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.r194-tall-177969914400829.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PGCD-PT-D03N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914400829
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.9K Mar 8 14:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 8 14:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 8 14:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 8 14:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 16 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 16 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 8 14:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Mar 8 14:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 8 14:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 8 14:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 7.4K 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 PGCD-PT-D03N050-UpperBounds-00
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-01
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-02
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-03
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-04
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-05
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-06
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-07
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-08
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-09
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-10
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-11
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-12
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-13
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-14
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779838842904

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D03N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-26 23:40:44] [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]
[2026-05-26 23:40:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 23:40:44] [INFO ] Load time of PNML (sax parser for PT used): 29 ms
[2026-05-26 23:40:44] [INFO ] Transformed 12 places.
[2026-05-26 23:40:44] [INFO ] Transformed 12 transitions.
[2026-05-26 23:40:44] [INFO ] Parsed PT model containing 12 places and 12 transitions and 56 arcs in 113 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 11
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 50, 1, 50, 1, 50, 1, 1, 1, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 50, 1, 50, 1, 50, 1, 1, 1, 50] Max Struct:[+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-888569429984012716.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7861195603015537217.kers'
[2026-05-26 23:40:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-888569429984012716.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7861195603015537217.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 23:40:44] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7861195603015537217.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 50, 1, 50, 1, 50, 1, 1, 1, 50] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 10032 steps (2 resets) in 10 ms. (912 steps per ms)
BEST_FIRST walk for 110007 steps (22 resets) in 98 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[83, 101, 151, 99, 151, 83, 151, 101, 101, 99, 151] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2026-05-26 23:40:44] [INFO ] Invariant cache hit.
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-26 23:40:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-26 23:40:44] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 23:40:44] [INFO ] Added : 0 causal constraints over 0 iterations in 18 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:44] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 21 ms.
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:44] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 24 ms.
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-26 23:40:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2026-05-26 23:40:44] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:44] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 25 ms.
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 5 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-26 23:40:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:44] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2026-05-26 23:40:44] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:40:45] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 29 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 6 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:45] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:45] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 19 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:45] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 18 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:45] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 16 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:40:45] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 24 ms.
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-26 23:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:45] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[83, 101, 151, 99, 151, 83, 151, 101, 101, 99, 151] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[201, 201, 195, 201, 199, 201, 197, 201, 198, 201, 199] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
Support contains 11 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 16 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2026-05-26 23:40:46] [INFO ] Invariant cache hit.
[2026-05-26 23:40:46] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 21 constraints, problems are : Problem set: 0 solved, 4 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 186ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 231 ms. Remains : 12/12 places, 12/12 transitions.
[2026-05-26 23:40:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[201, 201, 195, 201, 199, 201, 197, 201, 198, 201, 199] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 1000019 steps (2 resets) in 183 ms. (5434 steps per ms)
BEST_FIRST walk for 11000008 steps (22 resets) in 2871 ms. (3830 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201, 201, 195, 201, 199, 201, 197, 201, 198, 201, 199] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2026-05-26 23:40:49] [INFO ] Invariant cache hit.
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:49] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:49] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned unsat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-26 23:40:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 23:40:49] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 13 ms returned unsat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-26 23:40:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:49] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Nat]Absence check using state equation in 14 ms returned unsat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-26 23:40:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:50] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:50] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 17 ms.
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-26 23:40:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-26 23:40:50] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:50] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:50] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201, 201, 195, 201, 199, 201, 197, 201, 198, 201, 199] Max Struct:[201, 201, 204, 201, 204, 201, 204, 201, 204, 201, 204]
FORMULA PGCD-PT-D03N050-UpperBounds-13 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-08 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-05 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-03 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-01 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-09 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-11 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-00 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197, 199, 197, 201, 199] Max Struct:[204, 204, 204, 204, 204]
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
[2026-05-26 23:40:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197, 199, 197, 201, 199] Max Struct:[204, 204, 204, 204, 204]
RANDOM walk for 1000058 steps (2 resets) in 140 ms. (7092 steps per ms)
BEST_FIRST walk for 5000005 steps (10 resets) in 1185 ms. (4215 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197, 199, 197, 201, 199] Max Struct:[204, 204, 204, 204, 204]
[2026-05-26 23:40:51] [INFO ] Invariant cache hit.
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:51] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:51] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:40:51] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 23:40:51] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:51] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:40:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2026-05-26 23:40:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 23:40:51] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:51] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Nat]Absence check using state equation in 33 ms returned unsat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-26 23:40:51] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:52] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:52] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:52] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:52] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 23:40:52] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197, 199, 197, 201, 199] Max Struct:[204, 204, 204, 201, 204]
FORMULA PGCD-PT-D03N050-UpperBounds-14 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-10 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
[2026-05-26 23:40:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
RANDOM walk for 1000051 steps (2 resets) in 134 ms. (7407 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 948 ms. (4214 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
[2026-05-26 23:40:53] [INFO ] Invariant cache hit.
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:40:53] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:53] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-26 23:40:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:53] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-26 23:40:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:40:53] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 11 ms.
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:40:53] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:40:53] [INFO ] Invariant cache hit.
[2026-05-26 23:40:53] [INFO ] Implicit Places using invariants in 30 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 33 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 34 ms. Remains : 8/12 places, 12/12 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8185737019794671694.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16449809275583067483.kers'
[2026-05-26 23:40:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8185737019794671694.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16449809275583067483.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 8 cols 32 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-26 23:40:53] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16449809275583067483.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
RANDOM walk for 1000002 steps (2 resets) in 113 ms. (8771 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 748 ms. (5340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
[2026-05-26 23:40:54] [INFO ] Invariant cache hit.
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:40:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:40:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:54] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:54] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:40:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:40:54] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:40:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:40:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:40:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-26 23:40:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 23:40:54] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:40:54] [INFO ] Invariant cache hit.
[2026-05-26 23:40:54] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 23:40:54] [INFO ] Invariant cache hit.
[2026-05-26 23:40:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:40:54] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-26 23:40:54] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-26 23:40:54] [INFO ] Invariant cache hit.
