About the Execution of 2025-gold for Diffusion2D-PT-D50N150
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-177955700800029.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Diffusion2D-PT-D50N150, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800029
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 9.3K Mar 6 16:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 16:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 16:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K 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 4.4K 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 2.9K Mar 15 09:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 6 16:01 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-D50N150-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D50N150-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779627621996
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D50N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:00:23] [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 13:00:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:00:23] [INFO ] Load time of PNML (sax parser for PT used): 476 ms
[2026-05-24 13:00:23] [INFO ] Transformed 2500 places.
[2026-05-24 13:00:23] [INFO ] Transformed 19404 transitions.
[2026-05-24 13:00:23] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 632 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 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 13:00:24] [INFO ] Computed 1 invariants in 185 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:[150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150]
RANDOM walk for 10118 steps (2 resets) in 16 ms. (595 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 180 ms. (884 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:[150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150]
[2026-05-24 13:00:24] [INFO ] Invariant cache hit.
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 38 ms returned sat
[2026-05-24 13:00:27] [INFO ] [Real]Absence check using state equation in 2198 ms returned sat
[2026-05-24 13:00:29] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 1029 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 28 ms returned sat
[2026-05-24 13:00:31] [INFO ] [Nat]Absence check using state equation in 2173 ms returned sat
[2026-05-24 13:00:32] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 912 ms.
Minimization took 1221 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 26 ms returned sat
[2026-05-24 13:00:36] [INFO ] [Real]Absence check using state equation in 1984 ms returned sat
[2026-05-24 13:00:37] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 842 ms.
[2026-05-24 13:00:37] [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 2043 ms returned sat
[2026-05-24 13:00:41] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 744 ms.
Minimization took 1567 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 2023 ms returned sat
[2026-05-24 13:00:46] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 821 ms.
[2026-05-24 13:00:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:00:48] [INFO ] [Nat]Absence check using state equation in 1973 ms returned sat
[2026-05-24 13:00:49] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 801 ms.
Minimization took 1619 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:00:51] [INFO ] [Real]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:00:53] [INFO ] [Real]Absence check using state equation in 1967 ms returned sat
[2026-05-24 13:00:55] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 763 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 28 ms returned sat
[2026-05-24 13:00:57] [INFO ] [Nat]Absence check using state equation in 1973 ms returned sat
[2026-05-24 13:00:58] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 751 ms.
Minimization took 1680 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 2040 ms returned sat
[2026-05-24 13:01:03] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 764 ms.
[2026-05-24 13:01:03] [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 13:01:04] [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 1999 ms returned sat
[2026-05-24 13:01:07] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 752 ms.
Minimization took 1659 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 26 ms returned sat
[2026-05-24 13:01:11] [INFO ] [Real]Absence check using state equation in 2001 ms returned sat
[2026-05-24 13:01:12] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 811 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 13:01:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 28 ms returned sat
[2026-05-24 13:01:14] [INFO ] [Nat]Absence check using state equation in 1961 ms returned sat
[2026-05-24 13:01:15] [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 13:01:17] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:01:19] [INFO ] [Real]Absence check using state equation in 1967 ms returned sat
[2026-05-24 13:01:21] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 782 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 27 ms returned sat
[2026-05-24 13:01:23] [INFO ] [Nat]Absence check using state equation in 2026 ms returned sat
[2026-05-24 13:01:24] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 765 ms.
Minimization took 1577 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 26 ms returned sat
[2026-05-24 13:01:28] [INFO ] [Real]Absence check using state equation in 1991 ms returned sat
[2026-05-24 13:01:29] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 788 ms.
[2026-05-24 13:01:29] [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 13:01:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:01:31] [INFO ] [Nat]Absence check using state equation in 2027 ms returned sat
[2026-05-24 13:01:33] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 747 ms.
Minimization took 1645 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:34] [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 2034 ms returned sat
[2026-05-24 13:01:38] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 769 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 27 ms returned sat
[2026-05-24 13:01:40] [INFO ] [Nat]Absence check using state equation in 2016 ms returned sat
[2026-05-24 13:01:41] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 752 ms.
Minimization took 1645 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:43] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:01:45] [INFO ] [Real]Absence check using state equation in 2025 ms returned sat
[2026-05-24 13:01:47] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 819 ms.
