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-177969913900101.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-D4N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913900101
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.0K Mar 8 14:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 8 14:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.0K Mar 8 14:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K Mar 8 14:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 8 14:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Mar 8 14:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 8 14:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Mar 8 14:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:06 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 19K 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-D4N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779718974207

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-D4N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 14:22:55] [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 14:22:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:22:55] [INFO ] Load time of PNML (sax parser for PT used): 45 ms
[2026-05-25 14:22:55] [INFO ] Transformed 30 places.
[2026-05-25 14:22:55] [INFO ] Transformed 35 transitions.
[2026-05-25 14:22:55] [INFO ] Parsed PT model containing 30 places and 35 transitions and 135 arcs in 132 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[3, 1, 0, 0, 0, 50, 3, 1, 0, 1, 0, 1, 1, 1, 50, 1] 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:[3, 1, 0, 0, 0, 50, 3, 1, 0, 1, 0, 1, 1, 1, 50, 1] 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-1401404041561933864.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17431680590908253127.kers'
[2026-05-25 14:22:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1401404041561933864.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17431680590908253127.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:22:55] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17431680590908253127.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 0, 0, 0, 50, 3, 1, 0, 1, 0, 1, 1, 1, 50, 1] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
RANDOM walk for 10051 steps (2 resets) in 19 ms. (502 steps per ms)
BEST_FIRST walk for 160015 steps (32 resets) in 146 ms. (1088 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 91, 1, 2, 2, 95, 3, 78, 1, 78, 2, 85, 91, 91, 93, 89] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
[2026-05-25 14:22:55] [INFO ] Invariant cache hit.
[2026-05-25 14:22:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:22:55] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:22:55] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 14:22:55] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:22:55] [INFO ] [Real]Added 10 Read/Feed constraints in 7 ms returned sat
[2026-05-25 14:22:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 14:22:56] [INFO ] Added : 3 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 9 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 14:22:56] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Minimization took 183 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:56] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 3 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 14:22:56] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:22:56] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:56] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 75 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:56] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:22:56] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 6 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:57] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 59 ms.
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:22:57] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:57] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 59 ms.
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:22:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:57] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:22:57] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 182 ms.
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:22:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:22:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:57] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 200 ms.
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Added 10 Read/Feed constraints in 6 ms returned sat
[2026-05-25 14:22:58] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:58] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 176 ms.
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-25 14:22:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:58] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 44 ms.
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:22:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:22:58] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:22:58] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:22:58] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 91, 1, 2, 2, 95, 3, 78, 1, 78, 2, 85, 91, 91, 93, 89] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 249, 1, 2, 2, 150, 3, 251, 1, 251, 2, 251, 251, 249, 150, 251] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
Support contains 16 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 12 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2026-05-25 14:22:59] [INFO ] Invariant cache hit.
[2026-05-25 14:22:59] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 310 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 458 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 789ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 797ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 833 ms. Remains : 30/30 places, 35/35 transitions.
findPositiveTsemiflow completed in 17 ms - Found solution {19=1, 24=1, 34=1} and attempted to minimize in 1 ms success -> {17=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 249, 1, 2, 2, 150, 3, 251, 1, 251, 2, 251, 251, 249, 150, 251] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
[2026-05-25 14:23:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 249, 1, 2, 2, 150, 3, 251, 1, 251, 2, 251, 251, 249, 150, 251] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
RANDOM walk for 1000031 steps (2 resets) in 537 ms. (1858 steps per ms)
BEST_FIRST walk for 16000015 steps (32 resets) in 7319 ms. (2185 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 251, 1, 2, 2, 150, 3, 251, 1, 251, 2, 251, 251, 251, 151, 251] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, 255, +inf, 255, 255, 255, 255, 255]
[2026-05-25 14:23:18] [INFO ] Invariant cache hit.
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:18] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:23:18] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Nat]Added 10 Read/Feed constraints in 12 ms returned sat
[2026-05-25 14:23:18] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:18] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 3 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:23:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:18] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 9007 ms returned unknown
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:27] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:23:27] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 3 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:27] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 10 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:27] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 88 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:27] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 28 ms returned unsat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:27] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:27] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 111 ms returned unsat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:28] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 113 ms returned unsat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 5 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 15 ms returned unsat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 10 ms returned sat
[2026-05-25 14:23:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:28] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 50 ms.
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:28] [INFO ] [Nat]Absence check using state equation in 9 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[3, 251, 1, 2, 2, 150, 3, 251, 1, 251, 2, 251, 251, 251, 151, 251] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, 251, +inf, 251, +inf, 251, 251, 251, 255, 251]
FORMULA Murphy-PT-D4N050-UpperBounds-15 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-13 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-12 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-11 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-09 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-07 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 201] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 4 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 30/30 places, 35/35 transitions.
findPositiveTsemiflow completed in 11 ms - Found solution {19=1, 24=1, 34=1} and attempted to minimize in 0 ms success -> {17=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 201] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:23:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 201] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 1000016 steps (2 resets) in 509 ms. (1960 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 4820 ms. (2074 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 201] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:23:44] [INFO ] Invariant cache hit.
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:23:44] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:23:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:44] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:23:44] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:44] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 9007 ms returned unknown
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 4 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:53] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:23:53] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:23:53] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 4 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:53] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:53] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 0 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:23:53] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:23:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:53] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:23:54] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:54] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:23:54] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:23:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:23:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 1 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:23:54] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2026-05-25 14:23:54] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:23:54] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 201] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 235] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 30/30 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:23:54] [INFO ] Invariant cache hit.
[2026-05-25 14:23:54] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 36 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 39 ms. Remains : 25/30 places, 35/35 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {19=1} and attempted to minimize in 1 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 235] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14475000572697907918.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5686937231088280329.kers'
[2026-05-25 14:24:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14475000572697907918.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5686937231088280329.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:24:04] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5686937231088280329.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 235] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 1000058 steps (2 resets) in 477 ms. (2092 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 4084 ms. (2447 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 235] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:24:08] [INFO ] Invariant cache hit.
[2026-05-25 14:24:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:08] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:08] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:08] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:24:08] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:08] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:08] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 254 ms returned unsat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 12 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:09] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:09] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 9 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:09] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:09] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 96 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:09] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:09] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:09] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:24:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:10] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 251, 1, 2, 2, 227, 3, 1, 2, 235] Max Struct:[+inf, 251, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
FORMULA Murphy-PT-D4N050-UpperBounds-01 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 227, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 227, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:24:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 227, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 1000042 steps (2 resets) in 477 ms. (2092 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 3686 ms. (2441 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 227, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:24:24] [INFO ] Invariant cache hit.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:24] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:24] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:24] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:24] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:24] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:24] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 92 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:24] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 13 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:24] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:24] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:25] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:25] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:25] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:25] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:24:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:25] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:25] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:25] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:24:25] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:25] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 227, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:24:25] [INFO ] Invariant cache hit.
[2026-05-25 14:24:25] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:24:25] [INFO ] Invariant cache hit.
[2026-05-25 14:24:25] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:24:25] [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 14:24:25] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2026-05-25 14:24:25] [INFO ] Invariant cache hit.
[2026-05-25 14:24:25] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 589ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 589ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 652 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 10 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:24:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 1000038 steps (2 resets) in 467 ms. (2136 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 3588 ms. (2507 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2026-05-25 14:24:39] [INFO ] Invariant cache hit.
[2026-05-25 14:24:39] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:39] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:39] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:24:39] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:40] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:40] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:40] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:40] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:40] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:40] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:40] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:24:40] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:24:40] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:24:40] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:24:40] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:24:40] [INFO ] Invariant cache hit.
[2026-05-25 14:24:40] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 14:24:40] [INFO ] Invariant cache hit.
[2026-05-25 14:24:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:24:40] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 14:24:40] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 10 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 239, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 40048 steps (8 resets) in 373 ms. (107 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 156 ms. (254 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 11/11 properties
[2026-05-25 14:24:51] [INFO ] Flatten gal took : 60 ms
[2026-05-25 14:24:51] [INFO ] Flatten gal took : 9 ms
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 11/11 properties
[2026-05-25 14:24:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8955268476420185035.gal : 7 ms
[2026-05-25 14:24:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7674477047579243221.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/ReachabilityCardinality8955268476420185035.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7674477047579243221.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 110 ms. (360 steps per ms) remains 11/11 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality7674477047579243221.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40002 steps (8 resets) in 125 ms. (317 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 564623 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 11
Probabilistic random walk after 564623 steps, saw 390034 distinct states, run finished after 3005 ms. (steps per millisecond=187 ) properties seen :0
[2026-05-25 14:24:54] [INFO ] Invariant cache hit.
[2026-05-25 14:24:54] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem MAX4 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 2 solved, 9 unsolved in 269 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 2 solved, 9 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/11 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 745ms problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 1 properties in 4994 ms.
Support contains 8 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40040 steps (8 resets) in 77 ms. (513 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 92 ms. (430 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 76 ms. (519 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 247067 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 8
Probabilistic random walk after 247067 steps, saw 169431 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
[2026-05-25 14:25:03] [INFO ] Invariant cache hit.
[2026-05-25 14:25:03] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 9/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 29/46 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 7/53 variables, 5/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 2/55 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 5/60 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 8 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 9/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 29/46 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 4/39 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 2/55 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/55 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 5/60 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/60 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 0/60 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 44 constraints, problems are : Problem set: 0 solved, 8 unsolved in 271 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 415ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 770 ms.
