fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r111-tall-177955700800016
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for Diffusion2D-PT-D20N100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
548.831 29548.00 39816.00 228.10 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r111-tall-177955700800016.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Diffusion2D-PT-D20N100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800016
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 6.7K Mar 6 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Mar 6 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 16:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 16:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 09:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 23K Mar 6 16:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 213K Mar 6 16:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 16:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.2M 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 Diffusion2D-PT-D20N100-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D20N100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627457890

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D20N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:57:39] [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]
[2026-05-24 12:57:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:57:39] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2026-05-24 12:57:39] [INFO ] Transformed 400 places.
[2026-05-24 12:57:39] [INFO ] Transformed 2964 transitions.
[2026-05-24 12:57:39] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 253 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] 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:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2964 rows 400 cols
[2026-05-24 12:57:39] [INFO ] Computed 1 invariants in 54 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
RANDOM walk for 10003 steps (2 resets) in 20 ms. (476 steps per ms)
FORMULA Diffusion2D-PT-D20N100-UpperBounds-08 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150015 steps (30 resets) in 109 ms. (1363 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 0, 0, 0, 1, 1, 1, 2, 0, 1, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
[2026-05-24 12:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:39] [INFO ] [Real]Absence check using 1 positive place invariants in 9 ms returned sat
[2026-05-24 12:57:40] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2026-05-24 12:57:40] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 195 ms.
[2026-05-24 12:57:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:57:41] [INFO ] [Nat]Absence check using state equation in 476 ms returned sat
[2026-05-24 12:57:41] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 169 ms.
Minimization took 506 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:42] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:42] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2026-05-24 12:57:42] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 139 ms.
[2026-05-24 12:57:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2026-05-24 12:57:43] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2026-05-24 12:57:43] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 125 ms.
Minimization took 512 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:43] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:44] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2026-05-24 12:57:44] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 139 ms.
[2026-05-24 12:57:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:45] [INFO ] [Nat]Absence check using state equation in 361 ms returned sat
[2026-05-24 12:57:45] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 131 ms.
Minimization took 507 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:45] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:46] [INFO ] [Real]Absence check using state equation in 365 ms returned sat
[2026-05-24 12:57:46] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 126 ms.
[2026-05-24 12:57:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:46] [INFO ] [Nat]Absence check using state equation in 360 ms returned sat
[2026-05-24 12:57:46] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 153 ms.
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:47] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:47] [INFO ] [Real]Absence check using state equation in 361 ms returned sat
[2026-05-24 12:57:48] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 123 ms.
[2026-05-24 12:57:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:48] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2026-05-24 12:57:48] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 123 ms.
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:49] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:49] [INFO ] [Real]Absence check using state equation in 361 ms returned sat
[2026-05-24 12:57:49] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 111 ms.
[2026-05-24 12:57:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:50] [INFO ] [Nat]Absence check using state equation in 363 ms returned sat
[2026-05-24 12:57:50] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 100 ms.
Minimization took 502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:50] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:51] [INFO ] [Real]Absence check using state equation in 385 ms returned sat
[2026-05-24 12:57:51] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 112 ms.
[2026-05-24 12:57:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:51] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2026-05-24 12:57:52] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 111 ms.
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:52] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:53] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2026-05-24 12:57:53] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 134 ms.
[2026-05-24 12:57:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:53] [INFO ] [Nat]Absence check using state equation in 355 ms returned sat
[2026-05-24 12:57:53] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 120 ms.
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:54] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:54] [INFO ] [Real]Absence check using state equation in 376 ms returned sat
[2026-05-24 12:57:55] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 121 ms.
[2026-05-24 12:57:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:55] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2026-05-24 12:57:55] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 127 ms.
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:56] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:56] [INFO ] [Real]Absence check using state equation in 360 ms returned sat
[2026-05-24 12:57:56] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 130 ms.
[2026-05-24 12:57:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:57] [INFO ] [Nat]Absence check using state equation in 365 ms returned sat
[2026-05-24 12:57:57] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 121 ms.
Minimization took 506 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:58] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:57:58] [INFO ] [Real]Absence check using state equation in 368 ms returned sat
[2026-05-24 12:57:58] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 119 ms.
[2026-05-24 12:57:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 5 ms returned sat
[2026-05-24 12:57:59] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2026-05-24 12:57:59] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 126 ms.
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:59] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:00] [INFO ] [Real]Absence check using state equation in 347 ms returned sat
[2026-05-24 12:58:00] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 121 ms.
[2026-05-24 12:58:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:00] [INFO ] [Nat]Absence check using state equation in 361 ms returned sat
[2026-05-24 12:58:00] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 136 ms.
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:01] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:01] [INFO ] [Real]Absence check using state equation in 370 ms returned sat
[2026-05-24 12:58:02] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 126 ms.
[2026-05-24 12:58:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:02] [INFO ] [Nat]Absence check using state equation in 365 ms returned sat
[2026-05-24 12:58:02] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 128 ms.
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:03] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:03] [INFO ] [Real]Absence check using state equation in 367 ms returned sat
[2026-05-24 12:58:03] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 143 ms.
[2026-05-24 12:58:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:04] [INFO ] [Nat]Absence check using state equation in 365 ms returned sat
[2026-05-24 12:58:04] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 115 ms.
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:05] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-24 12:58:05] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2026-05-24 12:58:05] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 119 ms.
[2026-05-24 12:58:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:58:06] [INFO ] [Nat]Absence check using state equation in 356 ms returned sat
[2026-05-24 12:58:06] [INFO ] Computed and/alt/rep : 2956/22508/2956 causal constraints (skipped 0 transitions) in 121 ms.
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 0, 0, 0, 1, 1, 1, 2, 0, 1, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 0, 0, 0, 1, 1, 1, 2, 0, 1, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Support contains 15 out of 400 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2746 edges and 400 vertex of which 385 / 400 are part of one of the 1 SCC in 6 ms
Free SCC test removed 384 places
Drop transitions (Empty/Sink Transition effects.) removed 2746 transitions
Ensure Unique test removed 184 transitions
Reduce isomorphic transitions removed 2930 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 16 transition count 28
Applied a total of 7 rules in 31 ms. Remains 16 /400 variables (removed 384) and now considering 28/2964 (removed 2936) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 16/400 places, 28/2964 transitions.
// Phase 1: matrix 28 rows 16 cols
[2026-05-24 12:58:06] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 0, 0, 0, 1, 1, 1, 2, 0, 1, 1, 0, 0] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
RANDOM walk for 1000049 steps (2 resets) in 152 ms. (6536 steps per ms)
FORMULA Diffusion2D-PT-D20N100-UpperBounds-15 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-14 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-13 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-12 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-11 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-10 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-09 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-07 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-06 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-05 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-04 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-03 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-02 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-01 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D20N100-UpperBounds-00 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 237 ms. (4201 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-24 12:58:07] [INFO ] Flatten gal took : 130 ms
[2026-05-24 12:58:07] [INFO ] Flatten gal took : 3 ms
[2026-05-24 12:58:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10382086457525480138.gal : 3 ms
[2026-05-24 12:58:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2797135828654762260.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10382086457525480138.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2797135828654762260.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2797135828654762260.prop.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 28257 ms.

BK_STOP 1779627487438

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="Diffusion2D-PT-D20N100"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is Diffusion2D-PT-D20N100, 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 r111-tall-177955700800016"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N100.tgz
mv Diffusion2D-PT-D20N100 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 ;