[2026-05-26 23:40:54] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 113ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40107 steps (8 resets) in 168 ms. (237 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 201 ms. (198 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 165 ms. (240 steps per ms) remains 8/8 properties
[2026-05-26 23:40:55] [INFO ] Flatten gal took : 26 ms
[2026-05-26 23:40:55] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:40:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10150210740967240514.gal : 14 ms
BEST_FIRST walk for 40003 steps (8 resets) in 154 ms. (258 steps per ms) remains 8/8 properties
[2026-05-26 23:40:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18168741886819886517.prop : 2 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/ReachabilityCardinality10150210740967240514.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18168741886819886517.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/ReachabilityCardinality18168741886819886517.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40003 steps (8 resets) in 71 ms. (555 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 392385 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 8
Probabilistic random walk after 392385 steps, saw 223582 distinct states, run finished after 3012 ms. (steps per millisecond=130 ) properties seen :0
[2026-05-26 23:40:58] [INFO ] Invariant cache hit.
[2026-05-26 23:40:58] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 4 solved, 4 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 4 solved, 4 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 198ms problems are : Problem set: 4 solved, 4 unsolved
Parikh walk visited 0 properties in 2865 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40115 steps (8 resets) in 28 ms. (1383 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 62 ms. (634 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 4/4 properties
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Interrupted probabilistic random walk after 515152 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 4
Probabilistic random walk after 515152 steps, saw 290212 distinct states, run finished after 3001 ms. (steps per millisecond=171 ) properties seen :0
[2026-05-26 23:41:04] [INFO ] Invariant cache hit.
[2026-05-26 23:41:04] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 4 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 177ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3126 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:41:07] [INFO ] Invariant cache hit.
[2026-05-26 23:41:07] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-26 23:41:07] [INFO ] Invariant cache hit.
[2026-05-26 23:41:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:41:07] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 23:41:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:41:07] [INFO ] Flatten gal took : 7 ms
[2026-05-26 23:41:07] [INFO ] Applying decomposition
[2026-05-26 23:41:07] [INFO ] Flatten gal took : 3 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/graph6407477355428168517.txt' '-o' '/tmp/graph6407477355428168517.bin' '-w' '/tmp/graph6407477355428168517.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6407477355428168517.bin' '-l' '-1' '-v' '-w' '/tmp/graph6407477355428168517.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:41:08] [INFO ] Decomposing Gal with order
[2026-05-26 23:41:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:41:08] [INFO ] Flatten gal took : 39 ms
[2026-05-26 23:41:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:41:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4442410901665643259.gal : 1 ms
[2026-05-26 23:41:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18361344670197651086.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/ReachabilityCardinality4442410901665643259.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18361344670197651086.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/ReachabilityCardinality18361344670197651086.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.01452e+10 after 1.01453e+10
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.73828e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[199, 199, 199, 199] Max Struct:[203, 203, 203, 203]
[2026-05-26 23:41:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[203, 203, 203, 203]
RANDOM walk for 1000011 steps (2 resets) in 146 ms. (6802 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 789 ms. (5063 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[203, 203, 203, 203]
[2026-05-26 23:41:59] [INFO ] Invariant cache hit.
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:41:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:41:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:41:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:41:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:41:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:41:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:41:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:41:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 23:41:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:41:59] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[203, 203, 203, 203]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[203, 203, 203, 203]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:41:59] [INFO ] Invariant cache hit.
[2026-05-26 23:41:59] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 23:41:59] [INFO ] Invariant cache hit.
[2026-05-26 23:41:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:41:59] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 23:41:59] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:41:59] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:41:59] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:41:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5103516879626422226.gal : 0 ms
[2026-05-26 23:41:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12556921541432708612.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/ReachabilityCardinality5103516879626422226.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12556921541432708612.prop' '--nowitness' '--gen-order' 'FOLLOW'

RANDOM walk for 40130 steps (8 resets) in 14 ms. (2675 steps per ms) remains 8/8 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12556921541432708612.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40003 steps (8 resets) in 47 ms. (833 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 35 ms. (1111 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :9957 after 46231
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 26 ms. (1481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,8 properties remain. new max is 4096
Interrupted probabilistic random walk after 408635 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 8
Probabilistic random walk after 408635 steps, saw 232126 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2026-05-26 23:42:02] [INFO ] Invariant cache hit.
[2026-05-26 23:42:02] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 4 solved, 4 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 4 solved, 4 unsolved
Parikh walk visited 0 properties in 1678 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40062 steps (8 resets) in 13 ms. (2861 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 25 ms. (1538 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 4/4 properties
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Interrupted probabilistic random walk after 505888 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 4
Probabilistic random walk after 505888 steps, saw 284742 distinct states, run finished after 3001 ms. (steps per millisecond=168 ) properties seen :0
[2026-05-26 23:42:07] [INFO ] Invariant cache hit.
[2026-05-26 23:42:07] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 4 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 172ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3135 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:42:10] [INFO ] Invariant cache hit.
[2026-05-26 23:42:10] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-26 23:42:10] [INFO ] Invariant cache hit.
[2026-05-26 23:42:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:42:10] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2026-05-26 23:42:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:42:10] [INFO ] Flatten gal took : 3 ms
[2026-05-26 23:42:10] [INFO ] Applying decomposition
[2026-05-26 23:42:10] [INFO ] Flatten gal took : 3 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/graph13861171191846820980.txt' '-o' '/tmp/graph13861171191846820980.bin' '-w' '/tmp/graph13861171191846820980.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13861171191846820980.bin' '-l' '-1' '-v' '-w' '/tmp/graph13861171191846820980.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:42:10] [INFO ] Decomposing Gal with order
[2026-05-26 23:42:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:42:10] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:42:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:42:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7894161019496865957.gal : 1 ms
[2026-05-26 23:42:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11124063765509057213.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/ReachabilityCardinality7894161019496865957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11124063765509057213.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/ReachabilityCardinality11124063765509057213.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.01452e+10 after 1.01453e+10
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.73586e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[199, 199, 199, 199] Max Struct:[202, 202, 202, 202]
[2026-05-26 23:43:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[202, 202, 202, 202]
RANDOM walk for 1000028 steps (2 resets) in 115 ms. (8620 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 767 ms. (5208 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[202, 202, 202, 202]
[2026-05-26 23:43:01] [INFO ] Invariant cache hit.