Support contains 8 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:25:04] [INFO ] Invariant cache hit.
[2026-05-25 14:25:04] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 14:25:04] [INFO ] Invariant cache hit.
[2026-05-25 14:25:04] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:25:04] [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 14:25:04] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 4 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 8 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11398538951230805371.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3378653050461038033.kers'
[2026-05-25 14:25:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11398538951230805371.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3378653050461038033.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:25:04] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3378653050461038033.kers
Total runtime 0 ms.
[2026-05-25 14:25:04] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:04] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2026-05-25 14:25:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:04] [INFO ] After 24ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2026-05-25 14:25:04] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:25:04] [INFO ] After 102ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2026-05-25 14:25:04] [INFO ] After 125ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
[2026-05-25 14:25:04] [INFO ] After 192ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
[2026-05-25 14:25:04] [INFO ] Flatten gal took : 5 ms
[2026-05-25 14:25:04] [INFO ] Flatten gal took : 4 ms
[2026-05-25 14:25:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6678608744856612399.gal : 1 ms
[2026-05-25 14:25:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14293928120546487359.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/ReachabilityCardinality6678608744856612399.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14293928120546487359.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/ReachabilityCardinality14293928120546487359.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:25:19] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:25:19] [INFO ] Applying decomposition
[2026-05-25 14:25:20] [INFO ] Flatten gal took : 12 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/graph17488164289449557016.txt' '-o' '/tmp/graph17488164289449557016.bin' '-w' '/tmp/graph17488164289449557016.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17488164289449557016.bin' '-l' '-1' '-v' '-w' '/tmp/graph17488164289449557016.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:25:20] [INFO ] Decomposing Gal with order
[2026-05-25 14:25:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:25:20] [INFO ] Flatten gal took : 44 ms
[2026-05-25 14:25:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:25:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18047815698134434545.gal : 1 ms
[2026-05-25 14:25:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16808535025681552399.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/ReachabilityCardinality18047815698134434545.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16808535025681552399.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/ReachabilityCardinality16808535025681552399.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :969 after 421209
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :421209 after 9.48651e+12
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :9.48651e+12 after 9.50762e+12
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :9.50762e+12 after 9.50762e+12
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :9.50762e+12 after 9.50762e+12
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :9.50762e+12 after 9.50762e+12
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :9.50762e+12 after 9.50763e+12
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :9.50763e+12 after 2.86488e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30458 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:25:35] [INFO ] Flatten gal took : 6 ms
[2026-05-25 14:25:35] [INFO ] Applying decomposition
[2026-05-25 14:25:35] [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/graph2545859590160330419.txt' '-o' '/tmp/graph2545859590160330419.bin' '-w' '/tmp/graph2545859590160330419.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2545859590160330419.bin' '-l' '-1' '-v' '-w' '/tmp/graph2545859590160330419.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:25:35] [INFO ] Decomposing Gal with order
[2026-05-25 14:25:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:25:35] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:25:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:25:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11992719881457936095.gal : 1 ms
[2026-05-25 14:25:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16627956958351435311.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/ReachabilityCardinality11992719881457936095.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16627956958351435311.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/ReachabilityCardinality16627956958351435311.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :2.99527e+06 after 5.86504e+10
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :5.86504e+10 after 2.60853e+15
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2.60853e+15 after 4.91515e+15
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.91515e+15 after 4.94772e+15
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 1, 2, 2, 240, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13865663970608397587.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4003019255665322921.kers'
[2026-05-25 14:26:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13865663970608397587.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4003019255665322921.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:26:25] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4003019255665322921.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 240, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
RANDOM walk for 1000017 steps (2 resets) in 486 ms. (2053 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 3886 ms. (2315 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 240, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:26:29] [INFO ] Invariant cache hit.
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:26:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:29] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:29] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:29] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:29] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:26:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:29] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 54 ms.
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:30] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 14:26:30] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:30] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:30] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:26:30] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:26:30] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:30] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 240, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 244, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:26:30] [INFO ] Invariant cache hit.
[2026-05-25 14:26:30] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 14:26:30] [INFO ] Invariant cache hit.
[2026-05-25 14:26:30] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:26:30] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-25 14:26:30] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 244, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:26:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 244, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
RANDOM walk for 1000051 steps (2 resets) in 486 ms. (2053 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 3757 ms. (2394 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 244, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:26:44] [INFO ] Invariant cache hit.
[2026-05-25 14:26:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:26:44] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:44] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:44] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:44] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:44] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:44] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:45] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:45] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:45] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 45 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:45] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 9 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:45] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:45] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:26:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:26:45] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:45] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 244, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:26:45] [INFO ] Invariant cache hit.
[2026-05-25 14:26:45] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:26:45] [INFO ] Invariant cache hit.
[2026-05-25 14:26:45] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:26:45] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-25 14:26:45] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 1 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:26:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
RANDOM walk for 1000014 steps (2 resets) in 475 ms. (2100 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 3737 ms. (2407 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:26:59] [INFO ] Invariant cache hit.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:27:00] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 8 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:27:00] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 14:27:00] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:27:00] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:27:00] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:27:00] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:27:00] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:27:00] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:27:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:27:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:27:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 14:27:00] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:27:00] [INFO ] Invariant cache hit.
[2026-05-25 14:27:00] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 14:27:00] [INFO ] Invariant cache hit.
[2026-05-25 14:27:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:27:00] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-25 14:27:00] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 254, +inf, +inf, +inf, 254]
[2026-05-25 14:27:10] [INFO ] Flatten gal took : 16 ms
[2026-05-25 14:27:10] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:27:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14634372734679886333.gal : 1 ms
[2026-05-25 14:27:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16960610013572818542.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/ReachabilityCardinality14634372734679886333.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16960610013572818542.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/ReachabilityCardinality16960610013572818542.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
RANDOM walk for 40095 steps (8 resets) in 95 ms. (417 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 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 31 ms. (1250 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 52 ms. (754 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
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 38 ms. (1025 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 45 ms. (869 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 592360 steps, run timeout after 3001 ms. (steps per millisecond=197 ) properties seen :0 out of 11
Probabilistic random walk after 592360 steps, saw 409687 distinct states, run finished after 3001 ms. (steps per millisecond=197 ) properties seen :0
[2026-05-25 14:27:14] [INFO ] Invariant cache hit.
[2026-05-25 14:27:14] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 11 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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
Problem MAX4 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 0/40 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 2/55 variables, 1/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/55 variables, 1/42 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 0/42 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 5/60 variables, 3/45 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/60 variables, 1/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 0/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 0/60 variables, 0/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 46 constraints, problems are : Problem set: 2 solved, 9 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 679ms problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1661 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40127 steps (8 resets) in 39 ms. (1003 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 55 ms. (714 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 508827 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 9
Probabilistic random walk after 508827 steps, saw 352319 distinct states, run finished after 3001 ms. (steps per millisecond=169 ) properties seen :0
[2026-05-25 14:27:19] [INFO ] Invariant cache hit.
[2026-05-25 14:27:19] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 9 unsolved in 269 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 0 solved, 9 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 709ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 3170 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:27:23] [INFO ] Invariant cache hit.
[2026-05-25 14:27:23] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 14:27:23] [INFO ] Invariant cache hit.
[2026-05-25 14:27:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:27:23] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-25 14:27:23] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 9 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5556085844660247601.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10672340848244682753.kers'
[2026-05-25 14:27:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5556085844660247601.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10672340848244682753.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:27:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10672340848244682753.kers
Total runtime 0 ms.
[2026-05-25 14:27:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:23] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-25 14:27:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:27:23] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-25 14:27:23] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:27:23] [INFO ] After 23ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-25 14:27:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 14:27:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 40 ms
TRAPS : Iteration 1
[2026-05-25 14:27:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-25 14:27:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 57 ms
TRAPS : Iteration 2
[2026-05-25 14:27:23] [INFO ] After 282ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:27:23] [INFO ] After 378ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:27:23] [INFO ] Flatten gal took : 7 ms
[2026-05-25 14:27:23] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:27:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12560810137871925227.gal : 1 ms
[2026-05-25 14:27:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4384463909988858286.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/ReachabilityCardinality12560810137871925227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4384463909988858286.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/ReachabilityCardinality4384463909988858286.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:27:38] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:27:38] [INFO ] Applying decomposition
[2026-05-25 14:27:39] [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/graph12750526829732337092.txt' '-o' '/tmp/graph12750526829732337092.bin' '-w' '/tmp/graph12750526829732337092.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12750526829732337092.bin' '-l' '-1' '-v' '-w' '/tmp/graph12750526829732337092.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:27:39] [INFO ] Decomposing Gal with order
[2026-05-25 14:27:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:27:39] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:27:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:27:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12623232122217772581.gal : 1 ms
[2026-05-25 14:27:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6687791802500179280.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/ReachabilityCardinality12623232122217772581.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6687791802500179280.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/ReachabilityCardinality6687791802500179280.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :6.41708e+07 after 9.71162e+12
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :9.71162e+12 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :9.72197e+12 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :9.72197e+12 after 9.72232e+12
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :9.72232e+12 after 9.73283e+12
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :9.73283e+12 after 2.82587e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30512 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:27:54] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:27:54] [INFO ] Applying decomposition
[2026-05-25 14:27:54] [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/graph4623489618582219003.txt' '-o' '/tmp/graph4623489618582219003.bin' '-w' '/tmp/graph4623489618582219003.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4623489618582219003.bin' '-l' '-1' '-v' '-w' '/tmp/graph4623489618582219003.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:27:54] [INFO ] Decomposing Gal with order
[2026-05-25 14:27:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:27:54] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:27:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:27:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17283036586352977062.gal : 0 ms
[2026-05-25 14:27:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15090958615859277845.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/ReachabilityCardinality17283036586352977062.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15090958615859277845.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/ReachabilityCardinality15090958615859277845.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :29376 after 8.98582e+06
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :8.98582e+06 after 2.44792e+14
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :2.44792e+14 after 3.12067e+15
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :3.12067e+15 after 1.26845e+16
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9754955125462634384.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-484151140796062528.kers'
[2026-05-25 14:28:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9754955125462634384.kers, --Pflows, --basisKERS=/tmp/petrispot-output-484151140796062528.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:28:44] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-484151140796062528.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
RANDOM walk for 1000049 steps (2 resets) in 475 ms. (2100 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 3683 ms. (2442 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
[2026-05-25 14:28:48] [INFO ] Invariant cache hit.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 14:28:48] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 8 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:48] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:28:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:28:48] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:28:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:28:49] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:28:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:28:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:28:49] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:28:49] [INFO ] Invariant cache hit.