[2026-05-24 13:01:47] [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 13:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:01:49] [INFO ] [Nat]Absence check using state equation in 1993 ms returned sat
[2026-05-24 13:01:50] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 804 ms.
Minimization took 1628 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:01:52] [INFO ] [Real]Absence check using 1 positive place invariants in 30 ms returned sat
[2026-05-24 13:01:54] [INFO ] [Real]Absence check using state equation in 2053 ms returned sat
[2026-05-24 13:01:55] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 788 ms.
[2026-05-24 13:01:55] [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 13:01:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 27 ms returned sat
[2026-05-24 13:01:58] [INFO ] [Nat]Absence check using state equation in 2104 ms returned sat
[2026-05-24 13:01:59] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 844 ms.
Minimization took 1455 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:02:00] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:02:02] [INFO ] [Real]Absence check using state equation in 2026 ms returned sat
[2026-05-24 13:02:04] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 797 ms.
[2026-05-24 13:02:04] [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 13:02:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 29 ms returned sat
[2026-05-24 13:02:06] [INFO ] [Nat]Absence check using state equation in 1976 ms returned sat
[2026-05-24 13:02:07] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 796 ms.
Minimization took 1632 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:02:09] [INFO ] [Real]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:02:11] [INFO ] [Real]Absence check using state equation in 2017 ms returned sat
[2026-05-24 13:02:13] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 820 ms.
[2026-05-24 13:02:13] [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 13:02:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 34 ms returned sat
[2026-05-24 13:02:15] [INFO ] [Nat]Absence check using state equation in 2054 ms returned sat
[2026-05-24 13:02:16] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 823 ms.
Minimization took 1502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:02:18] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:02:20] [INFO ] [Real]Absence check using state equation in 2017 ms returned sat
[2026-05-24 13:02:21] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 824 ms.
[2026-05-24 13:02:21] [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 13:02:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:02:24] [INFO ] [Nat]Absence check using state equation in 2026 ms returned sat
[2026-05-24 13:02:25] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 818 ms.
Minimization took 1532 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:02:27] [INFO ] [Real]Absence check using 1 positive place invariants in 25 ms returned sat
[2026-05-24 13:02:29] [INFO ] [Real]Absence check using state equation in 1966 ms returned sat
[2026-05-24 13:02:30] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 833 ms.
[2026-05-24 13:02:30] [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 13:02:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:02:32] [INFO ] [Nat]Absence check using state equation in 1961 ms returned sat
[2026-05-24 13:02:33] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 792 ms.
Minimization took 1637 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:02:35] [INFO ] [Real]Absence check using 1 positive place invariants in 24 ms returned sat
[2026-05-24 13:02:37] [INFO ] [Real]Absence check using state equation in 2026 ms returned sat
[2026-05-24 13:02:39] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 852 ms.
[2026-05-24 13:02:39] [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 13:02:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 26 ms returned sat
[2026-05-24 13:02:41] [INFO ] [Nat]Absence check using state equation in 2064 ms returned sat
[2026-05-24 13:02:42] [INFO ] Computed and/alt/rep : 19396/152228/19396 causal constraints (skipped 0 transitions) in 813 ms.
Minimization took 1552 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:[150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150]
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:[150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150]
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 19154 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 19154 transitions
Ensure Unique test removed 218 transitions
Reduce isomorphic transitions removed 19372 transitions.
Applied a total of 1 rules in 70 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 81 ms. Remains : 17/2500 places, 32/19404 transitions.
// Phase 1: matrix 32 rows 17 cols
[2026-05-24 13:02:44] [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, 0, 0] Max Struct:[150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150]
RANDOM walk for 1000054 steps (2 resets) in 124 ms. (8000 steps per ms)
FORMULA Diffusion2D-PT-D50N150-UpperBounds-15 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-14 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-13 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-12 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-11 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-10 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-09 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-08 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-07 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-06 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-05 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-04 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-03 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-02 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-01 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-UpperBounds-00 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 406 ms. (2457 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 13:02:44] [INFO ] Flatten gal took : 114 ms
[2026-05-24 13:02:44] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:02:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17440753258062422746.gal : 3 ms
[2026-05-24 13:02:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3864259014340287830.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/ReachabilityCardinality17440753258062422746.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3864259014340287830.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 141637 ms.
BK_STOP 1779627765062
--------------------
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-D50N150"
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-D50N150, 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-177955700800029"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N150.tgz
mv Diffusion2D-PT-D50N150 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 ;