[2026-05-26 23:43:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:43:01] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:43:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:43:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:43:01] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:43:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:43:01] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:43:01] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:43:01] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 17 ms.
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:43:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:43:02] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:43:02] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:43:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:43:02] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:43:02] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 13 ms.
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:43:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:43:02] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:43:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2026-05-26 23:43:02] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:43:02] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[202, 202, 202, 202]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[202, 202, 202, 202]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:43:02] [INFO ] Invariant cache hit.
[2026-05-26 23:43:02] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 23:43:02] [INFO ] Invariant cache hit.
[2026-05-26 23:43:02] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:43:02] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-26 23:43:02] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:43:02] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:43:02] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:43:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16486732789522704843.gal : 1 ms
[2026-05-26 23:43:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17886400785576783696.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/ReachabilityCardinality16486732789522704843.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17886400785576783696.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40110 steps (8 resets) in 20 ms. (1910 steps per ms) remains 8/8 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 ...330
Loading property file /tmp/ReachabilityCardinality17886400785576783696.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 35 ms. (1111 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 42 ms. (930 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 31 ms. (1250 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :9957 after 46231
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,8 properties remain. new max is 4096
Interrupted probabilistic random walk after 395807 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 8
Probabilistic random walk after 395807 steps, saw 225355 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
[2026-05-26 23:43:05] [INFO ] Invariant cache hit.
[2026-05-26 23:43:05] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 4 solved, 4 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 4 solved, 4 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Parikh walk visited 0 properties in 3778 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40085 steps (8 resets) in 14 ms. (2672 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 511616 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 4
Probabilistic random walk after 511616 steps, saw 288040 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2026-05-26 23:43:12] [INFO ] Invariant cache hit.
[2026-05-26 23:43:12] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 4 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3030 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:43:15] [INFO ] Invariant cache hit.
[2026-05-26 23:43:15] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-26 23:43:15] [INFO ] Invariant cache hit.
[2026-05-26 23:43:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:43:15] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-26 23:43:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:43:15] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:43:15] [INFO ] Applying decomposition
[2026-05-26 23:43:15] [INFO ] Flatten gal took : 1 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/graph10075216877031530119.txt' '-o' '/tmp/graph10075216877031530119.bin' '-w' '/tmp/graph10075216877031530119.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10075216877031530119.bin' '-l' '-1' '-v' '-w' '/tmp/graph10075216877031530119.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:43:15] [INFO ] Decomposing Gal with order
[2026-05-26 23:43:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:43:15] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:43:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:43:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality86327079254021279.gal : 0 ms
[2026-05-26 23:43:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13576447975018421488.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/ReachabilityCardinality86327079254021279.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13576447975018421488.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 ...306
Loading property file /tmp/ReachabilityCardinality13576447975018421488.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02927e+10
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.02927e+10 after 1.0306e+10
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.0306e+10 after 1.0463e+10
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :2.71427e+10 after 2.75812e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[199, 199, 199, 199] Max Struct:[201, 201, 201, 201]
[2026-05-26 23:44:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[201, 201, 201, 201]
RANDOM walk for 1000023 steps (2 resets) in 112 ms. (8849 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 768 ms. (5201 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[201, 201, 201, 201]
[2026-05-26 23:44:06] [INFO ] Invariant cache hit.
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:44:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:44:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:44:06] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:44:06] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:44:06] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:44:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:44:06] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:44:06] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:44:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:44:06] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:44:06] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:44:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:44:06] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:44:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-26 23:44:07] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:44:07] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[201, 201, 201, 201]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[201, 201, 201, 201]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:44:07] [INFO ] Invariant cache hit.
[2026-05-26 23:44:07] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 23:44:07] [INFO ] Invariant cache hit.
[2026-05-26 23:44:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:44:07] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-26 23:44:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40091 steps (8 resets) in 18 ms. (2110 steps per ms) remains 8/8 properties
[2026-05-26 23:44:07] [INFO ] Flatten gal took : 6 ms
[2026-05-26 23:44:07] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:44:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality648283872356515153.gal : 10 ms
[2026-05-26 23:44:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4259832835206305254.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/ReachabilityCardinality648283872356515153.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4259832835206305254.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 8/8 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 ...327
Loading property file /tmp/ReachabilityCardinality4259832835206305254.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :9957 after 46231
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 404984 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 8
Probabilistic random walk after 404984 steps, saw 230418 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2026-05-26 23:44:10] [INFO ] Invariant cache hit.
[2026-05-26 23:44:10] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 8/22 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/22 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/22 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 22 constraints, problems are : Problem set: 4 solved, 4 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 227ms problems are : Problem set: 4 solved, 4 unsolved
Parikh walk visited 0 properties in 2783 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40079 steps (8 resets) in 12 ms. (3083 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 22 ms. (1739 steps per ms) remains 4/4 properties
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Interrupted probabilistic random walk after 511298 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 4
Probabilistic random walk after 511298 steps, saw 287886 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
[2026-05-26 23:44:16] [INFO ] Invariant cache hit.
[2026-05-26 23:44:16] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 4 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3105 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:44:19] [INFO ] Invariant cache hit.
[2026-05-26 23:44:19] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-26 23:44:19] [INFO ] Invariant cache hit.
[2026-05-26 23:44:19] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:44:19] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2026-05-26 23:44:19] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:44:19] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:44:19] [INFO ] Applying decomposition
[2026-05-26 23:44:19] [INFO ] Flatten gal took : 1 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/graph17932624839406170750.txt' '-o' '/tmp/graph17932624839406170750.bin' '-w' '/tmp/graph17932624839406170750.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17932624839406170750.bin' '-l' '-1' '-v' '-w' '/tmp/graph17932624839406170750.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:44:19] [INFO ] Decomposing Gal with order
[2026-05-26 23:44:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:44:19] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:44:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:44:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10454077161448095323.gal : 1 ms
[2026-05-26 23:44:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5365634116075170167.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/ReachabilityCardinality10454077161448095323.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5365634116075170167.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/ReachabilityCardinality5365634116075170167.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.01452e+10 after 1.01453e+10
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :9.64954e+10 after 9.64957e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[199, 199, 199, 199] Max Struct:[200, 200, 200, 200]
[2026-05-26 23:45:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[200, 200, 200, 200]
RANDOM walk for 1000032 steps (2 resets) in 119 ms. (8333 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 770 ms. (5188 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[200, 200, 200, 200]
[2026-05-26 23:45:10] [INFO ] Invariant cache hit.
