fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r111-tall-177955700800022
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for Diffusion2D-PT-D40N010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1254.680 112785.00 130509.00 488.60 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 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-177955700800022.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-D40N010, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800022
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.0M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 16:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 16:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 6 16:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K 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 20K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 16:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 55K Mar 6 16:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 6 16:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 16:09 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-D40N010-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D40N010-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627499701

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:58:21] [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 12:58:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:58:21] [INFO ] Load time of PNML (sax parser for PT used): 337 ms
[2026-05-24 12:58:21] [INFO ] Transformed 1600 places.
[2026-05-24 12:58:21] [INFO ] Transformed 12324 transitions.
[2026-05-24 12:58:21] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 491 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 12:58:21] [INFO ] Computed 1 invariants in 144 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:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
RANDOM walk for 10003 steps (2 resets) in 51 ms. (192 steps per ms)
FORMULA Diffusion2D-PT-D40N010-UpperBounds-13 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150015 steps (30 resets) in 100 ms. (1485 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 8, 6, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
[2026-05-24 12:58:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:22] [INFO ] [Real]Absence check using 1 positive place invariants in 20 ms returned sat
[2026-05-24 12:58:24] [INFO ] [Real]Absence check using state equation in 2010 ms returned sat
[2026-05-24 12:58:25] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 650 ms.
[2026-05-24 12:58:25] [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 12:58:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 21 ms returned sat
[2026-05-24 12:58:27] [INFO ] [Nat]Absence check using state equation in 2007 ms returned sat
[2026-05-24 12:58:28] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 696 ms.
Minimization took 1240 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:30] [INFO ] [Real]Absence check using 1 positive place invariants in 22 ms returned sat
[2026-05-24 12:58:32] [INFO ] [Real]Absence check using state equation in 2004 ms returned sat
[2026-05-24 12:58:33] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 542 ms.
[2026-05-24 12:58:33] [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 12:58:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:58:35] [INFO ] [Nat]Absence check using state equation in 1954 ms returned sat
[2026-05-24 12:58:36] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 481 ms.
Minimization took 1062 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:37] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:58:39] [INFO ] [Real]Absence check using state equation in 1850 ms returned sat
[2026-05-24 12:58:40] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 518 ms.
[2026-05-24 12:58:40] [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 12:58:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 19 ms returned sat
[2026-05-24 12:58:42] [INFO ] [Nat]Absence check using state equation in 2047 ms returned sat
[2026-05-24 12:58:43] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 580 ms.
Minimization took 1323 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:44] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:58:46] [INFO ] [Real]Absence check using state equation in 2059 ms returned sat
[2026-05-24 12:58:47] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 530 ms.
[2026-05-24 12:58:47] [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 12:58:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:58:50] [INFO ] [Nat]Absence check using state equation in 2174 ms returned sat
[2026-05-24 12:58:50] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 508 ms.
Minimization took 1082 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:52] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:54] [INFO ] [Real]Absence check using state equation in 2015 ms returned sat
[2026-05-24 12:58:55] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 576 ms.
[2026-05-24 12:58:55] [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 12:58:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:58:57] [INFO ] [Nat]Absence check using state equation in 2026 ms returned sat
[2026-05-24 12:58:58] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 573 ms.
Minimization took 1343 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:58:59] [INFO ] [Real]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:01] [INFO ] [Real]Absence check using state equation in 2008 ms returned sat
[2026-05-24 12:59:02] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 548 ms.
[2026-05-24 12:59:02] [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 12:59:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:04] [INFO ] [Nat]Absence check using state equation in 2062 ms returned sat
[2026-05-24 12:59:05] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 505 ms.
Minimization took 1116 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:06] [INFO ] [Real]Absence check using 1 positive place invariants in 22 ms returned sat
[2026-05-24 12:59:08] [INFO ] [Real]Absence check using state equation in 1896 ms returned sat
[2026-05-24 12:59:09] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 584 ms.
[2026-05-24 12:59:09] [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 12:59:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:12] [INFO ] [Nat]Absence check using state equation in 2056 ms returned sat
[2026-05-24 12:59:12] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 574 ms.
Minimization took 1279 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:14] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:16] [INFO ] [Real]Absence check using state equation in 2144 ms returned sat
[2026-05-24 12:59:17] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 488 ms.
[2026-05-24 12:59:17] [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 12:59:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 22 ms returned sat
[2026-05-24 12:59:19] [INFO ] [Nat]Absence check using state equation in 2312 ms returned sat
