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-177969913900069.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-D2N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913900069
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 8.2K Mar 8 14:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 8 14:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 8 14:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 8 14:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 16 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 16 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 16 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Mar 8 14:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 8 14:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 8 14:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 8 14:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:04 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 12K 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-D2N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779709065845

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-D2N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 11:37:47] [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 11:37:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:37:47] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2026-05-25 11:37:47] [INFO ] Transformed 18 places.
[2026-05-25 11:37:47] [INFO ] Transformed 21 transitions.
[2026-05-25 11:37:47] [INFO ] Parsed PT model containing 18 places and 21 transitions and 81 arcs in 121 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] 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-489882307298345807.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-272492231677350892.kers'
[2026-05-25 11:37:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-489882307298345807.kers, --Pflows, --basisKERS=/tmp/petrispot-output-272492231677350892.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 11:37:47] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-272492231677350892.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
RANDOM walk for 10015 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 160010 steps (32 resets) in 130 ms. (1221 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[71, 2, 57, 1, 2, 3, 2, 63, 71, 95, 1, 99, 95, 99, 62, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 11:37:47] [INFO ] Invariant cache hit.
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 3 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 11:37:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 11:37:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:37:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:37:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 11:37:47] [INFO ] Added : 0 causal constraints over 0 iterations in 17 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 11:37:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:37:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2026-05-25 11:37:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:37:47] [INFO ] Added : 3 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 11:37:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 11:37:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:37:47] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 11 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 31 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 11:37:48] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:37:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 11:37:48] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:37:48] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:37:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 19 ms
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 11:37:48] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:48] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:48] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 20 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:48] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:48] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:48] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:37:48] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:48] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:49] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 13 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:37:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:49] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:37:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:37:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:37:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:37:49] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[71, 2, 57, 1, 2, 3, 2, 63, 71, 95, 1, 99, 95, 99, 62, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[151, 2, 100, 1, 2, 3, 2, 104, 151, 151, 1, 151, 151, 151, 143, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
Support contains 16 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 14 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 11:37:49] [INFO ] Invariant cache hit.
[2026-05-25 11:37:49] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 418ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 462 ms. Remains : 18/18 places, 21/21 transitions.
findPositiveTsemiflow completed in 14 ms - Found solution {10=1, 13=1, 19=1} and attempted to minimize in 0 ms success -> {10=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[151, 2, 100, 1, 2, 3, 2, 104, 151, 151, 1, 151, 151, 151, 143, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 11:38:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[151, 2, 100, 1, 2, 3, 2, 104, 151, 151, 1, 151, 151, 151, 143, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
RANDOM walk for 1000054 steps (2 resets) in 377 ms. (2645 steps per ms)
BEST_FIRST walk for 16000015 steps (32 resets) in 5240 ms. (3052 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151, 2, 100, 1, 2, 3, 2, 104, 151, 151, 1, 151, 151, 151, 143, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 11:38:05] [INFO ] Invariant cache hit.
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 11:38:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:38:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:05] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:05] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:05] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:38:06] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2026-05-25 11:38:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:06] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 13 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:06] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:06] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:06] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2026-05-25 11:38:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 22 ms
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:06] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:06] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:06] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 3 ms.
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:38:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:06] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 11:38:07] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:07] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2026-05-25 11:38:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:38:07] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:07] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:07] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151, 2, 100, 1, 2, 3, 2, 104, 151, 151, 1, 151, 151, 151, 143, 3] Max Struct:[151, +inf, 153, +inf, +inf, +inf, +inf, 153, 151, 151, +inf, 151, 151, 151, 153, +inf]
FORMULA Murphy-PT-D2N050-UpperBounds-13 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-12 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-11 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-09 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-08 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-00 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 18/18 places, 21/21 transitions.
findPositiveTsemiflow completed in 9 ms - Found solution {10=1, 13=1, 19=1} and attempted to minimize in 0 ms success -> {10=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 11:38:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000035 steps (2 resets) in 339 ms. (2941 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 3315 ms. (3015 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 11:38:20] [INFO ] Invariant cache hit.