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:45:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:45:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:45:10] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:45:10] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:45:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:45:10] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:45:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:45:10] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:45:10] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 10 ms.
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:45:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 23:45:10] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:45:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2026-05-26 23:45:10] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:45:10] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[200, 200, 200, 200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[200, 200, 200, 200]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:45:11] [INFO ] Invariant cache hit.
[2026-05-26 23:45:11] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 23:45:11] [INFO ] Invariant cache hit.
[2026-05-26 23:45:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:45:11] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 23:45:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:45:11] [INFO ] Flatten gal took : 3 ms
[2026-05-26 23:45:11] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:45:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15547629777006696327.gal : 1 ms
[2026-05-26 23:45:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14272447839683216681.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/ReachabilityCardinality15547629777006696327.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14272447839683216681.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40080 steps (8 resets) in 29 ms. (1336 steps per ms) remains 8/8 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 ...330
Loading property file /tmp/ReachabilityCardinality14272447839683216681.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
BEST_FIRST walk for 40002 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
SDD size :36 after 9957
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 40 ms. (975 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,8 properties remain. new max is 4096
Interrupted probabilistic random walk after 403302 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 8
Probabilistic random walk after 403302 steps, saw 229520 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2026-05-26 23:45:14] [INFO ] Invariant cache hit.
[2026-05-26 23:45:14] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 8/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 22 constraints, problems are : Problem set: 0 solved, 8 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 224ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 2800 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40108 steps (8 resets) in 15 ms. (2506 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 31 ms. (1250 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 30 ms. (1290 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Interrupted probabilistic random walk after 369701 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :0 out of 8
Probabilistic random walk after 369701 steps, saw 211597 distinct states, run finished after 3001 ms. (steps per millisecond=123 ) properties seen :0
[2026-05-26 23:45:20] [INFO ] Invariant cache hit.
[2026-05-26 23:45:20] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 8 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 8/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 22 constraints, problems are : Problem set: 0 solved, 8 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 2812 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:45:23] [INFO ] Invariant cache hit.
[2026-05-26 23:45:23] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 23:45:23] [INFO ] Invariant cache hit.
[2026-05-26 23:45:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:45:23] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-26 23:45:23] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:45:23] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:45:23] [INFO ] Applying decomposition
[2026-05-26 23:45:23] [INFO ] Flatten gal took : 1 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/graph492348365609685829.txt' '-o' '/tmp/graph492348365609685829.bin' '-w' '/tmp/graph492348365609685829.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph492348365609685829.bin' '-l' '-1' '-v' '-w' '/tmp/graph492348365609685829.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:45:23] [INFO ] Decomposing Gal with order
[2026-05-26 23:45:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:45:23] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:45:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:45:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8977964013328669228.gal : 0 ms
[2026-05-26 23:45:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9105098407709622007.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/ReachabilityCardinality8977964013328669228.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9105098407709622007.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/ReachabilityCardinality9105098407709622007.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :969 after 421209
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :421209 after 6.22169e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01451e+10
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :1.01451e+10 after 1.01451e+10
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :1.01451e+10 after 1.01454e+10
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :1.81597e+10 after 1.81807e+10
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :3.66926e+10 after 3.7106e+10
Detected timeout of ITS tools.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[200]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[200]
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10033 steps (2 resets) in 2 ms. (3344 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[200]
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
[2026-05-26 23:46:13] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:46:13] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:46:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:46:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:46:13] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:46:13] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:46:13] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:46:13] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:46:13] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[200]
RANDOM walk for 1000018 steps (2 resets) in 109 ms. (9091 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 190 ms. (5235 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[200]
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
[2026-05-26 23:46:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:46:13] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:46:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:46:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:46:13] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:46:13] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:46:13] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:46:13] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:46:13] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
[2026-05-26 23:46:13] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 23:46:13] [INFO ] Invariant cache hit.
[2026-05-26 23:46:14] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:46:14] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 23:46:14] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:46:14] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:46:14] [INFO ] Flatten gal took : 0 ms
[2026-05-26 23:46:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12311227729356516913.gal : 0 ms
[2026-05-26 23:46:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10397462914474267788.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/ReachabilityCardinality12311227729356516913.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10397462914474267788.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/ReachabilityCardinality10397462914474267788.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
RANDOM walk for 40075 steps (8 resets) in 25 ms. (1541 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 16 ms. (2353 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40002 steps (8 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 1081971 steps, run timeout after 3001 ms. (steps per millisecond=360 ) properties seen :0 out of 2
Probabilistic random walk after 1081971 steps, saw 603401 distinct states, run finished after 3001 ms. (steps per millisecond=360 ) properties seen :0
[2026-05-26 23:46:17] [INFO ] Invariant cache hit.
[2026-05-26 23:46:17] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 120 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40133 steps (8 resets) in 9 ms. (4013 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1019905 steps, run timeout after 3001 ms. (steps per millisecond=339 ) properties seen :0 out of 2
Probabilistic random walk after 1019905 steps, saw 569360 distinct states, run finished after 3001 ms. (steps per millisecond=339 ) properties seen :0
[2026-05-26 23:46:20] [INFO ] Invariant cache hit.
[2026-05-26 23:46:20] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 8192
Parikh walk visited 0 properties in 117 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:46:20] [INFO ] Invariant cache hit.
SDD size :5.58847e+10 after 5.59122e+10
[2026-05-26 23:46:20] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-26 23:46:20] [INFO ] Invariant cache hit.
