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-177969913900085.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Murphy-PT-D3N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913900085
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 7.3K Mar 8 14:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 8 14:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 8 14:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 8 14:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 17 09:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 8 14:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 8 14:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 8 14:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 8 14:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 09:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 17 09:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 15K 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 Murphy-PT-D3N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D3N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779713092013

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D3N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 12:44:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:44:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:44:53] [INFO ] Load time of PNML (sax parser for PT used): 35 ms
[2026-05-25 12:44:53] [INFO ] Transformed 24 places.
[2026-05-25 12:44:53] [INFO ] Transformed 28 transitions.
[2026-05-25 12:44:53] [INFO ] Parsed PT model containing 24 places and 28 transitions and 108 arcs in 117 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 3, 50, 1, 1, 0, 50, 0, 0, 3, 3, 3, 0, 0, 50, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 3, 50, 1, 1, 0, 50, 0, 0, 3, 3, 3, 0, 0, 50, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6659452208285167476.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16078973605835738278.kers'
[2026-05-25 12:44:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6659452208285167476.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16078973605835738278.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:44:53] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16078973605835738278.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 3, 50, 1, 1, 0, 50, 0, 0, 3, 3, 3, 0, 0, 50, 50] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 10017 steps (2 resets) in 17 ms. (556 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 134 ms. (1185 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[105, 3, 59, 93, 83, 2, 101, 2, 1, 3, 3, 3, 2, 1, 71, 75] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:44:53] [INFO ] Invariant cache hit.
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 5 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 12:44:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 12:44:53] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:44:53] [INFO ] [Nat]Added 8 Read/Feed constraints in 10 ms returned sat
[2026-05-25 12:44:53] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:44:53] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 37 ms.
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:53] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:44:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 12:44:53] [INFO ] Added : 0 causal constraints over 0 iterations in 32 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:53] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 12:44:54] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 35 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 49 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:44:54] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:44:54] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:44:54] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:44:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:54] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:44:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:54] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:44:55] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:55] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 56 ms.
[2026-05-25 12:44:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:44:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:44:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 12:44:55] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-25 12:44:55] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:44:55] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[105, 3, 59, 93, 83, 2, 101, 2, 1, 3, 3, 3, 2, 1, 71, 75] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[201, 3, 189, 201, 199, 2, 197, 2, 1, 3, 3, 3, 2, 1, 173, 185] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 16 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 10 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2026-05-25 12:44:55] [INFO ] Invariant cache hit.
[2026-05-25 12:44:55] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 37 constraints, problems are : Problem set: 0 solved, 16 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 4/52 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 0/52 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 53 constraints, problems are : Problem set: 0 solved, 16 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 557ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 564ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 595 ms. Remains : 24/24 places, 28/28 transitions.
findPositiveTsemiflow completed in 13 ms - Found solution {13=1, 17=1, 25=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[201, 3, 189, 201, 199, 2, 197, 2, 1, 3, 3, 3, 2, 1, 173, 185] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[201, 3, 189, 201, 199, 2, 197, 2, 1, 3, 3, 3, 2, 1, 173, 185] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 1000021 steps (2 resets) in 446 ms. (2237 steps per ms)
BEST_FIRST walk for 16000014 steps (32 resets) in 6493 ms. (2463 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201, 3, 189, 201, 201, 2, 197, 2, 1, 3, 3, 3, 2, 1, 173, 185] Max Struct:[204, +inf, 204, 204, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:13] [INFO ] Invariant cache hit.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:45:13] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:13] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:13] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 11 ms returned unsat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:13] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 11 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:13] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:13] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:13] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 4 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:13] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:13] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:13] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:14] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:14] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:14] [INFO ] Added : 1 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:14] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 40 ms.
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 8 ms returned sat
[2026-05-25 12:45:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:14] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201, 3, 189, 201, 201, 2, 197, 2, 1, 3, 3, 3, 2, 1, 173, 185] Max Struct:[201, +inf, 204, 201, 201, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
FORMULA Murphy-PT-D3N050-UpperBounds-04 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D3N050-UpperBounds-03 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D3N050-UpperBounds-00 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 185, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 13 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 24/24 places, 28/28 transitions.
findPositiveTsemiflow completed in 11 ms - Found solution {13=1, 17=1, 25=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 185, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 185, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 1000017 steps (2 resets) in 439 ms. (2272 steps per ms)
BEST_FIRST walk for 13000012 steps (26 resets) in 5283 ms. (2460 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 185, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:30] [INFO ] Invariant cache hit.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:30] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:30] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:30] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:30] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:30] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:30] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:45:30] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:30] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:45:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:30] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:31] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:31] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:31] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:31] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:31] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 24 ms.
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using 1 positive and 4 generalized place invariants in 1 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 8 ms returned sat
[2026-05-25 12:45:31] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:31] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 185, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 13 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 24/24 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:45:31] [INFO ] Invariant cache hit.
[2026-05-25 12:45:31] [INFO ] Implicit Places using invariants in 34 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 37 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 20/24 places, 28/28 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 40 ms. Remains : 20/24 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12671285450300355885.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6705022213359830964.kers'
[2026-05-25 12:45:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12671285450300355885.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6705022213359830964.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:45:41] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6705022213359830964.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 1000025 steps (2 resets) in 414 ms. (2409 steps per ms)
BEST_FIRST walk for 13000011 steps (26 resets) in 4672 ms. (2781 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:46] [INFO ] Invariant cache hit.
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:45:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:46] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:45:46] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:46] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:46] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:46] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:46] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 12:45:47] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:47] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:47] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 3 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:45:47] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:45:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:45:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 40 ms
[2026-05-25 12:45:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:45:47] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 185] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:45:47] [INFO ] Invariant cache hit.
[2026-05-25 12:45:47] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 12:45:47] [INFO ] Invariant cache hit.
[2026-05-25 12:45:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:45:47] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-25 12:45:47] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-25 12:45:47] [INFO ] Invariant cache hit.
[2026-05-25 12:45:47] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 16 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 45 constraints, problems are : Problem set: 0 solved, 16 unsolved in 260 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 422ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 488 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:45:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 1000010 steps (2 resets) in 416 ms. (2398 steps per ms)
BEST_FIRST walk for 13000011 steps (26 resets) in 4662 ms. (2787 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:46:03] [INFO ] Invariant cache hit.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:03] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:03] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:03] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:03] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:03] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:03] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:03] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:04] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:04] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:04] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:46:04] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:04] [INFO ] Added : 3 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:04] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 12:46:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 12:46:04] [INFO ] Added : 5 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 189, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:46:04] [INFO ] Invariant cache hit.
[2026-05-25 12:46:04] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 12:46:04] [INFO ] Invariant cache hit.
[2026-05-25 12:46:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:46:04] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-25 12:46:04] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:46:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 1000058 steps (2 resets) in 412 ms. (2421 steps per ms)
BEST_FIRST walk for 13000013 steps (26 resets) in 4657 ms. (2790 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
[2026-05-25 12:46:19] [INFO ] Invariant cache hit.
[2026-05-25 12:46:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:19] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:19] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:19] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:46:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:19] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:19] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:19] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:19] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:19] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:46:19] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:19] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 25 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:20] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 20 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 12:46:20] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:20] [INFO ] Added : 3 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:46:20] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:46:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:46:20] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:46:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-25 12:46:20] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:46:20] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:46:21] [INFO ] Invariant cache hit.
[2026-05-25 12:46:21] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 12:46:21] [INFO ] Invariant cache hit.
[2026-05-25 12:46:21] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:46:21] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2026-05-25 12:46:21] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 191, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 204, +inf, 204, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 204, 204]
RANDOM walk for 40097 steps (8 resets) in 555 ms. (72 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
[2026-05-25 12:46:31] [INFO ] Flatten gal took : 20 ms
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 17/17 properties
[2026-05-25 12:46:31] [INFO ] Flatten gal took : 4 ms
[2026-05-25 12:46:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3616956689458502472.gal : 4 ms
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 17/17 properties
[2026-05-25 12:46:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6836510691729884315.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/ReachabilityCardinality3616956689458502472.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6836510691729884315.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 17/17 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
Loading property file /tmp/ReachabilityCardinality6836510691729884315.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 226006 steps, run timeout after 3001 ms. (steps per millisecond=75 ) properties seen :0 out of 17
Probabilistic random walk after 226006 steps, saw 153041 distinct states, run finished after 3008 ms. (steps per millisecond=75 ) properties seen :0
[2026-05-25 12:46:34] [INFO ] Invariant cache hit.
[2026-05-25 12:46:34] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 4 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 4 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 4 solved, 13 unsolved in 204 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 4 solved, 13 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 501ms problems are : Problem set: 4 solved, 13 unsolved
Fused 13 Parikh solutions to 7 different solutions.
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
Parikh walk visited 0 properties in 11511 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40085 steps (8 resets) in 66 ms. (598 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 65 ms. (606 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 74 ms. (533 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 51 ms. (769 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 262415 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 13
Probabilistic random walk after 262415 steps, saw 177733 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-25 12:46:49] [INFO ] Invariant cache hit.
[2026-05-25 12:46:49] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 13 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 0 solved, 13 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 473ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 7 different solutions.
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Parikh walk visited 0 properties in 11805 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:47:02] [INFO ] Invariant cache hit.
[2026-05-25 12:47:02] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 12:47:02] [INFO ] Invariant cache hit.
[2026-05-25 12:47:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:47:02] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-25 12:47:02] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 13 properties.
[2026-05-25 12:47:02] [INFO ] Invariant cache hit.
[2026-05-25 12:47:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:02] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2026-05-25 12:47:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:02] [INFO ] After 47ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2026-05-25 12:47:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:47:02] [INFO ] After 26ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :13
TRAPS : Iteration 0
[2026-05-25 12:47:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 44 ms
[2026-05-25 12:47:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
TRAPS : Iteration 1
[2026-05-25 12:47:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
TRAPS : Iteration 2
[2026-05-25 12:47:02] [INFO ] After 234ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
[2026-05-25 12:47:02] [INFO ] After 340ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
[2026-05-25 12:47:02] [INFO ] Flatten gal took : 6 ms
[2026-05-25 12:47:02] [INFO ] Flatten gal took : 4 ms
[2026-05-25 12:47:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality30975800315673583.gal : 1 ms
[2026-05-25 12:47:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4128751172351073987.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/ReachabilityCardinality30975800315673583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4128751172351073987.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 ...326
Loading property file /tmp/ReachabilityCardinality4128751172351073987.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
Detected timeout of ITS tools.
[2026-05-25 12:47:17] [INFO ] Flatten gal took : 7 ms
[2026-05-25 12:47:17] [INFO ] Applying decomposition
[2026-05-25 12:47:17] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph4739181397152962451.txt' '-o' '/tmp/graph4739181397152962451.bin' '-w' '/tmp/graph4739181397152962451.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4739181397152962451.bin' '-l' '-1' '-v' '-w' '/tmp/graph4739181397152962451.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:47:17] [INFO ] Decomposing Gal with order
[2026-05-25 12:47:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:47:17] [INFO ] Flatten gal took : 46 ms
[2026-05-25 12:47:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:47:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13344637052910614102.gal : 1 ms
[2026-05-25 12:47:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9156307582668564435.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/ReachabilityCardinality13344637052910614102.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9156307582668564435.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/ReachabilityCardinality9156307582668564435.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :969 after 421209
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :421209 after 6.98717e+09
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :6.98717e+09 after 6.99064e+09
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :6.99064e+09 after 1.28285e+10
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :1.28285e+10 after 1.28286e+10
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.28286e+10 after 1.3072e+10
Invariant property MIN1 does not hold.