[2026-05-25 14:28:49] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 14:28:49] [INFO ] Invariant cache hit.
[2026-05-25 14:28:49] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:28:49] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2026-05-25 14:28:49] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 253, +inf, +inf, +inf, 253]
[2026-05-25 14:28:59] [INFO ] Flatten gal took : 6 ms
[2026-05-25 14:28:59] [INFO ] Flatten gal took : 4 ms
[2026-05-25 14:28:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3958510033383597548.gal : 1 ms
[2026-05-25 14:28:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6607731265320391352.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/ReachabilityCardinality3958510033383597548.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6607731265320391352.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/ReachabilityCardinality6607731265320391352.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
RANDOM walk for 40084 steps (8 resets) in 51 ms. (770 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 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 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
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 44 ms. (888 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 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
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 588598 steps, run timeout after 3001 ms. (steps per millisecond=196 ) properties seen :0 out of 11
Probabilistic random walk after 588598 steps, saw 407002 distinct states, run finished after 3001 ms. (steps per millisecond=196 ) properties seen :0
[2026-05-25 14:29:02] [INFO ] Invariant cache hit.
[2026-05-25 14:29:02] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 29/46 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 7/53 variables, 5/29 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 2/55 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 5/60 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 11 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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
Problem MAX4 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 2 solved, 9 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/11 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 854ms problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3905 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40074 steps (8 resets) in 61 ms. (646 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 34 ms. (1142 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 230794 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 9
Probabilistic random walk after 230794 steps, saw 158025 distinct states, run finished after 3001 ms. (steps per millisecond=76 ) properties seen :0
[2026-05-25 14:29:10] [INFO ] Invariant cache hit.
[2026-05-25 14:29:10] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 9 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 0 solved, 9 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 837ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 847 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:29:12] [INFO ] Invariant cache hit.
[2026-05-25 14:29:12] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 14:29:12] [INFO ] Invariant cache hit.
[2026-05-25 14:29:12] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:29:12] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-25 14:29:12] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 9 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7227391792281562419.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5771293028348908020.kers'
[2026-05-25 14:29:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7227391792281562419.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5771293028348908020.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:29:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5771293028348908020.kers
Total runtime 0 ms.
[2026-05-25 14:29:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:29:12] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-25 14:29:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:29:12] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-25 14:29:12] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:29:12] [INFO ] After 24ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-25 14:29:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2026-05-25 14:29:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
TRAPS : Iteration 1
[2026-05-25 14:29:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 22 ms
[2026-05-25 14:29:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 43 ms
TRAPS : Iteration 2
[2026-05-25 14:29:12] [INFO ] After 218ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:29:12] [INFO ] After 312ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:29:12] [INFO ] Flatten gal took : 6 ms
[2026-05-25 14:29:12] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:29:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4709561143182738786.gal : 1 ms
[2026-05-25 14:29:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality294799893046541061.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/ReachabilityCardinality4709561143182738786.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality294799893046541061.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/ReachabilityCardinality294799893046541061.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:29:27] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:29:27] [INFO ] Applying decomposition
[2026-05-25 14:29:27] [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/graph2914527260139722460.txt' '-o' '/tmp/graph2914527260139722460.bin' '-w' '/tmp/graph2914527260139722460.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2914527260139722460.bin' '-l' '-1' '-v' '-w' '/tmp/graph2914527260139722460.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:29:27] [INFO ] Decomposing Gal with order
[2026-05-25 14:29:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:29:27] [INFO ] Flatten gal took : 10 ms
[2026-05-25 14:29:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:29:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6734316861012282736.gal : 5 ms
[2026-05-25 14:29:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3071869005140947220.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/ReachabilityCardinality6734316861012282736.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3071869005140947220.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/ReachabilityCardinality3071869005140947220.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :374408 after 7.51715e+11
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :7.51715e+11 after 9.77741e+12
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :9.77741e+12 after 9.77741e+12
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :9.77741e+12 after 9.77741e+12
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :9.77741e+12 after 1.79312e+13
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :1.79312e+13 after 1.82778e+13
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :1.82778e+13 after 1.82778e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30472 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:29:42] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:29:42] [INFO ] Applying decomposition
[2026-05-25 14:29:42] [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/graph415361897570863491.txt' '-o' '/tmp/graph415361897570863491.bin' '-w' '/tmp/graph415361897570863491.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph415361897570863491.bin' '-l' '-1' '-v' '-w' '/tmp/graph415361897570863491.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:29:42] [INFO ] Decomposing Gal with order
[2026-05-25 14:29:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:29:42] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:29:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:29:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9593454815431949021.gal : 1 ms
[2026-05-25 14:29:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7121924629711883963.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/ReachabilityCardinality9593454815431949021.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7121924629711883963.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/ReachabilityCardinality7121924629711883963.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :2.99527e+06 after 5.86504e+10
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :5.86504e+10 after 2.50932e+14
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :2.50932e+14 after 1.00944e+15
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6112545457952532634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1199893443897043582.kers'
[2026-05-25 14:30:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6112545457952532634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1199893443897043582.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:30:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1199893443897043582.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
RANDOM walk for 1000024 steps (2 resets) in 494 ms. (2020 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 3725 ms. (2415 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
[2026-05-25 14:30:36] [INFO ] Invariant cache hit.
[2026-05-25 14:30:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:36] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:36] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:30:36] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:30:36] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:30:36] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:30:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:36] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:30:36] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:30:37] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:30:37] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:30:37] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:30:37] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 20 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:30:37] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:30:37] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:30:37] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:30:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:30:37] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:30:37] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:30:37] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:30:37] [INFO ] Invariant cache hit.
[2026-05-25 14:30:37] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 14:30:37] [INFO ] Invariant cache hit.
[2026-05-25 14:30:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:30:37] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-25 14:30:37] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 8 ms - Found solution {19=1} and attempted to minimize in 1 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 252, +inf, +inf, +inf, 252]
[2026-05-25 14:30:47] [INFO ] Flatten gal took : 12 ms
[2026-05-25 14:30:47] [INFO ] Flatten gal took : 8 ms
[2026-05-25 14:30:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15434079885817098461.gal : 1 ms
[2026-05-25 14:30:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12528519327692134386.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/ReachabilityCardinality15434079885817098461.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12528519327692134386.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/ReachabilityCardinality12528519327692134386.prop.
RANDOM walk for 40113 steps (8 resets) in 55 ms. (716 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 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 33 ms. (1176 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 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 30 ms. (1290 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 219588 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 11
Probabilistic random walk after 219588 steps, saw 150529 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
[2026-05-25 14:30:50] [INFO ] Invariant cache hit.
[2026-05-25 14:30:50] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 29/46 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 7/53 variables, 5/29 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 2/55 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 5/60 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 11 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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
Problem MAX4 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 2 solved, 9 unsolved in 1079 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/11 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1251ms problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2956 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40066 steps (8 resets) in 47 ms. (834 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 241089 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :0 out of 9
Probabilistic random walk after 241089 steps, saw 165185 distinct states, run finished after 3001 ms. (steps per millisecond=80 ) properties seen :0
[2026-05-25 14:30:58] [INFO ] Invariant cache hit.
[2026-05-25 14:30:58] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 9 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 0 solved, 9 unsolved in 390 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 575ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 2962 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:31:01] [INFO ] Invariant cache hit.
[2026-05-25 14:31:01] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 14:31:01] [INFO ] Invariant cache hit.
[2026-05-25 14:31:01] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:31:01] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-25 14:31:01] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 9 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11873872875130798861.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11648759762184592909.kers'
[2026-05-25 14:31:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11873872875130798861.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11648759762184592909.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:31:01] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11648759762184592909.kers
Total runtime 0 ms.
