05-25 01:01:23] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-25 01:01:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:24] [INFO ] [Nat]Absence check using state equation in 1059 ms returned unknown
[2026-05-25 01:01:24] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 01:01:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:25] [INFO ] [Nat]Absence check using state equation in 1054 ms returned unknown
[2026-05-25 01:01:25] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 01:01:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:26] [INFO ] [Nat]Absence check using state equation in 1068 ms returned unknown
[2026-05-25 01:01:27] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-25 01:01:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:28] [INFO ] [Nat]Absence check using state equation in 1066 ms returned unknown
[2026-05-25 01:01:28] [INFO ] [Real]Absence check using state equation in 59 ms returned unsat
[2026-05-25 01:01:28] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 01:01:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:29] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
[2026-05-25 01:01:29] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:01:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:30] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
[2026-05-25 01:01:30] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 01:01:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:31] [INFO ] [Nat]Absence check using state equation in 1070 ms returned unknown
[2026-05-25 01:01:31] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 01:01:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:32] [INFO ] [Nat]Absence check using state equation in 1070 ms returned unknown
[2026-05-25 01:01:33] [INFO ] [Real]Absence check using state equation in 63 ms returned unsat
[2026-05-25 01:01:33] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-25 01:01:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:34] [INFO ] [Nat]Absence check using state equation in 1063 ms returned unknown
[2026-05-25 01:01:34] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-25 01:01:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:35] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
[2026-05-25 01:01:35] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 01:01:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:01:36] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 43 transition count 478
Reduce places removed 8 places and 8 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 20 place count 35 transition count 470
Applied a total of 20 rules in 64 ms. Remains 35 /43 variables (removed 8) and now considering 470/490 (removed 20) transitions.
Running 464 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16991552649335342246.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13119516600111009462.kers'
[2026-05-25 01:01:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16991552649335342246.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13119516600111009462.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 470 rows 35 cols 940 entries
Finished phase 1 with 35 SingleSign rule and 0 generalized
[2026-05-25 01:01:36] [INFO ] Computed 0 invariants in 2 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-13119516600111009462.kers
Total runtime 3 ms.
[2026-05-25 01:01:36] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 29/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 4 (OVERLAPS) 2/505 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/505 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (OVERLAPS) 0/505 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
No progress, stopping.
After SMT solving in domain Real declared 505/505 variables, and 64 constraints, problems are : Problem set: 0 solved, 464 unsolved in 20028 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 464/464 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 464 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 29/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 464/526 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 464 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/505 variables, and 528 constraints, problems are : Problem set: 0 solved, 464 unsolved in 20027 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 464/464 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40374ms problems are : Problem set: 0 solved, 464 unsolved
Search for dead transitions found 0 dead transitions in 40389ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40485 ms. Remains : 35/43 places, 470/490 transitions.
findPositiveTsemiflow completed in 22 ms - Net is bounded UNSAT
[2026-05-25 01:02:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (48008 resets) in 4729 ms. (211 steps per ms)
BEST_FIRST walk for 14000012 steps (65033 resets) in 12156 ms. (1151 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 01:02:34] [INFO ] Invariant cache hit.
[2026-05-25 01:02:34] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 01:02:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:02:43] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2026-05-25 01:02:43] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-25 01:02:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:02:52] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2026-05-25 01:02:52] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-25 01:02:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:01] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2026-05-25 01:03:01] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:03:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:10] [INFO ] [Nat]Absence check using state equation in 9058 ms returned unknown
[2026-05-25 01:03:10] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:03:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:20] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2026-05-25 01:03:20] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 01:03:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:29] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2026-05-25 01:03:29] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:03:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:38] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2026-05-25 01:03:38] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:03:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:47] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2026-05-25 01:03:47] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 01:03:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:03:56] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
[2026-05-25 01:03:56] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:03:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:04:05] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2026-05-25 01:04:05] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 01:04:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:04:15] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
[2026-05-25 01:04:15] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 01:04:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:04:24] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
[2026-05-25 01:04:24] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-25 01:04:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:04:33] [INFO ] [Nat]Absence check using state equation in 9061 ms returned unknown
[2026-05-25 01:04:33] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:04:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:04:42] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 22 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 35/35 places, 470/470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 7 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
[2026-05-25 01:04:42] [INFO ] Invariant cache hit.
[2026-05-25 01:04:42] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-25 01:04:42] [INFO ] Invariant cache hit.
[2026-05-25 01:04:42] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-25 01:04:43] [INFO ] Implicit Places using invariants and state equation in 568 ms returned [34]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Implicit Place search using SMT with State Equation took 624 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 34/35 places, 467/470 transitions.
Applied a total of 0 rules in 10 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 642 ms. Remains : 34/35 places, 467/470 transitions.
findPositiveTsemiflow completed in 23 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7750405489617224504.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7454144332386908389.kers'
[2026-05-25 01:04:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7750405489617224504.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7454144332386908389.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:04:43] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7454144332386908389.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (44739 resets) in 4449 ms. (224 steps per ms)
BEST_FIRST walk for 14000012 steps (62964 resets) in 11631 ms. (1203 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 01:04:59] [INFO ] Invariant cache hit.
[2026-05-25 01:04:59] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:04:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:08] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
[2026-05-25 01:05:08] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:05:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:17] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
[2026-05-25 01:05:17] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 01:05:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:26] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2026-05-25 01:05:27] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 01:05:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:36] [INFO ] [Nat]Absence check using state equation in 9058 ms returned unknown
[2026-05-25 01:05:36] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 01:05:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:45] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
[2026-05-25 01:05:45] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:05:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:05:54] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
[2026-05-25 01:05:54] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 01:05:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:03] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
[2026-05-25 01:06:03] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 01:06:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:12] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2026-05-25 01:06:12] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:06:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:21] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
[2026-05-25 01:06:22] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 01:06:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:31] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
[2026-05-25 01:06:31] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 01:06:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:40] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
[2026-05-25 01:06:40] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:06:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:49] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
[2026-05-25 01:06:49] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 01:06:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:06:58] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
[2026-05-25 01:06:58] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-25 01:06:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:07:07] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 16 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 34/34 places, 467/467 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 6 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
[2026-05-25 01:07:07] [INFO ] Invariant cache hit.
[2026-05-25 01:07:07] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 01:07:07] [INFO ] Invariant cache hit.
[2026-05-25 01:07:07] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-25 01:07:08] [INFO ] Implicit Places using invariants and state equation in 590 ms returned []
Implicit Place search using SMT with State Equation took 629 ms to find 0 implicit places.
[2026-05-25 01:07:08] [INFO ] Redundant transitions in 42 ms returned []
Running 461 sub problems to find dead transitions.
[2026-05-25 01:07:08] [INFO ] Invariant cache hit.
[2026-05-25 01:07:08] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 2/501 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 461 unsolved in 22241 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 461/522 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/499 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 501/501 variables, and 524 constraints, problems are : Problem set: 0 solved, 461 unsolved in 30016 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52440ms problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 52444ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53127 ms. Remains : 34/34 places, 467/467 transitions.
findPositiveTsemiflow completed in 24 ms - Net is bounded UNSAT
RANDOM walk for 40000 steps (1780 resets) in 1038 ms. (38 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (176 resets) in 207 ms. (192 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (165 resets) in 180 ms. (221 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (170 resets) in 151 ms. (263 steps per ms) remains 14/14 properties
[2026-05-25 01:08:01] [INFO ] Flatten gal took : 129 ms
BEST_FIRST walk for 40003 steps (167 resets) in 156 ms. (254 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (156 resets) in 136 ms. (292 steps per ms) remains 14/14 properties
[2026-05-25 01:08:01] [INFO ] Flatten gal took : 77 ms
BEST_FIRST walk for 40003 steps (289 resets) in 112 ms. (354 steps per ms) remains 14/14 properties
[2026-05-25 01:08:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4249158993241216874.gal : 25 ms
BEST_FIRST walk for 40004 steps (175 resets) in 128 ms. (310 steps per ms) remains 14/14 properties
[2026-05-25 01:08:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3751156976447489815.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/ReachabilityCardinality4249158993241216874.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3751156976447489815.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
BEST_FIRST walk for 40004 steps (167 resets) in 133 ms. (298 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (162 resets) in 113 ms. (350 steps per ms) remains 14/14 properties
Loading property file /tmp/ReachabilityCardinality3751156976447489815.prop.
BEST_FIRST walk for 40003 steps (173 resets) in 128 ms. (310 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :9 after 68
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :68 after 566
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :566 after 755
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :755 after 2580
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :2580 after 11660
BEST_FIRST walk for 40002 steps (176 resets) in 98 ms. (404 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :11660 after 25640
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :25640 after 109707
BEST_FIRST walk for 40004 steps (159 resets) in 147 ms. (270 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (169 resets) in 106 ms. (373 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :109707 after 373017
BEST_FIRST walk for 40003 steps (184 resets) in 91 ms. (434 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :373017 after 1.56508e+06
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :1.56508e+06 after 8.40247e+06
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :8.40247e+06 after 3.53382e+07
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :3.53382e+07 after 7.75747e+07
Interrupted probabilistic random walk after 368946 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :0 out of 14
Probabilistic random walk after 368946 steps, saw 90157 distinct states, run finished after 3007 ms. (steps per millisecond=122 ) properties seen :0
[2026-05-25 01:08:05] [INFO ] Invariant cache hit.
