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-177955701200562.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 DoubleExponent-PT-100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701200562
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.3K Mar 6 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 16:56 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 09:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 6 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 6 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 6 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.8M 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 1779633074783

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DoubleExponent-PT-100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 14:31:16] [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 14:31:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:31:16] [INFO ] Load time of PNML (sax parser for PT used): 210 ms
[2026-05-24 14:31:16] [INFO ] Transformed 5304 places.
[2026-05-24 14:31:16] [INFO ] Transformed 4998 transitions.
[2026-05-24 14:31:16] [INFO ] Parsed PT model containing 5304 places and 4998 transitions and 14094 arcs in 335 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 5304/5304 places, 4998/4998 transitions.
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1200 transitions
Trivial Post-agglo rules discarded 1200 transitions
Performed 1200 trivial Post agglomeration. Transition count delta: 1200
Iterating post reduction 0 with 1204 rules applied. Total rules applied 1204 place count 5300 transition count 3798
Reduce places removed 1200 places and 0 transitions.
Iterating post reduction 1 with 1200 rules applied. Total rules applied 2404 place count 4100 transition count 3798
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 2404 place count 4100 transition count 3598
Deduced a syphon composed of 200 places in 246 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 2804 place count 3900 transition count 3598
Performed 904 Post agglomeration using F-continuation condition.Transition count delta: 904
Deduced a syphon composed of 904 places in 67 ms
Reduce places removed 904 places and 0 transitions.
Iterating global reduction 2 with 1808 rules applied. Total rules applied 4612 place count 2996 transition count 2694
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 98 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 2 with 202 rules applied. Total rules applied 4814 place count 2895 transition count 2694
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 97 places in 67 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 2 with 194 rules applied. Total rules applied 5008 place count 2798 transition count 2694
Applied a total of 5008 rules in 1096 ms. Remains 2798 /5304 variables (removed 2506) and now considering 2694/4998 (removed 2304) transitions.
// Phase 1: matrix 2694 rows 2798 cols
[2026-05-24 14:31:17] [INFO ] Invariants computation overflowed in 102 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:31:19] [INFO ] Implicit Places using invariants in 1727 ms returned []
// Phase 1: matrix 2694 rows 2798 cols
[2026-05-24 14:31:19] [INFO ] Invariants computation overflowed in 51 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:31:20] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-24 14:32:26] [INFO ] Performed 2/2798 implicitness test of which 0 returned IMPLICIT in 65 seconds.
[2026-05-24 14:33:35] [INFO ] Performed 3/2798 implicitness test of which 0 returned IMPLICIT in 134 seconds.
[2026-05-24 14:33:35] [INFO ] Timeout of Implicit test with SMT after 134 seconds.
[2026-05-24 14:33:35] [INFO ] Implicit Places using invariants and state equation in 135698 ms returned []
Implicit Place search using SMT with State Equation took 137456 ms to find 0 implicit places.
Running 2693 sub problems to find dead transitions.
// Phase 1: matrix 2694 rows 2798 cols
[2026-05-24 14:33:35] [INFO ] Invariants computation overflowed in 44 ms
[2026-05-24 14:33:35] [INFO ] State equation strengthened by 200 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2797/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2693 unsolved in 30072 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 2693/2693 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2693 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2797/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2693 unsolved in 30048 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/2693 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61261ms problems are : Problem set: 0 solved, 2693 unsolved
Search for dead transitions found 0 dead transitions in 61299ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2798/5304 places, 2694/4998 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 199906 ms. Remains : 2798/5304 places, 2694/4998 transitions.
Discarding 598 transitions out of 2694. Remains 2096
Initial state reduction rules removed 1 formulas.
[2026-05-24 14:34:38] [INFO ] Flatten gal took : 590 ms
[2026-05-24 14:34:38] [INFO ] Flatten gal took : 287 ms
[2026-05-24 14:34:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14184865412663303376.gal : 136 ms
[2026-05-24 14:34:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8030528986078634183.prop : 21 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/ReachabilityCardinality14184865412663303376.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8030528986078634183.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
Loading property file /tmp/ReachabilityCardinality8030528986078634183.prop.
