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.r112-tall-177955701200522.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 DNAwalker-PT-16redondantChoiceR, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701200522
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 6.8K Mar 6 15:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 15:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 6 15:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 15:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 15:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 211K 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 booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779631126167

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 13:58:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 13:58:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:58:47] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2026-05-24 13:58:47] [INFO ] Transformed 43 places.
[2026-05-24 13:58:47] [INFO ] Transformed 490 transitions.
[2026-05-24 13:58:47] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 179 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 11 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2026-05-24 13:58:47] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2026-05-24 13:58:47] [INFO ] Computed 0 invariants in 12 ms
[2026-05-24 13:58:47] [INFO ] State equation strengthened by 161 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20075 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 511/532 variables, and 659 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20025 ms.
Refiners :[State Equation: 33/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40485ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40509ms
[2026-05-24 13:59:28] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-24 13:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:59:28] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-24 13:59:28] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-24 13:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:59:28] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-24 13:59:29] [INFO ] Implicit Places using invariants and state equation in 1028 ms returned []
Implicit Place search using SMT with State Equation took 1102 ms to find 0 implicit places.
Running 466 sub problems to find dead transitions.
[2026-05-24 13:59:29] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-24 13:59:29] [INFO ] Invariant cache hit.
[2026-05-24 13:59:29] [INFO ] State equation strengthened by 161 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 466 unsolved in 30023 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 5 (OVERLAPS) 20/531 variables, 10/669 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 669 constraints, problems are : Problem set: 0 solved, 466 unsolved in 30019 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60225ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 60231ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 101907 ms. Remains : 43/43 places, 490/490 transitions.
Discarding 10 transitions out of 490. Remains 480
Initial state reduction rules removed 14 formulas.
RANDOM walk for 40000 steps (1499 resets) in 1406 ms. (28 steps per ms) remains 5/466 properties
BEST_FIRST walk for 40003 steps (126 resets) in 190 ms. (209 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (125 resets) in 123 ms. (322 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (118 resets) in 88 ms. (449 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (113 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (116 resets) in 82 ms. (481 steps per ms) remains 5/5 properties
[2026-05-24 14:00:30] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-24 14:00:30] [INFO ] Invariant cache hit.
[2026-05-24 14:00:30] [INFO ] State equation strengthened by 161 read => feed constraints.
[2026-05-24 14:00:30] [INFO ] Flatten gal took : 99 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:00:30] [INFO ] Flatten gal took : 50 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
[2026-05-24 14:00:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14897358590571362279.gal : 15 ms
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
[2026-05-24 14:00:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7440607033860661310.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/ReachabilityCardinality14897358590571362279.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7440607033860661310.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
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Loading property file /tmp/ReachabilityCardinality7440607033860661310.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :10 after 94
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :94 after 1656
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :1656 after 3358
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :3358 after 6446
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :6446 after 24264
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :24264 after 96296
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :96296 after 1.55126e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :1.55126e+06 after 3.0131e+06
At refinement iteration 7 (OVERLAPS) 117/519 variables, 16/124 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 72/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :3.0131e+06 after 1.21307e+07
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 12/531 variables, 7/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :1.21307e+07 after 3.43314e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 5 unsolved in 672 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 117/519 variables, 16/129 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :3.43314e+07 after 3.83761e+07
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :3.83761e+07 after 1.55835e+08
Solver is answering 'unknown', stopping.
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :1.55835e+08 after 1.77098e+08
After SMT solving in domain Int declared 519/532 variables, and 201 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5003 ms.
Refiners :[State Equation: 36/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5702ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 41 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 41 transition count 466
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 1 with 9 rules applied. Total rules applied 32 place count 32 transition count 457
Applied a total of 32 rules in 43 ms. Remains 32 /43 variables (removed 11) and now considering 457/490 (removed 33) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 457 rows 32 cols
[2026-05-24 14:00:36] [INFO ] Computed 0 invariants in 4 ms
[2026-05-24 14:00:36] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,5 properties remain. new max is 65536
SDD size :1.77098e+08 after 7.33348e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,5 properties remain. new max is 131072
SDD size :7.33348e+08 after 1.09676e+10
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 18917 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,5 properties remain. new max is 262144
SDD size :1.09676e+10 after 5.93412e+10
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20026 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39117ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39163 ms. Remains : 32/43 places, 457/490 transitions.
RANDOM walk for 4000000 steps (139283 resets) in 24704 ms. (161 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15547 resets) in 4836 ms. (826 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15567 resets) in 4751 ms. (841 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15434 resets) in 4695 ms. (851 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15710 resets) in 4511 ms. (886 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15402 resets) in 4812 ms. (831 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 524288
SDD size :7.65275e+11 after 7.69183e+11
Interrupted probabilistic random walk after 6747458 steps, run timeout after 42001 ms. (steps per millisecond=160 ) properties seen :0 out of 5
Probabilistic random walk after 6747458 steps, saw 1773032 distinct states, run finished after 42007 ms. (steps per millisecond=160 ) properties seen :0
[2026-05-24 14:02:11] [INFO ] Invariant cache hit.
[2026-05-24 14:02:11] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 92/489 variables, 12/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 5 unsolved in 401 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 53 constraints, problems are : Problem set: 0 solved, 5 unsolved in 45004 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45418ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 12 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2026-05-24 14:02:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:02:57] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-24 14:02:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:02:57] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-24 14:02:58] [INFO ] Implicit Places using invariants and state equation in 598 ms returned []
Implicit Place search using SMT with State Equation took 670 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:02:58] [INFO ] Redundant transitions in 22 ms returned []
Running 452 sub problems to find dead transitions.
[2026-05-24 14:02:58] [INFO ] Invariant cache hit.
[2026-05-24 14:02:58] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,8.0032e+11,153.285,2389196,2,72956,23,8.2026e+06,11,0,710,1.39365e+07,0
Total reachable state count : 800319630216

Verifying 5 reachability properties.
Reachability property qltransition_25 does not hold.
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19109 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/489 variables, and 499 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30017 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49275ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49276ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49980 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 84 steps (0 resets) in 12 ms. (6 steps per ms) remains 0/6 properties
Total runtime 299917 ms.

BK_STOP 1779631427460

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DNAwalker-PT-16redondantChoiceR"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 DNAwalker-PT-16redondantChoiceR, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r112-tall-177955701200522"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;