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.09715e+13 after 7.3059e+13
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :1.3072e+10 after 2.72457e+10
Detected timeout of ITS tools.
[2026-05-25 12:47:21] [INFO ] Flatten gal took : 7 ms
[2026-05-25 12:47:21] [INFO ] Applying decomposition
[2026-05-25 12:47:21] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph4825107939494088994.txt' '-o' '/tmp/graph4825107939494088994.bin' '-w' '/tmp/graph4825107939494088994.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4825107939494088994.bin' '-l' '-1' '-v' '-w' '/tmp/graph4825107939494088994.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:47:21] [INFO ] Decomposing Gal with order
[2026-05-25 12:47:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:47:21] [INFO ] Flatten gal took : 3 ms
[2026-05-25 12:47:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:47:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9432346640748047664.gal : 1 ms
[2026-05-25 12:47:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13819840726273866912.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/ReachabilityCardinality9432346640748047664.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13819840726273866912.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/ReachabilityCardinality13819840726273866912.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :29376 after 8.98582e+06
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :8.98582e+06 after 3.58931e+11
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :3.58931e+11 after 1.2637e+12
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :1.2637e+12 after 1.27099e+12
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :1.27099e+12 after 1.5514e+12
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :1.5514e+12 after 4.56631e+12
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :2.72457e+10 after 9.18131e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved -1 properties in 30631 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
[2026-05-25 12:47:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
RANDOM walk for 1000015 steps (2 resets) in 421 ms. (2369 steps per ms)
BEST_FIRST walk for 13000013 steps (26 resets) in 4605 ms. (2822 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
[2026-05-25 12:47:37] [INFO ] Invariant cache hit.
[2026-05-25 12:47:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:47:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:37] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:37] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:47:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 12:47:37] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:37] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:47:37] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:37] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:47:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:37] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:37] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:47:37] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 12:47:37] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:47:38] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 17 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 12:47:38] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:47:38] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:47:38] [INFO ] Added : 3 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:47:38] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:47:38] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:47:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-25 12:47:38] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:47:38] [INFO ] Added : 5 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:47:38] [INFO ] Invariant cache hit.
[2026-05-25 12:47:38] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 12:47:38] [INFO ] Invariant cache hit.
[2026-05-25 12:47:38] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:47:38] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-25 12:47:38] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 192, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 191] Max Struct:[+inf, 203, +inf, 203, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 203, 203]
[2026-05-25 12:47:49] [INFO ] Flatten gal took : 9 ms
[2026-05-25 12:47:49] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:47:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9600388662935323389.gal : 1 ms
[2026-05-25 12:47:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6402560111411251886.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/ReachabilityCardinality9600388662935323389.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6402560111411251886.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40097 steps (8 resets) in 77 ms. (514 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6402560111411251886.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
BEST_FIRST walk for 4003 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 247807 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 17
Probabilistic random walk after 247807 steps, saw 167298 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
[2026-05-25 12:47:52] [INFO ] Invariant cache hit.
[2026-05-25 12:47:52] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 17 unsolved in 232 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 4 solved, 13 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 538ms problems are : Problem set: 4 solved, 13 unsolved
Fused 13 Parikh solutions to 4 different solutions.
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
Parikh walk visited 0 properties in 7031 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40108 steps (8 resets) in 49 ms. (802 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 38 ms. (1025 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 254979 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 13
Probabilistic random walk after 254979 steps, saw 172440 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-25 12:48:02] [INFO ] Invariant cache hit.
[2026-05-25 12:48:02] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 13 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 0 solved, 13 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 486ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 9 different solutions.
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
Parikh walk visited 1 properties in 11233 ms.
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40065 steps (8 resets) in 60 ms. (656 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 40 ms. (975 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 253462 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 12
Probabilistic random walk after 253462 steps, saw 171363 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-25 12:48:17] [INFO ] Invariant cache hit.
[2026-05-25 12:48:17] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 12 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 42 constraints, problems are : Problem set: 0 solved, 12 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 431ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 5 different solutions.
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Parikh walk visited 0 properties in 4082 ms.
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:48:22] [INFO ] Invariant cache hit.
[2026-05-25 12:48:22] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:48:22] [INFO ] Invariant cache hit.
[2026-05-25 12:48:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:48:22] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-25 12:48:22] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 12 properties.
[2026-05-25 12:48:22] [INFO ] Invariant cache hit.
[2026-05-25 12:48:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:22] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2026-05-25 12:48:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:22] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2026-05-25 12:48:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:48:22] [INFO ] After 31ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :12
TRAPS : Iteration 0
[2026-05-25 12:48:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 18 ms
[2026-05-25 12:48:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 19 ms
[2026-05-25 12:48:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 18 ms
TRAPS : Iteration 1
[2026-05-25 12:48:22] [INFO ] After 149ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
[2026-05-25 12:48:22] [INFO ] After 257ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
[2026-05-25 12:48:22] [INFO ] Flatten gal took : 4 ms
[2026-05-25 12:48:22] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:48:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13386995973227885524.gal : 1 ms
[2026-05-25 12:48:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8787836777779918604.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/ReachabilityCardinality13386995973227885524.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8787836777779918604.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/ReachabilityCardinality8787836777779918604.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
Invariant property MIN1 does not hold.
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.09715e+13 after 7.3059e+13
Detected timeout of ITS tools.
[2026-05-25 12:48:37] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:48:37] [INFO ] Applying decomposition
[2026-05-25 12:48:37] [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/graph4062569715021640330.txt' '-o' '/tmp/graph4062569715021640330.bin' '-w' '/tmp/graph4062569715021640330.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4062569715021640330.bin' '-l' '-1' '-v' '-w' '/tmp/graph4062569715021640330.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:48:37] [INFO ] Decomposing Gal with order
[2026-05-25 12:48:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:48:37] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:48:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:48:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5790514415641002820.gal : 1 ms
[2026-05-25 12:48:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13832472962097254179.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/ReachabilityCardinality5790514415641002820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13832472962097254179.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/ReachabilityCardinality13832472962097254179.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :374408 after 6.82625e+09
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :6.82625e+09 after 6.82949e+09
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :6.82949e+09 after 6.82949e+09
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :6.82949e+09 after 6.82949e+09
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :6.82949e+09 after 7.08558e+09
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :7.08558e+09 after 1.9735e+10
Detected timeout of ITS tools.
[2026-05-25 12:48:39] [INFO ] Flatten gal took : 6 ms
[2026-05-25 12:48:39] [INFO ] Applying decomposition
[2026-05-25 12:48:39] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9822569296959671717.txt' '-o' '/tmp/graph9822569296959671717.bin' '-w' '/tmp/graph9822569296959671717.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9822569296959671717.bin' '-l' '-1' '-v' '-w' '/tmp/graph9822569296959671717.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:48:39] [INFO ] Decomposing Gal with order
[2026-05-25 12:48:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:48:39] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:48:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:48:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9929053094995681850.gal : 1 ms
[2026-05-25 12:48:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11532570858200586292.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/ReachabilityCardinality9929053094995681850.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11532570858200586292.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/ReachabilityCardinality11532570858200586292.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :2.99527e+06 after 7.63934e+11
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :7.63934e+11 after 2.54944e+12
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved -1 properties in 30410 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 193, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
[2026-05-25 12:48:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 193, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
RANDOM walk for 1000002 steps (2 resets) in 419 ms. (2380 steps per ms)
BEST_FIRST walk for 13000012 steps (26 resets) in 4603 ms. (2823 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 193, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
[2026-05-25 12:48:57] [INFO ] Invariant cache hit.
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:57] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:48:57] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:57] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:57] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-25 12:48:57] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:48:57] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:57] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:48:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:48:58] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:48:58] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 3 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:48:58] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:48:58] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:48:58] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:48:58] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 193, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:48:58] [INFO ] Invariant cache hit.
[2026-05-25 12:48:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 12:48:58] [INFO ] Invariant cache hit.
[2026-05-25 12:48:58] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:48:58] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-25 12:48:58] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
[2026-05-25 12:49:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
RANDOM walk for 1000029 steps (2 resets) in 411 ms. (2427 steps per ms)
BEST_FIRST walk for 13000011 steps (26 resets) in 4657 ms. (2790 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
[2026-05-25 12:49:14] [INFO ] Invariant cache hit.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 12:49:14] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 2 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:49:14] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 3 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 12:49:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:49:14] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:14] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 25 ms.
[2026-05-25 12:49:15] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:15] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:49:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:49:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:49:15] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:49:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:49:15] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:49:15] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:49:15] [INFO ] Invariant cache hit.
[2026-05-25 12:49:15] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 12:49:15] [INFO ] Invariant cache hit.
[2026-05-25 12:49:15] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:49:15] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 12:49:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 195, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 192] Max Struct:[+inf, 202, +inf, 202, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 202, 202]
[2026-05-25 12:49:25] [INFO ] Flatten gal took : 9 ms
[2026-05-25 12:49:25] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:49:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16407664357713489653.gal : 1 ms
[2026-05-25 12:49:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5070566216213375905.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/ReachabilityCardinality16407664357713489653.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5070566216213375905.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/ReachabilityCardinality5070566216213375905.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :192 after 30630
RANDOM walk for 40094 steps (8 resets) in 222 ms. (179 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 236585 steps, run timeout after 3001 ms. (steps per millisecond=78 ) properties seen :0 out of 17
Probabilistic random walk after 236585 steps, saw 159935 distinct states, run finished after 3001 ms. (steps per millisecond=78 ) properties seen :0
[2026-05-25 12:49:28] [INFO ] Invariant cache hit.
[2026-05-25 12:49:28] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 4 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 4 solved, 13 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 564ms problems are : Problem set: 4 solved, 13 unsolved
Fused 13 Parikh solutions to 9 different solutions.
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
Parikh walk visited 0 properties in 23453 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40141 steps (8 resets) in 56 ms. (704 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 47 ms. (833 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 51 ms. (769 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 42 ms. (930 steps per ms) remains 13/13 properties
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Interrupted probabilistic random walk after 259166 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 13
Probabilistic random walk after 259166 steps, saw 175404 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-25 12:49:55] [INFO ] Invariant cache hit.
[2026-05-25 12:49:55] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 13 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 0 solved, 13 unsolved in 268 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 518ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 4 different solutions.
Parikh walk visited 1 properties in 2796 ms.
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40076 steps (8 resets) in 46 ms. (852 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 255688 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :0 out of 12
Probabilistic random walk after 255688 steps, saw 172908 distinct states, run finished after 3001 ms. (steps per millisecond=85 ) properties seen :0
[2026-05-25 12:50:02] [INFO ] Invariant cache hit.
[2026-05-25 12:50:02] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 12 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 42 constraints, problems are : Problem set: 0 solved, 12 unsolved in 239 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 412ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 6911 ms.
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:50:09] [INFO ] Invariant cache hit.
[2026-05-25 12:50:09] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:50:09] [INFO ] Invariant cache hit.
[2026-05-25 12:50:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:50:09] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-25 12:50:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 12 properties.
[2026-05-25 12:50:09] [INFO ] Invariant cache hit.