[2026-05-25 11:38:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:20] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:20] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:20] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:20] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 11:38:20] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:38:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-25 11:38:20] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:38:20] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 11:38:21] [INFO ] Added : 1 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 4 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:21] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:21] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 0 ms returned sat
[2026-05-25 11:38:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:21] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:38:21] [INFO ] Invariant cache hit.
[2026-05-25 11:38:21] [INFO ] Implicit Places using invariants in 33 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 36 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38 ms. Remains : 15/18 places, 21/21 transitions.
findPositiveTsemiflow completed in 7 ms - Found solution {9=1} and attempted to minimize in 0 ms success -> {9=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-560139865427525255.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1743364327339658524.kers'
[2026-05-25 11:38:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-560139865427525255.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1743364327339658524.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 11:38:31] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1743364327339658524.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000003 steps (2 resets) in 320 ms. (3115 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 2832 ms. (3529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 11:38:35] [INFO ] Invariant cache hit.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 18 ms.
[2026-05-25 11:38:35] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 14 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:35] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 11:38:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:35] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:36] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:36] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:36] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:36] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 147, 1, 2, 3, 2, 104, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:38:36] [INFO ] Invariant cache hit.
[2026-05-25 11:38:36] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 11:38:36] [INFO ] Invariant cache hit.
[2026-05-25 11:38:36] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:36] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-25 11:38:36] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 11:38:36] [INFO ] Invariant cache hit.
[2026-05-25 11:38:36] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 269 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 521ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 601 ms. Remains : 15/15 places, 21/21 transitions.
findPositiveTsemiflow completed in 15 ms - Found solution {9=1} and attempted to minimize in 0 ms success -> {9=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 11:38:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000008 steps (2 resets) in 317 ms. (3144 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 2819 ms. (3546 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 11:38:49] [INFO ] Invariant cache hit.
[2026-05-25 11:38:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:49] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2026-05-25 11:38:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 11:38:49] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:49] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:49] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 11:38:50] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:38:50] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 11:38:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:38:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:38:50] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:38:50] [INFO ] Invariant cache hit.
[2026-05-25 11:38:50] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 11:38:50] [INFO ] Invariant cache hit.
[2026-05-25 11:38:50] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:38:50] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2026-05-25 11:38:50] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 15/15 places, 21/21 transitions.
findPositiveTsemiflow completed in 22 ms - Found solution {9=1} and attempted to minimize in 0 ms success -> {9=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 149, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 40125 steps (8 resets) in 607 ms. (65 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 288 ms. (138 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 424 ms. (94 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 118 ms. (336 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 121 ms. (327 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 96 ms. (412 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 137 ms. (289 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 87 ms. (454 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 40 ms. (975 steps per ms) remains 13/13 properties
[2026-05-25 11:39:02] [INFO ] Flatten gal took : 51 ms
[2026-05-25 11:39:02] [INFO ] Flatten gal took : 3 ms
[2026-05-25 11:39:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18113586269185948092.gal : 32 ms
[2026-05-25 11:39:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12896028385670046861.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/ReachabilityCardinality18113586269185948092.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12896028385670046861.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/ReachabilityCardinality12896028385670046861.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :36 after 27216
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 362552 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :0 out of 13
Probabilistic random walk after 362552 steps, saw 233141 distinct states, run finished after 3005 ms. (steps per millisecond=120 ) properties seen :0
[2026-05-25 11:39:04] [INFO ] Invariant cache hit.
[2026-05-25 11:39:04] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 3/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem MAX1 is UNSAT
Problem MAX6 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/34 variables, 13/15 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 6/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/36 variables, 2/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 3 solved, 10 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 3/13 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/34 variables, 13/15 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 6/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 6/27 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/27 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 2/36 variables, 2/29 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 4/33 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/34 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 3 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 3 solved, 10 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 10/13 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 717ms problems are : Problem set: 3 solved, 10 unsolved
Fused 10 Parikh solutions to 4 different solutions.
Parikh walk visited 1 properties in 930 ms.
Support contains 9 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40059 steps (8 resets) in 126 ms. (315 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 52 ms. (754 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 52 ms. (754 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 32 ms. (1212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 22 ms. (1739 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 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 37 ms. (1052 steps per ms) remains 9/9 properties
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
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,4.15384e+10,6.73042,119772,2,4826,17,432940,19,0,119,464476,0
Total reachable state count : 41538421296