RANDOM walk for 40000 steps (4871 resets) in 10978 ms. (3 steps per ms) remains 2069/2095 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 65 ms. (1 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 86 ms. (1 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 19 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 19 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 20 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (9 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (9 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 120 steps (9 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (9 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
Probabilistic random walk after 30001 steps, saw 15005 distinct states, run finished after 2927 ms. (steps per millisecond=10 ) properties seen :23
// Phase 1: matrix 2694 rows 2798 cols
[2026-05-24 14:34:42] [INFO ] Invariants computation overflowed in 47 ms
[2026-05-24 14:34:43] [INFO ] State equation strengthened by 200 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_2168 is true.
Reachability property qltransition_1238 is true.
SDD proceeding with computation,2093 properties remain. new max is 2
SDD size :1 after 3
Reachability property qltransition_1607 is true.
Reachability property qltransition_1579 is true.
Reachability property qltransition_1008 is true.
Reachability property qltransition_374 is true.
SDD proceeding with computation,2089 properties remain. new max is 2
SDD size :3 after 7
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2734/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 5034 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 2046/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2046 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,2089 properties remain. new max is 4
SDD size :7 after 8
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2734/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 5030 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/2046 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10886ms problems are : Problem set: 0 solved, 2046 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2734 out of 2798 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2798/2798 places, 2694/2694 transitions.
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 2798 transition count 2689
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 10 place count 2793 transition count 2689
SDD proceeding with computation,2089 properties remain. new max is 8
SDD size :8 after 9
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 2793 transition count 2689
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 2792 transition count 2688
Applied a total of 19 rules in 388 ms. Remains 2792 /2798 variables (removed 6) and now considering 2688/2694 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 389 ms. Remains : 2792/2798 places, 2688/2694 transitions.
Reachability property qltransition_171 is true.
SDD proceeding with computation,2088 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2088 properties remain. new max is 16
SDD size :11 after 17
Reachability property qltransition_2370 is true.
Reachability property qltransition_1760 is true.
Reachability property qltransition_1732 is true.
Reachability property qltransition_1066 is true.
Reachability property qltransition_633 is true.
SDD proceeding with computation,2083 properties remain. new max is 16
SDD size :17 after 26
Reachability property qltransition_720 is true.
Reachability property qltransition_258 is true.
SDD proceeding with computation,2081 properties remain. new max is 16
SDD size :26 after 32
SDD proceeding with computation,2081 properties remain. new max is 32
SDD size :32 after 40
Reachability property qltransition_978 is true.
SDD proceeding with computation,2080 properties remain. new max is 32
SDD size :40 after 62
Reachability property qltransition_2648 is true.
Reachability property qltransition_1873 is true.
Reachability property qltransition_1872 is true.
Reachability property qltransition_1258 is true.
Reachability property qltransition_1196 is true.
Reachability property qltransition_1153 is true.
Reachability property qltransition_288 is true.
SDD proceeding with computation,2073 properties remain. new max is 32
SDD size :62 after 70
Reachability property qltransition_2166 is true.
RANDOM walk for 1167134 steps (149628 resets) in 120008 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (344 resets) in 278 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (337 resets) in 283 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (334 resets) in 387 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (342 resets) in 268 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (356 resets) in 386 ms. (10 steps per ms) remains 2046/2046 properties
Reachability property qltransition_1278 is true.
BEST_FIRST walk for 4000 steps (307 resets) in 411 ms. (9 steps per ms) remains 2046/2046 properties
Reachability property qltransition_1264 is true.
BEST_FIRST walk for 4002 steps (340 resets) in 286 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (336 resets) in 269 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (331 resets) in 263 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (336 resets) in 257 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (339 resets) in 314 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (325 resets) in 311 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (341 resets) in 428 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (333 resets) in 301 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (330 resets) in 364 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (349 resets) in 369 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (340 resets) in 340 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (343 resets) in 374 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (337 resets) in 311 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (340 resets) in 398 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (323 resets) in 368 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4004 steps (333 resets) in 342 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (333 resets) in 305 ms. (13 steps per ms) remains 2046/2046 properties
SDD proceeding with computation,2070 properties remain. new max is 32
SDD size :70 after 82
BEST_FIRST walk for 4000 steps (342 resets) in 380 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (333 resets) in 297 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (342 resets) in 257 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (335 resets) in 339 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (336 resets) in 288 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (329 resets) in 246 ms. (16 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (316 resets) in 263 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (326 resets) in 263 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (351 resets) in 247 ms. (16 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (336 resets) in 290 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (321 resets) in 291 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (332 resets) in 334 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (321 resets) in 325 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (350 resets) in 272 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (335 resets) in 327 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (330 resets) in 259 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (337 resets) in 265 ms. (15 steps per ms) remains 2046/2046 properties
Reachability property qltransition_1174 is true.