[2026-05-25 12:50:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:09] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2026-05-25 12:50:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:09] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2026-05-25 12:50:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:50:09] [INFO ] After 19ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :12
TRAPS : Iteration 0
[2026-05-25 12:50:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2026-05-25 12:50:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
TRAPS : Iteration 1
[2026-05-25 12:50:09] [INFO ] After 134ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
[2026-05-25 12:50:09] [INFO ] After 235ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
[2026-05-25 12:50:09] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:50:09] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:50:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16215519525265676823.gal : 1 ms
[2026-05-25 12:50:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16715213195830258614.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/ReachabilityCardinality16215519525265676823.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16715213195830258614.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/ReachabilityCardinality16715213195830258614.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
Invariant property MIN1 does not hold.
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.09715e+13 after 7.3059e+13
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
Detected timeout of ITS tools.
[2026-05-25 12:50:15] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:50:15] [INFO ] Applying decomposition
[2026-05-25 12:50:15] [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/graph12350630389202194392.txt' '-o' '/tmp/graph12350630389202194392.bin' '-w' '/tmp/graph12350630389202194392.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12350630389202194392.bin' '-l' '-1' '-v' '-w' '/tmp/graph12350630389202194392.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:50:15] [INFO ] Decomposing Gal with order
[2026-05-25 12:50:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:50:15] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:50:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:50:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1630803699128804601.gal : 1 ms
[2026-05-25 12:50:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9372750537072418311.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/ReachabilityCardinality1630803699128804601.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9372750537072418311.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/ReachabilityCardinality9372750537072418311.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :2.99527e+06 after 3.56207e+11
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :3.56207e+11 after 2.91889e+12
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :2.91889e+12 after 7.12031e+12
Detected timeout of ITS tools.
[2026-05-25 12:50:24] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:50:24] [INFO ] Applying decomposition
[2026-05-25 12:50:24] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8070149517633256181.txt' '-o' '/tmp/graph8070149517633256181.bin' '-w' '/tmp/graph8070149517633256181.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8070149517633256181.bin' '-l' '-1' '-v' '-w' '/tmp/graph8070149517633256181.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:50:24] [INFO ] Decomposing Gal with order
[2026-05-25 12:50:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:50:24] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:50:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:50:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5132031733348965679.gal : 0 ms
[2026-05-25 12:50:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11649448169102260773.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/ReachabilityCardinality5132031733348965679.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11649448169102260773.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/ReachabilityCardinality11649448169102260773.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :374408 after 6.82844e+09
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :6.82844e+09 after 6.83167e+09
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :6.83167e+09 after 6.83167e+09
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :6.83167e+09 after 6.83167e+09
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :6.83167e+09 after 7.08558e+09
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :7.08558e+09 after 1.9735e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved -1 properties in 30386 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
[2026-05-25 12:50:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
RANDOM walk for 1000047 steps (2 resets) in 418 ms. (2386 steps per ms)
BEST_FIRST walk for 13000010 steps (26 resets) in 4628 ms. (2808 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
[2026-05-25 12:50:44] [INFO ] Invariant cache hit.
[2026-05-25 12:50:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:50:45] [INFO ] Added : 3 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:50:45] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:50:45] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:50:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 12:50:45] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:50:45] [INFO ] Added : 5 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:50:46] [INFO ] Invariant cache hit.
[2026-05-25 12:50:46] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 12:50:46] [INFO ] Invariant cache hit.
[2026-05-25 12:50:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:50:46] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-25 12:50:46] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 196, 2, 197, 2, 1, 3, 3, 3, 2, 1, 192, 193] Max Struct:[+inf, 201, +inf, 201, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 201, 201]
[2026-05-25 12:50:56] [INFO ] Flatten gal took : 12 ms
[2026-05-25 12:50:56] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:50:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12779506244623265489.gal : 1 ms
[2026-05-25 12:50:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7095466610102891133.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/ReachabilityCardinality12779506244623265489.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7095466610102891133.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 40100 steps (8 resets) in 73 ms. (541 steps per ms) remains 17/17 properties
Loading property file /tmp/ReachabilityCardinality7095466610102891133.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 64
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
SDD size :192 after 30630
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 256680 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :0 out of 17
Probabilistic random walk after 256680 steps, saw 173614 distinct states, run finished after 3001 ms. (steps per millisecond=85 ) properties seen :0
[2026-05-25 12:50:59] [INFO ] Invariant cache hit.
[2026-05-25 12:50:59] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
Problem MAX11 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 9/36 constraints. Problems are: Problem set: 3 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/36 constraints. Problems are: Problem set: 3 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/39 constraints. Problems are: Problem set: 3 solved, 14 unsolved
Problem MAX12 is UNSAT
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 8/47 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 1/48 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 4 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/48 constraints. Problems are: Problem set: 4 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 48 constraints, problems are : Problem set: 4 solved, 13 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 598ms problems are : Problem set: 4 solved, 13 unsolved
Fused 13 Parikh solutions to 5 different solutions.
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
Parikh walk visited 0 properties in 4160 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40036 steps (8 resets) in 88 ms. (449 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (8 resets) in 33 ms. (1176 steps per ms) remains 13/13 properties
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
Interrupted probabilistic random walk after 269869 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 13
Probabilistic random walk after 269869 steps, saw 182836 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-25 12:51:07] [INFO ] Invariant cache hit.
[2026-05-25 12:51:07] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 13 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 43 constraints, problems are : Problem set: 0 solved, 13 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 433ms problems are : Problem set: 0 solved, 13 unsolved
Fused 13 Parikh solutions to 8 different solutions.
Parikh walk visited 1 properties in 8655 ms.
Support contains 12 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40053 steps (8 resets) in 44 ms. (890 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 38 ms. (1025 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 12/12 properties
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
Interrupted probabilistic random walk after 261982 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 12
Probabilistic random walk after 261982 steps, saw 177417 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-25 12:51:19] [INFO ] Invariant cache hit.
[2026-05-25 12:51:19] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 12 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 5/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 42 constraints, problems are : Problem set: 0 solved, 12 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 405ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 5 different solutions.
Parikh walk visited 1 properties in 3871 ms.
Support contains 11 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40084 steps (8 resets) in 57 ms. (691 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 11/11 properties
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Interrupted probabilistic random walk after 275731 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 11
Probabilistic random walk after 275731 steps, saw 186867 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-25 12:51:27] [INFO ] Invariant cache hit.
[2026-05-25 12:51:27] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 6/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 11 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 6/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 41 constraints, problems are : Problem set: 0 solved, 11 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 374ms problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 6 different solutions.
Parikh walk visited 1 properties in 3829 ms.
Support contains 10 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40051 steps (8 resets) in 46 ms. (852 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 34 ms. (1142 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 286209 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :0 out of 10
Probabilistic random walk after 286209 steps, saw 194256 distinct states, run finished after 3001 ms. (steps per millisecond=95 ) properties seen :0
[2026-05-25 12:51:34] [INFO ] Invariant cache hit.
[2026-05-25 12:51:34] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 7/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 10 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 7/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 3/48 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/48 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 39 constraints, problems are : Problem set: 0 solved, 10 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 306ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 522 ms.
Support contains 10 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:51:35] [INFO ] Invariant cache hit.
[2026-05-25 12:51:35] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:51:35] [INFO ] Invariant cache hit.
[2026-05-25 12:51:35] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:51:35] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-25 12:51:35] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 10 properties.
[2026-05-25 12:51:35] [INFO ] Invariant cache hit.
[2026-05-25 12:51:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:51:35] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2026-05-25 12:51:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:51:35] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2026-05-25 12:51:35] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:51:35] [INFO ] After 19ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :10
TRAPS : Iteration 0
[2026-05-25 12:51:35] [INFO ] After 38ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
[2026-05-25 12:51:35] [INFO ] After 128ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
[2026-05-25 12:51:35] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:51:35] [INFO ] Flatten gal took : 5 ms
[2026-05-25 12:51:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17131997778026293650.gal : 0 ms
[2026-05-25 12:51:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1293220868526374776.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/ReachabilityCardinality17131997778026293650.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1293220868526374776.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/ReachabilityCardinality1293220868526374776.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
Invariant property MIN1 does not hold.
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.09715e+13 after 7.3059e+13
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
Detected timeout of ITS tools.
[2026-05-25 12:51:46] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:51:46] [INFO ] Applying decomposition
[2026-05-25 12:51:46] [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/graph862404652354638249.txt' '-o' '/tmp/graph862404652354638249.bin' '-w' '/tmp/graph862404652354638249.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph862404652354638249.bin' '-l' '-1' '-v' '-w' '/tmp/graph862404652354638249.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:51:46] [INFO ] Decomposing Gal with order
[2026-05-25 12:51:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:51:46] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:51:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 12:51:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13254689884547557115.gal : 0 ms
[2026-05-25 12:51:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9863822934041290840.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/ReachabilityCardinality13254689884547557115.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9863822934041290840.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/ReachabilityCardinality9863822934041290840.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :29376 after 8.98582e+06
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :8.98582e+06 after 1.00008e+12
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :1.00008e+12 after 2.5502e+12
Detected timeout of ITS tools.
[2026-05-25 12:51:50] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:51:50] [INFO ] Applying decomposition
[2026-05-25 12:51:50] [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/graph1788498250356553246.txt' '-o' '/tmp/graph1788498250356553246.bin' '-w' '/tmp/graph1788498250356553246.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1788498250356553246.bin' '-l' '-1' '-v' '-w' '/tmp/graph1788498250356553246.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:51:50] [INFO ] Decomposing Gal with order
[2026-05-25 12:51:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:51:50] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:51:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:51:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2811912688082146051.gal : 0 ms
[2026-05-25 12:51:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12862247285954404332.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/ReachabilityCardinality2811912688082146051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12862247285954404332.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/ReachabilityCardinality12862247285954404332.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :374408 after 6.98593e+09
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :6.98593e+09 after 6.99859e+09
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :6.99859e+09 after 6.99859e+09
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :6.99859e+09 after 6.99859e+09
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :6.99859e+09 after 7.18659e+09
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :7.18659e+09 after 1.29459e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30278 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:52:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
RANDOM walk for 1000004 steps (2 resets) in 414 ms. (2409 steps per ms)
BEST_FIRST walk for 13000008 steps (26 resets) in 4585 ms. (2834 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:52:10] [INFO ] Invariant cache hit.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 12:52:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:10] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:52:10] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 12 ms.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:10] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:52:10] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:10] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 12:52:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:10] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:52:11] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 3 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:52:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:52:11] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:52:11] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:52:11] [INFO ] Invariant cache hit.
[2026-05-25 12:52:11] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 12:52:11] [INFO ] Invariant cache hit.
[2026-05-25 12:52:11] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:52:11] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-25 12:52:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 197, 2, 197, 2, 1, 3, 3, 3, 2, 1, 193, 194] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:52:21] [INFO ] Flatten gal took : 4 ms
[2026-05-25 12:52:21] [INFO ] Flatten gal took : 4 ms
[2026-05-25 12:52:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7826726439669916158.gal : 1 ms
[2026-05-25 12:52:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6576477982720331540.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/ReachabilityCardinality7826726439669916158.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6576477982720331540.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6576477982720331540.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
RANDOM walk for 40087 steps (8 resets) in 92 ms. (431 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 252974 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 17
Probabilistic random walk after 252974 steps, saw 171012 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-25 12:52:24] [INFO ] Invariant cache hit.