[2026-05-25 14:31:01] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:31:01] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-25 14:31:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:31:02] [INFO ] After 47ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-25 14:31:02] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:31:02] [INFO ] After 23ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-25 14:31:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-25 14:31:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
TRAPS : Iteration 1
[2026-05-25 14:31:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-25 14:31:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 52 ms
TRAPS : Iteration 2
[2026-05-25 14:31:02] [INFO ] After 253ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:31:02] [INFO ] After 347ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:31:02] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:31:02] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:31:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7878068401639551292.gal : 1 ms
[2026-05-25 14:31:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2895862714205768977.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/ReachabilityCardinality7878068401639551292.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2895862714205768977.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/ReachabilityCardinality2895862714205768977.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:31:17] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:31:17] [INFO ] Applying decomposition
[2026-05-25 14:31:17] [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/graph17327768604776086578.txt' '-o' '/tmp/graph17327768604776086578.bin' '-w' '/tmp/graph17327768604776086578.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17327768604776086578.bin' '-l' '-1' '-v' '-w' '/tmp/graph17327768604776086578.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:31:17] [INFO ] Decomposing Gal with order
[2026-05-25 14:31:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:31:17] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:31:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:31:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12254296533186227418.gal : 1 ms
[2026-05-25 14:31:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7245291307439247994.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/ReachabilityCardinality12254296533186227418.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7245291307439247994.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/ReachabilityCardinality7245291307439247994.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :6.41708e+07 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :9.72197e+12 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :9.72197e+12 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :9.72197e+12 after 9.72197e+12
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :9.72197e+12 after 9.73283e+12
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :9.73283e+12 after 2.82587e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30478 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:31:32] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:31:32] [INFO ] Applying decomposition
[2026-05-25 14:31:32] [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/graph871719282138143934.txt' '-o' '/tmp/graph871719282138143934.bin' '-w' '/tmp/graph871719282138143934.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph871719282138143934.bin' '-l' '-1' '-v' '-w' '/tmp/graph871719282138143934.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:31:32] [INFO ] Decomposing Gal with order
[2026-05-25 14:31:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:31:32] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:31:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:31:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10473913118872986564.gal : 1 ms
[2026-05-25 14:31:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8566905284831513256.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/ReachabilityCardinality10473913118872986564.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8566905284831513256.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/ReachabilityCardinality8566905284831513256.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 144
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :144 after 468
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :468 after 1080
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :1080 after 23868
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :23868 after 2.99527e+06
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :2.99527e+06 after 5.86504e+10
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :5.86504e+10 after 2.50956e+14
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14993555669392344251.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7044624702634217396.kers'
[2026-05-25 14:32:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14993555669392344251.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7044624702634217396.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:32:22] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7044624702634217396.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
RANDOM walk for 1000030 steps (2 resets) in 479 ms. (2083 steps per ms)
BEST_FIRST walk for 9000007 steps (18 resets) in 3776 ms. (2382 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
[2026-05-25 14:32:26] [INFO ] Invariant cache hit.
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:32:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:32:26] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:32:26] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:26] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:32:26] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:32:26] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:26] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:32:26] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:32:26] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:32:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:27] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:27] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:32:27] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:27] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:32:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:32:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:32:27] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:32:27] [INFO ] Invariant cache hit.
[2026-05-25 14:32:27] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 14:32:27] [INFO ] Invariant cache hit.
[2026-05-25 14:32:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:32:27] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-25 14:32:27] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 10 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 251, +inf, +inf, +inf, 251]
[2026-05-25 14:32:37] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:32:37] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:32:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2311783771392223824.gal : 1 ms
[2026-05-25 14:32:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15629559342269097608.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/ReachabilityCardinality2311783771392223824.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15629559342269097608.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/ReachabilityCardinality15629559342269097608.prop.
RANDOM walk for 40109 steps (8 resets) in 71 ms. (557 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 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 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 647245 steps, run timeout after 3001 ms. (steps per millisecond=215 ) properties seen :0 out of 11
Probabilistic random walk after 647245 steps, saw 447057 distinct states, run finished after 3001 ms. (steps per millisecond=215 ) properties seen :0
[2026-05-25 14:32:40] [INFO ] Invariant cache hit.
[2026-05-25 14:32:40] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 29/46 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 7/53 variables, 5/29 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 2/55 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 5/60 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 11 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem MAX8 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 5/30 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/30 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/35 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/37 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/41 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Problem MAX4 is UNSAT
At refinement iteration 16 (INCLUDED_ONLY) 0/60 variables, 2/48 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 0/48 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 0/60 variables, 0/48 constraints. Problems are: Problem set: 2 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 48 constraints, problems are : Problem set: 2 solved, 9 unsolved in 479 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 665ms problems are : Problem set: 2 solved, 9 unsolved
Fused 9 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 2475 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40053 steps (8 resets) in 56 ms. (702 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 741304 steps, run timeout after 3001 ms. (steps per millisecond=247 ) properties seen :0 out of 9
Probabilistic random walk after 741304 steps, saw 514598 distinct states, run finished after 3001 ms. (steps per millisecond=247 ) properties seen :0
[2026-05-25 14:32:47] [INFO ] Invariant cache hit.
[2026-05-25 14:32:47] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 9 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 7/53 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/55 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/55 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 5/60 variables, 3/46 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/60 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 0 solved, 9 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 639ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1498 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:32:49] [INFO ] Invariant cache hit.
[2026-05-25 14:32:49] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 14:32:49] [INFO ] Invariant cache hit.
[2026-05-25 14:32:49] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:32:49] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 14:32:49] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 9 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3455046432975327586.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15173773170654692103.kers'
[2026-05-25 14:32:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3455046432975327586.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15173773170654692103.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:32:49] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15173773170654692103.kers
Total runtime 0 ms.
[2026-05-25 14:32:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:32:49] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-25 14:32:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:32:49] [INFO ] After 48ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-25 14:32:49] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:32:49] [INFO ] After 23ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-25 14:32:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-25 14:32:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
TRAPS : Iteration 1
[2026-05-25 14:32:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2026-05-25 14:32:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 53 ms
TRAPS : Iteration 2
[2026-05-25 14:32:49] [INFO ] After 246ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:32:49] [INFO ] After 342ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2026-05-25 14:32:49] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:32:49] [INFO ] Flatten gal took : 9 ms
[2026-05-25 14:32:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13205643188476655743.gal : 0 ms
[2026-05-25 14:32:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4937396982973196596.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/ReachabilityCardinality13205643188476655743.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4937396982973196596.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/ReachabilityCardinality4937396982973196596.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:33:04] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:33:04] [INFO ] Applying decomposition
[2026-05-25 14:33:04] [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/graph17444072518190580437.txt' '-o' '/tmp/graph17444072518190580437.bin' '-w' '/tmp/graph17444072518190580437.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17444072518190580437.bin' '-l' '-1' '-v' '-w' '/tmp/graph17444072518190580437.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:33:04] [INFO ] Decomposing Gal with order
[2026-05-25 14:33:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:33:04] [INFO ] Flatten gal took : 4 ms
[2026-05-25 14:33:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:33:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality793021622153912955.gal : 0 ms
[2026-05-25 14:33:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12915844941031322563.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/ReachabilityCardinality793021622153912955.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12915844941031322563.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/ReachabilityCardinality12915844941031322563.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :374408 after 6.21793e+07
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :6.21793e+07 after 9.72171e+12
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :9.72171e+12 after 9.72836e+12
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :9.72836e+12 after 9.72836e+12
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :9.72836e+12 after 9.72837e+12
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :9.72837e+12 after 9.72838e+12
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :9.72838e+12 after 2.82655e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30500 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:33:19] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:33:19] [INFO ] Applying decomposition
[2026-05-25 14:33:19] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15551852912850542929.txt' '-o' '/tmp/graph15551852912850542929.bin' '-w' '/tmp/graph15551852912850542929.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15551852912850542929.bin' '-l' '-1' '-v' '-w' '/tmp/graph15551852912850542929.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:33:19] [INFO ] Decomposing Gal with order
[2026-05-25 14:33:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:33:19] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:33:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:33:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8294411669792058238.gal : 0 ms
[2026-05-25 14:33:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7148904834740039516.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/ReachabilityCardinality8294411669792058238.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7148904834740039516.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/ReachabilityCardinality7148904834740039516.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :969 after 253206
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :253206 after 269178
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :269178 after 1.46161e+13
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :1.46161e+13 after 4.70201e+13
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :4.70201e+13 after 4.712e+13
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :4.712e+13 after 4.712e+13
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :4.712e+13 after 1.35432e+14
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :1.35432e+14 after 3.24169e+14
Detected timeout of ITS tools.
Current structural bounds on expressions (after reachability check) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15382715482102864673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14049738040119211857.kers'
[2026-05-25 14:34:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15382715482102864673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14049738040119211857.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:34:09] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14049738040119211857.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
RANDOM walk for 1000000 steps (2 resets) in 464 ms. (2150 steps per ms)
BEST_FIRST walk for 9000008 steps (18 resets) in 3766 ms. (2389 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
[2026-05-25 14:34:14] [INFO ] Invariant cache hit.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:34:14] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 8 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:34:14] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:34:14] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:34:14] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:34:14] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:34:14] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:34:14] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:34:14] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:34:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:34:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:34:14] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:34:14] [INFO ] Invariant cache hit.
[2026-05-25 14:34:14] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:34:14] [INFO ] Invariant cache hit.