Verifying 13 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
MIN0,0,6.73102,119772,1,0,17,432940,19,0,120,464476,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,6.74948,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN1 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
MIN1,0,6.74975,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN2 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
MIN2,0,6.75288,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN3 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
MIN3,0,6.75366,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN4 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
MIN4,0,6.75565,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN5 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
MIN5,0,6.75813,119772,1,0,17,432940,19,0,120,464476,0
Reachability property MAX6 does not hold.
No reachable states exhibit your property : MAX6

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,0,6.76077,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN6 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
MIN6,0,6.77958,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN7 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
MIN7,0,6.78042,119772,1,0,17,432940,19,0,120,464476,0
Reachability property MAX8 does not hold.
No reachable states exhibit your property : MAX8

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX8,0,6.78505,119772,1,0,17,432940,19,0,120,464476,0
Invariant property MIN8 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN8,1,6.78532,119772,2,16,17,432940,19,0,121,464476,0
Invariant property MIN9 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
MIN9,0,6.78545,119772,1,0,17,432940,19,0,121,464476,0
Interrupted probabilistic random walk after 389906 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 9
Probabilistic random walk after 389906 steps, saw 251139 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
FORMULA Murphy-PT-D2N050-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-02 149 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-03 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-05 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-06 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-07 149 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-10 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-15 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[144] Max Struct:[152]
[2026-05-25 11:39:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[144] Max Struct:[152]
RANDOM walk for 1000022 steps (2 resets) in 283 ms. (3521 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 270 ms. (3690 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[144] Max Struct:[152]
[2026-05-25 11:39:10] [INFO ] Invariant cache hit.
[2026-05-25 11:39:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:10] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:39:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:39:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:10] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 11:39:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:10] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:39:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2026-05-25 11:39:10] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:39:10] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[144] Max Struct:[152]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[147] Max Struct:[152]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:39:10] [INFO ] Invariant cache hit.
[2026-05-25 11:39:10] [INFO ] Implicit Places using invariants in 129 ms returned []
[2026-05-25 11:39:10] [INFO ] Invariant cache hit.
[2026-05-25 11:39:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:10] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2026-05-25 11:39:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 11:39:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[147] Max Struct:[152]
RANDOM walk for 1000001 steps (2 resets) in 277 ms. (3597 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 271 ms. (3676 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[147] Max Struct:[152]
[2026-05-25 11:39:11] [INFO ] Invariant cache hit.
[2026-05-25 11:39:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:11] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:39:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:39:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:39:11] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:39:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:11] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 11:39:11] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:39:11] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[147] Max Struct:[152]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[147] Max Struct:[152]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:39:11] [INFO ] Invariant cache hit.
[2026-05-25 11:39:11] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-25 11:39:11] [INFO ] Invariant cache hit.
[2026-05-25 11:39:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:11] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
[2026-05-25 11:39:11] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 11:39:11] [INFO ] Flatten gal took : 3 ms
[2026-05-25 11:39:11] [INFO ] Flatten gal took : 4 ms
[2026-05-25 11:39:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13546935899559815147.gal : 1 ms
[2026-05-25 11:39:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9691610140815905130.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/ReachabilityCardinality13546935899559815147.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9691610140815905130.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/ReachabilityCardinality9691610140815905130.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 27216
RANDOM walk for 40069 steps (8 resets) in 58 ms. (679 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 980021 steps, run timeout after 3001 ms. (steps per millisecond=326 ) properties seen :0 out of 2