[2026-05-25 12:52:24] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 9/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 8/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 47 constraints, problems are : Problem set: 0 solved, 17 unsolved in 393 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 569ms problems are : Problem set: 0 solved, 17 unsolved
Fused 17 Parikh solutions to 8 different solutions.
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
Parikh walk visited 3 properties in 9819 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40131 steps (8 resets) in 48 ms. (819 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (8 resets) in 32 ms. (1212 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 253586 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 14
Probabilistic random walk after 253586 steps, saw 171457 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-25 12:52:38] [INFO ] Invariant cache hit.
[2026-05-25 12:52:38] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 14 unsolved in 145 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 7/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 7/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 44 constraints, problems are : Problem set: 0 solved, 14 unsolved in 321 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 469ms problems are : Problem set: 0 solved, 14 unsolved
Fused 14 Parikh solutions to 6 different solutions.
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
Parikh walk visited 0 properties in 7996 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:52:46] [INFO ] Invariant cache hit.
[2026-05-25 12:52:46] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:52:46] [INFO ] Invariant cache hit.
[2026-05-25 12:52:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:52:46] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-25 12:52:46] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 14 properties.
[2026-05-25 12:52:46] [INFO ] Invariant cache hit.
[2026-05-25 12:52:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:46] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2026-05-25 12:52:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:52:47] [INFO ] After 90ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :14
[2026-05-25 12:52:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:52:47] [INFO ] After 71ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :14
TRAPS : Iteration 0
[2026-05-25 12:52:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 55 ms
[2026-05-25 12:52:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 47 ms
TRAPS : Iteration 1
[2026-05-25 12:52:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 18 ms
TRAPS : Iteration 2
[2026-05-25 12:52:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
TRAPS : Iteration 3
[2026-05-25 12:52:47] [INFO ] After 433ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :14
[2026-05-25 12:52:47] [INFO ] After 595ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :14
[2026-05-25 12:52:47] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:52:47] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:52:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17354859034988786865.gal : 0 ms
[2026-05-25 12:52:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4613301774207679569.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/ReachabilityCardinality17354859034988786865.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4613301774207679569.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/ReachabilityCardinality4613301774207679569.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
Detected timeout of ITS tools.
[2026-05-25 12:53:02] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:02] [INFO ] Applying decomposition
[2026-05-25 12:53:02] [INFO ] Flatten gal took : 2 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/graph10872548360714181484.txt' '-o' '/tmp/graph10872548360714181484.bin' '-w' '/tmp/graph10872548360714181484.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10872548360714181484.bin' '-l' '-1' '-v' '-w' '/tmp/graph10872548360714181484.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:53:02] [INFO ] Decomposing Gal with order
[2026-05-25 12:53:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:53:02] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:53:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5923825091604330812.gal : 1 ms
[2026-05-25 12:53:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1129094898809683789.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/ReachabilityCardinality5923825091604330812.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1129094898809683789.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/ReachabilityCardinality1129094898809683789.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :969 after 421209
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :421209 after 6.98717e+09
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :6.98717e+09 after 6.99064e+09
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :6.99064e+09 after 1.28285e+10
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :1.28285e+10 after 1.28286e+10
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :1.28286e+10 after 1.3072e+10
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :1.3072e+10 after 2.72457e+10
Invariant property MIN1 does not hold.
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :2.09715e+13 after 7.3059e+13
Detected timeout of ITS tools.
[2026-05-25 12:53:11] [INFO ] Flatten gal took : 6 ms
[2026-05-25 12:53:11] [INFO ] Applying decomposition
[2026-05-25 12:53:11] [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/graph3772371178600070617.txt' '-o' '/tmp/graph3772371178600070617.bin' '-w' '/tmp/graph3772371178600070617.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3772371178600070617.bin' '-l' '-1' '-v' '-w' '/tmp/graph3772371178600070617.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:53:11] [INFO ] Decomposing Gal with order
[2026-05-25 12:53:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:53:11] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:53:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15167965362400818724.gal : 1 ms
[2026-05-25 12:53:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15496717480192664380.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/ReachabilityCardinality15167965362400818724.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15496717480192664380.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/ReachabilityCardinality15496717480192664380.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :2.99527e+06 after 1.00987e+12
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :2.72457e+10 after 9.18165e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30718 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:53:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
RANDOM walk for 1000001 steps (2 resets) in 412 ms. (2421 steps per ms)
BEST_FIRST walk for 13000011 steps (26 resets) in 4596 ms. (2827 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:53:22] [INFO ] Invariant cache hit.
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:22] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:53:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:22] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:53:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:53:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:22] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:22] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:22] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:22] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:53:22] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:53:23] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:53:23] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 3 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 7 ms returned sat
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:53:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 12:53:23] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:53:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-25 12:53:23] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:53:23] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:53:23] [INFO ] Invariant cache hit.
[2026-05-25 12:53:23] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 12:53:23] [INFO ] Invariant cache hit.
[2026-05-25 12:53:23] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:53:23] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2026-05-25 12:53:23] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 20/20 places, 28/28 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {14=1} and attempted to minimize in 0 ms success -> {13=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 198, 2, 198, 2, 1, 3, 3, 3, 2, 1, 193, 195] Max Struct:[+inf, 200, +inf, 200, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 200, 200]
[2026-05-25 12:53:33] [INFO ] Flatten gal took : 9 ms
[2026-05-25 12:53:33] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3901781046536104584.gal : 1 ms
[2026-05-25 12:53:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7898793184097647240.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/ReachabilityCardinality3901781046536104584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7898793184097647240.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7898793184097647240.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :90 after 192
RANDOM walk for 40066 steps (8 resets) in 85 ms. (465 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 239602 steps, run timeout after 3001 ms. (steps per millisecond=79 ) properties seen :0 out of 17
Probabilistic random walk after 239602 steps, saw 161731 distinct states, run finished after 3001 ms. (steps per millisecond=79 ) properties seen :0
[2026-05-25 12:53:37] [INFO ] Invariant cache hit.
[2026-05-25 12:53:37] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 9/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 8/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 47 constraints, problems are : Problem set: 0 solved, 17 unsolved in 423 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 585ms problems are : Problem set: 0 solved, 17 unsolved
Fused 17 Parikh solutions to 10 different solutions.
Parikh walk visited 0 properties in 1003 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40029 steps (8 resets) in 70 ms. (563 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 6 ms. (571 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 17/17 properties
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
Interrupted probabilistic random walk after 248827 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 17
Probabilistic random walk after 248827 steps, saw 168011 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
[2026-05-25 12:53:41] [INFO ] Invariant cache hit.
[2026-05-25 12:53:41] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 28/45 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 3/48 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 4/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 28/45 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/45 variables, 9/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 3/48 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/48 variables, 8/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 47 constraints, problems are : Problem set: 0 solved, 17 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 593ms problems are : Problem set: 0 solved, 17 unsolved
Fused 17 Parikh solutions to 10 different solutions.
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :4.52978e+11 after 8.06626e+11
Parikh walk visited 0 properties in 1151 ms.
Support contains 13 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:53:43] [INFO ] Invariant cache hit.
[2026-05-25 12:53:43] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-25 12:53:43] [INFO ] Invariant cache hit.
[2026-05-25 12:53:43] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:53:43] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-25 12:53:43] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running SMT prover for 17 properties.
[2026-05-25 12:53:43] [INFO ] Invariant cache hit.
[2026-05-25 12:53:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:43] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2026-05-25 12:53:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:53:43] [INFO ] After 125ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2026-05-25 12:53:43] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:53:43] [INFO ] After 87ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :17
TRAPS : Iteration 0
[2026-05-25 12:53:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 12:53:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-25 12:53:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
TRAPS : Iteration 1
[2026-05-25 12:53:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
TRAPS : Iteration 2
[2026-05-25 12:53:44] [INFO ] After 411ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
[2026-05-25 12:53:44] [INFO ] After 624ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
[2026-05-25 12:53:44] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:44] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:53:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16189067459937373790.gal : 2 ms
[2026-05-25 12:53:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7115039219753766306.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/ReachabilityCardinality16189067459937373790.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7115039219753766306.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/ReachabilityCardinality7115039219753766306.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :36 after 39954
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :39954 after 274734
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :274734 after 2.30621e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :2.30621e+09 after 5.65601e+10
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :5.65601e+10 after 1.1507e+11
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.1507e+11 after 5.38802e+11
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :5.38802e+11 after 9.9129e+11
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :9.9129e+11 after 1.58341e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.58341e+12 after 8.41644e+12
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
Detected timeout of ITS tools.
[2026-05-25 12:53:59] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:59] [INFO ] Applying decomposition
[2026-05-25 12:53:59] [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/graph2433986594791887019.txt' '-o' '/tmp/graph2433986594791887019.bin' '-w' '/tmp/graph2433986594791887019.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2433986594791887019.bin' '-l' '-1' '-v' '-w' '/tmp/graph2433986594791887019.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:53:59] [INFO ] Decomposing Gal with order
[2026-05-25 12:53:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:53:59] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:53:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:53:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7416621581281500330.gal : 1 ms
[2026-05-25 12:53:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5598938523824707956.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/ReachabilityCardinality7416621581281500330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5598938523824707956.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/ReachabilityCardinality5598938523824707956.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :969 after 421209
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :421209 after 6.98717e+09
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :6.98717e+09 after 6.99064e+09
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :6.99064e+09 after 1.28285e+10
SDD proceeding with computation,17 properties remain. new max is 2048
SDD size :1.28285e+10 after 1.28286e+10
SDD proceeding with computation,17 properties remain. new max is 4096
SDD size :1.28286e+10 after 1.3072e+10
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :1.3072e+10 after 2.72457e+10
SDD proceeding with computation,17 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30771 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 12:54:14] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:54:14] [INFO ] Applying decomposition
[2026-05-25 12:54:14] [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/graph7851488542824195386.txt' '-o' '/tmp/graph7851488542824195386.bin' '-w' '/tmp/graph7851488542824195386.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7851488542824195386.bin' '-l' '-1' '-v' '-w' '/tmp/graph7851488542824195386.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:54:14] [INFO ] Decomposing Gal with order
[2026-05-25 12:54:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:54:14] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:54:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 12:54:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17767518559875796421.gal : 1 ms
[2026-05-25 12:54:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18215008498817011193.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/ReachabilityCardinality17767518559875796421.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18215008498817011193.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/ReachabilityCardinality18215008498817011193.prop.
SDD proceeding with computation,17 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,17 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,17 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,17 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,17 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,17 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,17 properties remain. new max is 256
SDD size :2.99527e+06 after 3.58931e+11
SDD proceeding with computation,17 properties remain. new max is 512
SDD size :3.58931e+11 after 1.26371e+12
SDD proceeding with computation,17 properties remain. new max is 1024
SDD size :1.26371e+12 after 3.71975e+12
Detected timeout of ITS tools.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:55:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10043 steps (2 resets) in 12 ms. (772 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:55:04] [INFO ] Invariant cache hit.
[2026-05-25 12:55:04] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:55:04] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:55:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:55:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:55:04] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:55:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:55:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:55:04] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:55:04] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 6 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Running 3 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16675955593850487250.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2009313532509224214.kers'
[2026-05-25 12:55:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16675955593850487250.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2009313532509224214.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:55:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2009313532509224214.kers
Total runtime 0 ms.
[2026-05-25 12:55:04] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 30 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 30 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 67ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:55:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 250 ms. (3984 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 357 ms. (2793 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:55:15] [INFO ] Invariant cache hit.