[2026-05-25 01:08:05] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 184/501 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 14 unsolved in 655 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 32768
SDD size :7.75747e+07 after 3.83899e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 501/501 variables, and 64 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5008 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5670ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 24 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 34/34 places, 467/467 transitions.
RANDOM walk for 40000 steps (1791 resets) in 644 ms. (62 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (171 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (174 resets) in 77 ms. (512 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (184 resets) in 90 ms. (439 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (165 resets) in 65 ms. (606 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (154 resets) in 73 ms. (540 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (295 resets) in 76 ms. (519 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (169 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (170 resets) in 72 ms. (548 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (167 resets) in 75 ms. (526 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (166 resets) in 73 ms. (540 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (163 resets) in 79 ms. (500 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (162 resets) in 65 ms. (606 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (170 resets) in 79 ms. (500 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (180 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 65536
SDD size :3.83899e+08 after 7.76369e+08
Interrupted probabilistic random walk after 390744 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 14
Probabilistic random walk after 390744 steps, saw 95991 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2026-05-25 01:08:14] [INFO ] Invariant cache hit.
[2026-05-25 01:08:14] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 184/501 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 14 unsolved in 462 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 131072
SDD size :7.76369e+08 after 1.74377e+09
SDD proceeding with computation,14 properties remain. new max is 262144
SDD size :1.74377e+09 after 7.2307e+09
Detected timeout of ITS tools.
[2026-05-25 01:08:51] [INFO ] Flatten gal took : 21 ms
[2026-05-25 01:08:51] [INFO ] Applying decomposition
[2026-05-25 01:08:51] [INFO ] Flatten gal took : 17 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/graph437031547609534044.txt' '-o' '/tmp/graph437031547609534044.bin' '-w' '/tmp/graph437031547609534044.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph437031547609534044.bin' '-l' '-1' '-v' '-w' '/tmp/graph437031547609534044.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:08:52] [INFO ] Decomposing Gal with order
[2026-05-25 01:08:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:08:52] [INFO ] Removed a total of 861 redundant transitions.
[2026-05-25 01:08:52] [INFO ] Flatten gal took : 353 ms
[2026-05-25 01:08:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 4 ms.
[2026-05-25 01:08:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16266473663940092783.gal : 7 ms
[2026-05-25 01:08:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10435259061629188241.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/ReachabilityCardinality16266473663940092783.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10435259061629188241.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/ReachabilityCardinality10435259061629188241.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 501/501 variables, and 64 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45013 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45486ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 14 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 34/34 places, 467/467 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 7 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
[2026-05-25 01:08:59] [INFO ] Invariant cache hit.
[2026-05-25 01:08:59] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:08:59] [INFO ] Invariant cache hit.
[2026-05-25 01:08:59] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-25 01:09:00] [INFO ] Implicit Places using invariants and state equation in 593 ms returned []
Implicit Place search using SMT with State Equation took 638 ms to find 0 implicit places.
[2026-05-25 01:09:00] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 662 ms. Remains : 34/34 places, 467/467 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 01:09:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (445 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (44 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:09:00] [INFO ] Invariant cache hit.
[2026-05-25 01:09:00] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-25 01:09:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:09:01] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 23 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Running 451 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17876750751247610860.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6599461308589477735.kers'
[2026-05-25 01:09:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17876750751247610860.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6599461308589477735.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:09:01] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6599461308589477735.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11480 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20013 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31628ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31630ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31655 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
[2026-05-25 01:09:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36211 resets) in 3730 ms. (268 steps per ms)
BEST_FIRST walk for 1000001 steps (4005 resets) in 768 ms. (1300 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:09:37] [INFO ] Invariant cache hit.
[2026-05-25 01:09:38] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 01:09:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:09:47] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:09:47] [INFO ] Invariant cache hit.
[2026-05-25 01:09:47] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 01:09:47] [INFO ] Invariant cache hit.
[2026-05-25 01:09:47] [INFO ] Implicit Places using invariants and state equation in 527 ms returned []
Implicit Place search using SMT with State Equation took 569 ms to find 0 implicit places.
[2026-05-25 01:09:47] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 588 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 28 ms - Net is bounded UNSAT
[2026-05-25 01:09:47] [INFO ] Flatten gal took : 35 ms
[2026-05-25 01:09:47] [INFO ] Flatten gal took : 21 ms
[2026-05-25 01:09:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12581418699605447737.gal : 6 ms
[2026-05-25 01:09:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality663139646169548280.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/ReachabilityCardinality12581418699605447737.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality663139646169548280.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (1447 resets) in 247 ms. (161 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (159 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality663139646169548280.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1038115 steps, run timeout after 3001 ms. (steps per millisecond=345 ) properties seen :0 out of 1
Probabilistic random walk after 1038115 steps, saw 285438 distinct states, run finished after 3001 ms. (steps per millisecond=345 ) properties seen :0
[2026-05-25 01:09:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/19 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 171/190 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 289/479 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/487 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/19 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 171/190 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 289/479 variables, 17/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1100 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 14 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1444 resets) in 230 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (159 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1044999 steps, run timeout after 3001 ms. (steps per millisecond=348 ) properties seen :0 out of 1
Probabilistic random walk after 1044999 steps, saw 287184 distinct states, run finished after 3001 ms. (steps per millisecond=348 ) properties seen :0
[2026-05-25 01:09:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/19 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 171/190 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 289/479 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/487 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 18/19 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 171/190 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 289/479 variables, 17/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9106 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9202ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 15 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:10:04] [INFO ] Invariant cache hit.
[2026-05-25 01:10:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-25 01:10:04] [INFO ] Invariant cache hit.
[2026-05-25 01:10:04] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 545 ms to find 0 implicit places.
[2026-05-25 01:10:05] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 570 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:10:05] [INFO ] Flatten gal took : 13 ms
[2026-05-25 01:10:05] [INFO ] Applying decomposition
[2026-05-25 01:10:05] [INFO ] Flatten gal took : 14 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/graph17187656976605731928.txt' '-o' '/tmp/graph17187656976605731928.bin' '-w' '/tmp/graph17187656976605731928.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17187656976605731928.bin' '-l' '-1' '-v' '-w' '/tmp/graph17187656976605731928.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:10:05] [INFO ] Decomposing Gal with order
[2026-05-25 01:10:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:10:05] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:10:05] [INFO ] Flatten gal took : 23 ms
[2026-05-25 01:10:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2026-05-25 01:10:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2400783299691338786.gal : 3 ms
[2026-05-25 01:10:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15558377906638307514.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/ReachabilityCardinality2400783299691338786.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15558377906638307514.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 ...308
Loading property file /tmp/ReachabilityCardinality15558377906638307514.prop.
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,1.46555e+10,39.0366,1144292,17286,5,2.06563e+06,262,527,4.11163e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,39.0536,1144292,1,0,2.06563e+06,262,529,4.11163e+06,11,241,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:10:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36204 resets) in 3697 ms. (270 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-00 in 107580 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1814912815510851515.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2344007022932769303.kers'
[2026-05-25 01:10:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1814912815510851515.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2344007022932769303.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:10:48] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-2344007022932769303.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (442 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (43 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:10:48] [INFO ] Invariant cache hit.
[2026-05-25 01:10:48] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 01:10:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:10:49] [INFO ] [Nat]Absence check using state equation in 1051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 20 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13761991438464437082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8803894809373515644.kers'
[2026-05-25 01:10:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13761991438464437082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8803894809373515644.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:10:49] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8803894809373515644.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36213 resets) in 3712 ms. (269 steps per ms)
BEST_FIRST walk for 1000001 steps (4014 resets) in 803 ms. (1243 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:10:53] [INFO ] Invariant cache hit.
[2026-05-25 01:10:53] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 01:10:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:11:03] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 12 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:11:03] [INFO ] Invariant cache hit.
[2026-05-25 01:11:03] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:11:03] [INFO ] Invariant cache hit.
[2026-05-25 01:11:03] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 509 ms to find 0 implicit places.
[2026-05-25 01:11:03] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 523 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
[2026-05-25 01:11:03] [INFO ] Flatten gal took : 12 ms
[2026-05-25 01:11:03] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:11:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality103858275014004458.gal : 3 ms
[2026-05-25 01:11:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1911525675009650598.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/ReachabilityCardinality103858275014004458.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1911525675009650598.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
Loading property file /tmp/ReachabilityCardinality1911525675009650598.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
RANDOM walk for 40000 steps (1443 resets) in 406 ms. (98 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
BEST_FIRST walk for 40004 steps (159 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1011036 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1011036 steps, saw 278629 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
[2026-05-25 01:11:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1094 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1190ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1449 resets) in 251 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (157 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1029227 steps, run timeout after 3001 ms. (steps per millisecond=342 ) properties seen :0 out of 1
Probabilistic random walk after 1029227 steps, saw 283316 distinct states, run finished after 3001 ms. (steps per millisecond=342 ) properties seen :0
[2026-05-25 01:11:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9089 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9195ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 6 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:11:20] [INFO ] Invariant cache hit.
[2026-05-25 01:11:20] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 01:11:20] [INFO ] Invariant cache hit.
[2026-05-25 01:11:20] [INFO ] Implicit Places using invariants and state equation in 476 ms returned []
Implicit Place search using SMT with State Equation took 534 ms to find 0 implicit places.
