fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r111-tall-177955700800028
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for Diffusion2D-PT-D50N100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2727.191 139069.00 163213.00 614.70 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 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-177955700800028.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-D50N100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.9M
-rw-r--r-- 1 mcc users 11K Mar 6 16:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 102K Mar 6 16:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 16:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K 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 4.3K Mar 15 09:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 09:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 16:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Mar 6 16:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 6 16:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:09 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 7.3M 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-D50N100-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D50N100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627567738

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D50N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:59:29] [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 12:59:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:59:29] [INFO ] Load time of PNML (sax parser for PT used): 650 ms
[2026-05-24 12:59:29] [INFO ] Transformed 2500 places.
[2026-05-24 12:59:29] [INFO ] Transformed 19404 transitions.
[2026-05-24 12:59:29] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 823 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 19404 rows 2500 cols
[2026-05-24 12:59:30] [INFO ] Computed 1 invariants in 169 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 10000 steps (2 resets) in 20 ms. (476 steps per ms)
FORMULA Diffusion2D-PT-D50N100-UpperBounds-15 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150015 steps (30 resets) in 119 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
[2026-05-24 12:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:31] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2026-05-24 12:59:33] [INFO ] [Real]Absence check using state equation in 2359 ms returned sat
[2026-05-24 12:59:35] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1069 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 32 ms returned sat
[2026-05-24 12:59:37] [INFO ] [Nat]Absence check using state equation in 2289 ms returned sat
[2026-05-24 12:59:39] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1056 ms.
Minimization took 942 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 28 ms returned sat
[2026-05-24 12:59:42] [INFO ] [Real]Absence check using state equation in 2272 ms returned sat
[2026-05-24 12:59:44] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 956 ms.
[2026-05-24 12:59:44] [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 12:59:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 12:59:46] [INFO ] [Nat]Absence check using state equation in 2228 ms returned sat
[2026-05-24 12:59:48] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 809 ms.
Minimization took 1324 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:49] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 12:59:52] [INFO ] [Real]Absence check using state equation in 2246 ms returned sat
[2026-05-24 12:59:53] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 895 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 29 ms returned sat
[2026-05-24 12:59:56] [INFO ] [Nat]Absence check using state equation in 2313 ms returned sat
[2026-05-24 12:59:57] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 905 ms.
Minimization took 1136 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:58] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:01] [INFO ] [Real]Absence check using state equation in 2251 ms returned sat
[2026-05-24 13:00:02] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 998 ms.
[2026-05-24 13:00:02] [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 13:00:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:00:05] [INFO ] [Nat]Absence check using state equation in 2144 ms returned sat
[2026-05-24 13:00:06] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 852 ms.
Minimization took 1344 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:07] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:09] [INFO ] [Real]Absence check using state equation in 2027 ms returned sat
[2026-05-24 13:00:11] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 814 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 29 ms returned sat
[2026-05-24 13:00:13] [INFO ] [Nat]Absence check using state equation in 2235 ms returned sat
[2026-05-24 13:00:15] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 926 ms.
Minimization took 1211 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:16] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:00:18] [INFO ] [Real]Absence check using state equation in 2059 ms returned sat
[2026-05-24 13:00:20] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 906 ms.
[2026-05-24 13:00:20] [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 13:00:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 29 ms returned sat
[2026-05-24 13:00:22] [INFO ] [Nat]Absence check using state equation in 2184 ms returned sat
[2026-05-24 13:00:23] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 917 ms.
Minimization took 1272 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:25] [INFO ] [Real]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:00:27] [INFO ] [Real]Absence check using state equation in 2286 ms returned sat
[2026-05-24 13:00:29] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 874 ms.
[2026-05-24 13:00:29] [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 13:00:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:31] [INFO ] [Nat]Absence check using state equation in 2011 ms returned sat
[2026-05-24 13:00:32] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 864 ms.
Minimization took 1504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:34] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:36] [INFO ] [Real]Absence check using state equation in 2238 ms returned sat
[2026-05-24 13:00:38] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 838 ms.
[2026-05-24 13:00:38] [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 13:00:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:00:40] [INFO ] [Nat]Absence check using state equation in 1978 ms returned sat
[2026-05-24 13:00:41] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 771 ms.
Minimization took 1629 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:43] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:45] [INFO ] [Real]Absence check using state equation in 2028 ms returned sat
[2026-05-24 13:00:47] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 917 ms.
