fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r111-tall-177955700800023
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for Diffusion2D-PT-D40N050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1277.695 121139.00 140895.00 457.50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 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-177955700800023.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 gold2025
Input is Diffusion2D-PT-D40N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800023
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.1M
-rw-r--r-- 1 mcc users 8.2K Mar 6 16:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 16:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 16:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 6 16:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.9K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Mar 6 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 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 4.7M 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-D40N050-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D40N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627502217

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:58:23] [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 12:58:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:58:24] [INFO ] Load time of PNML (sax parser for PT used): 334 ms
[2026-05-24 12:58:24] [INFO ] Transformed 1600 places.
[2026-05-24 12:58:24] [INFO ] Transformed 12324 transitions.
[2026-05-24 12:58:24] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 485 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 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 12324 rows 1600 cols
[2026-05-24 12:58:24] [INFO ] Computed 1 invariants in 163 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:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
RANDOM walk for 10043 steps (2 resets) in 15 ms. (627 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 135 ms. (1176 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
[2026-05-24 12:58:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:25] [INFO ] [Real]Absence check using 1 positive place invariants in 20 ms returned sat
[2026-05-24 12:58:27] [INFO ] [Real]Absence check using state equation in 2236 ms returned sat
[2026-05-24 12:58:28] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 656 ms.
[2026-05-24 12:58:28] [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 12:58:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:58:30] [INFO ] [Nat]Absence check using state equation in 2084 ms returned sat
[2026-05-24 12:58:31] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 699 ms.
Minimization took 1092 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:33] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 12:58:35] [INFO ] [Real]Absence check using state equation in 2030 ms returned sat
[2026-05-24 12:58:36] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 547 ms.
[2026-05-24 12:58:36] [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 12:58:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:38] [INFO ] [Nat]Absence check using state equation in 2046 ms returned sat
[2026-05-24 12:58:39] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 630 ms.
Minimization took 1181 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:40] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:58:42] [INFO ] [Real]Absence check using state equation in 2210 ms returned sat
[2026-05-24 12:58:43] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 481 ms.
[2026-05-24 12:58:43] [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 12:58:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:46] [INFO ] [Nat]Absence check using state equation in 2298 ms returned sat
[2026-05-24 12:58:46] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 498 ms.
Minimization took 1267 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:48] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:50] [INFO ] [Real]Absence check using state equation in 2138 ms returned sat
[2026-05-24 12:58:51] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 533 ms.
[2026-05-24 12:58:51] [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 12:58:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:53] [INFO ] [Nat]Absence check using state equation in 2009 ms returned sat
[2026-05-24 12:58:54] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 524 ms.
Minimization took 1152 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:55] [INFO ] [Real]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:58:58] [INFO ] [Real]Absence check using state equation in 2221 ms returned sat
[2026-05-24 12:58:59] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 573 ms.
[2026-05-24 12:58:59] [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 12:58:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:01] [INFO ] [Nat]Absence check using state equation in 2202 ms returned sat
[2026-05-24 12:59:02] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 608 ms.
Minimization took 1233 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:03] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:05] [INFO ] [Real]Absence check using state equation in 1994 ms returned sat
[2026-05-24 12:59:06] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 559 ms.
[2026-05-24 12:59:06] [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 12:59:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:08] [INFO ] [Nat]Absence check using state equation in 2066 ms returned sat
[2026-05-24 12:59:09] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 598 ms.
Minimization took 1172 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:11] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:13] [INFO ] [Real]Absence check using state equation in 2077 ms returned sat
[2026-05-24 12:59:14] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 599 ms.
[2026-05-24 12:59:14] [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 12:59:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:16] [INFO ] [Nat]Absence check using state equation in 2122 ms returned sat
[2026-05-24 12:59:17] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 578 ms.
Minimization took 1179 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:18] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:20] [INFO ] [Real]Absence check using state equation in 1994 ms returned sat
[2026-05-24 12:59:21] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 584 ms.
[2026-05-24 12:59:21] [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 12:59:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:23] [INFO ] [Nat]Absence check using state equation in 1877 ms returned sat
[2026-05-24 12:59:24] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 578 ms.
Minimization took 1175 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:25] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:27] [INFO ] [Real]Absence check using state equation in 1848 ms returned sat