BEST_FIRST walk for 4001 steps (331 resets) in 305 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (332 resets) in 383 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (329 resets) in 277 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (342 resets) in 252 ms. (15 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (342 resets) in 342 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (349 resets) in 361 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (316 resets) in 268 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (329 resets) in 325 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (349 resets) in 364 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (338 resets) in 259 ms. (15 steps per ms) remains 2046/2046 properties
SDD proceeding with computation,2069 properties remain. new max is 32
SDD size :82 after 124
Reachability property qltransition_2372 is true.
Reachability property qltransition_1287 is true.
SDD proceeding with computation,2067 properties remain. new max is 32
SDD size :124 after 135
SDD proceeding with computation,2067 properties remain. new max is 64
SDD size :135 after 169
SDD proceeding with computation,2067 properties remain. new max is 128
SDD size :169 after 237
Reachability property qltransition_2668 is true.
Reachability property qltransition_1891 is true.
Reachability property qltransition_1887 is true.
Reachability property qltransition_1290 is true.
Reachability property qltransition_1229 is true.
Reachability property qltransition_1220 is true.
Reachability property qltransition_1183 is true.
SDD proceeding with computation,2060 properties remain. new max is 128
SDD size :237 after 444
SDD proceeding with computation,2060 properties remain. new max is 256
SDD size :444 after 814
SDD proceeding with computation,2060 properties remain. new max is 512
SDD size :814 after 1326
Reachability property qltransition_2666 is true.
Reachability property qltransition_2646 is true.
Reachability property qltransition_1942 is true.
Reachability property qltransition_1334 is true.
Reachability property qltransition_1333 is true.
Reachability property qltransition_1254 is true.
Reachability property qltransition_1187 is true.
Reachability property qltransition_133 is true.
Reachability property qltransition_124 is true.
Reachability property qltransition_110 is true.
Reachability property qltransition_104 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_21 is true.
Reachability property qltransition_0 is true.
SDD proceeding with computation,2046 properties remain. new max is 512
SDD size :1326 after 3879
SDD proceeding with computation,2046 properties remain. new max is 1024
SDD size :3879 after 18145
Reachability property qltransition_1962 is true.
Reachability property qltransition_1352 is true.
Reachability property qltransition_1348 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_30 is true.
SDD proceeding with computation,2039 properties remain. new max is 1024
SDD size :18145 after 69984
SDD proceeding with computation,2039 properties remain. new max is 2048
SDD size :69984 after 121223
SDD proceeding with computation,2039 properties remain. new max is 4096
SDD size :121223 after 217386
SDD proceeding with computation,2039 properties remain. new max is 8192
SDD size :217386 after 423790
SDD proceeding with computation,2039 properties remain. new max is 16384
SDD size :423790 after 847222
Reachability property qltransition_2030 is true.
Reachability property qltransition_1964 is true.
Reachability property qltransition_1944 is true.
Reachability property qltransition_1400 is true.
Reachability property qltransition_1399 is true.
Reachability property qltransition_278 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_254 is true.
Reachability property qltransition_248 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_143 is true.
Reachability property qltransition_100 is true.
Reachability property qltransition_34 is true.
SDD proceeding with computation,2025 properties remain. new max is 16384
SDD size :847222 after 6.12297e+07
SDD proceeding with computation,2025 properties remain. new max is 32768
SDD size :6.12297e+07 after 2.93584e+08
SDD proceeding with computation,2025 properties remain. new max is 65536
SDD size :2.93584e+08 after 7.49067e+08
SDD proceeding with computation,2025 properties remain. new max is 131072
SDD size :7.49067e+08 after 2.76583e+09
Probably explored full state space saw : 411679 states, properties seen :7
Probabilistic random walk after 823383 steps, saw 411679 distinct states, run finished after 81244 ms. (steps per millisecond=10 ) properties seen :7
SDD proceeding with computation,2025 properties remain. new max is 262144
SDD size :2.76583e+09 after 9.23529e+09
Reachability property qltransition_2050 is true.
Reachability property qltransition_1418 is true.
Reachability property qltransition_1414 is true.
Reachability property qltransition_281 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_211 is true.
Reachability property qltransition_174 is true.