[2026-05-26 23:46:20] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:46:20] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2026-05-26 23:46:20] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:46:20] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:46:20] [INFO ] Applying decomposition
[2026-05-26 23:46:20] [INFO ] Flatten gal took : 1 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/graph2723130084055778724.txt' '-o' '/tmp/graph2723130084055778724.bin' '-w' '/tmp/graph2723130084055778724.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2723130084055778724.bin' '-l' '-1' '-v' '-w' '/tmp/graph2723130084055778724.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:46:20] [INFO ] Decomposing Gal with order
[2026-05-26 23:46:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:46:20] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:46:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:46:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17513318557641776673.gal : 0 ms
[2026-05-26 23:46:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6595311546600269564.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/ReachabilityCardinality17513318557641776673.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6595311546600269564.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/ReachabilityCardinality6595311546600269564.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.02927e+10 after 1.04684e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.71427e+10 after 2.75817e+10
Detected timeout of ITS tools.
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-02 in 57134 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[200]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[200]
[2026-05-26 23:47:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10052 steps (2 resets) in 2 ms. (3350 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[200]
[2026-05-26 23:47:10] [INFO ] Invariant cache hit.
[2026-05-26 23:47:10] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:47:10] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:47:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:47:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:47:10] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:47:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:10] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:47:10] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:47:10] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[195] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:47:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[195] Max Struct:[200]
RANDOM walk for 1000012 steps (2 resets) in 109 ms. (9091 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 184 ms. (5405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[195] Max Struct:[200]
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:47:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:47:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:47:11] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[195] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:11] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-26 23:47:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[200]
RANDOM walk for 1000042 steps (2 resets) in 111 ms. (8928 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 185 ms. (5376 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[200]
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:47:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:47:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:47:11] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:11] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-26 23:47:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[200]
RANDOM walk for 1000055 steps (2 resets) in 115 ms. (8621 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 184 ms. (5405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[200]
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-26 23:47:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:47:11] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:47:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:47:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:47:11] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:47:11] [INFO ] Invariant cache hit.
[2026-05-26 23:47:12] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 23:47:12] [INFO ] Invariant cache hit.
[2026-05-26 23:47:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:12] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 23:47:12] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:47:12] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 40058 steps (8 resets) in 13 ms. (2861 steps per ms) remains 2/2 properties
[2026-05-26 23:47:12] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:47:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17250854474700203173.gal : 1 ms
[2026-05-26 23:47:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6568370749375240182.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/ReachabilityCardinality17250854474700203173.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6568370749375240182.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :
BEST_FIRST walk for 40002 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6568370749375240182.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40002 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 1096309 steps, run timeout after 3001 ms. (steps per millisecond=365 ) properties seen :0 out of 2
Probabilistic random walk after 1096309 steps, saw 611407 distinct states, run finished after 3001 ms. (steps per millisecond=365 ) properties seen :0
[2026-05-26 23:47:15] [INFO ] Invariant cache hit.
[2026-05-26 23:47:15] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 119 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40104 steps (8 resets) in 11 ms. (3342 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 25 ms. (1538 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1089411 steps, run timeout after 3001 ms. (steps per millisecond=363 ) properties seen :0 out of 2
Probabilistic random walk after 1089411 steps, saw 607465 distinct states, run finished after 3001 ms. (steps per millisecond=363 ) properties seen :0
[2026-05-26 23:47:18] [INFO ] Invariant cache hit.
[2026-05-26 23:47:18] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 124 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:47:18] [INFO ] Invariant cache hit.
SDD proceeding with computation,2 properties remain. new max is 8192
[2026-05-26 23:47:18] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-26 23:47:18] [INFO ] Invariant cache hit.
SDD size :5.58847e+10 after 5.59122e+10
[2026-05-26 23:47:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:47:18] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-26 23:47:18] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:47:18] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:47:18] [INFO ] Applying decomposition
[2026-05-26 23:47:18] [INFO ] Flatten gal took : 3 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/graph10047111823596666613.txt' '-o' '/tmp/graph10047111823596666613.bin' '-w' '/tmp/graph10047111823596666613.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10047111823596666613.bin' '-l' '-1' '-v' '-w' '/tmp/graph10047111823596666613.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:47:18] [INFO ] Decomposing Gal with order
[2026-05-26 23:47:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:47:18] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:47:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:47:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4398182788799004424.gal : 0 ms
[2026-05-26 23:47:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17569926049893422912.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/ReachabilityCardinality4398182788799004424.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17569926049893422912.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/ReachabilityCardinality17569926049893422912.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02932e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.02932e+10 after 1.02932e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.02932e+10 after 1.02932e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.02932e+10 after 1.02932e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.02932e+10 after 1.04684e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.72703e+10
Detected timeout of ITS tools.
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-04 in 58012 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[200]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[200]
[2026-05-26 23:48:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10043 steps (2 resets) in 5 ms. (1673 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[200]
[2026-05-26 23:48:08] [INFO ] Invariant cache hit.
[2026-05-26 23:48:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:48:08] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:48:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:48:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:48:08] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:48:08] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:48:08] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:48:08] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:48:08] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:48:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[200]
RANDOM walk for 1000033 steps (2 resets) in 108 ms. (9174 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 187 ms. (5319 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[200]
[2026-05-26 23:48:09] [INFO ] Invariant cache hit.
[2026-05-26 23:48:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:48:09] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:48:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:48:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:48:09] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:48:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:48:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:48:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:48:09] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:48:09] [INFO ] Invariant cache hit.
[2026-05-26 23:48:09] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 23:48:09] [INFO ] Invariant cache hit.
[2026-05-26 23:48:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:48:09] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-26 23:48:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:48:09] [INFO ] Flatten gal took : 3 ms
[2026-05-26 23:48:09] [INFO ] Flatten gal took : 4 ms
[2026-05-26 23:48:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13139505760436727737.gal : 1 ms
RANDOM walk for 40071 steps (8 resets) in 25 ms. (1541 steps per ms) remains 2/2 properties
[2026-05-26 23:48:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12844891955059626698.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/ReachabilityCardinality13139505760436727737.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12844891955059626698.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/ReachabilityCardinality12844891955059626698.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 3513415 steps, run timeout after 3001 ms. (steps per millisecond=1170 ) properties seen :1 out of 2
Probabilistic random walk after 3513415 steps, saw 1908727 distinct states, run finished after 3001 ms. (steps per millisecond=1170 ) properties seen :1
[2026-05-26 23:48:12] [INFO ] Invariant cache hit.