[2026-05-25 01:11:20] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 550 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:11:20] [INFO ] Flatten gal took : 9 ms
[2026-05-25 01:11:20] [INFO ] Applying decomposition
[2026-05-25 01:11:20] [INFO ] Flatten gal took : 10 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/graph17850659519503547144.txt' '-o' '/tmp/graph17850659519503547144.bin' '-w' '/tmp/graph17850659519503547144.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17850659519503547144.bin' '-l' '-1' '-v' '-w' '/tmp/graph17850659519503547144.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:11:20] [INFO ] Decomposing Gal with order
[2026-05-25 01:11:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:11:20] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:11:20] [INFO ] Flatten gal took : 19 ms
[2026-05-25 01:11:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:11:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4604767134689787465.gal : 2 ms
[2026-05-25 01:11:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9839195913725913166.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/ReachabilityCardinality4604767134689787465.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9839195913725913166.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 ...307
Loading property file /tmp/ReachabilityCardinality9839195913725913166.prop.
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,1.46555e+10,34.9329,1094148,17286,5,1.96459e+06,262,527,3.95302e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,34.949,1094148,1,0,1.96459e+06,262,529,3.95302e+06,11,241,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:11:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36182 resets) in 3680 ms. (271 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-01 in 71706 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9736289485843863776.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6612271281012847991.kers'
[2026-05-25 01:11:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9736289485843863776.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6612271281012847991.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:11:59] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-6612271281012847991.kers
Total runtime 8 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (451 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10001 steps (42 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:11:59] [INFO ] Invariant cache hit.
[2026-05-25 01:11:59] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:11:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:12:01] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 34 transition count 464
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 33 transition count 463
Applied a total of 4 rules in 15 ms. Remains 33 /34 variables (removed 1) and now considering 463/467 (removed 4) transitions.
Running 457 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4394004584586138919.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7685941337147600578.kers'
[2026-05-25 01:12:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4394004584586138919.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7685941337147600578.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 463 rows 33 cols 926 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 01:12:01] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7685941337147600578.kers
Total runtime 2 ms.
[2026-05-25 01:12:01] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 463/495 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/495 variables, 13/45 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/495 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 4 (OVERLAPS) 1/496 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/496 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 6 (OVERLAPS) 0/496 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 496/496 variables, and 46 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20010 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 463/495 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 495/496 variables, and 45 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20018 ms.
Refiners :[State Equation: 32/33 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40155ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 40156ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40173 ms. Remains : 33/34 places, 463/467 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:12:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (42527 resets) in 3920 ms. (255 steps per ms)
BEST_FIRST walk for 1000001 steps (4516 resets) in 799 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:12:45] [INFO ] Invariant cache hit.
[2026-05-25 01:12:46] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 01:12:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:12:50] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 463/463 transitions.
Applied a total of 0 rules in 9 ms. Remains 33 /33 variables (removed 0) and now considering 463/463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 33/33 places, 463/463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 463/463 transitions.
Applied a total of 0 rules in 7 ms. Remains 33 /33 variables (removed 0) and now considering 463/463 (removed 0) transitions.
[2026-05-25 01:12:50] [INFO ] Invariant cache hit.
[2026-05-25 01:12:50] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-25 01:12:50] [INFO ] Invariant cache hit.
[2026-05-25 01:12:50] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 01:12:51] [INFO ] Implicit Places using invariants and state equation in 691 ms returned [32]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 740 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 32/33 places, 458/463 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 756 ms. Remains : 32/33 places, 458/463 transitions.
findPositiveTsemiflow completed in 33 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17738643089075438677.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-873829257471223777.kers'
[2026-05-25 01:12:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17738643089075438677.kers, --Pflows, --basisKERS=/tmp/petrispot-output-873829257471223777.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 458 rows 32 cols 915 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-25 01:12:51] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-873829257471223777.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36082 resets) in 3744 ms. (267 steps per ms)
BEST_FIRST walk for 1000001 steps (4079 resets) in 799 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:12:56] [INFO ] Invariant cache hit.
[2026-05-25 01:12:56] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 01:12:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:13:00] [INFO ] [Nat]Absence check using state equation in 4547 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 11 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2026-05-25 01:13:00] [INFO ] Invariant cache hit.
[2026-05-25 01:13:00] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-25 01:13:00] [INFO ] Invariant cache hit.
[2026-05-25 01:13:00] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 01:13:01] [INFO ] Implicit Places using invariants and state equation in 588 ms returned []
Implicit Place search using SMT with State Equation took 643 ms to find 0 implicit places.
[2026-05-25 01:13:01] [INFO ] Redundant transitions in 4 ms returned []
Running 452 sub problems to find dead transitions.
[2026-05-25 01:13:01] [INFO ] Invariant cache hit.
[2026-05-25 01:13:01] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 13/44 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19622 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 44 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30022 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49746ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49747ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50410 ms. Remains : 32/32 places, 458/458 transitions.
findPositiveTsemiflow completed in 23 ms - Net is bounded UNSAT
[2026-05-25 01:13:51] [INFO ] Flatten gal took : 9 ms
[2026-05-25 01:13:51] [INFO ] Flatten gal took : 25 ms
[2026-05-25 01:13:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5341630606701715669.gal : 2 ms
[2026-05-25 01:13:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12775982944853822798.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/ReachabilityCardinality5341630606701715669.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12775982944853822798.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/ReachabilityCardinality12775982944853822798.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
RANDOM walk for 40000 steps (1442 resets) in 388 ms. (102 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 53052
BEST_FIRST walk for 40004 steps (165 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :53052 after 89532
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :89532 after 262112
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :262112 after 1.08059e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.08059e+06 after 5.77838e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5.77838e+06 after 1.38691e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.38691e+07 after 2.87678e+07
Interrupted probabilistic random walk after 1141593 steps, run timeout after 3001 ms. (steps per millisecond=380 ) properties seen :0 out of 1
Probabilistic random walk after 1141593 steps, saw 290404 distinct states, run finished after 3001 ms. (steps per millisecond=380 ) properties seen :0
[2026-05-25 01:13:54] [INFO ] Invariant cache hit.
[2026-05-25 01:13:54] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 296/325 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 161/486 variables, 15/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/490 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 13/13 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 296/325 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 161/486 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1124 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1241ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 32/32 places, 458/458 transitions.
RANDOM walk for 40000 steps (1445 resets) in 291 ms. (136 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (167 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.87678e+07 after 1.23485e+08
Interrupted probabilistic random walk after 1141100 steps, run timeout after 3001 ms. (steps per millisecond=380 ) properties seen :0 out of 1
Probabilistic random walk after 1141100 steps, saw 290282 distinct states, run finished after 3001 ms. (steps per millisecond=380 ) properties seen :0
[2026-05-25 01:13:58] [INFO ] Invariant cache hit.
[2026-05-25 01:13:58] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 296/325 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 161/486 variables, 15/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/490 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 13/13 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 296/325 variables, 14/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 161/486 variables, 15/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.23485e+08 after 2.76309e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9127 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9241ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 5 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2026-05-25 01:14:08] [INFO ] Invariant cache hit.
[2026-05-25 01:14:08] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 01:14:08] [INFO ] Invariant cache hit.
[2026-05-25 01:14:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 01:14:08] [INFO ] Implicit Places using invariants and state equation in 594 ms returned []
Implicit Place search using SMT with State Equation took 648 ms to find 0 implicit places.
[2026-05-25 01:14:08] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 667 ms. Remains : 32/32 places, 458/458 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:14:08] [INFO ] Flatten gal took : 7 ms
[2026-05-25 01:14:08] [INFO ] Applying decomposition
[2026-05-25 01:14:08] [INFO ] Flatten gal took : 7 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/graph9147773532850328159.txt' '-o' '/tmp/graph9147773532850328159.bin' '-w' '/tmp/graph9147773532850328159.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9147773532850328159.bin' '-l' '-1' '-v' '-w' '/tmp/graph9147773532850328159.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:14:08] [INFO ] Decomposing Gal with order
[2026-05-25 01:14:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:14:08] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:14:08] [INFO ] Flatten gal took : 14 ms
[2026-05-25 01:14:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:14:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13636038852841749187.gal : 1 ms
[2026-05-25 01:14:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17302816138639950187.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/ReachabilityCardinality13636038852841749187.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17302816138639950187.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/ReachabilityCardinality17302816138639950187.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 287138
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,2.21784e+10,48.9039,1493148,20560,12,2.56022e+06,275,532,5.45876e+06,15,281,0
Total reachable state count : 22178390086

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,48.9154,1493148,1,0,2.56022e+06,275,534,5.45876e+06,17,281,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-02 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:14:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36090 resets) in 3684 ms. (271 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-02 in 181775 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18039949550876592099.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1031995633972851616.kers'
[2026-05-25 01:15:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18039949550876592099.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1031995633972851616.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:15:01] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1031995633972851616.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (440 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (41 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:15:01] [INFO ] Invariant cache hit.
[2026-05-25 01:15:01] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:15:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:15:02] [INFO ] [Nat]Absence check using state equation in 1050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 18 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Running 451 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6965773687197143493.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8858868895775605392.kers'
[2026-05-25 01:15:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6965773687197143493.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8858868895775605392.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:15:02] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8858868895775605392.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11295 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20024 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31417ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31419ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31438 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
[2026-05-25 01:15:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36225 resets) in 3652 ms. (273 steps per ms)
BEST_FIRST walk for 1000001 steps (4018 resets) in 772 ms. (1293 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:15:38] [INFO ] Invariant cache hit.