[2026-05-25 12:55:15] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:55:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:55:15] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:55:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:55:15] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:55:15] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:55:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:55:15] [INFO ] Added : 3 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:55:15] [INFO ] Invariant cache hit.
[2026-05-25 12:55:15] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:55:15] [INFO ] Invariant cache hit.
[2026-05-25 12:55:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:55:15] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
[2026-05-25 12:55:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:55:25] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:55:25] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:55:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12310903570279820802.gal : 1 ms
[2026-05-25 12:55:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9677402171091174628.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/ReachabilityCardinality12310903570279820802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9677402171091174628.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/ReachabilityCardinality9677402171091174628.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,6,0.002074,4144,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.002222,4160,1,0,5,44,7,0,26,26,0
RANDOM walk for 40001 steps (8 resets) in 36 ms. (1081 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
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-01 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 12:55:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000001 steps (2 resets) in 237 ms. (4201 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-01 in 21169 ms.
Starting property specific reduction for Murphy-PT-D3N050-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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12284919478143965520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1635700319789026862.kers'
[2026-05-25 12:55:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12284919478143965520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1635700319789026862.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:55:25] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1635700319789026862.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10036 steps (2 resets) in 7 ms. (1254 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[200]
[2026-05-25 12:55:25] [INFO ] Invariant cache hit.
[2026-05-25 12:55:25] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:55:25] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:55:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:55:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:55:25] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:55:25] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:55:25] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:55:25] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:55:25] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[195] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2026-05-25 12:55:25] [INFO ] Invariant cache hit.
[2026-05-25 12:55:25] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 16 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 45 constraints, problems are : Problem set: 0 solved, 16 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 446ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 446ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 447 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 12:55:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[195] Max Struct:[200]
RANDOM walk for 1000000 steps (2 resets) in 361 ms. (2762 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 332 ms. (3003 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[195] Max Struct:[200]
[2026-05-25 12:55:26] [INFO ] Invariant cache hit.
[2026-05-25 12:55:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:55:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:55:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:55:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:55:26] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 12:55:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:55:26] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-25 12:55:26] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:55:26] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 19 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:[195] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:55:26] [INFO ] Invariant cache hit.
[2026-05-25 12:55:26] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 12:55:26] [INFO ] Invariant cache hit.
[2026-05-25 12:55:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:55:26] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2026-05-25 12:55:26] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 12:55:26] [INFO ] Flatten gal took : 5 ms
[2026-05-25 12:55:26] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:55:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6211813384933219834.gal : 1 ms
[2026-05-25 12:55:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality151022971246255916.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/ReachabilityCardinality6211813384933219834.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality151022971246255916.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality151022971246255916.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
RANDOM walk for 40101 steps (8 resets) in 44 ms. (891 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,2 properties remain. new max is 64
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 830501 steps, run timeout after 3001 ms. (steps per millisecond=276 ) properties seen :0 out of 2
Probabilistic random walk after 830501 steps, saw 564214 distinct states, run finished after 3001 ms. (steps per millisecond=276 ) properties seen :0
[2026-05-25 12:55:29] [INFO ] Invariant cache hit.
[2026-05-25 12:55:29] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 173ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 306 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40090 steps (8 resets) in 26 ms. (1484 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 839084 steps, run timeout after 3001 ms. (steps per millisecond=279 ) properties seen :0 out of 2
Probabilistic random walk after 839084 steps, saw 570189 distinct states, run finished after 3001 ms. (steps per millisecond=279 ) properties seen :0
[2026-05-25 12:55:33] [INFO ] Invariant cache hit.
[2026-05-25 12:55:33] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 321 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:55:34] [INFO ] Invariant cache hit.
[2026-05-25 12:55:34] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:55:34] [INFO ] Invariant cache hit.
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
[2026-05-25 12:55:34] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:55:34] [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.
[2026-05-25 12:55:34] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 48 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 0 ms. Remains 8 /20 variables (removed 12) and now considering 12/28 (removed 16) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11870873801155693885.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1911870501815756599.kers'
[2026-05-25 12:55:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11870873801155693885.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1911870501815756599.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
[2026-05-25 12:55:34] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1911870501815756599.kers
Total runtime 1 ms.
[2026-05-25 12:55:34] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:55:34] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 12:55:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:55:34] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 12:55:34] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 12:55:34] [INFO ] After 6ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 12:55:34] [INFO ] After 12ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 12:55:34] [INFO ] After 43ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 12:55:34] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:55:34] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:55:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13752535852472428380.gal : 0 ms
[2026-05-25 12:55:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality141842995184586825.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/ReachabilityCardinality13752535852472428380.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality141842995184586825.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality141842995184586825.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
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 4096
SDD size :4.52978e+11 after 8.06626e+11
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.16155e+11 after 2.16195e+11
Detected timeout of ITS tools.
[2026-05-25 12:55:49] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:55:49] [INFO ] Applying decomposition
[2026-05-25 12:55:49] [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/graph8813788119760658286.txt' '-o' '/tmp/graph8813788119760658286.bin' '-w' '/tmp/graph8813788119760658286.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8813788119760658286.bin' '-l' '-1' '-v' '-w' '/tmp/graph8813788119760658286.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:55:49] [INFO ] Decomposing Gal with order
[2026-05-25 12:55:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:55:49] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:55:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 12:55:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13526838271234243010.gal : 1 ms
[2026-05-25 12:55:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8415482400181924005.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/ReachabilityCardinality13526838271234243010.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8415482400181924005.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/ReachabilityCardinality8415482400181924005.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 421209
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :421209 after 6.22169e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.01288e+10 after 1.04712e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.04712e+10 after 1.04783e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.04783e+10 after 1.04783e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.04783e+10 after 1.04786e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.81597e+10 after 1.81807e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :3.66926e+10 after 3.71055e+10
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30146 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 12:56:04] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:56:04] [INFO ] Applying decomposition
[2026-05-25 12:56:04] [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/graph798937528488806117.txt' '-o' '/tmp/graph798937528488806117.bin' '-w' '/tmp/graph798937528488806117.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph798937528488806117.bin' '-l' '-1' '-v' '-w' '/tmp/graph798937528488806117.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:56:04] [INFO ] Decomposing Gal with order
[2026-05-25 12:56:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:56:04] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:56:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:56:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14855529120451056992.gal : 0 ms
[2026-05-25 12:56:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4636774594813989664.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/ReachabilityCardinality14855529120451056992.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4636774594813989664.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/ReachabilityCardinality4636774594813989664.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :23868 after 4.49291e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :4.49291e+06 after 3.58931e+11
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.58931e+11 after 1.2637e+12
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.2637e+12 after 1.27099e+12
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.27099e+12 after 1.55133e+12
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-02 in 88805 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5262340938126305792.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18003595083446424088.kers'
[2026-05-25 12:56:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5262340938126305792.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18003595083446424088.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:56:54] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18003595083446424088.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:56:54] [INFO ] Invariant cache hit.
[2026-05-25 12:56:54] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:56:54] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:56:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:56:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:56:54] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:56:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:56:54] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:56:54] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:56:54] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Running 3 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12641618907590843495.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1447598673238336150.kers'
[2026-05-25 12:56:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12641618907590843495.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1447598673238336150.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:56:54] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1447598673238336150.kers
Total runtime 0 ms.
[2026-05-25 12:56:54] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 26 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 65ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:57:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 215 ms. (4629 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 171 ms. (5813 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:57:04] [INFO ] Invariant cache hit.
[2026-05-25 12:57:04] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 12:57:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:57:04] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:57:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:57:04] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:57:04] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:57:04] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 12:57:04] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:57:04] [INFO ] Invariant cache hit.
[2026-05-25 12:57:04] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-25 12:57:04] [INFO ] Invariant cache hit.
[2026-05-25 12:57:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:57:04] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 28 ms to find 0 implicit places.
[2026-05-25 12:57:04] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:57:14] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:57:14] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:57:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4062949387690077016.gal : 1 ms
[2026-05-25 12:57:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4898412470167232899.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/ReachabilityCardinality4062949387690077016.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4898412470167232899.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :
RANDOM walk for 40000 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 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 ...328
Loading property file /tmp/ReachabilityCardinality4898412470167232899.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,6,0.003698,4148,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.003835,4164,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40002 steps (8 resets) in 15 ms. (2500 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 12:57:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000001 steps (2 resets) in 217 ms. (4587 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-05 in 20910 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-06
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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12229844345912408802.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5306531430394465998.kers'
[2026-05-25 12:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12229844345912408802.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5306531430394465998.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:57:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5306531430394465998.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10012 steps (2 resets) in 7 ms. (1251 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[200]
[2026-05-25 12:57:15] [INFO ] Invariant cache hit.
[2026-05-25 12:57:15] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:15] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:57:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:57:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:57:15] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:57:15] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:57:15] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:57:15] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[127] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2026-05-25 12:57:15] [INFO ] Invariant cache hit.
[2026-05-25 12:57:15] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 16 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 45 constraints, problems are : Problem set: 0 solved, 16 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 379ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 380ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 381 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 12:57:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[127] Max Struct:[200]
RANDOM walk for 1000034 steps (2 resets) in 362 ms. (2754 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 327 ms. (3048 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[127] Max Struct:[200]
[2026-05-25 12:57:16] [INFO ] Invariant cache hit.
[2026-05-25 12:57:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:57:16] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:57:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:57:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:16] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:57:16] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:16] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:57:16] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:57:16] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[127] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:57:16] [INFO ] Invariant cache hit.
[2026-05-25 12:57:16] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 12:57:16] [INFO ] Invariant cache hit.
[2026-05-25 12:57:16] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:16] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-25 12:57:16] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 12:57:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[200]
RANDOM walk for 1000005 steps (2 resets) in 358 ms. (2785 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 327 ms. (3048 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[200]
[2026-05-25 12:57:17] [INFO ] Invariant cache hit.
[2026-05-25 12:57:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:17] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:57:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:57:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:17] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:57:17] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:17] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:57:17] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:57:17] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:57:17] [INFO ] Invariant cache hit.
[2026-05-25 12:57:17] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 12:57:17] [INFO ] Invariant cache hit.
[2026-05-25 12:57:17] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:17] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2026-05-25 12:57:17] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 12:57:17] [INFO ] Flatten gal took : 3 ms
[2026-05-25 12:57:17] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:57:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12829326639623673739.gal : 0 ms
[2026-05-25 12:57:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16947663371211543968.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/ReachabilityCardinality12829326639623673739.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16947663371211543968.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/ReachabilityCardinality16947663371211543968.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 192
RANDOM walk for 40106 steps (8 resets) in 41 ms. (954 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 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 770527 steps, run timeout after 3001 ms. (steps per millisecond=256 ) properties seen :0 out of 2
Probabilistic random walk after 770527 steps, saw 523236 distinct states, run finished after 3001 ms. (steps per millisecond=256 ) properties seen :0
[2026-05-25 12:57:20] [INFO ] Invariant cache hit.
[2026-05-25 12:57:20] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 250 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40090 steps (8 resets) in 26 ms. (1484 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 839618 steps, run timeout after 3001 ms. (steps per millisecond=279 ) properties seen :0 out of 2
Probabilistic random walk after 839618 steps, saw 570546 distinct states, run finished after 3001 ms. (steps per millisecond=279 ) properties seen :0
[2026-05-25 12:57:24] [INFO ] Invariant cache hit.