[2026-05-24 12:59:20] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 473 ms.
Minimization took 1174 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:21] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 12:59:23] [INFO ] [Real]Absence check using state equation in 1934 ms returned sat
[2026-05-24 12:59:24] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 519 ms.
[2026-05-24 12:59:24] [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 12:59:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 19 ms returned sat
[2026-05-24 12:59:27] [INFO ] [Nat]Absence check using state equation in 2113 ms returned sat
[2026-05-24 12:59:27] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 525 ms.
Minimization took 1175 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:29] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 12:59:31] [INFO ] [Real]Absence check using state equation in 1879 ms returned sat
[2026-05-24 12:59:32] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 513 ms.
[2026-05-24 12:59:32] [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 12:59:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:34] [INFO ] [Nat]Absence check using state equation in 1879 ms returned sat
[2026-05-24 12:59:34] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 490 ms.
Minimization took 1140 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:36] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:37] [INFO ] [Real]Absence check using state equation in 1811 ms returned sat
[2026-05-24 12:59:38] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 545 ms.
[2026-05-24 12:59:38] [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 12:59:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:40] [INFO ] [Nat]Absence check using state equation in 1905 ms returned sat
[2026-05-24 12:59:41] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 534 ms.
Minimization took 1155 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:43] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:44] [INFO ] [Real]Absence check using state equation in 1863 ms returned sat
[2026-05-24 12:59:45] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 467 ms.
[2026-05-24 12:59:45] [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 12:59:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 18 ms returned sat
[2026-05-24 12:59:47] [INFO ] [Nat]Absence check using state equation in 1981 ms returned sat
[2026-05-24 12:59:48] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 552 ms.
Minimization took 1151 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:50] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:52] [INFO ] [Real]Absence check using state equation in 2150 ms returned sat
[2026-05-24 12:59:53] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 589 ms.
[2026-05-24 12:59:53] [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 12:59:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 12:59:55] [INFO ] [Nat]Absence check using state equation in 2066 ms returned sat
[2026-05-24 12:59:56] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 495 ms.
Minimization took 1140 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:57] [INFO ] [Real]Absence check using 1 positive place invariants in 16 ms returned sat
[2026-05-24 12:59:59] [INFO ] [Real]Absence check using state equation in 1991 ms returned sat
[2026-05-24 13:00:00] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 484 ms.
[2026-05-24 13:00:00] [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 13:00:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 13:00:02] [INFO ] [Nat]Absence check using state equation in 2042 ms returned sat
[2026-05-24 13:00:03] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 497 ms.
Minimization took 1150 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:04] [INFO ] [Real]Absence check using 1 positive place invariants in 15 ms returned sat
[2026-05-24 13:00:06] [INFO ] [Real]Absence check using state equation in 1985 ms returned sat
[2026-05-24 13:00:07] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 540 ms.
[2026-05-24 13:00:07] [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 13:00:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 17 ms returned sat
[2026-05-24 13:00:09] [INFO ] [Nat]Absence check using state equation in 1946 ms returned sat
[2026-05-24 13:00:10] [INFO ] Computed and/alt/rep : 12316/96188/12316 causal constraints (skipped 0 transitions) in 514 ms.
Minimization took 1140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 8, 6, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 8, 6, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Support contains 15 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12090 edges and 1600 vertex of which 1585 / 1600 are part of one of the 1 SCC in 17 ms
Free SCC test removed 1584 places
Drop transitions (Empty/Sink Transition effects.) removed 12090 transitions
Ensure Unique test removed 204 transitions
Reduce isomorphic transitions removed 12294 transitions.
Applied a total of 1 rules in 61 ms. Remains 16 /1600 variables (removed 1584) and now considering 30/12324 (removed 12294) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 16/1600 places, 30/12324 transitions.
// Phase 1: matrix 30 rows 16 cols
[2026-05-24 13:00:11] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 8, 6, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
RANDOM walk for 1000000 steps (2 resets) in 266 ms. (3745 steps per ms)
FORMULA Diffusion2D-PT-D40N010-UpperBounds-15 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-09 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-08 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-07 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-03 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-02 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-01 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N010-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 216 ms. (4608 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 13:00:12] [INFO ] Flatten gal took : 115 ms
[2026-05-24 13:00:12] [INFO ] Flatten gal took : 4 ms
[2026-05-24 13:00:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17898621387849361971.gal : 4 ms
[2026-05-24 13:00:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16840534689746007674.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17898621387849361971.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16840534689746007674.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
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)
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 111340 ms.

BK_STOP 1779627612486

--------------------
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-D40N010"
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-D40N010, 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-177955700800022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N010.tgz
mv Diffusion2D-PT-D40N010 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 ;