[2026-05-25 14:34:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:34:14] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2026-05-25 14:34:14] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 25/25 places, 35/35 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {19=1} and attempted to minimize in 0 ms success -> {19=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 1, 2, 2, 247, 3, 1, 2, 249] Max Struct:[+inf, +inf, +inf, +inf, 250, +inf, +inf, +inf, 250]
[2026-05-25 14:34:24] [INFO ] Flatten gal took : 4 ms
[2026-05-25 14:34:24] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:34:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5832340905712192280.gal : 1 ms
[2026-05-25 14:34:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3704855537180405203.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/ReachabilityCardinality5832340905712192280.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3704855537180405203.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/ReachabilityCardinality3704855537180405203.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :90 after 192
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :192 after 30630
RANDOM walk for 40011 steps (8 resets) in 58 ms. (678 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :30630 after 243534
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 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 40004 steps (8 resets) in 37 ms. (1052 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 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 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 31 ms. (1250 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :243534 after 1.78854e+09
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :1.78854e+09 after 1.89814e+13
Interrupted probabilistic random walk after 652171 steps, run timeout after 3001 ms. (steps per millisecond=217 ) properties seen :0 out of 11
Probabilistic random walk after 652171 steps, saw 450645 distinct states, run finished after 3001 ms. (steps per millisecond=217 ) properties seen :0
[2026-05-25 14:34:28] [INFO ] Invariant cache hit.
[2026-05-25 14:34:28] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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
All remaining problems are real, not stopping.
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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 11 unsolved in 208 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/46 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 7/53 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/53 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 2/55 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/55 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 5/60 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/60 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (OVERLAPS) 0/60 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 50 constraints, problems are : Problem set: 0 solved, 11 unsolved in 661 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 889ms problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 2712 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40056 steps (8 resets) in 65 ms. (606 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 32 ms. (1212 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 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 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 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 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 607890 steps, run timeout after 3002 ms. (steps per millisecond=202 ) properties seen :0 out of 11
Probabilistic random walk after 607890 steps, saw 419966 distinct states, run finished after 3002 ms. (steps per millisecond=202 ) properties seen :0
[2026-05-25 14:34:34] [INFO ] Invariant cache hit.
[2026-05-25 14:34:35] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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
All remaining problems are real, not stopping.
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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 7/53 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/53 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/53 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/55 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/55 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 5/60 variables, 3/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 11 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 8/17 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) 29/46 variables, 17/19 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/46 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/46 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 7/53 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/53 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/53 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/53 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/53 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 2/55 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/55 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/55 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 5/60 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/60 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/60 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (OVERLAPS) 0/60 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 50 constraints, problems are : Problem set: 0 solved, 11 unsolved in 668 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 867ms problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 3322 ms.
Support contains 9 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:34:39] [INFO ] Invariant cache hit.
[2026-05-25 14:34:39] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 14:34:39] [INFO ] Invariant cache hit.
[2026-05-25 14:34:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:34:39] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-25 14:34:39] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 22 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 0 ms. Remains 22 /25 variables (removed 3) and now considering 31/35 (removed 4) transitions.
Running SMT prover for 11 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-213181720591745898.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2434736970876850232.kers'
[2026-05-25 14:34:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-213181720591745898.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2434736970876850232.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 31 rows 22 cols 76 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-25 14:34:39] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2434736970876850232.kers
Total runtime 0 ms.
[2026-05-25 14:34:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:34:39] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2026-05-25 14:34:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:34:39] [INFO ] After 53ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2026-05-25 14:34:39] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 14:34:39] [INFO ] After 56ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2026-05-25 14:34:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-25 14:34:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2026-05-25 14:34:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
TRAPS : Iteration 1
[2026-05-25 14:34:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 19 ms
TRAPS : Iteration 2
[2026-05-25 14:34:39] [INFO ] After 433ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
[2026-05-25 14:34:39] [INFO ] After 591ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
[2026-05-25 14:34:39] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:34:39] [INFO ] Flatten gal took : 0 ms
[2026-05-25 14:34:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15071002205908419618.gal : 0 ms
[2026-05-25 14:34:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10768227544337073591.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/ReachabilityCardinality15071002205908419618.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10768227544337073591.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/ReachabilityCardinality10768227544337073591.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 42
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :198 after 44760
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :44760 after 275526
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :275526 after 3.85949e+08
Detected timeout of ITS tools.
[2026-05-25 14:34:54] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:34:54] [INFO ] Applying decomposition
[2026-05-25 14:34:54] [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/graph5195989384626464811.txt' '-o' '/tmp/graph5195989384626464811.bin' '-w' '/tmp/graph5195989384626464811.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5195989384626464811.bin' '-l' '-1' '-v' '-w' '/tmp/graph5195989384626464811.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:34:54] [INFO ] Decomposing Gal with order
[2026-05-25 14:34:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:34:54] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:34:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:34:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8307789987730767458.gal : 1 ms
[2026-05-25 14:34:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14792440714393986367.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/ReachabilityCardinality8307789987730767458.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14792440714393986367.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/ReachabilityCardinality14792440714393986367.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :36 after 969
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :969 after 374408
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :374408 after 6.41708e+07
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :6.41708e+07 after 9.72651e+12
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :9.72651e+12 after 9.72651e+12
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :9.72651e+12 after 9.72651e+12
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :9.72651e+12 after 9.72658e+12
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :9.72658e+12 after 9.72844e+12
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :9.72844e+12 after 2.82655e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30717 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:35:09] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:35:09] [INFO ] Applying decomposition
[2026-05-25 14:35:09] [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/graph1896952086139151974.txt' '-o' '/tmp/graph1896952086139151974.bin' '-w' '/tmp/graph1896952086139151974.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1896952086139151974.bin' '-l' '-1' '-v' '-w' '/tmp/graph1896952086139151974.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:35:09] [INFO ] Decomposing Gal with order
[2026-05-25 14:35:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:35:09] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:35:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:35:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17775593404781586905.gal : 0 ms
[2026-05-25 14:35:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4446121509534678506.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/ReachabilityCardinality17775593404781586905.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4446121509534678506.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/ReachabilityCardinality4446121509534678506.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :576 after 1188
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :1188 after 29376
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :29376 after 8.98582e+06
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :8.98582e+06 after 2.44979e+14
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :2.44979e+14 after 1.72447e+15
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :1.72447e+15 after 1.73838e+15
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :1.73838e+15 after 3.12739e+15
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :3.12739e+15 after 9.44542e+15
Detected timeout of ITS tools.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-00
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-2154551934769809226.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15001954961748868031.kers'
[2026-05-25 14:36:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2154551934769809226.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15001954961748868031.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:36:00] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15001954961748868031.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10052 steps (2 resets) in 8 ms. (1116 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:[3] Max Struct:[+inf]
[2026-05-25 14:36:00] [INFO ] Invariant cache hit.
[2026-05-25 14:36:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:36:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:36:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:36:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:36:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:00] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.1 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 5 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) 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-10263688982612740306.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3124539799343499220.kers'
[2026-05-25 14:36:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10263688982612740306.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3124539799343499220.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 14:36:00] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3124539799343499220.kers
Total runtime 0 ms.
[2026-05-25 14:36:00] [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 25 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 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]
After SMT, in 62ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 62ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 3/25 places, 4/35 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 14:36:10] [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 226 ms. (4405 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 231 ms. (4310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 14:36:10] [INFO ] Invariant cache hit.
[2026-05-25 14:36:10] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:36:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:10] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:36:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:10] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:36:10] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:36:10] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 14:36:10] [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 4 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 14:36:10] [INFO ] Invariant cache hit.
[2026-05-25 14:36:10] [INFO ] Implicit Places using invariants in 12 ms returned []
[2026-05-25 14:36:10] [INFO ] Invariant cache hit.
[2026-05-25 14:36:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:10] [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 14:36:10] [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 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 14:36:20] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:36:20] [INFO ] Flatten gal took : 0 ms
[2026-05-25 14:36:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1619910275585962939.gal : 1 ms
[2026-05-25 14:36:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4334438185224655256.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/ReachabilityCardinality1619910275585962939.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4334438185224655256.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 36 ms. (1081 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/ReachabilityCardinality4334438185224655256.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,6,0.00268,4144,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.002846,4160,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40003 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 2 ms. (steps per millisecond=7 ) properties seen :0
FORMULA Murphy-PT-D4N050-UpperBounds-00 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:36:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 220 ms. (4524 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-D4N050-UpperBounds-00 in 20984 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13048035643860988980.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3844328913369152688.kers'
[2026-05-25 14:36:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13048035643860988980.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3844328913369152688.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:36:21] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3844328913369152688.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10038 steps (2 resets) in 5 ms. (1673 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:[1] Max Struct:[+inf]
[2026-05-25 14:36:21] [INFO ] Invariant cache hit.
[2026-05-25 14:36:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:36:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:36:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:21] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:21] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/25 places, 4/35 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-11336534648579563533.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15447421393554140604.kers'
[2026-05-25 14:36:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11336534648579563533.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15447421393554140604.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 14:36:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15447421393554140604.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 232 ms. (4291 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 182 ms. (5464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 14:36:31] [INFO ] Invariant cache hit.
[2026-05-25 14:36:31] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:36:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:31] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:36:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:31] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 14:36:31] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:36:31] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:31] [INFO ] Added : 3 causal constraints over 2 iterations in 4 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 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 14:36:31] [INFO ] Invariant cache hit.
[2026-05-25 14:36:31] [INFO ] Implicit Places using invariants in 12 ms returned []
[2026-05-25 14:36:31] [INFO ] Invariant cache hit.
[2026-05-25 14:36:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:31] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 27 ms to find 0 implicit places.