Probabilistic random walk after 980021 steps, saw 623307 distinct states, run finished after 3009 ms. (steps per millisecond=325 ) properties seen :0
[2026-05-25 11:39:14] [INFO ] Invariant cache hit.
[2026-05-25 11:39:14] [INFO ] State equation strengthened by 6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 2 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 395ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40091 steps (8 resets) in 29 ms. (1336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
Finished probabilistic random walk after 2074862 steps, run visited all 1 properties in 2746 ms. (steps per millisecond=755 )
Probabilistic random walk after 2074862 steps, saw 1316906 distinct states, run finished after 2766 ms. (steps per millisecond=750 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[148] Max Struct:[151]
[2026-05-25 11:39:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[148] Max Struct:[151]
RANDOM walk for 1000069 steps (2 resets) in 311 ms. (3205 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 274 ms. (3636 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[148] Max Struct:[151]
[2026-05-25 11:39:18] [INFO ] Invariant cache hit.
[2026-05-25 11:39:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:18] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:39:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:39:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:18] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:39:18] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:18] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:39:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-25 11:39:18] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:39:18] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[148] Max Struct:[151]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[148] Max Struct:[151]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:39:18] [INFO ] Invariant cache hit.
[2026-05-25 11:39:18] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 11:39:18] [INFO ] Invariant cache hit.
[2026-05-25 11:39:18] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:18] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-25 11:39:18] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 11:39:18] [INFO ] Flatten gal took : 3 ms
[2026-05-25 11:39:18] [INFO ] Flatten gal took : 2 ms
[2026-05-25 11:39:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17639510052274430937.gal : 0 ms
[2026-05-25 11:39:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12142221916927999106.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/ReachabilityCardinality17639510052274430937.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12142221916927999106.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/ReachabilityCardinality12142221916927999106.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
RANDOM walk for 40122 steps (8 resets) in 43 ms. (911 steps per ms) remains 2/2 properties
SDD size :36 after 27216
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 25 ms. (1538 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 737413 steps, run timeout after 3001 ms. (steps per millisecond=245 ) properties seen :0 out of 2
Probabilistic random walk after 737413 steps, saw 474448 distinct states, run finished after 3002 ms. (steps per millisecond=245 ) properties seen :0
[2026-05-25 11:39:21] [INFO ] Invariant cache hit.
[2026-05-25 11:39:21] [INFO ] State equation strengthened by 6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 2 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 2/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 25 constraints, problems are : Problem set: 1 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 363ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40072 steps (8 resets) in 17 ms. (2226 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
Finished probabilistic random walk after 2077218 steps, run visited all 1 properties in 2565 ms. (steps per millisecond=809 )
Probabilistic random walk after 2077218 steps, saw 1318235 distinct states, run finished after 2573 ms. (steps per millisecond=807 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[149] Max Struct:[150]
[2026-05-25 11:39:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[150]
RANDOM walk for 1000032 steps (2 resets) in 321 ms. (3105 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 313 ms. (3184 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[150]
[2026-05-25 11:39:25] [INFO ] Invariant cache hit.
[2026-05-25 11:39:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:25] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 11:39:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 11:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:39:25] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 11:39:25] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:25] [INFO ] [Nat]Added 6 Read/Feed constraints in 12 ms returned sat
[2026-05-25 11:39:25] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 11:39:25] [INFO ] Added : 2 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[150]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[150]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:39:25] [INFO ] Invariant cache hit.
[2026-05-25 11:39:25] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 11:39:25] [INFO ] Invariant cache hit.
[2026-05-25 11:39:25] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:25] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-25 11:39:25] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 11:39:25] [INFO ] Flatten gal took : 3 ms
[2026-05-25 11:39:25] [INFO ] Flatten gal took : 30 ms
[2026-05-25 11:39:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1517545810652079986.gal : 1 ms
[2026-05-25 11:39:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9368848256728654997.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/ReachabilityCardinality1517545810652079986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9368848256728654997.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40121 steps (8 resets) in 52 ms. (757 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 22 ms. (1739 steps per ms) remains 2/2 properties