[2026-05-25 01:15:38] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:15:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:15:47] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:15:47] [INFO ] Invariant cache hit.
[2026-05-25 01:15:47] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 01:15:47] [INFO ] Invariant cache hit.
[2026-05-25 01:15:48] [INFO ] Implicit Places using invariants and state equation in 474 ms returned []
Implicit Place search using SMT with State Equation took 516 ms to find 0 implicit places.
[2026-05-25 01:15:48] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 533 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 01:15:48] [INFO ] Flatten gal took : 7 ms
[2026-05-25 01:15:48] [INFO ] Flatten gal took : 16 ms
[2026-05-25 01:15:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12050831717003384659.gal : 6 ms
[2026-05-25 01:15:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17004513601100874330.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/ReachabilityCardinality12050831717003384659.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17004513601100874330.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 ...330
Loading property file /tmp/ReachabilityCardinality17004513601100874330.prop.
RANDOM walk for 40000 steps (1446 resets) in 304 ms. (131 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
BEST_FIRST walk for 40003 steps (159 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1052124 steps, run timeout after 3001 ms. (steps per millisecond=350 ) properties seen :0 out of 1
Probabilistic random walk after 1052124 steps, saw 289016 distinct states, run finished after 3001 ms. (steps per millisecond=350 ) properties seen :0
[2026-05-25 01:15:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1095 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1222ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1446 resets) in 257 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (158 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1052601 steps, run timeout after 3001 ms. (steps per millisecond=350 ) properties seen :0 out of 1
Probabilistic random walk after 1052601 steps, saw 289138 distinct states, run finished after 3001 ms. (steps per millisecond=350 ) properties seen :0
[2026-05-25 01:15:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9086 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9188ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 15 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:16:05] [INFO ] Invariant cache hit.
[2026-05-25 01:16:05] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 01:16:05] [INFO ] Invariant cache hit.
[2026-05-25 01:16:05] [INFO ] Implicit Places using invariants and state equation in 499 ms returned []
Implicit Place search using SMT with State Equation took 540 ms to find 0 implicit places.
[2026-05-25 01:16:05] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 552 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:16:05] [INFO ] Flatten gal took : 13 ms
[2026-05-25 01:16:05] [INFO ] Applying decomposition
[2026-05-25 01:16:05] [INFO ] Flatten gal took : 7 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/graph2860593883982663658.txt' '-o' '/tmp/graph2860593883982663658.bin' '-w' '/tmp/graph2860593883982663658.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2860593883982663658.bin' '-l' '-1' '-v' '-w' '/tmp/graph2860593883982663658.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:16:05] [INFO ] Decomposing Gal with order
[2026-05-25 01:16:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:16:05] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:16:05] [INFO ] Flatten gal took : 14 ms
[2026-05-25 01:16:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:16:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18116616863647987686.gal : 2 ms
[2026-05-25 01:16:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11393390938680794215.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/ReachabilityCardinality18116616863647987686.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11393390938680794215.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/ReachabilityCardinality11393390938680794215.prop.
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,1.46555e+10,34.0447,1092008,17286,5,1.96446e+06,262,527,3.94085e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,34.0609,1092008,1,0,1.96446e+06,262,529,3.94085e+06,11,241,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:16:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36194 resets) in 3655 ms. (273 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-03 in 102172 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6692505329411257966.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12253530252843617760.kers'
[2026-05-25 01:16:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6692505329411257966.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12253530252843617760.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:16:43] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12253530252843617760.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (457 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (38 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:16:43] [INFO ] Invariant cache hit.
[2026-05-25 01:16:43] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 01:16:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:16:44] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 17 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11004699872546924949.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6795675013186631446.kers'
[2026-05-25 01:16:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11004699872546924949.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6795675013186631446.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:16:45] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6795675013186631446.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36200 resets) in 3698 ms. (270 steps per ms)
BEST_FIRST walk for 1000001 steps (4014 resets) in 788 ms. (1267 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:16:49] [INFO ] Invariant cache hit.
[2026-05-25 01:16:49] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 01:16:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:16:58] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:16:58] [INFO ] Invariant cache hit.
[2026-05-25 01:16:58] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:16:58] [INFO ] Invariant cache hit.
[2026-05-25 01:16:59] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2026-05-25 01:16:59] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 511 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:16:59] [INFO ] Flatten gal took : 12 ms
[2026-05-25 01:16:59] [INFO ] Flatten gal took : 14 ms
[2026-05-25 01:16:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13219251360047428372.gal : 2 ms
[2026-05-25 01:16:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11180932536770927859.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/ReachabilityCardinality13219251360047428372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11180932536770927859.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 ...330
RANDOM walk for 40000 steps (1446 resets) in 291 ms. (136 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality11180932536770927859.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
BEST_FIRST walk for 40004 steps (159 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1057765 steps, run timeout after 3001 ms. (steps per millisecond=352 ) properties seen :0 out of 1
Probabilistic random walk after 1057765 steps, saw 290535 distinct states, run finished after 3001 ms. (steps per millisecond=352 ) properties seen :0
[2026-05-25 01:17:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 418/471 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16/487 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 418/471 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/471 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1089 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 12 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1448 resets) in 204 ms. (195 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (160 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1061490 steps, run timeout after 3001 ms. (steps per millisecond=353 ) properties seen :0 out of 1
Probabilistic random walk after 1061490 steps, saw 291531 distinct states, run finished after 3001 ms. (steps per millisecond=353 ) properties seen :0
[2026-05-25 01:17:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 418/471 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16/487 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 418/471 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/471 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9090 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9191ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:17:15] [INFO ] Invariant cache hit.
[2026-05-25 01:17:15] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 01:17:15] [INFO ] Invariant cache hit.
[2026-05-25 01:17:16] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 488 ms to find 0 implicit places.
[2026-05-25 01:17:16] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 515 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:17:16] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:17:16] [INFO ] Applying decomposition
[2026-05-25 01:17:16] [INFO ] Flatten gal took : 5 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/graph1082750049818584649.txt' '-o' '/tmp/graph1082750049818584649.bin' '-w' '/tmp/graph1082750049818584649.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1082750049818584649.bin' '-l' '-1' '-v' '-w' '/tmp/graph1082750049818584649.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:17:16] [INFO ] Decomposing Gal with order
[2026-05-25 01:17:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:17:16] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:17:16] [INFO ] Flatten gal took : 13 ms
[2026-05-25 01:17:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:17:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7317352315239124990.gal : 1 ms
[2026-05-25 01:17:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2001649458510089331.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/ReachabilityCardinality7317352315239124990.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2001649458510089331.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 ...307
Loading property file /tmp/ReachabilityCardinality2001649458510089331.prop.
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,1.46555e+10,34.7165,1091320,17286,5,1.9605e+06,262,527,3.93533e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,34.7214,1091320,1,0,1.9605e+06,262,529,3.93533e+06,11,241,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:17:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36224 resets) in 3664 ms. (272 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-04 in 71265 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2572908424015553875.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11446562586321119058.kers'
[2026-05-25 01:17:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2572908424015553875.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11446562586321119058.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:17:54] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11446562586321119058.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (436 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10001 steps (68 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:17:55] [INFO ] Invariant cache hit.
[2026-05-25 01:17:55] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 01:17:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:17:56] [INFO ] [Nat]Absence check using state equation in 1050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 34 transition count 464
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 32 transition count 462
Applied a total of 5 rules in 14 ms. Remains 32 /34 variables (removed 2) and now considering 462/467 (removed 5) transitions.
Running 457 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16521354205810318650.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7685357941750675742.kers'
[2026-05-25 01:17:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16521354205810318650.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7685357941750675742.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 462 rows 32 cols 924 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-25 01:17:56] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7685357941750675742.kers
Total runtime 3 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 11046 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20028 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31189ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 31191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31210 ms. Remains : 32/34 places, 462/467 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 01:18:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (44422 resets) in 4052 ms. (246 steps per ms)
BEST_FIRST walk for 1000001 steps (8321 resets) in 853 ms. (1170 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:18:32] [INFO ] Invariant cache hit.
[2026-05-25 01:18:32] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 01:18:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:18:41] [INFO ] [Nat]Absence check using state equation in 9060 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2026-05-25 01:18:41] [INFO ] Invariant cache hit.
[2026-05-25 01:18:41] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 01:18:41] [INFO ] Invariant cache hit.
[2026-05-25 01:18:42] [INFO ] Implicit Places using invariants and state equation in 492 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
[2026-05-25 01:18:42] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 563 ms. Remains : 32/32 places, 462/462 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
[2026-05-25 01:18:42] [INFO ] Flatten gal took : 6 ms
[2026-05-25 01:18:42] [INFO ] Flatten gal took : 9 ms
[2026-05-25 01:18:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3242631090536525030.gal : 7 ms
[2026-05-25 01:18:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1131338965440335919.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/ReachabilityCardinality3242631090536525030.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1131338965440335919.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/ReachabilityCardinality1131338965440335919.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
RANDOM walk for 40000 steps (1792 resets) in 286 ms. (139 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 42941
BEST_FIRST walk for 40004 steps (329 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :42941 after 80430
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80430 after 178354
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :178354 after 1.75892e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.75892e+06 after 4.24123e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.24123e+06 after 1.74931e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.74931e+07 after 3.89899e+07
Interrupted probabilistic random walk after 1013002 steps, run timeout after 3001 ms. (steps per millisecond=337 ) properties seen :0 out of 1
Probabilistic random walk after 1013002 steps, saw 280699 distinct states, run finished after 3001 ms. (steps per millisecond=337 ) properties seen :0
[2026-05-25 01:18:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 138/145 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/426 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/426 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/493 variables, 9/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/493 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/494 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[State Equation: 32/32 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/145 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 281/426 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 67/493 variables, 9/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3.89899e+07 after 1.87419e+08
After SMT solving in domain Int declared 494/494 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1102 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1197ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 32/32 places, 462/462 transitions.