[2026-05-26 23:48:12] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 111ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40106 steps (8 resets) in 11 ms. (3342 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3461799 steps, run timeout after 3001 ms. (steps per millisecond=1153 ) properties seen :0 out of 1
Probabilistic random walk after 3461799 steps, saw 1879845 distinct states, run finished after 3001 ms. (steps per millisecond=1153 ) properties seen :0
[2026-05-26 23:48:15] [INFO ] Invariant cache hit.
[2026-05-26 23:48:15] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:48:15] [INFO ] Invariant cache hit.
[2026-05-26 23:48:15] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-26 23:48:15] [INFO ] Invariant cache hit.
[2026-05-26 23:48:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:48:15] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-26 23:48:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:48:15] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:48:15] [INFO ] Applying decomposition
[2026-05-26 23:48:15] [INFO ] Flatten gal took : 0 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/graph668946759719961594.txt' '-o' '/tmp/graph668946759719961594.bin' '-w' '/tmp/graph668946759719961594.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph668946759719961594.bin' '-l' '-1' '-v' '-w' '/tmp/graph668946759719961594.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:48:15] [INFO ] Decomposing Gal with order
[2026-05-26 23:48:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:48:15] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:48:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:48:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13557401997656575148.gal : 1 ms
[2026-05-26 23:48:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13815619579874186953.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/ReachabilityCardinality13557401997656575148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13815619579874186953.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/ReachabilityCardinality13815619579874186953.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01452e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.01452e+10 after 1.01453e+10
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.74068e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[198] Max Struct:[200]
[2026-05-26 23:49:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[198] Max Struct:[200]
RANDOM walk for 1000049 steps (2 resets) in 120 ms. (8264 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 214 ms. (4651 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[198] Max Struct:[200]
[2026-05-26 23:49:05] [INFO ] Invariant cache hit.
[2026-05-26 23:49:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:49:06] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:49:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:49:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:49:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:49:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:49:06] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:49:06] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:49:06] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[198] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[198] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:49:06] [INFO ] Invariant cache hit.
[2026-05-26 23:49:06] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 23:49:06] [INFO ] Invariant cache hit.
[2026-05-26 23:49:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:49:06] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 23:49:06] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:49:06] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:49:06] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:49:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16266403740956975146.gal : 0 ms
[2026-05-26 23:49:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13078725567731841802.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/ReachabilityCardinality16266403740956975146.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13078725567731841802.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/ReachabilityCardinality13078725567731841802.prop.
RANDOM walk for 40091 steps (8 resets) in 19 ms. (2004 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40002 steps (8 resets) in 17 ms. (2222 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 3634383 steps, run timeout after 3035 ms. (steps per millisecond=1197 ) properties seen :1 out of 2
Probabilistic random walk after 3634383 steps, saw 1972882 distinct states, run finished after 3035 ms. (steps per millisecond=1197 ) properties seen :1
[2026-05-26 23:49:09] [INFO ] Invariant cache hit.
[2026-05-26 23:49:09] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
SDD size :1.48506e+10 after 1.4871e+10
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40126 steps (8 resets) in 14 ms. (2675 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3738797 steps, run timeout after 3001 ms. (steps per millisecond=1245 ) properties seen :0 out of 1
Probabilistic random walk after 3738797 steps, saw 2023004 distinct states, run finished after 3001 ms. (steps per millisecond=1245 ) properties seen :0
[2026-05-26 23:49:12] [INFO ] Invariant cache hit.
[2026-05-26 23:49:12] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:49:12] [INFO ] Invariant cache hit.
[2026-05-26 23:49:12] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 23:49:12] [INFO ] Invariant cache hit.
[2026-05-26 23:49:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:49:12] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 23:49:12] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:49:12] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:49:12] [INFO ] Applying decomposition
[2026-05-26 23:49:12] [INFO ] Flatten gal took : 1 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/graph6620226103251416815.txt' '-o' '/tmp/graph6620226103251416815.bin' '-w' '/tmp/graph6620226103251416815.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6620226103251416815.bin' '-l' '-1' '-v' '-w' '/tmp/graph6620226103251416815.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:49:12] [INFO ] Decomposing Gal with order
[2026-05-26 23:49:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:49:12] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:49:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:49:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16160543803384858356.gal : 0 ms
[2026-05-26 23:49:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10471268148886751334.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/ReachabilityCardinality16160543803384858356.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10471268148886751334.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/ReachabilityCardinality10471268148886751334.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.02927e+10 after 1.0306e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.0306e+10 after 1.04638e+10
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.72802e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[199] Max Struct:[200]
[2026-05-26 23:50:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[200]
RANDOM walk for 1000054 steps (2 resets) in 173 ms. (5747 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 202 ms. (4926 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[200]
[2026-05-26 23:50:02] [INFO ] Invariant cache hit.
[2026-05-26 23:50:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:50:02] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:50:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:50:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-26 23:50:02] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:50:02] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:50:02] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:50:02] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 23:50:02] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:50:03] [INFO ] Invariant cache hit.
[2026-05-26 23:50:03] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-26 23:50:03] [INFO ] Invariant cache hit.
[2026-05-26 23:50:03] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:50:03] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-26 23:50:03] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:50:03] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:50:03] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:50:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16623604316566689068.gal : 1 ms
[2026-05-26 23:50:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14144263768990832315.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/ReachabilityCardinality16623604316566689068.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14144263768990832315.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/ReachabilityCardinality14144263768990832315.prop.
RANDOM walk for 40084 steps (8 resets) in 16 ms. (2357 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40002 steps (8 resets) in 31 ms. (1250 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 21 ms. (1818 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 1030150 steps, run timeout after 3001 ms. (steps per millisecond=343 ) properties seen :0 out of 2
Probabilistic random walk after 1030150 steps, saw 574031 distinct states, run finished after 3001 ms. (steps per millisecond=343 ) properties seen :0
[2026-05-26 23:50:06] [INFO ] Invariant cache hit.
