About the Execution of 2025-gold for Diffusion2D-PT-D50N050
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-177955700800027.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-D50N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800027
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.7M
-rw-r--r-- 1 mcc users 9.3K Mar 6 16:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 16:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 16:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 16:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 09:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 09:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 6 16:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 16:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 6 16:04 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-D50N050-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D50N050-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779627560005
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D50N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:59:21] [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 12:59:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:59:21] [INFO ] Load time of PNML (sax parser for PT used): 473 ms
[2026-05-24 12:59:21] [INFO ] Transformed 2500 places.
[2026-05-24 12:59:21] [INFO ] Transformed 19404 transitions.
[2026-05-24 12:59:21] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 634 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 12:59:22] [INFO ] Computed 1 invariants in 210 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 10049 steps (2 resets) in 12 ms. (773 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 149 ms. (1066 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, 0, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
[2026-05-24 12:59:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:23] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2026-05-24 12:59:25] [INFO ] [Real]Absence check using state equation in 2462 ms returned sat
[2026-05-24 12:59:27] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 988 ms.
[2026-05-24 12:59:27] [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 12:59:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 29 ms returned sat
[2026-05-24 12:59:29] [INFO ] [Nat]Absence check using state equation in 2166 ms returned sat
[2026-05-24 12:59:31] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 971 ms.
Minimization took 1143 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 27 ms returned sat
[2026-05-24 12:59:34] [INFO ] [Real]Absence check using state equation in 2078 ms returned sat
[2026-05-24 12:59:36] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1015 ms.
[2026-05-24 12:59:36] [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 12:59:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 12:59:39] [INFO ] [Nat]Absence check using state equation in 2391 ms returned sat
[2026-05-24 12:59:40] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 970 ms.
Minimization took 978 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:41] [INFO ] [Real]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 12:59:44] [INFO ] [Real]Absence check using state equation in 2427 ms returned sat
[2026-05-24 12:59:45] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1014 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 12:59:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 12:59:48] [INFO ] [Nat]Absence check using state equation in 2419 ms returned sat
[2026-05-24 12:59:49] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 975 ms.
Minimization took 908 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:59:51] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 12:59:53] [INFO ] [Real]Absence check using state equation in 2481 ms returned sat
[2026-05-24 12:59:55] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1029 ms.
[2026-05-24 12:59:55] [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 12:59:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 12:59:57] [INFO ] [Nat]Absence check using state equation in 2405 ms returned sat
[2026-05-24 12:59:59] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 967 ms.
Minimization took 918 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:00] [INFO ] [Real]Absence check using 1 positive place invariants in 24 ms returned sat
[2026-05-24 13:00:02] [INFO ] [Real]Absence check using state equation in 1998 ms returned sat
[2026-05-24 13:00:03] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 765 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 27 ms returned sat
[2026-05-24 13:00:06] [INFO ] [Nat]Absence check using state equation in 1961 ms returned sat
[2026-05-24 13:00:07] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 836 ms.
Minimization took 1589 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:09] [INFO ] [Real]Absence check using 1 positive place invariants in 24 ms returned sat
[2026-05-24 13:00:11] [INFO ] [Real]Absence check using state equation in 2019 ms returned sat
[2026-05-24 13:00:12] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 794 ms.
[2026-05-24 13:00:12] [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 13:00:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:14] [INFO ] [Nat]Absence check using state equation in 2067 ms returned sat
[2026-05-24 13:00:16] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 785 ms.
Minimization took 1543 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:17] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:19] [INFO ] [Real]Absence check using state equation in 1976 ms returned sat
[2026-05-24 13:00:21] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 816 ms.
[2026-05-24 13:00:21] [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 13:00:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:23] [INFO ] [Nat]Absence check using state equation in 1994 ms returned sat
[2026-05-24 13:00:24] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 778 ms.
Minimization took 1648 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:26] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:28] [INFO ] [Real]Absence check using state equation in 2027 ms returned sat
[2026-05-24 13:00:29] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 766 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 13:00:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:00:32] [INFO ] [Nat]Absence check using state equation in 2090 ms returned sat
[2026-05-24 13:00:33] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 830 ms.