RANDOM walk for 40000 steps (1796 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (340 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1015837 steps, run timeout after 3001 ms. (steps per millisecond=338 ) properties seen :0 out of 1
Probabilistic random walk after 1015837 steps, saw 281502 distinct states, run finished after 3001 ms. (steps per millisecond=338 ) properties seen :0
[2026-05-25 01:18:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 138/145 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/426 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/426 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/493 variables, 9/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/493 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/494 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 32/32 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/145 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 281/426 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 67/493 variables, 9/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.87419e+08 after 4.00868e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9103 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2026-05-25 01:18:58] [INFO ] Invariant cache hit.
[2026-05-25 01:18:58] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 01:18:58] [INFO ] Invariant cache hit.
[2026-05-25 01:18:59] [INFO ] Implicit Places using invariants and state equation in 490 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
[2026-05-25 01:18:59] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 554 ms. Remains : 32/32 places, 462/462 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:18:59] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:18:59] [INFO ] Applying decomposition
[2026-05-25 01:18:59] [INFO ] Flatten gal took : 6 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/graph393185665121686701.txt' '-o' '/tmp/graph393185665121686701.bin' '-w' '/tmp/graph393185665121686701.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph393185665121686701.bin' '-l' '-1' '-v' '-w' '/tmp/graph393185665121686701.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:18:59] [INFO ] Decomposing Gal with order
[2026-05-25 01:18:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:18:59] [INFO ] Removed a total of 861 redundant transitions.
[2026-05-25 01:18:59] [INFO ] Flatten gal took : 12 ms
[2026-05-25 01:18:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:18:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17588246831717763125.gal : 1 ms
[2026-05-25 01:18:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1805646701325721651.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/ReachabilityCardinality17588246831717763125.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1805646701325721651.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 ...308
Loading property file /tmp/ReachabilityCardinality1805646701325721651.prop.
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,1.56333e+10,38.071,1183244,19994,5,2.13214e+06,269,534,4.2181e+06,9,247,0
Total reachable state count : 15633324411

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,38.0739,1183244,1,0,2.13214e+06,269,536,4.2181e+06,11,247,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:19:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (44539 resets) in 3813 ms. (262 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-05 in 106536 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10126402301793726156.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2142547851619555704.kers'
[2026-05-25 01:19:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10126402301793726156.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2142547851619555704.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:19:41] [INFO ] Computed 0 invariants in 4 ms
Computed 0 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-2142547851619555704.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (443 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (45 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:19:41] [INFO ] Invariant cache hit.
[2026-05-25 01:19:41] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 01:19:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:19:42] [INFO ] [Nat]Absence check using state equation in 1056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 33 transition count 459
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 31 transition count 457
Applied a total of 11 rules in 17 ms. Remains 31 /34 variables (removed 3) and now considering 457/467 (removed 10) transitions.
Running 452 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5866025384325541435.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6288008647080267927.kers'
[2026-05-25 01:19:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5866025384325541435.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6288008647080267927.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 457 rows 31 cols 913 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:19:42] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6288008647080267927.kers
Total runtime 3 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10790 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20024 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30918ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 30920ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30939 ms. Remains : 31/34 places, 457/467 transitions.
findPositiveTsemiflow completed in 22 ms - Net is bounded UNSAT
[2026-05-25 01:20:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (37706 resets) in 3670 ms. (272 steps per ms)
BEST_FIRST walk for 1000001 steps (4230 resets) in 766 ms. (1303 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:20:18] [INFO ] Invariant cache hit.
[2026-05-25 01:20:18] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 01:20:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:20:27] [INFO ] [Nat]Absence check using state equation in 9058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:20:27] [INFO ] Invariant cache hit.
[2026-05-25 01:20:27] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-25 01:20:27] [INFO ] Invariant cache hit.
[2026-05-25 01:20:27] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
[2026-05-25 01:20:27] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 567 ms. Remains : 31/31 places, 457/457 transitions.
findPositiveTsemiflow completed in 23 ms - Net is bounded UNSAT
[2026-05-25 01:20:28] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:20:28] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:20:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality829873512149525389.gal : 1 ms
[2026-05-25 01:20:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10876235407022184145.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/ReachabilityCardinality829873512149525389.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10876235407022184145.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/ReachabilityCardinality10876235407022184145.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
RANDOM walk for 40000 steps (1508 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (169 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1025808 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1025808 steps, saw 295120 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
[2026-05-25 01:20:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/479 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 114 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/283 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/479 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1100 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1216ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 12 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 457/457 transitions.
RANDOM walk for 40000 steps (1513 resets) in 239 ms. (166 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (164 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1023673 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1023673 steps, saw 294516 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
[2026-05-25 01:20:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/479 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/283 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/479 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9103 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:20:44] [INFO ] Invariant cache hit.
[2026-05-25 01:20:44] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 01:20:44] [INFO ] Invariant cache hit.
[2026-05-25 01:20:45] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 509 ms to find 0 implicit places.
[2026-05-25 01:20:45] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 532 ms. Remains : 31/31 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:20:45] [INFO ] Flatten gal took : 6 ms
[2026-05-25 01:20:45] [INFO ] Applying decomposition
[2026-05-25 01:20:45] [INFO ] Flatten gal took : 4 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/graph8026556352623640139.txt' '-o' '/tmp/graph8026556352623640139.bin' '-w' '/tmp/graph8026556352623640139.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8026556352623640139.bin' '-l' '-1' '-v' '-w' '/tmp/graph8026556352623640139.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:20:45] [INFO ] Decomposing Gal with order
[2026-05-25 01:20:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:20:45] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:20:45] [INFO ] Flatten gal took : 15 ms
[2026-05-25 01:20:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:20:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12900453633326941755.gal : 1 ms
[2026-05-25 01:20:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16071771658490817929.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/ReachabilityCardinality12900453633326941755.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16071771658490817929.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/ReachabilityCardinality16071771658490817929.prop.
Detected timeout of ITS tools.
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-06 in 113868 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11548246368769306220.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12658928357442225205.kers'
[2026-05-25 01:21:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11548246368769306220.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12658928357442225205.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:21:35] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-12658928357442225205.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (453 resets) in 47 ms. (208 steps per ms)
BEST_FIRST walk for 10001 steps (47 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:21:35] [INFO ] Invariant cache hit.
[2026-05-25 01:21:35] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:21:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:21:36] [INFO ] [Nat]Absence check using state equation in 1052 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 32 transition count 457
Applied a total of 11 rules in 15 ms. Remains 32 /34 variables (removed 2) and now considering 457/467 (removed 10) transitions.
Running 452 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13426204888134578727.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12585752551338921300.kers'
[2026-05-25 01:21:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13426204888134578727.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12585752551338921300.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 457 rows 32 cols 914 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-25 01:21:36] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-12585752551338921300.kers
Total runtime 4 ms.
[2026-05-25 01:21:36] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19245 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20021 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39370ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39387 ms. Remains : 32/34 places, 457/467 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:22:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (34836 resets) in 3770 ms. (265 steps per ms)
BEST_FIRST walk for 1000001 steps (3925 resets) in 814 ms. (1226 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:22:20] [INFO ] Invariant cache hit.
[2026-05-25 01:22:20] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 01:22:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:22:25] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:22:25] [INFO ] Invariant cache hit.
[2026-05-25 01:22:25] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-25 01:22:25] [INFO ] Invariant cache hit.
[2026-05-25 01:22:25] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 01:22:26] [INFO ] Implicit Places using invariants and state equation in 695 ms returned []
Implicit Place search using SMT with State Equation took 742 ms to find 0 implicit places.
[2026-05-25 01:22:26] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 763 ms. Remains : 32/32 places, 457/457 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:22:26] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:22:26] [INFO ] Flatten gal took : 6 ms
[2026-05-25 01:22:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7244673954181609646.gal : 1 ms
[2026-05-25 01:22:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9815528251250651994.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/ReachabilityCardinality7244673954181609646.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9815528251250651994.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/ReachabilityCardinality9815528251250651994.prop.
RANDOM walk for 40000 steps (1391 resets) in 242 ms. (164 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 68
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :68 after 574
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :574 after 1301
BEST_FIRST walk for 40004 steps (156 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1301 after 4239
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4239 after 11806
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11806 after 25716
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :25716 after 109769
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :109769 after 251651
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :251651 after 1.12293e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.12293e+06 after 6.12081e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.12081e+06 after 2.50621e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.50621e+07 after 5.78961e+07
Interrupted probabilistic random walk after 1124816 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1124816 steps, saw 291920 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
[2026-05-25 01:22:29] [INFO ] Invariant cache hit.