[2026-05-25 14:36:31] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 3/3 places, 4/4 transitions.
findPositiveTsemiflow completed in 4 ms - Found solution {0=1} and attempted to minimize in 1 ms success -> {0=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2026-05-25 14:36:41] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:36:41] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:36:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8700231044843770505.gal : 1 ms
[2026-05-25 14:36:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12051061891178610140.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/ReachabilityCardinality8700231044843770505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12051061891178610140.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 40002 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality12051061891178610140.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,6,0.005505,4148,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.005788,4164,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 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-D4N050-UpperBounds-02 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:36:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 221 ms. (4504 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-D4N050-UpperBounds-02 in 20883 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-03
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-13562661558380565336.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5154523900511440275.kers'
[2026-05-25 14:36:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13562661558380565336.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5154523900511440275.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:36:41] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5154523900511440275.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10035 steps (2 resets) in 6 ms. (1433 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:[2] Max Struct:[+inf]
[2026-05-25 14:36:41] [INFO ] Invariant cache hit.
[2026-05-25 14:36:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:41] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:36:41] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:36:41] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:36:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:41] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:36:41] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:36:41] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:41] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/25 places, 4/35 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-5790804755791140069.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17890915415598092652.kers'
[2026-05-25 14:36:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5790804755791140069.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17890915415598092652.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 14:36:52] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17890915415598092652.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 226 ms. (4405 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 174 ms. (5714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 14:36:52] [INFO ] Invariant cache hit.
[2026-05-25 14:36:52] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:36:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:52] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:36:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:36:52] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:36:52] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:36:52] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 14:36:52] [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 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-25 14:36:52] [INFO ] Invariant cache hit.
[2026-05-25 14:36:52] [INFO ] Implicit Places using invariants in 11 ms returned []
[2026-05-25 14:36:52] [INFO ] Invariant cache hit.
[2026-05-25 14:36:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:36:52] [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 14:36:52] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 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 14:37:02] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:02] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10385151860756373171.gal : 0 ms
[2026-05-25 14:37:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13743695056924744981.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/ReachabilityCardinality10385151860756373171.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13743695056924744981.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/ReachabilityCardinality13743695056924744981.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,6,0.003915,4152,2,8,5,44,7,0,25,26,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 is true.
RANDOM walk for 40000 steps (8 resets) in 27 ms. (1428 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
MIN0,0,0.004071,4164,1,0,5,44,7,0,26,26,0
BEST_FIRST walk for 40002 steps (8 resets) in 21 ms. (1818 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-D4N050-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:37:02] [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-D4N050-UpperBounds-03 in 20869 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-04
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-8368894064241561085.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14108204326799568595.kers'
[2026-05-25 14:37:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8368894064241561085.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14108204326799568595.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:37:02] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14108204326799568595.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10021 steps (2 resets) in 5 ms. (1670 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:[2] Max Struct:[+inf]
[2026-05-25 14:37:02] [INFO ] Invariant cache hit.
[2026-05-25 14:37:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:02] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:37:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:37:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:02] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:37:02] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:37:02] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:37:02] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:37:02] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/25 places, 4/35 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-291871639578884494.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9268444149654307920.kers'
[2026-05-25 14:37:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-291871639578884494.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9268444149654307920.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 14:37:12] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9268444149654307920.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 227 ms. (4385 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 14:37:13] [INFO ] Invariant cache hit.
[2026-05-25 14:37:13] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:37:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:37:13] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:37:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:37:13] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:37:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 14:37:13] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:37:13] [INFO ] Added : 2 causal constraints over 1 iterations in 9 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 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 14:37:13] [INFO ] Invariant cache hit.
[2026-05-25 14:37:13] [INFO ] Implicit Places using invariants in 10 ms returned []
[2026-05-25 14:37:13] [INFO ] Invariant cache hit.
[2026-05-25 14:37:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:37:13] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 27 ms to find 0 implicit places.
[2026-05-25 14:37:13] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 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 14:37:23] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:23] [INFO ] Flatten gal took : 0 ms
[2026-05-25 14:37:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14170003694074354843.gal : 0 ms
[2026-05-25 14:37:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10182704736393718921.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/ReachabilityCardinality14170003694074354843.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10182704736393718921.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40003 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 13 ms. (2857 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 ...330
Loading property file /tmp/ReachabilityCardinality10182704736393718921.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,6,0.001912,4148,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.002122,4164,1,0,5,44,7,0,26,26,0
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 2 ms. (steps per millisecond=7 ) properties seen :0
FORMULA Murphy-PT-D4N050-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:37:23] [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-D4N050-UpperBounds-04 in 20861 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-05
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:[250]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[250]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10703654785891124927.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10213019444352796047.kers'
[2026-05-25 14:37:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10703654785891124927.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10213019444352796047.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:37:23] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10213019444352796047.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[250]
RANDOM walk for 10000 steps (2 resets) in 5 ms. (1666 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:[87] Max Struct:[250]
[2026-05-25 14:37:23] [INFO ] Invariant cache hit.
[2026-05-25 14:37:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:23] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:37:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:37:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:23] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:37:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:37:23] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:37:23] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:37:23] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[87] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[229] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2026-05-25 14:37:23] [INFO ] Invariant cache hit.
[2026-05-25 14:37:23] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 490ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 490ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 491 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:37:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[229] Max Struct:[250]
RANDOM walk for 1000053 steps (2 resets) in 421 ms. (2369 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 390 ms. (2557 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[229] Max Struct:[250]
[2026-05-25 14:37:25] [INFO ] Invariant cache hit.
[2026-05-25 14:37:25] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:37:25] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:37:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:37:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:25] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:37:25] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:37:25] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:37:25] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:37:25] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[229] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[229] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:37:25] [INFO ] Invariant cache hit.
[2026-05-25 14:37:25] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-25 14:37:25] [INFO ] Invariant cache hit.
[2026-05-25 14:37:25] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:37:25] [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 14:37:25] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:37:25] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:25] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3682343413342578152.gal : 0 ms
[2026-05-25 14:37:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8563784159545310783.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/ReachabilityCardinality3682343413342578152.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8563784159545310783.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
RANDOM walk for 40070 steps (8 resets) in 32 ms. (1214 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality8563784159545310783.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
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 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 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :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 1.89814e+13
Interrupted probabilistic random walk after 1180481 steps, run timeout after 3001 ms. (steps per millisecond=393 ) properties seen :0 out of 2
Probabilistic random walk after 1180481 steps, saw 822945 distinct states, run finished after 3001 ms. (steps per millisecond=393 ) properties seen :0
[2026-05-25 14:37:28] [INFO ] Invariant cache hit.
[2026-05-25 14:37:28] [INFO ] State equation strengthened by 10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 2 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 39 constraints, problems are : Problem set: 0 solved, 2 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 220ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 381 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 10 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40111 steps (8 resets) in 104 ms. (382 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 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 1117198 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 2
Probabilistic random walk after 1117198 steps, saw 778999 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2026-05-25 14:37:32] [INFO ] Invariant cache hit.
[2026-05-25 14:37:32] [INFO ] State equation strengthened by 10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 2 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 39 constraints, problems are : Problem set: 0 solved, 2 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 214ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 462 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:37:32] [INFO ] Invariant cache hit.
[2026-05-25 14:37:32] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:37:32] [INFO ] Invariant cache hit.
[2026-05-25 14:37:32] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:37:32] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2026-05-25 14:37:32] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 10 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Applied a total of 1 rules in 1 ms. Remains 10 /25 variables (removed 15) and now considering 15/35 (removed 20) 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-8469114949265371984.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12191214857815639512.kers'
[2026-05-25 14:37:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8469114949265371984.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12191214857815639512.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-25 14:37:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12191214857815639512.kers
Total runtime 0 ms.
[2026-05-25 14:37:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:37:32] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 14:37:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:37:32] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 14:37:32] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 14:37:32] [INFO ] After 15ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 14:37:32] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 14:37:32] [INFO ] After 62ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 14:37:32] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:32] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality627040606782775624.gal : 0 ms
[2026-05-25 14:37:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12176736886568535823.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/ReachabilityCardinality627040606782775624.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12176736886568535823.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/ReachabilityCardinality12176736886568535823.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
Detected timeout of ITS tools.