[2026-05-25 12:57:24] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
Parikh walk visited 0 properties in 260 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 12:57:24] [INFO ] Invariant cache hit.
[2026-05-25 12:57:24] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:57:24] [INFO ] Invariant cache hit.
[2026-05-25 12:57:24] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:57:24] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-25 12:57:24] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 48 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /20 variables (removed 12) and now considering 12/28 (removed 16) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13230137538460231171.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17300413173219946475.kers'
[2026-05-25 12:57:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13230137538460231171.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17300413173219946475.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
[2026-05-25 12:57:24] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17300413173219946475.kers
Total runtime 0 ms.
[2026-05-25 12:57:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:24] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 12:57:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:57:24] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 12:57:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 12:57:24] [INFO ] After 5ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 12:57:24] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 12:57:24] [INFO ] After 34ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 12:57:24] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:57:24] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:57:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3965152877896895824.gal : 0 ms
[2026-05-25 12:57:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10682709239279666790.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/ReachabilityCardinality3965152877896895824.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10682709239279666790.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/ReachabilityCardinality10682709239279666790.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
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 4096
SDD size :4.52978e+11 after 8.06626e+11
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
Detected timeout of ITS tools.
[2026-05-25 12:57:39] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:57:39] [INFO ] Applying decomposition
[2026-05-25 12:57:39] [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/graph5168991926999495190.txt' '-o' '/tmp/graph5168991926999495190.bin' '-w' '/tmp/graph5168991926999495190.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5168991926999495190.bin' '-l' '-1' '-v' '-w' '/tmp/graph5168991926999495190.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:57:39] [INFO ] Decomposing Gal with order
[2026-05-25 12:57:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:57:39] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:57:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:57:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16784913242149361421.gal : 0 ms
[2026-05-25 12:57:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7393480314904322955.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/ReachabilityCardinality16784913242149361421.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7393480314904322955.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/ReachabilityCardinality7393480314904322955.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 421209
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :421209 after 6.22169e+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 1.01451e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.01451e+10 after 1.01451e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.01451e+10 after 1.01453e+10
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.81597e+10 after 1.85285e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.70011e+10 after 2.70013e+10
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :8.29929e+10 after 8.34204e+10
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30125 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 12:57:54] [INFO ] Flatten gal took : 3 ms
[2026-05-25 12:57:54] [INFO ] Applying decomposition
[2026-05-25 12:57:54] [INFO ] Flatten gal took : 2 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/graph7548712925234847128.txt' '-o' '/tmp/graph7548712925234847128.bin' '-w' '/tmp/graph7548712925234847128.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7548712925234847128.bin' '-l' '-1' '-v' '-w' '/tmp/graph7548712925234847128.weights' '-q' '0' '-e' '0.001'
[2026-05-25 12:57:54] [INFO ] Decomposing Gal with order
[2026-05-25 12:57:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 12:57:54] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:57:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 12:57:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8107571743831382523.gal : 0 ms
[2026-05-25 12:57:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18202188989737653335.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/ReachabilityCardinality8107571743831382523.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18202188989737653335.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/ReachabilityCardinality18202188989737653335.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :29376 after 8.98582e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :8.98582e+06 after 3.58931e+11
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.58931e+11 after 1.2637e+12
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.2637e+12 after 1.27099e+12
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.27099e+12 after 1.5514e+12
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.5514e+12 after 4.56631e+12
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-06 in 89468 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12384531470544259029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17030030212838182039.kers'
[2026-05-25 12:58:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12384531470544259029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17030030212838182039.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:58:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17030030212838182039.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10020 steps (2 resets) in 4 ms. (2004 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:58:44] [INFO ] Invariant cache hit.
[2026-05-25 12:58:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:58:44] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:58:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:58:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:58:44] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:58:44] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:58:44] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:58:44] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:58:44] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Running 3 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10627851197999860456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6200045817863952273.kers'
[2026-05-25 12:58:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10627851197999860456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6200045817863952273.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:58:44] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6200045817863952273.kers
Total runtime 0 ms.
[2026-05-25 12:58:44] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 31 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 33 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 69ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 69ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:58:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 216 ms. (4608 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 170 ms. (5847 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:58:55] [INFO ] Invariant cache hit.
[2026-05-25 12:58:55] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:58:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:58:55] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:58:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:58:55] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 12:58:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:58:55] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 12:58:55] [INFO ] Added : 2 causal constraints over 1 iterations in 2 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:58:55] [INFO ] Invariant cache hit.
[2026-05-25 12:58:55] [INFO ] Implicit Places using invariants in 10 ms returned []
[2026-05-25 12:58:55] [INFO ] Invariant cache hit.
[2026-05-25 12:58:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:58:55] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 30 ms to find 0 implicit places.
[2026-05-25 12:58:55] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 12:59:05] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:59:05] [INFO ] Flatten gal took : 1 ms
[2026-05-25 12:59:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16784842419729036193.gal : 1 ms
[2026-05-25 12:59:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3612448008720599270.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/ReachabilityCardinality16784842419729036193.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3612448008720599270.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/ReachabilityCardinality3612448008720599270.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,6,0.00281,4144,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.00296,4156,1,0,5,44,7,0,26,26,0
RANDOM walk for 40002 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 15 ms. (2500 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 3 ms. (steps per millisecond=4 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-07 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 12:59:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 222 ms. (4484 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-07 in 20908 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6324564211894752561.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16040137046409742363.kers'
[2026-05-25 12:59:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6324564211894752561.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16040137046409742363.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:59:05] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16040137046409742363.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10046 steps (2 resets) in 4 ms. (2009 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 12:59:05] [INFO ] Invariant cache hit.
[2026-05-25 12:59:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:59:05] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:59:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:59:05] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:59:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:59:05] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:59:05] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 12:59:05] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 0 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1020703889356588360.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11833960658268275779.kers'
[2026-05-25 12:59:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1020703889356588360.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11833960658268275779.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:59:15] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11833960658268275779.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 224 ms. (4444 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 179 ms. (5555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 12:59:16] [INFO ] Invariant cache hit.
[2026-05-25 12:59:16] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:59:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:16] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:59:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:16] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 12:59:16] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:59:16] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 12:59:16] [INFO ] Added : 3 causal constraints over 2 iterations in 3 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:59:16] [INFO ] Invariant cache hit.
[2026-05-25 12:59:16] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:59:16] [INFO ] Invariant cache hit.
[2026-05-25 12:59:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:16] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 30 ms to find 0 implicit places.
[2026-05-25 12:59:16] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 12:59:26] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:59:26] [INFO ] Flatten gal took : 2 ms
[2026-05-25 12:59:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5806548228985013597.gal : 0 ms
[2026-05-25 12:59:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7500636204526851784.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/ReachabilityCardinality5806548228985013597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7500636204526851784.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7500636204526851784.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,6,0.004409,4148,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.004569,4164,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 3 ms. (steps per millisecond=4 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-08 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 12:59:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 222 ms. (4484 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-08 in 20870 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16018407878031444473.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10858793100544925711.kers'
[2026-05-25 12:59:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16018407878031444473.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10858793100544925711.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:59:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10858793100544925711.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:59:26] [INFO ] Invariant cache hit.
[2026-05-25 12:59:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:59:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:59:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:59:26] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 12:59:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:59:26] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 12:59:26] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:59:26] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 0 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4564555130602634873.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17400014043389158106.kers'
[2026-05-25 12:59:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4564555130602634873.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17400014043389158106.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:59:36] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17400014043389158106.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 226 ms. (4405 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 181 ms. (5494 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:59:36] [INFO ] Invariant cache hit.
[2026-05-25 12:59:37] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 12:59:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:37] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:59:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:37] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:59:37] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:59:37] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 12:59:37] [INFO ] Added : 3 causal constraints over 1 iterations in 2 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:59:37] [INFO ] Invariant cache hit.
[2026-05-25 12:59:37] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 12:59:37] [INFO ] Invariant cache hit.
[2026-05-25 12:59:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:37] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-25 12:59:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:59:47] [INFO ] Flatten gal took : 6 ms
[2026-05-25 12:59:47] [INFO ] Flatten gal took : 0 ms
[2026-05-25 12:59:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality880526841755435415.gal : 0 ms
[2026-05-25 12:59:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality66109429014302370.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/ReachabilityCardinality880526841755435415.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality66109429014302370.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 ...325
Loading property file /tmp/ReachabilityCardinality66109429014302370.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,6,0.002249,4152,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.002398,4168,1,0,5,44,7,0,26,26,0
RANDOM walk for 40001 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40001 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 4 ms. (steps per millisecond=3 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-09 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 12:59:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 219 ms. (4545 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-09 in 20891 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14204594273798290103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3516591145253439937.kers'
[2026-05-25 12:59:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14204594273798290103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3516591145253439937.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 12:59:47] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3516591145253439937.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 5 ms. (1667 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:59:47] [INFO ] Invariant cache hit.
[2026-05-25 12:59:47] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 12:59:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:59:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 12:59:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 12:59:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 12:59:47] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 12:59:47] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 12:59:47] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14683772377589842157.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12638019092292314725.kers'
[2026-05-25 12:59:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14683772377589842157.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12638019092292314725.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 12:59:57] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12638019092292314725.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 224 ms. (4444 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 180 ms. (5524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 12:59:57] [INFO ] Invariant cache hit.
[2026-05-25 12:59:57] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 12:59:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:57] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:59:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 12:59:57] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 12:59:57] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 12:59:57] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 12:59:57] [INFO ] Added : 3 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 12:59:57] [INFO ] Invariant cache hit.
[2026-05-25 12:59:57] [INFO ] Implicit Places using invariants in 11 ms returned []
[2026-05-25 12:59:57] [INFO ] Invariant cache hit.
[2026-05-25 12:59:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 12:59:57] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 29 ms to find 0 implicit places.
[2026-05-25 12:59:57] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 13:00:07] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:00:07] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:00:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16054961280709817747.gal : 1 ms
[2026-05-25 13:00:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3914307056014788344.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/ReachabilityCardinality16054961280709817747.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3914307056014788344.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/ReachabilityCardinality3914307056014788344.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,6,0.004234,4152,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.004628,4164,1,0,5,44,7,0,26,26,0
RANDOM walk for 40000 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 3 ms. (steps per millisecond=4 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-10 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 13:00:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000001 steps (2 resets) in 219 ms. (4545 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-10 in 20868 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4429901949307909706.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2753747798882711119.kers'
[2026-05-25 13:00:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4429901949307909706.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2753747798882711119.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 13:00:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2753747798882711119.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10023 steps (2 resets) in 5 ms. (1670 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 13:00:08] [INFO ] Invariant cache hit.
[2026-05-25 13:00:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:00:08] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 13:00:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:00:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:00:08] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:00:08] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:00:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:00:08] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:00:08] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4358465770164098601.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14048292377261434379.kers'
[2026-05-25 13:00:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4358465770164098601.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14048292377261434379.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 13:00:18] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14048292377261434379.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 224 ms. (4444 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 181 ms. (5494 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 13:00:18] [INFO ] Invariant cache hit.
[2026-05-25 13:00:18] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 13:00:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:00:18] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 13:00:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:00:18] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 13:00:18] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 13:00:18] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 13:00:18] [INFO ] Added : 3 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 13:00:18] [INFO ] Invariant cache hit.
[2026-05-25 13:00:18] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-25 13:00:18] [INFO ] Invariant cache hit.