[2026-05-25 01:22:29] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 335/369 variables, 17/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/489 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 335/369 variables, 17/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/369 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5.78961e+07 after 2.60471e+08
After SMT solving in domain Int declared 489/489 variables, and 49 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1099 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1215ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 40000 steps (1396 resets) in 227 ms. (175 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (156 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1058148 steps, run timeout after 3001 ms. (steps per millisecond=352 ) properties seen :0 out of 1
Probabilistic random walk after 1058148 steps, saw 274212 distinct states, run finished after 3001 ms. (steps per millisecond=352 ) properties seen :0
[2026-05-25 01:22:33] [INFO ] Invariant cache hit.
[2026-05-25 01:22:33] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 335/369 variables, 17/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 120/489 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 1 unsolved in 109 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 335/369 variables, 17/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/369 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/369 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.60471e+08 after 5.51431e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 49 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9094 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9206ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 14 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 4 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:22:42] [INFO ] Invariant cache hit.
[2026-05-25 01:22:42] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-25 01:22:42] [INFO ] Invariant cache hit.
[2026-05-25 01:22:42] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 01:22:43] [INFO ] Implicit Places using invariants and state equation in 681 ms returned []
Implicit Place search using SMT with State Equation took 739 ms to find 0 implicit places.
[2026-05-25 01:22:43] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 764 ms. Remains : 32/32 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:22:43] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:22:43] [INFO ] Applying decomposition
[2026-05-25 01:22:43] [INFO ] Flatten gal took : 5 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/graph17703108728960898820.txt' '-o' '/tmp/graph17703108728960898820.bin' '-w' '/tmp/graph17703108728960898820.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17703108728960898820.bin' '-l' '-1' '-v' '-w' '/tmp/graph17703108728960898820.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:22:43] [INFO ] Decomposing Gal with order
[2026-05-25 01:22:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:22:43] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:22:43] [INFO ] Flatten gal took : 12 ms
[2026-05-25 01:22:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:22:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15868351644875340171.gal : 2 ms
[2026-05-25 01:22:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8786925750891345034.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/ReachabilityCardinality15868351644875340171.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8786925750891345034.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 ...308
Loading property file /tmp/ReachabilityCardinality8786925750891345034.prop.
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,2.13358e+10,37.8173,1089544,17290,9,1.96023e+06,272,532,3.92231e+06,14,255,0
Total reachable state count : 21335842252

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,37.8411,1089544,1,0,1.96023e+06,272,534,3.92231e+06,16,255,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-08 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:23:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (34852 resets) in 3621 ms. (276 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-08 in 109905 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9937936844110300230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4299219764326801365.kers'
[2026-05-25 01:23:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9937936844110300230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4299219764326801365.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:23:25] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4299219764326801365.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (441 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (42 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:23:25] [INFO ] Invariant cache hit.
[2026-05-25 01:23:25] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 01:23:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:23:26] [INFO ] [Nat]Absence check using state equation in 1047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 14 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Running 451 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11653531728476067081.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14536708990867392217.kers'
[2026-05-25 01:23:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11653531728476067081.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14536708990867392217.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:23:26] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14536708990867392217.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11644 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20018 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31761ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31763ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31778 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:23:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36209 resets) in 3673 ms. (272 steps per ms)
BEST_FIRST walk for 1000001 steps (4007 resets) in 768 ms. (1300 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:24:02] [INFO ] Invariant cache hit.
[2026-05-25 01:24:02] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 01:24:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:24:11] [INFO ] [Nat]Absence check using state equation in 9045 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:24:11] [INFO ] Invariant cache hit.
[2026-05-25 01:24:12] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 01:24:12] [INFO ] Invariant cache hit.
[2026-05-25 01:24:12] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 553 ms to find 0 implicit places.
[2026-05-25 01:24:12] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 577 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 18 ms - Net is bounded UNSAT
[2026-05-25 01:24:12] [INFO ] Flatten gal took : 6 ms
[2026-05-25 01:24:12] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:24:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10719024565456309960.gal : 2 ms
[2026-05-25 01:24:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13814073460051495092.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/ReachabilityCardinality10719024565456309960.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13814073460051495092.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 ...330
Loading property file /tmp/ReachabilityCardinality13814073460051495092.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
RANDOM walk for 40000 steps (1446 resets) in 273 ms. (145 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (160 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1049584 steps, run timeout after 3001 ms. (steps per millisecond=349 ) properties seen :0 out of 1
Probabilistic random walk after 1049584 steps, saw 288366 distinct states, run finished after 3001 ms. (steps per millisecond=349 ) properties seen :0
[2026-05-25 01:24:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 135/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1179ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1446 resets) in 331 ms. (120 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (159 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1010656 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1010656 steps, saw 278516 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
[2026-05-25 01:24:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 135/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9086 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9201ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:24:29] [INFO ] Invariant cache hit.
[2026-05-25 01:24:29] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 01:24:29] [INFO ] Invariant cache hit.
[2026-05-25 01:24:29] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 542 ms to find 0 implicit places.
[2026-05-25 01:24:29] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 566 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:24:29] [INFO ] Flatten gal took : 14 ms
[2026-05-25 01:24:29] [INFO ] Applying decomposition
[2026-05-25 01:24:29] [INFO ] Flatten gal took : 4 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/graph11240089912989702359.txt' '-o' '/tmp/graph11240089912989702359.bin' '-w' '/tmp/graph11240089912989702359.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11240089912989702359.bin' '-l' '-1' '-v' '-w' '/tmp/graph11240089912989702359.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:24:29] [INFO ] Decomposing Gal with order
[2026-05-25 01:24:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:24:29] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:24:29] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:24:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:24:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7402302549388304412.gal : 1 ms
[2026-05-25 01:24:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17137896126326398576.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/ReachabilityCardinality7402302549388304412.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17137896126326398576.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 ...308
Loading property file /tmp/ReachabilityCardinality17137896126326398576.prop.
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,1.46555e+10,37.3786,1137656,17286,5,2.04228e+06,262,527,4.14174e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,37.3812,1137656,1,0,2.04228e+06,262,529,4.14174e+06,11,241,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-09 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:25:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36202 resets) in 3621 ms. (276 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-09 in 105756 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14330296505577289453.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3836576088434943398.kers'
[2026-05-25 01:25:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14330296505577289453.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3836576088434943398.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:25:11] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3836576088434943398.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (444 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10001 steps (41 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:25:11] [INFO ] Invariant cache hit.
[2026-05-25 01:25:11] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 01:25:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:25:12] [INFO ] [Nat]Absence check using state equation in 1049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 33 transition count 459
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 31 transition count 457
Applied a total of 11 rules in 14 ms. Remains 31 /34 variables (removed 3) and now considering 457/467 (removed 10) transitions.
Running 452 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8843492010152323708.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8825796716030840437.kers'
[2026-05-25 01:25:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8843492010152323708.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8825796716030840437.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 457 rows 31 cols 913 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:25:12] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8825796716030840437.kers
Total runtime 2 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10716 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20022 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30870ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 30871ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30886 ms. Remains : 31/34 places, 457/467 transitions.
findPositiveTsemiflow completed in 22 ms - Net is bounded UNSAT
[2026-05-25 01:25:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (37702 resets) in 3703 ms. (269 steps per ms)
BEST_FIRST walk for 1000001 steps (4219 resets) in 760 ms. (1314 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:25:47] [INFO ] Invariant cache hit.
[2026-05-25 01:25:47] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 01:25:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:25:56] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 7 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:25:56] [INFO ] Invariant cache hit.
[2026-05-25 01:25:56] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:25:56] [INFO ] Invariant cache hit.
[2026-05-25 01:25:57] [INFO ] Implicit Places using invariants and state equation in 494 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
[2026-05-25 01:25:57] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 562 ms. Remains : 31/31 places, 457/457 transitions.
findPositiveTsemiflow completed in 22 ms - Net is bounded UNSAT
[2026-05-25 01:25:57] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:25:57] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:25:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality364083148488200015.gal : 2 ms
[2026-05-25 01:25:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1695040620006747069.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/ReachabilityCardinality364083148488200015.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1695040620006747069.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
Loading property file /tmp/ReachabilityCardinality1695040620006747069.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
RANDOM walk for 40000 steps (1507 resets) in 257 ms. (155 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (162 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1023723 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 1
Probabilistic random walk after 1023723 steps, saw 294256 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
[2026-05-25 01:26:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 295/323 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/323 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 161/484 variables, 15/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/484 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/488 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 295/323 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/323 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 161/484 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/484 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1110 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1242ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 31/31 places, 457/457 transitions.
RANDOM walk for 40000 steps (1507 resets) in 234 ms. (170 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (165 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 985450 steps, run timeout after 3001 ms. (steps per millisecond=328 ) properties seen :0 out of 1
Probabilistic random walk after 985450 steps, saw 283422 distinct states, run finished after 3001 ms. (steps per millisecond=328 ) properties seen :0
[2026-05-25 01:26:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 295/323 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/323 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 161/484 variables, 15/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/484 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 4/488 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 27/28 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 295/323 variables, 13/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/323 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 161/484 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/484 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9095 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9220ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 6 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:26:14] [INFO ] Invariant cache hit.
[2026-05-25 01:26:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:26:14] [INFO ] Invariant cache hit.