[2026-05-25 14:37:47] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:47] [INFO ] Applying decomposition
[2026-05-25 14:37:47] [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/graph6128674371765752429.txt' '-o' '/tmp/graph6128674371765752429.bin' '-w' '/tmp/graph6128674371765752429.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6128674371765752429.bin' '-l' '-1' '-v' '-w' '/tmp/graph6128674371765752429.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:37:48] [INFO ] Decomposing Gal with order
[2026-05-25 14:37:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:37:48] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:37:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:37:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10653594452900831852.gal : 1 ms
[2026-05-25 14:37:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15858854826089876251.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/ReachabilityCardinality10653594452900831852.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15858854826089876251.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/ReachabilityCardinality15858854826089876251.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 4.5324e+09
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.66122e+13 after 1.66124e+13
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.66124e+13 after 1.66124e+13
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.66124e+13 after 1.66124e+13
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.66124e+13 after 1.66124e+13
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.66124e+13 after 1.72281e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30190 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:38:03] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:38:03] [INFO ] Applying decomposition
[2026-05-25 14:38:03] [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/graph15092407247854966240.txt' '-o' '/tmp/graph15092407247854966240.bin' '-w' '/tmp/graph15092407247854966240.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15092407247854966240.bin' '-l' '-1' '-v' '-w' '/tmp/graph15092407247854966240.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:38:03] [INFO ] Decomposing Gal with order
[2026-05-25 14:38:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:38:03] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:38:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:38:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4908765118869310972.gal : 1 ms
[2026-05-25 14:38:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10285446709354686519.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/ReachabilityCardinality4908765118869310972.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10285446709354686519.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/ReachabilityCardinality10285446709354686519.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 42
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :198 after 4896
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :4896 after 1.51924e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.51924e+06 after 1.61507e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.61507e+06 after 5.77187e+13
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.77187e+13 after 2.76303e+14
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.76303e+14 after 2.76947e+14
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2.76947e+14 after 2.76947e+14
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2.76947e+14 after 5.379e+14
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :5.379e+14 after 1.16039e+15
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :1.16039e+15 after 1.56487e+15
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D4N050-UpperBounds-05 in 89470 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-06
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-17761630057751984631.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16114914306073161000.kers'
[2026-05-25 14:38:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17761630057751984631.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16114914306073161000.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:38:53] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16114914306073161000.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10017 steps (2 resets) in 6 ms. (1431 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:[3] Max Struct:[+inf]
[2026-05-25 14:38:53] [INFO ] Invariant cache hit.
[2026-05-25 14:38:53] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:38:53] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:38:53] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:38:53] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:38:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:38:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:38:53] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:38:53] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:38:53] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:38:53] [INFO ] Added : 3 causal constraints over 1 iterations in 6 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) 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-16993421683092653221.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4872934578517134621.kers'
[2026-05-25 14:38:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16993421683092653221.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4872934578517134621.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 14:38:53] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4872934578517134621.kers
Total runtime 0 ms.
[2026-05-25 14:38:53] [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 27 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 32 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 64ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 64ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66 ms. Remains : 3/25 places, 4/35 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 14:39:03] [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 268 ms. (3717 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 196 ms. (5076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 14:39:03] [INFO ] Invariant cache hit.
[2026-05-25 14:39:03] [INFO ] [Real]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:39:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:03] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:03] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 14:39:03] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:39:03] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 14:39:03] [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 14:39:03] [INFO ] Invariant cache hit.
[2026-05-25 14:39:03] [INFO ] Implicit Places using invariants in 9 ms returned []
[2026-05-25 14:39:03] [INFO ] Invariant cache hit.
[2026-05-25 14:39:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:03] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 25 ms to find 0 implicit places.
[2026-05-25 14:39:03] [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 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 14:39:13] [INFO ] Flatten gal took : 7 ms
[2026-05-25 14:39:13] [INFO ] Flatten gal took : 0 ms
[2026-05-25 14:39:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15726073469879262033.gal : 8 ms
[2026-05-25 14:39:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15124088420630390435.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/ReachabilityCardinality15726073469879262033.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15124088420630390435.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties

BEST_FIRST walk for 40003 steps (8 resets) in 16 ms. (2353 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 ...330
Loading property file /tmp/ReachabilityCardinality15124088420630390435.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,6,0.002544,4152,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.00271,4168,1,0,5,44,7,0,26,26,0
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-D4N050-UpperBounds-06 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:39:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 214 ms. (4651 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-D4N050-UpperBounds-06 in 21014 ms.
Starting property specific reduction for Murphy-PT-D4N050-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-2478411355399626463.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2703015840078157339.kers'
[2026-05-25 14:39:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2478411355399626463.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2703015840078157339.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:39:14] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2703015840078157339.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10004 steps (2 resets) in 5 ms. (1667 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:[1] Max Struct:[+inf]
[2026-05-25 14:39:14] [INFO ] Invariant cache hit.
[2026-05-25 14:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:14] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:14] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:39:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:14] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:14] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:14] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:39:14] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/25 places, 4/35 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-1036357563843500690.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2913295626405436851.kers'
[2026-05-25 14:39:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1036357563843500690.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2913295626405436851.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 14:39:24] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2913295626405436851.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 229 ms. (4347 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:[1] Max Struct:[+inf]
[2026-05-25 14:39:24] [INFO ] Invariant cache hit.
[2026-05-25 14:39:24] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 14:39:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:24] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:24] [INFO ] [Nat]Absence check using state equation in 1 ms returned sat
[2026-05-25 14:39:24] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 14:39:24] [INFO ] Added : 3 causal constraints over 2 iterations in 2 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 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 14:39:24] [INFO ] Invariant cache hit.
[2026-05-25 14:39:24] [INFO ] Implicit Places using invariants in 10 ms returned []
[2026-05-25 14:39:24] [INFO ] Invariant cache hit.
[2026-05-25 14:39:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:24] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 26 ms to find 0 implicit places.
[2026-05-25 14:39:24] [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:[1] Max Struct:[+inf]
[2026-05-25 14:39:34] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:39:34] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:39:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13328757443839323772.gal : 0 ms
[2026-05-25 14:39:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1849821409901462959.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/ReachabilityCardinality13328757443839323772.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1849821409901462959.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/ReachabilityCardinality1849821409901462959.prop.
RANDOM walk for 40001 steps (8 resets) in 32 ms. (1212 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,6,0.004373,4148,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.004529,4164,1,0,5,44,7,0,26,26,0
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-D4N050-UpperBounds-08 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:39:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 220 ms. (4524 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-D4N050-UpperBounds-08 in 20874 ms.
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-10
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-15545087958092501167.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11717821290930012173.kers'
[2026-05-25 14:39:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15545087958092501167.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11717821290930012173.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:39:35] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11717821290930012173.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10008 steps (2 resets) in 7 ms. (1251 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:[2] Max Struct:[+inf]
[2026-05-25 14:39:35] [INFO ] Invariant cache hit.
[2026-05-25 14:39:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:39:35] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:39:35] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:35] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:35] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:35] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:35] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:39:35] [INFO ] Added : 2 causal constraints over 1 iterations in 6 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 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 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 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/25 places, 4/35 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-3345698177029820626.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13173267856717699306.kers'
[2026-05-25 14:39:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3345698177029820626.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13173267856717699306.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 14:39:45] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13173267856717699306.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 233 ms. (4273 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 180 ms. (5524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-25 14:39:45] [INFO ] Invariant cache hit.
[2026-05-25 14:39:45] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2026-05-25 14:39:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:45] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:45] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2026-05-25 14:39:45] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:45] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 14:39:45] [INFO ] Added : 2 causal constraints over 1 iterations in 3 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 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 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 14:39:45] [INFO ] Invariant cache hit.
[2026-05-25 14:39:45] [INFO ] Implicit Places using invariants in 12 ms returned []
[2026-05-25 14:39:45] [INFO ] Invariant cache hit.
[2026-05-25 14:39:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 14:39:45] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 30 ms to find 0 implicit places.
[2026-05-25 14:39:45] [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:[2] Max Struct:[+inf]
[2026-05-25 14:39:55] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:39:55] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:39:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4925312527324928154.gal : 0 ms
[2026-05-25 14:39:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6704471830435031644.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/ReachabilityCardinality4925312527324928154.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6704471830435031644.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/ReachabilityCardinality6704471830435031644.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,6,0.006116,4152,2,8,5,44,7,0,25,26,0
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
MIN0,0,0.006638,4164,1,0,5,44,7,0,26,26,0
RANDOM walk for 40000 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 14 ms. (2666 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
ITS runner timed out or was interrupted.
FORMULA Murphy-PT-D4N050-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 14:39:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (2 resets) in 227 ms. (4385 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-D4N050-UpperBounds-10 in 20897 ms.
Starting property specific reduction for Murphy-PT-D4N050-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:[250]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[250]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15582189077503141064.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15208100890325690383.kers'
[2026-05-25 14:39:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15582189077503141064.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15208100890325690383.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 25 cols 85 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-25 14:39:55] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15208100890325690383.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[250]
RANDOM walk for 10000 steps (2 resets) in 6 ms. (1428 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:[93] Max Struct:[250]
[2026-05-25 14:39:55] [INFO ] Invariant cache hit.
[2026-05-25 14:39:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:39:55] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:55] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:55] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:55] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:39:55] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:39:55] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[93] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[148] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2026-05-25 14:39:56] [INFO ] Invariant cache hit.
[2026-05-25 14:39:56] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 499ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 500ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 501 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:39:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[148] Max Struct:[250]
RANDOM walk for 1000050 steps (2 resets) in 451 ms. (2212 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 406 ms. (2457 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[148] Max Struct:[250]
[2026-05-25 14:39:57] [INFO ] Invariant cache hit.
[2026-05-25 14:39:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:57] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:57] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:57] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:57] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:39:57] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:39:57] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[148] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:39:57] [INFO ] Invariant cache hit.
[2026-05-25 14:39:57] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:39:57] [INFO ] Invariant cache hit.
[2026-05-25 14:39:57] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:57] [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 14:39:57] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:39:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[250]
RANDOM walk for 1000001 steps (2 resets) in 423 ms. (2358 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 394 ms. (2531 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[250]
[2026-05-25 14:39:58] [INFO ] Invariant cache hit.
[2026-05-25 14:39:58] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:39:58] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:39:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:58] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:58] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:39:58] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:39:58] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[150] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:39:58] [INFO ] Invariant cache hit.
[2026-05-25 14:39:58] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 14:39:58] [INFO ] Invariant cache hit.