[2026-05-24 12:59:28] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 482 ms.
[2026-05-24 12:59:28] [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 12:59:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:30] [INFO ] [Nat]Absence check using state equation in 1948 ms returned sat
[2026-05-24 12:59:31] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 486 ms.
Minimization took 1193 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:32] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 12:59:34] [INFO ] [Real]Absence check using state equation in 1894 ms returned sat
[2026-05-24 12:59:35] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 553 ms.
[2026-05-24 12:59:35] [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 12:59:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:37] [INFO ] [Nat]Absence check using state equation in 1949 ms returned sat
[2026-05-24 12:59:38] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 541 ms.
Minimization took 1166 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:40] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 12:59:42] [INFO ] [Real]Absence check using state equation in 2127 ms returned sat
[2026-05-24 12:59:43] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 515 ms.
[2026-05-24 12:59:43] [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 12:59:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:45] [INFO ] [Nat]Absence check using state equation in 2101 ms returned sat
[2026-05-24 12:59:46] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 533 ms.
Minimization took 1082 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:47] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:49] [INFO ] [Real]Absence check using state equation in 1904 ms returned sat
[2026-05-24 12:59:50] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 524 ms.
[2026-05-24 12:59:50] [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 12:59:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:52] [INFO ] [Nat]Absence check using state equation in 2005 ms returned sat
[2026-05-24 12:59:53] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 538 ms.
Minimization took 1053 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:54] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 12:59:56] [INFO ] [Real]Absence check using state equation in 1921 ms returned sat
[2026-05-24 12:59:57] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 524 ms.
[2026-05-24 12:59:57] [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 12:59:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:59] [INFO ] [Nat]Absence check using state equation in 1868 ms returned sat
[2026-05-24 12:59:59] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 516 ms.
Minimization took 1035 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:01] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 13:00:03] [INFO ] [Real]Absence check using state equation in 1872 ms returned sat
[2026-05-24 13:00:03] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 478 ms.
[2026-05-24 13:00:03] [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 13:00:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 13:00:06] [INFO ] [Nat]Absence check using state equation in 1960 ms returned sat
[2026-05-24 13:00:06] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 573 ms.
Minimization took 1028 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:08] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 13:00:10] [INFO ] [Real]Absence check using state equation in 2051 ms returned sat
[2026-05-24 13:00:11] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 512 ms.
[2026-05-24 13:00:11] [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 13:00:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 13:00:13] [INFO ] [Nat]Absence check using state equation in 2131 ms returned sat
[2026-05-24 13:00:14] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 559 ms.
Minimization took 1056 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:15] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 13:00:17] [INFO ] [Real]Absence check using state equation in 1857 ms returned sat
[2026-05-24 13:00:18] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 603 ms.
[2026-05-24 13:00:18] [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 13:00:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 13:00:20] [INFO ] [Nat]Absence check using state equation in 2052 ms returned sat
[2026-05-24 13:00:21] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 583 ms.
Minimization took 1058 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Support contains 16 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12068 edges and 1600 vertex of which 1584 / 1600 are part of one of the 1 SCC in 28 ms
Free SCC test removed 1583 places
Drop transitions (Empty/Sink Transition effects.) removed 12068 transitions
Ensure Unique test removed 224 transitions
Reduce isomorphic transitions removed 12292 transitions.
Applied a total of 1 rules in 76 ms. Remains 17 /1600 variables (removed 1583) and now considering 32/12324 (removed 12292) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 17/1600 places, 32/12324 transitions.
// Phase 1: matrix 32 rows 17 cols
[2026-05-24 13:00:22] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 2] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
RANDOM walk for 1000026 steps (2 resets) in 165 ms. (6024 steps per ms)
FORMULA Diffusion2D-PT-D40N050-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-14 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-13 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-10 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-08 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-06 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-02 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N050-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 272 ms. (3663 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 13:00:23] [INFO ] Flatten gal took : 125 ms
[2026-05-24 13:00:23] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:00:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6441669996488311532.gal : 8 ms
[2026-05-24 13:00:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15518291346175045535.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/ReachabilityCardinality6441669996488311532.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15518291346175045535.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 119697 ms.

BK_STOP 1779627623356

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-D40N050"
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-D40N050, 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-177955700800023"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N050.tgz
mv Diffusion2D-PT-D40N050 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 ;