Minimization took 1451 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:35] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:37] [INFO ] [Real]Absence check using state equation in 2024 ms returned sat
[2026-05-24 13:00:38] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 750 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 26 ms returned sat
[2026-05-24 13:00:40] [INFO ] [Nat]Absence check using state equation in 2002 ms returned sat
[2026-05-24 13:00:41] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 756 ms.
Minimization took 1664 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 2018 ms returned sat
[2026-05-24 13:00:47] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 771 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 30 ms returned sat
[2026-05-24 13:00:49] [INFO ] [Nat]Absence check using state equation in 2003 ms returned sat
[2026-05-24 13:00:50] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 758 ms.
Minimization took 1608 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 1982 ms returned sat
[2026-05-24 13:00:55] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 733 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 13:00:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:57] [INFO ] [Nat]Absence check using state equation in 1936 ms returned sat
[2026-05-24 13:00:59] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 763 ms.
Minimization took 1711 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:00] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:02] [INFO ] [Real]Absence check using state equation in 1945 ms returned sat
[2026-05-24 13:01:04] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 735 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 13:01:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:06] [INFO ] [Nat]Absence check using state equation in 1966 ms returned sat
[2026-05-24 13:01:07] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 740 ms.
Minimization took 1711 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:09] [INFO ] [Real]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:01:11] [INFO ] [Real]Absence check using state equation in 1979 ms returned sat
[2026-05-24 13:01:12] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 810 ms.
[2026-05-24 13:01:12] [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 13:01:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:01:15] [INFO ] [Nat]Absence check using state equation in 1996 ms returned sat
[2026-05-24 13:01:16] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 753 ms.
Minimization took 1634 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:18] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:20] [INFO ] [Real]Absence check using state equation in 2047 ms returned sat
[2026-05-24 13:01:21] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 775 ms.
[2026-05-24 13:01:21] [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 13:01:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:23] [INFO ] [Nat]Absence check using state equation in 2008 ms returned sat
[2026-05-24 13:01:24] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 831 ms.
Minimization took 1567 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:26] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:01:28] [INFO ] [Real]Absence check using state equation in 2005 ms returned sat
[2026-05-24 13:01:30] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 754 ms.
[2026-05-24 13:01:30] [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 13:01:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:01:32] [INFO ] [Nat]Absence check using state equation in 2075 ms returned sat
[2026-05-24 13:01:33] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 753 ms.
Minimization took 1567 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:35] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:01:37] [INFO ] [Real]Absence check using state equation in 1963 ms returned sat
[2026-05-24 13:01:38] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 782 ms.
[2026-05-24 13:01:38] [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 13:01:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:01:40] [INFO ] [Nat]Absence check using state equation in 1983 ms returned sat
[2026-05-24 13:01:42] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 770 ms.
Minimization took 1678 ms.
Current structural bounds on expressions (after SMT) : 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]
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, 0, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Support contains 16 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 19160 edges and 2500 vertex of which 2484 / 2500 are part of one of the 1 SCC in 23 ms
Free SCC test removed 2483 places
Drop transitions (Empty/Sink Transition effects.) removed 19160 transitions
Ensure Unique test removed 212 transitions
Reduce isomorphic transitions removed 19372 transitions.
Applied a total of 1 rules in 71 ms. Remains 17 /2500 variables (removed 2483) and now considering 32/19404 (removed 19372) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 17/2500 places, 32/19404 transitions.
// Phase 1: matrix 32 rows 17 cols
[2026-05-24 13:01:43] [INFO ] Computed 1 invariants in 0 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 1000043 steps (2 resets) in 171 ms. (5814 steps per ms)
FORMULA Diffusion2D-PT-D50N050-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-14 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-13 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-10 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-08 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-06 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-02 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N050-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 222 ms. (4484 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 13:01:44] [INFO ] Flatten gal took : 147 ms
[2026-05-24 13:01:44] [INFO ] Flatten gal took : 6 ms
[2026-05-24 13:01:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8906467162467502831.gal : 3 ms
[2026-05-24 13:01:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5674959360802919234.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/ReachabilityCardinality8906467162467502831.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5674959360802919234.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 143329 ms.
BK_STOP 1779627704697
--------------------
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-D50N050"
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-D50N050, 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-177955700800027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N050.tgz
mv Diffusion2D-PT-D50N050 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 '
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 ;