[2026-05-25 14:39:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:58] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 14:39:58] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:39:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[150] Max Struct:[250]
RANDOM walk for 1000016 steps (2 resets) in 425 ms. (2347 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 407 ms. (2450 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[150] Max Struct:[250]
[2026-05-25 14:39:59] [INFO ] Invariant cache hit.
[2026-05-25 14:39:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:59] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:39:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:39:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:39:59] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:39:59] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 11 ms returned sat
[2026-05-25 14:39:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:39:59] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 111 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[150] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[235] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:39:59] [INFO ] Invariant cache hit.
[2026-05-25 14:39:59] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 14:39:59] [INFO ] Invariant cache hit.
[2026-05-25 14:39:59] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:39:59] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-25 14:39:59] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:39:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[235] Max Struct:[250]
RANDOM walk for 1000011 steps (2 resets) in 425 ms. (2347 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 388 ms. (2570 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[235] Max Struct:[250]
[2026-05-25 14:40:00] [INFO ] Invariant cache hit.
[2026-05-25 14:40:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:40:00] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 14:40:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:40:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:40:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:40:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:40:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:40:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:40:00] [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:[235] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[249] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:40:00] [INFO ] Invariant cache hit.
[2026-05-25 14:40:00] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:40:00] [INFO ] Invariant cache hit.
[2026-05-25 14:40:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:40:00] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2026-05-25 14:40:00] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:40:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[249] Max Struct:[250]
RANDOM walk for 1000052 steps (2 resets) in 435 ms. (2293 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 397 ms. (2512 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[249] Max Struct:[250]
[2026-05-25 14:40:01] [INFO ] Invariant cache hit.
[2026-05-25 14:40:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:40:01] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:40:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:40:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:40:01] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:40:01] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:40:01] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:40:01] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:40:01] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[249] Max Struct:[250]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[249] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:40:01] [INFO ] Invariant cache hit.
[2026-05-25 14:40:01] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 14:40:01] [INFO ] Invariant cache hit.
[2026-05-25 14:40:01] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:40:01] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-25 14:40:01] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 25/25 places, 35/35 transitions.
[2026-05-25 14:40:01] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:40:01] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:40:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3236958792819393103.gal : 0 ms
[2026-05-25 14:40:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1982772589762639571.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/ReachabilityCardinality3236958792819393103.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1982772589762639571.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/ReachabilityCardinality1982772589762639571.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 40059 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 40003 steps (8 resets) in 33 ms. (1176 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 1.89814e+13
Interrupted probabilistic random walk after 1127883 steps, run timeout after 3001 ms. (steps per millisecond=375 ) properties seen :0 out of 2
Probabilistic random walk after 1127883 steps, saw 786102 distinct states, run finished after 3001 ms. (steps per millisecond=375 ) properties seen :0
[2026-05-25 14:40:04] [INFO ] Invariant cache hit.
[2026-05-25 14:40:04] [INFO ] State equation strengthened by 10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 2 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 39 constraints, problems are : Problem set: 0 solved, 2 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 120 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40129 steps (8 resets) in 29 ms. (1337 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 64 ms. (615 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1120626 steps, run timeout after 3001 ms. (steps per millisecond=373 ) properties seen :0 out of 2
Probabilistic random walk after 1120626 steps, saw 781250 distinct states, run finished after 3001 ms. (steps per millisecond=373 ) properties seen :0
[2026-05-25 14:40:08] [INFO ] Invariant cache hit.
[2026-05-25 14:40:08] [INFO ] State equation strengthened by 10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 2 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 39 constraints, problems are : Problem set: 0 solved, 2 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 171ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 129 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2026-05-25 14:40:08] [INFO ] Invariant cache hit.
[2026-05-25 14:40:08] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 14:40:08] [INFO ] Invariant cache hit.
[2026-05-25 14:40:08] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 14:40:08] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-25 14:40:08] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 10 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Applied a total of 1 rules in 1 ms. Remains 10 /25 variables (removed 15) and now considering 15/35 (removed 20) 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-8889261978150460186.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4121216170470323674.kers'
[2026-05-25 14:40:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8889261978150460186.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4121216170470323674.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-25 14:40:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4121216170470323674.kers
Total runtime 2 ms.
[2026-05-25 14:40:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:40:08] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 14:40:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:40:08] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 14:40:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 14:40:08] [INFO ] After 10ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 14:40:08] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 14:40:08] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 14:40:08] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:40:08] [INFO ] Flatten gal took : 0 ms
[2026-05-25 14:40:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1436576800058836738.gal : 1 ms
[2026-05-25 14:40:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5780764347384693885.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/ReachabilityCardinality1436576800058836738.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5780764347384693885.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/ReachabilityCardinality5780764347384693885.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
Detected timeout of ITS tools.
[2026-05-25 14:40:23] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:40:23] [INFO ] Applying decomposition
[2026-05-25 14:40:23] [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/graph11781637007041546436.txt' '-o' '/tmp/graph11781637007041546436.bin' '-w' '/tmp/graph11781637007041546436.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11781637007041546436.bin' '-l' '-1' '-v' '-w' '/tmp/graph11781637007041546436.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:40:23] [INFO ] Decomposing Gal with order
[2026-05-25 14:40:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:40:23] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:40:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:40:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13056610230428151049.gal : 0 ms
[2026-05-25 14:40:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13835178459500020507.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/ReachabilityCardinality13056610230428151049.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13835178459500020507.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/ReachabilityCardinality13835178459500020507.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 :6.22169e+07 after 9.71162e+12
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :9.71162e+12 after 9.74125e+12
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9.74125e+12 after 9.74777e+12
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :9.74777e+12 after 9.74799e+12
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :9.74799e+12 after 1.80988e+13
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.824e+13 after 2.8278e+13
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30166 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 14:40:38] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:40:38] [INFO ] Applying decomposition
[2026-05-25 14:40:38] [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/graph10115800655591068434.txt' '-o' '/tmp/graph10115800655591068434.bin' '-w' '/tmp/graph10115800655591068434.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10115800655591068434.bin' '-l' '-1' '-v' '-w' '/tmp/graph10115800655591068434.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:40:38] [INFO ] Decomposing Gal with order
[2026-05-25 14:40:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:40:38] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:40:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:40:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18381638204221528352.gal : 1 ms
[2026-05-25 14:40:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15987466482568537368.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/ReachabilityCardinality18381638204221528352.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15987466482568537368.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/ReachabilityCardinality15987466482568537368.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 3.24738e+13
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3.24738e+13 after 4.68007e+14
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4.68007e+14 after 7.12064e+14
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :7.12064e+14 after 1.00491e+15
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.00491e+15 after 1.34061e+15
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.34061e+15 after 1.71858e+15
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.71858e+15 after 2.14163e+15
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :2.14163e+15 after 2.60834e+15
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.60834e+15 after 3.67595e+15
Detected timeout of ITS tools.
Ending property specific reduction for Murphy-PT-D4N050-UpperBounds-14 in 93009 ms.
[2026-05-25 14:41:28] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:41:28] [INFO ] Applying decomposition
[2026-05-25 14:41:28] [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/graph13924666232912035873.txt' '-o' '/tmp/graph13924666232912035873.bin' '-w' '/tmp/graph13924666232912035873.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13924666232912035873.bin' '-l' '-1' '-v' '-w' '/tmp/graph13924666232912035873.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:41:28] [INFO ] Decomposing Gal with order
[2026-05-25 14:41:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:41:28] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:41:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 14:41:28] [INFO ] Time to serialize gal into /tmp/UpperBounds8034758993757095625.gal : 0 ms
[2026-05-25 14:41:28] [INFO ] Time to serialize properties into /tmp/UpperBounds17200846472748035195.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/UpperBounds8034758993757095625.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds17200846472748035195.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds17200846472748035195.prop.
Detected timeout of ITS tools.
[2026-05-25 15:07:40] [INFO ] Flatten gal took : 5 ms
[2026-05-25 15:07:40] [INFO ] Time to serialize gal into /tmp/UpperBounds12743189115300843750.gal : 2 ms
[2026-05-25 15:07:40] [INFO ] Time to serialize properties into /tmp/UpperBounds12909273593346613907.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/UpperBounds12743189115300843750.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12909273593346613907.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 ...306
Loading property file /tmp/UpperBounds12909273593346613907.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,7.25875e+18,244.863,2972268,2,10568,5,1.02079e+07,6,0,174,1.09767e+07,0
Total reachable state count : 7258754799509878656

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 249
Bounds property Murphy-PT-D4N050-UpperBounds-05 :0 <= p1_2 <= 249
FORMULA Murphy-PT-D4N050-UpperBounds-05 249 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-D4N050-UpperBounds-05,0,245.196,2972268,1,0,7,1.02079e+07,9,1,490,1.09767e+07,4
Min sum of variable value : 0
Maximum sum along a path : 249
Bounds property Murphy-PT-D4N050-UpperBounds-14 :0 <= p1_4 <= 249
FORMULA Murphy-PT-D4N050-UpperBounds-14 249 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-D4N050-UpperBounds-14,0,245.272,2972268,1,0,8,1.02079e+07,10,1,759,1.09767e+07,5
Total runtime 2930936 ms.

BK_STOP 1779721906370

--------------------
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-D4N050"
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-D4N050, 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-177969913900101"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D4N050.tgz
mv Murphy-PT-D4N050 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 ;