SDD proceeding with computation,2018 properties remain. new max is 262144
SDD size :9.23529e+09 after 2.2286e+10
SDD proceeding with computation,2018 properties remain. new max is 524288
SDD size :2.2286e+10 after 3.49699e+10
SDD proceeding with computation,2018 properties remain. new max is 1048576
Exhaustive walk after 1000001 steps, saw 500224 distinct states, run finished after 99407 ms. (steps per millisecond=10 ) properties seen :0
// Phase 1: matrix 2688 rows 2792 cols
[2026-05-24 14:38:30] [INFO ] Invariants computation overflowed in 50 ms
[2026-05-24 14:38:30] [INFO ] State equation strengthened by 202 read => feed constraints.
SDD size :3.49699e+10 after 5.96293e+10
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2697/5480 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 45033 ms.
Refiners :[State Equation: 0/2792 constraints, ReadFeed: 0/202 constraints, PredecessorRefiner: 2018/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2018 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2697/5480 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 45034 ms.
Refiners :[State Equation: 0/2792 constraints, ReadFeed: 0/202 constraints, PredecessorRefiner: 0/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90711ms problems are : Problem set: 0 solved, 2018 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2697 out of 2792 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2792/2792 places, 2688/2688 transitions.
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 2792 transition count 2683
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 10 place count 2787 transition count 2683
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 2787 transition count 2683
Applied a total of 18 rules in 242 ms. Remains 2787 /2792 variables (removed 5) and now considering 2683/2688 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 243 ms. Remains : 2787/2792 places, 2683/2688 transitions.
RANDOM walk for 1221265 steps (156704 resets) in 120006 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (363 resets) in 259 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (329 resets) in 305 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (354 resets) in 392 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (332 resets) in 303 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (342 resets) in 257 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (342 resets) in 289 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (317 resets) in 295 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (338 resets) in 392 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (330 resets) in 325 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (345 resets) in 366 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (338 resets) in 342 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (353 resets) in 261 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (339 resets) in 329 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (336 resets) in 388 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (321 resets) in 322 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (349 resets) in 304 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (322 resets) in 363 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (335 resets) in 295 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (340 resets) in 342 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (326 resets) in 262 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (338 resets) in 286 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (338 resets) in 289 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (352 resets) in 346 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (327 resets) in 271 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (347 resets) in 261 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (347 resets) in 389 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (348 resets) in 398 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (334 resets) in 385 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (356 resets) in 390 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (324 resets) in 346 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (344 resets) in 260 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (346 resets) in 289 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (339 resets) in 347 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (334 resets) in 358 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (343 resets) in 342 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (336 resets) in 340 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (331 resets) in 284 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (337 resets) in 344 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (342 resets) in 326 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (325 resets) in 346 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (339 resets) in 287 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (342 resets) in 265 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (338 resets) in 281 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (349 resets) in 352 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (352 resets) in 256 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (354 resets) in 296 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (344 resets) in 262 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (348 resets) in 324 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (334 resets) in 289 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (337 resets) in 386 ms. (10 steps per ms) remains 2018/2018 properties
SDD proceeding with computation,2018 properties remain. new max is 2097152
SDD size :5.96293e+10 after 1.08259e+11
Interrupted probabilistic random walk after 997993 steps, run timeout after 105001 ms. (steps per millisecond=9 ) properties seen :0 out of 2018
Probabilistic random walk after 997993 steps, saw 499343 distinct states, run finished after 105005 ms. (steps per millisecond=9 ) properties seen :0
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:42:22] [INFO ] Invariants computation overflowed in 56 ms
[2026-05-24 14:42:22] [INFO ] State equation strengthened by 206 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2697/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 75035 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 2018/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2018 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Detected timeout of ITS tools.
[2026-05-24 14:44:39] [INFO ] Flatten gal took : 111 ms
[2026-05-24 14:44:39] [INFO ] Applying decomposition
[2026-05-24 14:44:39] [INFO ] Flatten gal took : 104 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8966917491314772194.txt' '-o' '/tmp/graph8966917491314772194.bin' '-w' '/tmp/graph8966917491314772194.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8966917491314772194.bin' '-l' '-1' '-v' '-w' '/tmp/graph8966917491314772194.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:44:39] [INFO ] Decomposing Gal with order
[2026-05-24 14:44:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:44:40] [INFO ] Removed a total of 2152 redundant transitions.
[2026-05-24 14:44:40] [INFO ] Flatten gal took : 352 ms
[2026-05-24 14:44:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 56 labels/synchronizations in 138 ms.