[2026-05-26 23:50:06] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 135 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40100 steps (8 resets) in 12 ms. (3084 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 21 ms. (1818 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 21 ms. (1818 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1042059 steps, run timeout after 3001 ms. (steps per millisecond=347 ) properties seen :0 out of 2
Probabilistic random walk after 1042059 steps, saw 580200 distinct states, run finished after 3001 ms. (steps per millisecond=347 ) properties seen :0
[2026-05-26 23:50:09] [INFO ] Invariant cache hit.
[2026-05-26 23:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 138ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Parikh walk visited 0 properties in 136 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 4 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:50:09] [INFO ] Invariant cache hit.
[2026-05-26 23:50:09] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-26 23:50:09] [INFO ] Invariant cache hit.
[2026-05-26 23:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:50:09] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 23:50:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:50:09] [INFO ] Flatten gal took : 0 ms
[2026-05-26 23:50:09] [INFO ] Applying decomposition
[2026-05-26 23:50:09] [INFO ] Flatten gal took : 0 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/graph9796926348062524661.txt' '-o' '/tmp/graph9796926348062524661.bin' '-w' '/tmp/graph9796926348062524661.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9796926348062524661.bin' '-l' '-1' '-v' '-w' '/tmp/graph9796926348062524661.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:50:09] [INFO ] Decomposing Gal with order
[2026-05-26 23:50:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:50:09] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:50:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:50:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7509878886042521320.gal : 0 ms
[2026-05-26 23:50:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14896903625740986443.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/ReachabilityCardinality7509878886042521320.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14896903625740986443.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/ReachabilityCardinality14896903625740986443.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.02927e+10 after 1.0306e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.0306e+10 after 1.0463e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.71427e+10 after 2.75793e+10
Detected timeout of ITS tools.
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-07 in 171139 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[200]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[200]
[2026-05-26 23:50:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10008 steps (2 resets) in 6 ms. (1429 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[200]
[2026-05-26 23:50:59] [INFO ] Invariant cache hit.
[2026-05-26 23:50:59] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:50:59] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:50:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:50:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:50:59] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:50:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:50:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:50:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:50:59] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:50:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[200]
RANDOM walk for 1000060 steps (2 resets) in 115 ms. (8621 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 185 ms. (5376 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[200]
[2026-05-26 23:51:00] [INFO ] Invariant cache hit.
[2026-05-26 23:51:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:51:00] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:51:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:51:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:51:00] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:51:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:51:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2026-05-26 23:51:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-26 23:51:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 23:51:00] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:51:00] [INFO ] Invariant cache hit.
[2026-05-26 23:51:00] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-26 23:51:00] [INFO ] Invariant cache hit.
[2026-05-26 23:51:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:51:00] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-26 23:51:00] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:51:00] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:51:00] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:51:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12151902648284980278.gal : 0 ms
[2026-05-26 23:51:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1313965839510836767.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/ReachabilityCardinality12151902648284980278.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1313965839510836767.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/ReachabilityCardinality1313965839510836767.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
RANDOM walk for 40111 steps (8 resets) in 18 ms. (2111 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40002 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 1066646 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 2
Probabilistic random walk after 1066646 steps, saw 594551 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
[2026-05-26 23:51:03] [INFO ] Invariant cache hit.
[2026-05-26 23:51:03] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 257 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40107 steps (8 resets) in 13 ms. (2864 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Interrupted probabilistic random walk after 1065829 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 2
Probabilistic random walk after 1065829 steps, saw 593947 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
[2026-05-26 23:51:06] [INFO ] Invariant cache hit.
[2026-05-26 23:51:06] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 105ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 48 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40131 steps (8 resets) in 15 ms. (2508 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3898917 steps, run timeout after 3001 ms. (steps per millisecond=1299 ) properties seen :0 out of 1
Probabilistic random walk after 3898917 steps, saw 2110080 distinct states, run finished after 3001 ms. (steps per millisecond=1299 ) properties seen :0
[2026-05-26 23:51:09] [INFO ] Invariant cache hit.
[2026-05-26 23:51:09] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:51:10] [INFO ] Invariant cache hit.
[2026-05-26 23:51:10] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 23:51:10] [INFO ] Invariant cache hit.
[2026-05-26 23:51:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:51:10] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-26 23:51:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:51:10] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:51:10] [INFO ] Applying decomposition
[2026-05-26 23:51:10] [INFO ] Flatten gal took : 1 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/graph10508472563387772953.txt' '-o' '/tmp/graph10508472563387772953.bin' '-w' '/tmp/graph10508472563387772953.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10508472563387772953.bin' '-l' '-1' '-v' '-w' '/tmp/graph10508472563387772953.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:51:10] [INFO ] Decomposing Gal with order
[2026-05-26 23:51:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:51:10] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:51:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 23:51:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9548812816362585484.gal : 0 ms
[2026-05-26 23:51:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16672144079593428393.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/ReachabilityCardinality9548812816362585484.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16672144079593428393.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/ReachabilityCardinality16672144079593428393.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.01288e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.02927e+10 after 1.02927e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.02927e+10 after 1.0306e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.0306e+10 after 1.0463e+10
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.72802e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[198] Max Struct:[200]
[2026-05-26 23:52:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[198] Max Struct:[200]
RANDOM walk for 1000042 steps (2 resets) in 215 ms. (4629 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 179 ms. (5555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[198] Max Struct:[200]
[2026-05-26 23:52:00] [INFO ] Invariant cache hit.
[2026-05-26 23:52:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:52:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-26 23:52:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:52:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:52:00] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:52:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:52:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2026-05-26 23:52:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:52:00] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[198] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:52:00] [INFO ] Invariant cache hit.
[2026-05-26 23:52:00] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 23:52:00] [INFO ] Invariant cache hit.
[2026-05-26 23:52:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:52:00] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-26 23:52:00] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:52:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[200]
RANDOM walk for 1000039 steps (2 resets) in 118 ms. (8403 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 183 ms. (5434 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[200]
[2026-05-26 23:52:01] [INFO ] Invariant cache hit.