[2026-05-25 01:26:14] [INFO ] Implicit Places using invariants and state equation in 466 ms returned []
Implicit Place search using SMT with State Equation took 516 ms to find 0 implicit places.
[2026-05-25 01:26:14] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 530 ms. Remains : 31/31 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:26:14] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:26:14] [INFO ] Applying decomposition
[2026-05-25 01:26:14] [INFO ] Flatten gal took : 9 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/graph6626926743411995873.txt' '-o' '/tmp/graph6626926743411995873.bin' '-w' '/tmp/graph6626926743411995873.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6626926743411995873.bin' '-l' '-1' '-v' '-w' '/tmp/graph6626926743411995873.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:26:14] [INFO ] Decomposing Gal with order
[2026-05-25 01:26:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:26:14] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:26:14] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:26:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:26:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10603461589140642629.gal : 1 ms
[2026-05-25 01:26:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8439218347855330935.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/ReachabilityCardinality10603461589140642629.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8439218347855330935.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 ...308
Loading property file /tmp/ReachabilityCardinality8439218347855330935.prop.
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,1.51513e+10,41.9942,1323904,23652,8,2.2928e+06,263,530,4.73118e+06,10,263,0
Total reachable state count : 15151261128

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,41.9969,1323904,1,0,2.2928e+06,263,532,4.73118e+06,12,263,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:26:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (37657 resets) in 3665 ms. (272 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-10 in 109604 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11796070202156502726.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9084076075892302103.kers'
[2026-05-25 01:27:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11796070202156502726.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9084076075892302103.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:27:00] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9084076075892302103.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (460 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10000 steps (47 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:27:00] [INFO ] Invariant cache hit.
[2026-05-25 01:27:00] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 01:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:27:01] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 33 transition count 459
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 31 transition count 457
Applied a total of 11 rules in 6 ms. Remains 31 /34 variables (removed 3) and now considering 457/467 (removed 10) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 31/34 places, 457/467 transitions.
findPositiveTsemiflow completed in 23 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17900261913222277165.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4656950230917158528.kers'
[2026-05-25 01:27:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17900261913222277165.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4656950230917158528.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 457 rows 31 cols 913 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:27:01] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4656950230917158528.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (37742 resets) in 3683 ms. (271 steps per ms)
BEST_FIRST walk for 1000001 steps (4278 resets) in 767 ms. (1302 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:27:06] [INFO ] Invariant cache hit.
[2026-05-25 01:27:06] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 01:27:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:27:15] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:27:15] [INFO ] Invariant cache hit.
[2026-05-25 01:27:15] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 01:27:15] [INFO ] Invariant cache hit.
[2026-05-25 01:27:16] [INFO ] Implicit Places using invariants and state equation in 485 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
[2026-05-25 01:27:16] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 558 ms. Remains : 31/31 places, 457/457 transitions.
findPositiveTsemiflow completed in 23 ms - Net is bounded UNSAT
[2026-05-25 01:27:16] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:27:16] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:27:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17425835471035305843.gal : 1 ms
[2026-05-25 01:27:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16493564737834033134.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/ReachabilityCardinality17425835471035305843.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16493564737834033134.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 ...330
Loading property file /tmp/ReachabilityCardinality16493564737834033134.prop.
RANDOM walk for 40000 steps (1502 resets) in 263 ms. (151 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
BEST_FIRST walk for 40004 steps (165 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1017235 steps, run timeout after 3001 ms. (steps per millisecond=338 ) properties seen :0 out of 1
Probabilistic random walk after 1017235 steps, saw 292782 distinct states, run finished after 3001 ms. (steps per millisecond=338 ) properties seen :0
[2026-05-25 01:27:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 230/479 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/249 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 230/479 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1117 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1224ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 457/457 transitions.
RANDOM walk for 40000 steps (1512 resets) in 287 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (169 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1022017 steps, run timeout after 3001 ms. (steps per millisecond=340 ) properties seen :0 out of 1
Probabilistic random walk after 1022017 steps, saw 294058 distinct states, run finished after 3001 ms. (steps per millisecond=340 ) properties seen :0
[2026-05-25 01:27:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 230/479 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/249 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 230/479 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9126 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9250ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-25 01:27:32] [INFO ] Invariant cache hit.
[2026-05-25 01:27:32] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:27:33] [INFO ] Invariant cache hit.
[2026-05-25 01:27:33] [INFO ] Implicit Places using invariants and state equation in 523 ms returned []
Implicit Place search using SMT with State Equation took 574 ms to find 0 implicit places.
[2026-05-25 01:27:33] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 591 ms. Remains : 31/31 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:27:33] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:27:33] [INFO ] Applying decomposition
[2026-05-25 01:27:33] [INFO ] Flatten gal took : 4 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/graph263061605149123267.txt' '-o' '/tmp/graph263061605149123267.bin' '-w' '/tmp/graph263061605149123267.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph263061605149123267.bin' '-l' '-1' '-v' '-w' '/tmp/graph263061605149123267.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:27:33] [INFO ] Decomposing Gal with order
[2026-05-25 01:27:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:27:33] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:27:33] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:27:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:27:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16245645694039543439.gal : 1 ms
[2026-05-25 01:27:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3235886397489265803.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/ReachabilityCardinality16245645694039543439.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3235886397489265803.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 ...308
Loading property file /tmp/ReachabilityCardinality3235886397489265803.prop.
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,1.51515e+10,43.0087,1397496,23588,8,2.45276e+06,263,530,4.98818e+06,10,260,0
Total reachable state count : 15151465261

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,43.0114,1397496,1,0,2.45276e+06,263,532,4.98818e+06,12,260,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:28:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (37755 resets) in 3612 ms. (276 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-11 in 79790 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10490562071061819640.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8809017630999740236.kers'
[2026-05-25 01:28:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10490562071061819640.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8809017630999740236.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:28:20] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8809017630999740236.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (445 resets) in 48 ms. (204 steps per ms)
BEST_FIRST walk for 10001 steps (43 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:28:20] [INFO ] Invariant cache hit.
[2026-05-25 01:28:20] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:28:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:28:21] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 14 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Running 451 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10331690570720067217.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2861496325388099654.kers'
[2026-05-25 01:28:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10331690570720067217.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2861496325388099654.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:28:21] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2861496325388099654.kers
Total runtime 2 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11199 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20022 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31325ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31326ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31345 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 19 ms - Net is bounded UNSAT
[2026-05-25 01:28:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36185 resets) in 3616 ms. (276 steps per ms)
BEST_FIRST walk for 1000001 steps (4022 resets) in 777 ms. (1285 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:28:57] [INFO ] Invariant cache hit.
[2026-05-25 01:28:57] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 01:28:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:29:06] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:29:06] [INFO ] Invariant cache hit.
[2026-05-25 01:29:06] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 01:29:06] [INFO ] Invariant cache hit.
[2026-05-25 01:29:07] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 511 ms to find 0 implicit places.
[2026-05-25 01:29:07] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 528 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 01:29:07] [INFO ] Flatten gal took : 9 ms
[2026-05-25 01:29:07] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:29:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17005020279960735330.gal : 1 ms
[2026-05-25 01:29:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14404975041493664939.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/ReachabilityCardinality17005020279960735330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14404975041493664939.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 ...330
Loading property file /tmp/ReachabilityCardinality14404975041493664939.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
RANDOM walk for 40000 steps (1441 resets) in 295 ms. (135 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40003 steps (160 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1055295 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 1
Probabilistic random walk after 1055295 steps, saw 289822 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
[2026-05-25 01:29:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1075 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1179ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 7 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1452 resets) in 279 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (159 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1054553 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 1
Probabilistic random walk after 1054553 steps, saw 289629 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
[2026-05-25 01:29:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9080 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9191ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:29:23] [INFO ] Invariant cache hit.
[2026-05-25 01:29:23] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-25 01:29:23] [INFO ] Invariant cache hit.
[2026-05-25 01:29:24] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 518 ms to find 0 implicit places.
SDD proceeding with computation,1 properties remain. new max is 131072
[2026-05-25 01:29:24] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 532 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Bad file descriptor
at java.base/java.io.FileInputStream.available0(Native Method)
at java.base/java.io.FileInputStream.available(FileInputStream.java:473)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:428)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-25 01:29:24] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:29:24] [INFO ] Applying decomposition
[2026-05-25 01:29:24] [INFO ] Flatten gal took : 6 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/graph13818500415248443670.txt' '-o' '/tmp/graph13818500415248443670.bin' '-w' '/tmp/graph13818500415248443670.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13818500415248443670.bin' '-l' '-1' '-v' '-w' '/tmp/graph13818500415248443670.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:29:24] [INFO ] Decomposing Gal with order
[2026-05-25 01:29:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:29:24] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:29:24] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:29:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 01:29:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6914448364671848831.gal : 1 ms
[2026-05-25 01:29:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2321657621198033731.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/ReachabilityCardinality6914448364671848831.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2321657621198033731.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 ...307
Loading property file /tmp/ReachabilityCardinality2321657621198033731.prop.
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,1.46555e+10,35.5431,1136236,17286,5,2.04856e+06,262,527,4.09644e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,35.5587,1136236,1,0,2.04856e+06,262,529,4.09644e+06,11,241,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:30:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36228 resets) in 3658 ms. (273 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-13 in 103474 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3097024764981754439.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5289857434588717294.kers'
[2026-05-25 01:30:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3097024764981754439.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5289857434588717294.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:30:03] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5289857434588717294.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (458 resets) in 46 ms. (212 steps per ms)
BEST_FIRST walk for 10001 steps (45 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:30:03] [INFO ] Invariant cache hit.