[2026-05-24 13:00:47] [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 13:00:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 29 ms returned sat
[2026-05-24 13:00:49] [INFO ] [Nat]Absence check using state equation in 2294 ms returned sat
[2026-05-24 13:00:50] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 927 ms.
Minimization took 1150 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:52] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:00:54] [INFO ] [Real]Absence check using state equation in 2040 ms returned sat
[2026-05-24 13:00:55] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 816 ms.
[2026-05-24 13:00:55] [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 13:00:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:00:58] [INFO ] [Nat]Absence check using state equation in 2216 ms returned sat
[2026-05-24 13:00:59] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 790 ms.
Minimization took 1335 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:01] [INFO ] [Real]Absence check using 1 positive place invariants in 31 ms returned sat
[2026-05-24 13:01:03] [INFO ] [Real]Absence check using state equation in 2336 ms returned sat
[2026-05-24 13:01:04] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 879 ms.
[2026-05-24 13:01:04] [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 13:01:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:01:07] [INFO ] [Nat]Absence check using state equation in 2328 ms returned sat
[2026-05-24 13:01:08] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 899 ms.
Minimization took 1122 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:10] [INFO ] [Real]Absence check using 1 positive place invariants in 31 ms returned sat
[2026-05-24 13:01:12] [INFO ] [Real]Absence check using state equation in 2067 ms returned sat
[2026-05-24 13:01:13] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 945 ms.
[2026-05-24 13:01:13] [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 13:01:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:01:16] [INFO ] [Nat]Absence check using state equation in 2326 ms returned sat
[2026-05-24 13:01:17] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 884 ms.
Minimization took 1156 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:19] [INFO ] [Real]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:01:21] [INFO ] [Real]Absence check using state equation in 2251 ms returned sat
[2026-05-24 13:01:22] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 916 ms.
[2026-05-24 13:01:22] [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 13:01:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 33 ms returned sat
[2026-05-24 13:01:25] [INFO ] [Nat]Absence check using state equation in 2130 ms returned sat
[2026-05-24 13:01:26] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 836 ms.
Minimization took 1371 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:28] [INFO ] [Real]Absence check using 1 positive place invariants in 24 ms returned sat
[2026-05-24 13:01:30] [INFO ] [Real]Absence check using state equation in 2193 ms returned sat
[2026-05-24 13:01:31] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 900 ms.
[2026-05-24 13:01:31] [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 13:01:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:01:34] [INFO ] [Nat]Absence check using state equation in 2218 ms returned sat
[2026-05-24 13:01:35] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 770 ms.
Minimization took 1341 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:37] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:39] [INFO ] [Real]Absence check using state equation in 2054 ms returned sat
[2026-05-24 13:01:40] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 741 ms.
[2026-05-24 13:01:40] [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 13:01:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 38 ms returned sat
[2026-05-24 13:01:42] [INFO ] [Nat]Absence check using state equation in 2005 ms returned sat
[2026-05-24 13:01:43] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 758 ms.
Minimization took 1607 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2] 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:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
Support contains 15 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19174 edges and 2500 vertex of which 2485 / 2500 are part of one of the 1 SCC in 27 ms
Free SCC test removed 2484 places
Drop transitions (Empty/Sink Transition effects.) removed 19174 transitions
Ensure Unique test removed 196 transitions
Reduce isomorphic transitions removed 19370 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 82 ms. Remains 16 /2500 variables (removed 2484) and now considering 28/19404 (removed 19376) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 16/2500 places, 28/19404 transitions.
// Phase 1: matrix 28 rows 16 cols
[2026-05-24 13:01:45] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2] Max Struct:[100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100]
RANDOM walk for 1000025 steps (2 resets) in 116 ms. (8547 steps per ms)
FORMULA Diffusion2D-PT-D50N100-UpperBounds-14 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-13 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-12 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-11 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-10 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-09 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-08 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-07 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-06 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-05 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-04 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-03 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-02 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-01 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N100-UpperBounds-00 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 467 ms. (2136 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 13:01:46] [INFO ] Flatten gal took : 190 ms
[2026-05-24 13:01:46] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:01:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7933198418500116226.gal : 7 ms
[2026-05-24 13:01:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17865385370276658044.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/ReachabilityCardinality7933198418500116226.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17865385370276658044.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
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 137551 ms.

BK_STOP 1779627706807

--------------------
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-D50N100"
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-D50N100, 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-177955700800028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N100.tgz
mv Diffusion2D-PT-D50N100 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 ;