[2026-05-25 13:00:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:00:18] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-25 13:00:18] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 5 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 13:00:28] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:00:28] [INFO ] Flatten gal took : 0 ms
[2026-05-25 13:00:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3778957595029656376.gal : 0 ms
[2026-05-25 13:00:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6671590760264095375.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/ReachabilityCardinality3778957595029656376.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6671590760264095375.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6671590760264095375.prop.
RANDOM walk for 40001 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
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,6,0.005138,4152,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.005558,4168,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
ITS tools runner thread asked to quit. Dying gracefully.
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 3 ms. (steps per millisecond=4 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-11 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 13:00:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 217 ms. (4587 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-11 in 20872 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13198594095329245352.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15673564744213417400.kers'
[2026-05-25 13:00:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13198594095329245352.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15673564744213417400.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 13:00:29] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15673564744213417400.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10024 steps (2 resets) in 5 ms. (1670 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 13:00:29] [INFO ] Invariant cache hit.
[2026-05-25 13:00:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:00:29] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:00:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:00:29] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:00:29] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:00:29] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:00:29] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:00:29] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.1 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10261149272558084757.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12857419580443162997.kers'
[2026-05-25 13:00:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10261149272558084757.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12857419580443162997.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 13:00:39] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12857419580443162997.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 223 ms. (4464 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 175 ms. (5681 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 13:00:39] [INFO ] Invariant cache hit.
[2026-05-25 13:00:39] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 13:00:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:00:39] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:00:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:00:39] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 13:00:39] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:00:39] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 13:00:39] [INFO ] Added : 2 causal constraints over 1 iterations in 2 ms. Result :sat
Minimization took 1 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 13:00:39] [INFO ] Invariant cache hit.
[2026-05-25 13:00:39] [INFO ] Implicit Places using invariants in 12 ms returned []
[2026-05-25 13:00:39] [INFO ] Invariant cache hit.
[2026-05-25 13:00:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:00:39] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-25 13:00:39] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 13:00:49] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:00:49] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:00:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality497625615905013317.gal : 1 ms
[2026-05-25 13:00:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15535733821620231455.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/ReachabilityCardinality497625615905013317.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15535733821620231455.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality15535733821620231455.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,6,0.003597,4148,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.003805,4160,1,0,5,44,7,0,26,26,0
RANDOM walk for 40000 steps (8 resets) in 29 ms. (1333 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
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 3 ms. (steps per millisecond=4 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-12 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 13:00:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 218 ms. (4566 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-12 in 20840 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3941821813706195769.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14612146577845441293.kers'
[2026-05-25 13:00:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3941821813706195769.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14612146577845441293.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 13:00:49] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14612146577845441293.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10010 steps (2 resets) in 5 ms. (1668 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 13:00:49] [INFO ] Invariant cache hit.
[2026-05-25 13:00:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:00:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:00:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:00:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:00:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 13:00:49] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:00:49] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:00:49] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:00:50] [INFO ] Added : 3 causal constraints over 2 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Graph (complete) has 56 edges and 20 vertex of which 3 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 0 ms. Remains 3 /20 variables (removed 17) and now considering 4/28 (removed 24) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/20 places, 4/28 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8024234402771611896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17343673567465059630.kers'
[2026-05-25 13:01:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8024234402771611896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17343673567465059630.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 3 cols 9 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 13:01:00] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17343673567465059630.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 225 ms. (4424 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 177 ms. (5617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 13:01:00] [INFO ] Invariant cache hit.
[2026-05-25 13:01:00] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 13:01:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:01:00] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 13:01:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:01:00] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-25 13:01:00] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:01:00] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 13:01:00] [INFO ] Added : 3 causal constraints over 2 iterations in 3 ms. Result :sat
Minimization took 1 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 13:01:00] [INFO ] Invariant cache hit.
[2026-05-25 13:01:00] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 13:01:00] [INFO ] Invariant cache hit.
[2026-05-25 13:01:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 13:01:00] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
[2026-05-25 13:01:00] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 0 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 13:01:10] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:10] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8105642410613235357.gal : 1 ms
[2026-05-25 13:01:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8045345438623842244.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/ReachabilityCardinality8105642410613235357.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8045345438623842244.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8045345438623842244.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,6,0.004863,4148,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.005135,4164,1,0,5,44,7,0,26,26,0
RANDOM walk for 40001 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 4 ms. (steps per millisecond=3 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D3N050-UpperBounds-13 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 13:01:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 213 ms. (4672 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-13 in 20863 ms.
Starting property specific reduction for Murphy-PT-D3N050-UpperBounds-14
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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7036571923039529138.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4624044913295602408.kers'
[2026-05-25 13:01:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7036571923039529138.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4624044913295602408.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 13:01:10] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4624044913295602408.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[59] Max Struct:[200]
[2026-05-25 13:01:10] [INFO ] Invariant cache hit.
[2026-05-25 13:01:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:10] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 13:01:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:01:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:10] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:01:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:01:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:01:10] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:01:10] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[59] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[127] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Running 16 sub problems to find dead transitions.
[2026-05-25 13:01:10] [INFO ] Invariant cache hit.
[2026-05-25 13:01:10] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/48 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 29 constraints, problems are : Problem set: 0 solved, 16 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 4/16 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 28/44 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 4/48 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 45 constraints, problems are : Problem set: 0 solved, 16 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 397ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 397ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 399 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:01:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[127] Max Struct:[200]
RANDOM walk for 1000033 steps (2 resets) in 360 ms. (2770 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 333 ms. (2994 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[139] Max Struct:[200]
[2026-05-25 13:01:12] [INFO ] Invariant cache hit.
[2026-05-25 13:01:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:12] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:01:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:01:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:12] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:01:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:01:12] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-25 13:01:12] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:01:12] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[139] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[185] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:01:12] [INFO ] Invariant cache hit.
[2026-05-25 13:01:12] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 13:01:12] [INFO ] Invariant cache hit.
[2026-05-25 13:01:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:01:12] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-25 13:01:12] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:01:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[185] Max Struct:[200]
RANDOM walk for 1000022 steps (2 resets) in 355 ms. (2809 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 331 ms. (3012 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[185] Max Struct:[200]
[2026-05-25 13:01:12] [INFO ] Invariant cache hit.
[2026-05-25 13:01:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:12] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:01:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:01:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:12] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:01:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:01:12] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-25 13:01:12] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:01:12] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[185] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[185] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:01:13] [INFO ] Invariant cache hit.
[2026-05-25 13:01:13] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 13:01:13] [INFO ] Invariant cache hit.
[2026-05-25 13:01:13] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:01:13] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-25 13:01:13] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:01:13] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:13] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4811554897727757027.gal : 0 ms
[2026-05-25 13:01:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6435331975811997734.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/ReachabilityCardinality4811554897727757027.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6435331975811997734.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6435331975811997734.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :192 after 30630
RANDOM walk for 40008 steps (8 resets) in 47 ms. (833 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 838044 steps, run timeout after 3001 ms. (steps per millisecond=279 ) properties seen :0 out of 2
Probabilistic random walk after 838044 steps, saw 569483 distinct states, run finished after 3001 ms. (steps per millisecond=279 ) properties seen :0
[2026-05-25 13:01:16] [INFO ] Invariant cache hit.
[2026-05-25 13:01:16] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 145ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 266 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40025 steps (8 resets) in 23 ms. (1667 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 40 ms. (975 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 832507 steps, run timeout after 3001 ms. (steps per millisecond=277 ) properties seen :0 out of 2
Probabilistic random walk after 832507 steps, saw 565660 distinct states, run finished after 3001 ms. (steps per millisecond=277 ) properties seen :0
[2026-05-25 13:01:19] [INFO ] Invariant cache hit.
[2026-05-25 13:01:19] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 272 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:01:19] [INFO ] Invariant cache hit.
[2026-05-25 13:01:19] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 13:01:19] [INFO ] Invariant cache hit.
[2026-05-25 13:01:20] [INFO ] State equation strengthened by 8 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 2048
[2026-05-25 13:01:20] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
SDD size :1.14813e+11 after 4.52978e+11
[2026-05-25 13:01:20] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 48 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /20 variables (removed 12) and now considering 12/28 (removed 16) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2798782804397156850.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11270973043201044398.kers'
[2026-05-25 13:01:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2798782804397156850.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11270973043201044398.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
[2026-05-25 13:01:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11270973043201044398.kers
Total runtime 0 ms.
[2026-05-25 13:01:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:01:20] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 13:01:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:01:20] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 13:01:20] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 13:01:20] [INFO ] After 5ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 13:01:20] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 13:01:20] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 13:01:20] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:20] [INFO ] Flatten gal took : 0 ms
[2026-05-25 13:01:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14069301584719217157.gal : 0 ms
[2026-05-25 13:01:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7470201061541924423.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/ReachabilityCardinality14069301584719217157.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7470201061541924423.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/ReachabilityCardinality7470201061541924423.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
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 4096
SDD size :4.52978e+11 after 8.06626e+11
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.57255e+09 after 4.58937e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
Detected timeout of ITS tools.
[2026-05-25 13:01:35] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:35] [INFO ] Applying decomposition
[2026-05-25 13:01:35] [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/graph5358606500843827688.txt' '-o' '/tmp/graph5358606500843827688.bin' '-w' '/tmp/graph5358606500843827688.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5358606500843827688.bin' '-l' '-1' '-v' '-w' '/tmp/graph5358606500843827688.weights' '-q' '0' '-e' '0.001'
[2026-05-25 13:01:35] [INFO ] Decomposing Gal with order
[2026-05-25 13:01:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 13:01:35] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 13:01:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13869546580314486997.gal : 0 ms
[2026-05-25 13:01:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1906794704419049344.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/ReachabilityCardinality13869546580314486997.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1906794704419049344.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/ReachabilityCardinality1906794704419049344.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 :1.85793e+12 after 5.55063e+12
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.70011e+10 after 2.72802e+10
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30123 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 13:01:50] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:01:50] [INFO ] Applying decomposition
[2026-05-25 13:01:50] [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/graph764682829761244341.txt' '-o' '/tmp/graph764682829761244341.bin' '-w' '/tmp/graph764682829761244341.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph764682829761244341.bin' '-l' '-1' '-v' '-w' '/tmp/graph764682829761244341.weights' '-q' '0' '-e' '0.001'
[2026-05-25 13:01:50] [INFO ] Decomposing Gal with order
[2026-05-25 13:01:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 13:01:50] [INFO ] Flatten gal took : 2 ms
[2026-05-25 13:01:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 13:01:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9441263336626025320.gal : 0 ms
[2026-05-25 13:01:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3876872014153624818.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/ReachabilityCardinality9441263336626025320.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3876872014153624818.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/ReachabilityCardinality3876872014153624818.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :29376 after 7.48818e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :7.48818e+06 after 3.56207e+11
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.56207e+11 after 2.91889e+12
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.91889e+12 after 7.12031e+12
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-14 in 89424 ms.
Starting property specific reduction for Murphy-PT-D3N050-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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-489517736816415804.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6796855282341181269.kers'
[2026-05-25 13:02:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-489517736816415804.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6796855282341181269.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 20 cols 68 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-25 13:02:40] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6796855282341181269.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[200]
RANDOM walk for 10017 steps (2 resets) in 5 ms. (1669 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[91] Max Struct:[200]
[2026-05-25 13:02:40] [INFO ] Invariant cache hit.