[2026-05-25 01:30:04] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 01:30:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:30:05] [INFO ] [Nat]Absence check using state equation in 1056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 7 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2709486964856706356.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3108558772623603493.kers'
[2026-05-25 01:30:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2709486964856706356.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3108558772623603493.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:30:05] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3108558772623603493.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36214 resets) in 3682 ms. (271 steps per ms)
BEST_FIRST walk for 1000001 steps (4010 resets) in 789 ms. (1265 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:30:09] [INFO ] Invariant cache hit.
[2026-05-25 01:30:09] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 01:30:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:30:18] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 7 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:30:18] [INFO ] Invariant cache hit.
[2026-05-25 01:30:18] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 01:30:18] [INFO ] Invariant cache hit.
[2026-05-25 01:30:19] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 488 ms to find 0 implicit places.
[2026-05-25 01:30:19] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 505 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 01:30:19] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:30:19] [INFO ] Flatten gal took : 22 ms
[2026-05-25 01:30:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7453983707828125862.gal : 1 ms
[2026-05-25 01:30:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15713548667056600763.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/ReachabilityCardinality7453983707828125862.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15713548667056600763.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/ReachabilityCardinality15713548667056600763.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
RANDOM walk for 40000 steps (1449 resets) in 235 ms. (169 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40003 steps (158 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1062790 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1062790 steps, saw 291883 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2026-05-25 01:30:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 316/345 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/345 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/487 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 316/345 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/345 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/345 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1094 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1441 resets) in 269 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (158 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1061061 steps, run timeout after 3001 ms. (steps per millisecond=353 ) properties seen :0 out of 1
Probabilistic random walk after 1061061 steps, saw 291426 distinct states, run finished after 3001 ms. (steps per millisecond=353 ) properties seen :0
[2026-05-25 01:30:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 316/345 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/345 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 142/487 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/29 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 316/345 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/345 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/345 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9100 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9236ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:30:36] [INFO ] Invariant cache hit.
[2026-05-25 01:30:36] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 01:30:36] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
[2026-05-25 01:30:36] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 513 ms to find 0 implicit places.
[2026-05-25 01:30:36] [INFO ] Redundant transitions in 10 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 532 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:30:36] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:30:36] [INFO ] Applying decomposition
[2026-05-25 01:30:36] [INFO ] Flatten gal took : 4 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/graph865480966323932534.txt' '-o' '/tmp/graph865480966323932534.bin' '-w' '/tmp/graph865480966323932534.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph865480966323932534.bin' '-l' '-1' '-v' '-w' '/tmp/graph865480966323932534.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:30:36] [INFO ] Decomposing Gal with order
[2026-05-25 01:30:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:30:36] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:30:36] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:30:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:30:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8722263710920061916.gal : 1 ms
[2026-05-25 01:30:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4871330360456004442.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/ReachabilityCardinality8722263710920061916.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4871330360456004442.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 ...307
Loading property file /tmp/ReachabilityCardinality4871330360456004442.prop.
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,1.46555e+10,42.2256,1105860,17286,5,1.98292e+06,262,527,4.02491e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,42.241,1105860,1,0,1.98292e+06,262,529,4.02491e+06,11,241,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:31:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36259 resets) in 3570 ms. (280 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-14 in 78772 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4998832763882454902.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18218807022617427135.kers'
[2026-05-25 01:31:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4998832763882454902.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18218807022617427135.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 467 rows 34 cols 931 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-25 01:31:22] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-18218807022617427135.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 10000 steps (453 resets) in 46 ms. (212 steps per ms)
BEST_FIRST walk for 10001 steps (44 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:31:22] [INFO ] Invariant cache hit.
[2026-05-25 01:31:22] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 01:31:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:31:23] [INFO ] [Nat]Absence check using state equation in 1048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Graph (complete) has 464 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 33 transition count 458
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 31 transition count 456
Applied a total of 12 rules in 14 ms. Remains 31 /34 variables (removed 3) and now considering 456/467 (removed 11) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 31/34 places, 456/467 transitions.
findPositiveTsemiflow completed in 25 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1118979428205668668.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15365891724152134634.kers'
[2026-05-25 01:31:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1118979428205668668.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15365891724152134634.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 456 rows 31 cols 912 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-25 01:31:24] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15365891724152134634.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36222 resets) in 3669 ms. (272 steps per ms)
BEST_FIRST walk for 1000001 steps (4014 resets) in 762 ms. (1310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 01:31:28] [INFO ] Invariant cache hit.
[2026-05-25 01:31:28] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-25 01:31:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:31:37] [INFO ] [Nat]Absence check using state equation in 9046 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:31:37] [INFO ] Invariant cache hit.
[2026-05-25 01:31:37] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-25 01:31:37] [INFO ] Invariant cache hit.
[2026-05-25 01:31:38] [INFO ] Implicit Places using invariants and state equation in 492 ms returned []
Implicit Place search using SMT with State Equation took 545 ms to find 0 implicit places.
[2026-05-25 01:31:38] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 562 ms. Remains : 31/31 places, 456/456 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 01:31:38] [INFO ] Flatten gal took : 11 ms
[2026-05-25 01:31:38] [INFO ] Flatten gal took : 18 ms
[2026-05-25 01:31:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11580009653511866911.gal : 1 ms
[2026-05-25 01:31:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12714694541606036373.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/ReachabilityCardinality11580009653511866911.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12714694541606036373.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 ...330
Loading property file /tmp/ReachabilityCardinality12714694541606036373.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
RANDOM walk for 40000 steps (1454 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
BEST_FIRST walk for 40003 steps (157 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1065196 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 1
Probabilistic random walk after 1065196 steps, saw 292471 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2026-05-25 01:31:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 283/395 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 92/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 283/395 variables, 13/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1078 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1445 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (157 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 983424 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 1
Probabilistic random walk after 983424 steps, saw 271036 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
[2026-05-25 01:31:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 283/395 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 92/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 31/31 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 283/395 variables, 13/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9086 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9183ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2026-05-25 01:31:54] [INFO ] Invariant cache hit.
[2026-05-25 01:31:54] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 01:31:54] [INFO ] Invariant cache hit.
[2026-05-25 01:31:55] [INFO ] Implicit Places using invariants and state equation in 490 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
[2026-05-25 01:31:55] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 553 ms. Remains : 31/31 places, 456/456 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 01:31:55] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:31:55] [INFO ] Applying decomposition
[2026-05-25 01:31:55] [INFO ] Flatten gal took : 4 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/graph8681681738543871933.txt' '-o' '/tmp/graph8681681738543871933.bin' '-w' '/tmp/graph8681681738543871933.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8681681738543871933.bin' '-l' '-1' '-v' '-w' '/tmp/graph8681681738543871933.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:31:55] [INFO ] Decomposing Gal with order
[2026-05-25 01:31:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:31:55] [INFO ] Removed a total of 850 redundant transitions.
[2026-05-25 01:31:55] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:31:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:31:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18062565446664404811.gal : 2 ms
[2026-05-25 01:31:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15400456853148151720.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/ReachabilityCardinality18062565446664404811.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15400456853148151720.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/ReachabilityCardinality15400456853148151720.prop.
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,1.46555e+10,34.5696,1085780,17286,5,1.95335e+06,262,527,3.91342e+06,9,241,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,0,34.5858,1085780,1,0,1.95335e+06,262,529,3.91342e+06,11,241,0
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-15 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 01:32:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (36227 resets) in 3553 ms. (281 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-15 in 71061 ms.
[2026-05-25 01:32:33] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:32:33] [INFO ] Applying decomposition
[2026-05-25 01:32:33] [INFO ] Flatten gal took : 4 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/graph12430412119488774608.txt' '-o' '/tmp/graph12430412119488774608.bin' '-w' '/tmp/graph12430412119488774608.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12430412119488774608.bin' '-l' '-1' '-v' '-w' '/tmp/graph12430412119488774608.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:32:33] [INFO ] Decomposing Gal with order
[2026-05-25 01:32:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:32:33] [INFO ] Removed a total of 861 redundant transitions.
[2026-05-25 01:32:33] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:32:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:32:33] [INFO ] Time to serialize gal into /tmp/UpperBounds9694869646622670794.gal : 1 ms
[2026-05-25 01:32:33] [INFO ] Time to serialize properties into /tmp/UpperBounds18446743295622828056.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/UpperBounds9694869646622670794.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18446743295622828056.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 ...284
Loading property file /tmp/UpperBounds18446743295622828056.prop.
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,3.56279e+10,48.6827,1454892,25965,13,2.5832e+06,285,544,5.12034e+06,14,302,0
Total reachable state count : 35627859634

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property DNAwalker-PT-16redondantChoiceR-UpperBounds-06 :0 <= u20.A21 <= 2
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-16redondantChoiceR-UpperBounds-06,0,49.5521,1454892,1,0,2.5832e+06,285,738,5.12034e+06,23,302,869
Total runtime 1924552 ms.

BK_STOP 1779672803531

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="DNAwalker-PT-16redondantChoiceR"
export BK_EXAMINATION="UpperBounds"
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 DNAwalker-PT-16redondantChoiceR, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695800837"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;