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/ReachabilityCardinality9368848256728654997.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 27216
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 811776 steps, run timeout after 3001 ms. (steps per millisecond=270 ) properties seen :0 out of 2
Probabilistic random walk after 811776 steps, saw 520695 distinct states, run finished after 3002 ms. (steps per millisecond=270 ) properties seen :0
[2026-05-25 11:39:28] [INFO ] Invariant cache hit.
[2026-05-25 11:39:28] [INFO ] State equation strengthened by 6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 2 unsolved in 271 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 25 constraints, problems are : Problem set: 0 solved, 2 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 523ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40084 steps (8 resets) in 22 ms. (1742 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
Interrupted probabilistic random walk after 815501 steps, run timeout after 3001 ms. (steps per millisecond=271 ) properties seen :0 out of 2
Probabilistic random walk after 815501 steps, saw 523154 distinct states, run finished after 3002 ms. (steps per millisecond=271 ) properties seen :0
[2026-05-25 11:39:32] [INFO ] Invariant cache hit.
[2026-05-25 11:39:32] [INFO ] State equation strengthened by 6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 2 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 25 constraints, problems are : Problem set: 0 solved, 2 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 464ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 115 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 11:39:32] [INFO ] Invariant cache hit.
[2026-05-25 11:39:33] [INFO ] Implicit Places using invariants in 325 ms returned []
[2026-05-25 11:39:33] [INFO ] Invariant cache hit.
[2026-05-25 11:39:33] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 11:39:33] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
[2026-05-25 11:39:33] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 406 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 36 edges and 15 vertex of which 6 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 4 ms. Remains 6 /15 variables (removed 9) and now considering 9/21 (removed 12) 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-3086926108478522333.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14092701661229538554.kers'
[2026-05-25 11:39:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3086926108478522333.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14092701661229538554.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 6 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-25 11:39:33] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14092701661229538554.kers
Total runtime 0 ms.
[2026-05-25 11:39:33] [INFO ] [Real]Absence check using 1 positive place invariants in 29 ms returned sat
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,4.15384e+10,7.75579,118076,2,4826,17,432940,8,0,108,464476,0
Total reachable state count : 41538421296

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,7.77004,118076,1,0,17,432940,8,0,109,464476,0
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
MIN0,0,7.77347,118076,1,0,17,432940,8,0,109,464476,0
[2026-05-25 11:39:33] [INFO ] After 230ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 11:39:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:39:33] [INFO ] After 5ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 11:39:33] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 11:39:33] [INFO ] After 3ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 11:39:33] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 11:39:33] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 11:39:33] [INFO ] Flatten gal took : 4 ms
[2026-05-25 11:39:33] [INFO ] Flatten gal took : 1 ms
[2026-05-25 11:39:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12821251323347344945.gal : 0 ms
[2026-05-25 11:39:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1964984446061433041.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/ReachabilityCardinality12821251323347344945.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1964984446061433041.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/ReachabilityCardinality1964984446061433041.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 :3.21089e+06 after 3.21844e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.68902e+07 after 1.68998e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4.75696e+07 after 4.75802e+07
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.02214e+08 after 1.02227e+08
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.86117e+08 after 1.86118e+08
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,1.92308e+08,6.28355,121488,2,1266,21,382087,8,0,48,375963,0
Total reachable state count : 192307506

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,6.28651,121488,1,0,21,382087,8,0,49,375963,0
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
MIN0,0,6.28942,121488,1,0,21,382087,8,0,49,375963,0
Over-approximation ignoring read arcs solved -2 properties in 6595 ms.
FORMULA Murphy-PT-D2N050-UpperBounds-14 149 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5311352633467147776.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4758838867095380834.kers'
[2026-05-25 11:39:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5311352633467147776.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4758838867095380834.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 11:39:39] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4758838867095380834.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000001 steps (2 resets) in 305 ms. (3267 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:[]
All properties solved without resorting to model-checking.
Total runtime 113110 ms.

BK_STOP 1779709180210

--------------------
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-D2N050"
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-D2N050, 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-177969913900069"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D2N050.tgz
mv Murphy-PT-D2N050 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 ;