[2026-05-25 13:02:40] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:40] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 13:02:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:02:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:40] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:40] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:40] [INFO ] [Nat]Added 8 Read/Feed constraints in 2 ms returned sat
[2026-05-25 13:02:40] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 13:02:40] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[91] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[165] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:02:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[165] Max Struct:[200]
RANDOM walk for 1000016 steps (2 resets) in 358 ms. (2785 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 334 ms. (2985 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[165] Max Struct:[200]
[2026-05-25 13:02:41] [INFO ] Invariant cache hit.
[2026-05-25 13:02:41] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:41] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:02:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:41] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:41] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 13:02:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 13:02:41] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 13:02:41] [INFO ] Added : 5 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[165] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[185] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:02:41] [INFO ] Invariant cache hit.
[2026-05-25 13:02:41] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 13:02:41] [INFO ] Invariant cache hit.
[2026-05-25 13:02:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:41] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-25 13:02:41] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:02:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[185] Max Struct:[200]
RANDOM walk for 1000019 steps (2 resets) in 361 ms. (2762 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 328 ms. (3039 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[185] Max Struct:[200]
[2026-05-25 13:02:41] [INFO ] Invariant cache hit.
[2026-05-25 13:02:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:02:41] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:02:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:02:41] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:41] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:02:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-25 13:02:42] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 13:02:42] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[185] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[189] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:02:42] [INFO ] Invariant cache hit.
[2026-05-25 13:02:42] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 13:02:42] [INFO ] Invariant cache hit.
[2026-05-25 13:02:42] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:42] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-25 13:02:42] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:02:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[189] Max Struct:[200]
RANDOM walk for 1000001 steps (2 resets) in 356 ms. (2801 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 337 ms. (2958 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[189] Max Struct:[200]
[2026-05-25 13:02:42] [INFO ] Invariant cache hit.
[2026-05-25 13:02:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:02:42] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 13:02:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 13:02:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 13:02:42] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 13:02:42] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:42] [INFO ] [Nat]Added 8 Read/Feed constraints in 1 ms returned sat
[2026-05-25 13:02:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-25 13:02:42] [INFO ] Computed and/alt/rep : 16/40/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 13:02:42] [INFO ] Added : 5 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[189] Max Struct:[200]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[189] Max Struct:[200]
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:02:42] [INFO ] Invariant cache hit.
[2026-05-25 13:02:43] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 13:02:43] [INFO ] Invariant cache hit.
[2026-05-25 13:02:43] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:43] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-25 13:02:43] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 20/20 places, 28/28 transitions.
[2026-05-25 13:02:43] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:02:43] [INFO ] Flatten gal took : 0 ms
[2026-05-25 13:02:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8568676543746730709.gal : 0 ms
[2026-05-25 13:02:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8166344720531322692.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/ReachabilityCardinality8568676543746730709.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8166344720531322692.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8166344720531322692.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 192
RANDOM walk for 40033 steps (8 resets) in 35 ms. (1112 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.78854e+09 after 5.66311e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.66311e+10 after 1.14813e+11
Interrupted probabilistic random walk after 746874 steps, run timeout after 3005 ms. (steps per millisecond=248 ) properties seen :0 out of 2
Probabilistic random walk after 746874 steps, saw 507053 distinct states, run finished after 3007 ms. (steps per millisecond=248 ) properties seen :0
[2026-05-25 13:02:46] [INFO ] Invariant cache hit.
[2026-05-25 13:02:46] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 313 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
RANDOM walk for 40024 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 838908 steps, run timeout after 3030 ms. (steps per millisecond=276 ) properties seen :0 out of 2
Probabilistic random walk after 838908 steps, saw 570059 distinct states, run finished after 3030 ms. (steps per millisecond=276 ) properties seen :0
[2026-05-25 13:02:49] [INFO ] Invariant cache hit.
[2026-05-25 13:02:49] [INFO ] State equation strengthened by 8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/48 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 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, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 20/48 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/48 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/48 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 32 constraints, problems are : Problem set: 0 solved, 2 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 20/20 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 167ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.14813e+11 after 4.52978e+11
Parikh walk visited 0 properties in 286 ms.
Support contains 1 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 20/20 places, 28/28 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 28/28 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2026-05-25 13:02:50] [INFO ] Invariant cache hit.
[2026-05-25 13:02:50] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-25 13:02:50] [INFO ] Invariant cache hit.
[2026-05-25 13:02:50] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 13:02:50] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2026-05-25 13:02:50] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 20/20 places, 28/28 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 48 edges and 20 vertex of which 8 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /20 variables (removed 12) and now considering 12/28 (removed 16) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6364510808343959091.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18248968925244645475.kers'
[2026-05-25 13:02:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6364510808343959091.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18248968925244645475.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
[2026-05-25 13:02:50] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18248968925244645475.kers
Total runtime 0 ms.
[2026-05-25 13:02:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:50] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 13:02:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 13:02:50] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 13:02:50] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 13:02:50] [INFO ] After 6ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 13:02:50] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 13:02:50] [INFO ] After 46ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 13:02:50] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:02:50] [INFO ] Flatten gal took : 0 ms
[2026-05-25 13:02:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11076967899733492615.gal : 0 ms
[2026-05-25 13:02:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10200074338694307487.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/ReachabilityCardinality11076967899733492615.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10200074338694307487.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/ReachabilityCardinality10200074338694307487.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
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 4096
SDD size :4.52978e+11 after 8.06626e+11
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
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.48506e+10 after 1.4871e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.58847e+10 after 5.59122e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.06626e+11 after 1.85793e+12
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.16155e+11 after 2.16195e+11
Detected timeout of ITS tools.
[2026-05-25 13:03:05] [INFO ] Flatten gal took : 0 ms
[2026-05-25 13:03:05] [INFO ] Applying decomposition
[2026-05-25 13:03:05] [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/graph13089431884752732940.txt' '-o' '/tmp/graph13089431884752732940.bin' '-w' '/tmp/graph13089431884752732940.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13089431884752732940.bin' '-l' '-1' '-v' '-w' '/tmp/graph13089431884752732940.weights' '-q' '0' '-e' '0.001'
[2026-05-25 13:03:05] [INFO ] Decomposing Gal with order
[2026-05-25 13:03:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 13:03:05] [INFO ] Flatten gal took : 2 ms
[2026-05-25 13:03:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 13:03:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14861262972116284119.gal : 0 ms
[2026-05-25 13:03:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17096571072734652529.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/ReachabilityCardinality14861262972116284119.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17096571072734652529.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/ReachabilityCardinality17096571072734652529.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 421209
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.01288e+10 after 1.01293e+10
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.01293e+10 after 1.01293e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.01293e+10 after 1.04634e+10
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.04634e+10 after 1.04634e+10
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.04634e+10 after 1.04634e+10
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.04634e+10 after 1.04634e+10
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.85793e+12 after 5.55063e+12
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :7.05075e+10 after 7.0615e+10
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :5.55063e+12 after 2.09715e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30135 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 13:03:20] [INFO ] Flatten gal took : 2 ms
[2026-05-25 13:03:20] [INFO ] Applying decomposition
[2026-05-25 13:03:20] [INFO ] Flatten gal took : 2 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/graph15757595397712102943.txt' '-o' '/tmp/graph15757595397712102943.bin' '-w' '/tmp/graph15757595397712102943.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15757595397712102943.bin' '-l' '-1' '-v' '-w' '/tmp/graph15757595397712102943.weights' '-q' '0' '-e' '0.001'
[2026-05-25 13:03:20] [INFO ] Decomposing Gal with order
[2026-05-25 13:03:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 13:03:20] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:03:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 13:03:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10210486504305657427.gal : 0 ms
[2026-05-25 13:03:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15416112278657267748.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/ReachabilityCardinality10210486504305657427.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15416112278657267748.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/ReachabilityCardinality15416112278657267748.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2.99527e+06 after 3.58931e+11
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.58931e+11 after 1.2637e+12
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.2637e+12 after 1.27099e+12
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.27099e+12 after 1.5514e+12
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.5514e+12 after 4.56536e+12
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D3N050-UpperBounds-15 in 90167 ms.
[2026-05-25 13:04:10] [INFO ] Flatten gal took : 2 ms
[2026-05-25 13:04:10] [INFO ] Applying decomposition
[2026-05-25 13:04:10] [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/graph17502839102405846526.txt' '-o' '/tmp/graph17502839102405846526.bin' '-w' '/tmp/graph17502839102405846526.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17502839102405846526.bin' '-l' '-1' '-v' '-w' '/tmp/graph17502839102405846526.weights' '-q' '0' '-e' '0.001'
[2026-05-25 13:04:10] [INFO ] Decomposing Gal with order
[2026-05-25 13:04:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 13:04:10] [INFO ] Flatten gal took : 1 ms
[2026-05-25 13:04:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 13:04:10] [INFO ] Time to serialize gal into /tmp/UpperBounds2673580744616081616.gal : 0 ms
[2026-05-25 13:04:10] [INFO ] Time to serialize properties into /tmp/UpperBounds4624287126509686693.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/UpperBounds2673580744616081616.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4624287126509686693.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 ...283
Loading property file /tmp/UpperBounds4624287126509686693.prop.
Detected timeout of ITS tools.
[2026-05-25 13:30:36] [INFO ] Flatten gal took : 2 ms
[2026-05-25 13:30:36] [INFO ] Time to serialize gal into /tmp/UpperBounds10809232732398555010.gal : 3 ms
[2026-05-25 13:30:36] [INFO ] Time to serialize properties into /tmp/UpperBounds8271324168788866507.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/UpperBounds10809232732398555010.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8271324168788866507.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 ...305
Loading property file /tmp/UpperBounds8271324168788866507.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,5.4071e+14,50.1089,716096,2,7445,5,2.50568e+06,6,0,140,2.74917e+06,0
Total reachable state count : 540710084330928

Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property Murphy-PT-D3N050-UpperBounds-02 :0 <= p1_3 <= 199
FORMULA Murphy-PT-D3N050-UpperBounds-02 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D3N050-UpperBounds-02,0,50.1599,716096,1,0,7,2.50568e+06,9,1,381,2.74917e+06,4
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property Murphy-PT-D3N050-UpperBounds-06 :0 <= p1_2 <= 199
FORMULA Murphy-PT-D3N050-UpperBounds-06 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D3N050-UpperBounds-06,0,50.3058,716096,1,0,8,2.50568e+06,10,1,610,2.74917e+06,5
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property Murphy-PT-D3N050-UpperBounds-14 :0 <= p1_1 <= 199
FORMULA Murphy-PT-D3N050-UpperBounds-14 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D3N050-UpperBounds-14,0,50.496,716096,1,0,9,2.50568e+06,11,1,845,2.74917e+06,6
Min sum of variable value : 0
Maximum sum along a path : 199
Bounds property Murphy-PT-D3N050-UpperBounds-15 :0 <= p1_4 <= 199
FORMULA Murphy-PT-D3N050-UpperBounds-15 199 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D3N050-UpperBounds-15,0,50.4974,716096,1,0,10,2.50568e+06,12,1,1054,2.74917e+06,7
Total runtime 2793665 ms.

BK_STOP 1779715886762

--------------------
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="Murphy-PT-D3N050"
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 Murphy-PT-D3N050, 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-177969913900085"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D3N050.tgz
mv Murphy-PT-D3N050 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 ;