[2026-05-26 23:52:01] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 23:52:01] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 23:52:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 23:52:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 23:52:01] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 23:52:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:52:01] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2026-05-26 23:52:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-26 23:52:01] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 23:52:01] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[200]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:52:01] [INFO ] Invariant cache hit.
[2026-05-26 23:52:01] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 23:52:01] [INFO ] Invariant cache hit.
[2026-05-26 23:52:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:52:01] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-26 23:52:01] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 8/8 places, 12/12 transitions.
[2026-05-26 23:52:01] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:52:01] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:52:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4083075099427607163.gal : 0 ms
[2026-05-26 23:52:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16479306001586002683.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/ReachabilityCardinality4083075099427607163.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16479306001586002683.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
RANDOM walk for 40129 steps (8 resets) in 12 ms. (3086 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16479306001586002683.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40003 steps (8 resets) in 21 ms. (1818 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 9957
BEST_FIRST walk for 40003 steps (8 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :46231 after 6.44381e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.00836e+09 after 1.01532e+09
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.47892e+09 after 2.49454e+09
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
Interrupted probabilistic random walk after 1053545 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 2
Probabilistic random walk after 1053545 steps, saw 587535 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
[2026-05-26 23:52:04] [INFO ] Invariant cache hit.
[2026-05-26 23:52:04] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :1.48506e+10 after 1.4871e+10
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 112ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 129 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40111 steps (8 resets) in 14 ms. (2674 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 22 ms. (1739 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1054687 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 2
Probabilistic random walk after 1054687 steps, saw 588224 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
[2026-05-26 23:52:07] [INFO ] Invariant cache hit.
[2026-05-26 23:52:07] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 2 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 16 constraints, problems are : Problem set: 0 solved, 2 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
Parikh walk visited 0 properties in 130 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2026-05-26 23:52:07] [INFO ] Invariant cache hit.
[2026-05-26 23:52:07] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-26 23:52:07] [INFO ] Invariant cache hit.
[2026-05-26 23:52:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:52:07] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-26 23:52:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 8/8 places, 12/12 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:52:07] [INFO ] Flatten gal took : 1 ms
[2026-05-26 23:52:07] [INFO ] Applying decomposition
[2026-05-26 23:52:07] [INFO ] Flatten gal took : 1 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/graph8731086582650128281.txt' '-o' '/tmp/graph8731086582650128281.bin' '-w' '/tmp/graph8731086582650128281.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8731086582650128281.bin' '-l' '-1' '-v' '-w' '/tmp/graph8731086582650128281.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:52:07] [INFO ] Decomposing Gal with order
[2026-05-26 23:52:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:52:07] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:52:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 23:52:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9350472707614664206.gal : 0 ms
[2026-05-26 23:52:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11757783697456613604.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/ReachabilityCardinality9350472707614664206.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11757783697456613604.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/ReachabilityCardinality11757783697456613604.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.01288e+10 after 1.0138e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.0138e+10 after 1.01452e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.01452e+10 after 1.01452e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.01452e+10 after 1.01453e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :9.64954e+10 after 9.65335e+10
Detected timeout of ITS tools.
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-15 in 118059 ms.
[2026-05-26 23:52:57] [INFO ] Flatten gal took : 0 ms
[2026-05-26 23:52:57] [INFO ] Applying decomposition
[2026-05-26 23:52:57] [INFO ] Flatten gal took : 1 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/graph13155003474107787266.txt' '-o' '/tmp/graph13155003474107787266.bin' '-w' '/tmp/graph13155003474107787266.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13155003474107787266.bin' '-l' '-1' '-v' '-w' '/tmp/graph13155003474107787266.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:52:57] [INFO ] Decomposing Gal with order
[2026-05-26 23:52:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:52:57] [INFO ] Flatten gal took : 2 ms
[2026-05-26 23:52:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 23:52:57] [INFO ] Time to serialize gal into /tmp/UpperBounds3818973241232636868.gal : 0 ms
[2026-05-26 23:52:57] [INFO ] Time to serialize properties into /tmp/UpperBounds378493163155880171.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/UpperBounds3818973241232636868.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds378493163155880171.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 ...282
Loading property file /tmp/UpperBounds378493163155880171.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,4.17215e+11,308.159,1209888,1386,696,895083,64519,31,338689,20,206479,0
Total reachable state count : 417214571243

Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property PGCD-PT-D03N050-UpperBounds-02 :0 <= u3.p1_2 <= 199
FORMULA PGCD-PT-D03N050-UpperBounds-12 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D03N050-UpperBounds-02 199 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
PGCD-PT-D03N050-UpperBounds-02,0,459.656,2905444,1,0,1.12759e+06,686485,55,1.87744e+06,227,1.73359e+06,1714
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property PGCD-PT-D03N050-UpperBounds-04 :0 <= u0.p1_3 <= 199
FORMULA PGCD-PT-D03N050-UpperBounds-06 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D03N050-UpperBounds-04 199 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
PGCD-PT-D03N050-UpperBounds-04,0,496.901,2906124,1,0,1.12759e+06,686485,47,1.87744e+06,226,1.73359e+06,32
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property PGCD-PT-D03N050-UpperBounds-07 :0 <= u2.p1_1 <= 199
FORMULA PGCD-PT-D03N050-UpperBounds-07 199 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
PGCD-PT-D03N050-UpperBounds-07,0,501.567,2906124,1,0,1.12759e+06,686485,57,1.87744e+06,226,1.73359e+06,1129
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property PGCD-PT-D03N050-UpperBounds-15 :0 <= u1.p1_4 <= 199
FORMULA PGCD-PT-D03N050-UpperBounds-15 199 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
PGCD-PT-D03N050-UpperBounds-15,0,501.643,2906124,1,0,1.12759e+06,686485,64,1.87744e+06,226,1.73359e+06,1136
Total runtime 1236004 ms.

BK_STOP 1779840080062

--------------------
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="PGCD-PT-D03N050"
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 PGCD-PT-D03N050, 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 r194-tall-177969914400829"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D03N050.tgz
mv PGCD-PT-D03N050 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 ;