[2026-05-24 14:44:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7724021104666853173.gal : 49 ms
[2026-05-24 14:44:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12129608227340553835.prop : 13 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/ReachabilityCardinality7724021104666853173.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12129608227340553835.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality12129608227340553835.prop.
SDD proceeding with computation,2018 properties remain. new max is 4
SDD size :1 after 88
SDD proceeding with computation,2018 properties remain. new max is 8
SDD size :88 after 1772
SDD proceeding with computation,2018 properties remain. new max is 16
SDD size :1772 after 7408
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2697/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 75032 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 0/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150731ms problems are : Problem set: 0 solved, 2018 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2697 out of 2787 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2787/2787 places, 2683/2683 transitions.
Applied a total of 0 rules in 74 ms. Remains 2787 /2787 variables (removed 0) and now considering 2683/2683 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 2787/2787 places, 2683/2683 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2787/2787 places, 2683/2683 transitions.
Applied a total of 0 rules in 90 ms. Remains 2787 /2787 variables (removed 0) and now considering 2683/2683 (removed 0) transitions.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:44:53] [INFO ] Invariants computation overflowed in 57 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:44:53] [INFO ] Implicit Places using invariants in 336 ms returned []
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:44:53] [INFO ] Invariants computation overflowed in 51 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:44:54] [INFO ] State equation strengthened by 206 read => feed constraints.
SDD proceeding with computation,2018 properties remain. new max is 32
SDD size :7408 after 1.27139e+06
[2026-05-24 14:47:15] [INFO ] Performed 7/2787 implicitness test of which 0 returned IMPLICIT in 140 seconds.
[2026-05-24 14:47:15] [INFO ] Timeout of Implicit test with SMT after 140 seconds.
[2026-05-24 14:47:15] [INFO ] Implicit Places using invariants and state equation in 141661 ms returned []
Implicit Place search using SMT with State Equation took 142000 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:47:15] [INFO ] Redundant transitions in 189 ms returned []
Running 2682 sub problems to find dead transitions.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:47:15] [INFO ] Invariants computation overflowed in 63 ms
[2026-05-24 14:47:15] [INFO ] State equation strengthened by 206 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2786/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2682 unsolved in 30033 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 2682/2682 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2682 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2786/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2682 unsolved in 30044 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 0/2682 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60863ms problems are : Problem set: 0 solved, 2682 unsolved
Search for dead transitions found 0 dead transitions in 60868ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203158 ms. Remains : 2787/2787 places, 2683/2683 transitions.
RANDOM walk for 400000 steps (51172 resets) in 45096 ms. (8 steps per ms) remains 2697/2697 properties
Running SMT prover for 2697 properties.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:48:29] [INFO ] Invariants computation overflowed in 60 ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
SDD proceeding with computation,2018 properties remain. new max is 64
SDD size :1.27139e+06 after 7.37441e+07
SDD proceeding with computation,2018 properties remain. new max is 128
SDD size :7.37441e+07 after 7.97878e+07
[2026-05-24 14:51:49] [INFO ] After 198164ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2625
[2026-05-24 14:51:49] [INFO ] State equation strengthened by 206 read => feed constraints.
SMT process timed out, exceeded limit of 100
[2026-05-24 14:51:49] [INFO ] After 0ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :2625
[2026-05-24 14:51:49] [INFO ] After 200076ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2625
RANDOM walk for 1164557 steps (149324 resets) in 120004 ms. (9 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (327 resets) in 321 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (346 resets) in 275 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (325 resets) in 275 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (329 resets) in 298 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (334 resets) in 383 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (337 resets) in 383 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (346 resets) in 278 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (349 resets) in 280 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (316 resets) in 265 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (344 resets) in 355 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (358 resets) in 321 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (348 resets) in 391 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (348 resets) in 294 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (334 resets) in 262 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (325 resets) in 289 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (345 resets) in 256 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (364 resets) in 321 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (350 resets) in 295 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (331 resets) in 391 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (328 resets) in 391 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (343 resets) in 294 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (323 resets) in 373 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (339 resets) in 356 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (345 resets) in 365 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (332 resets) in 309 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (354 resets) in 332 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (329 resets) in 306 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (320 resets) in 362 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (333 resets) in 268 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (355 resets) in 364 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (324 resets) in 333 ms. (11 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (330 resets) in 280 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (344 resets) in 284 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (323 resets) in 274 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (346 resets) in 258 ms. (15 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (339 resets) in 277 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (364 resets) in 298 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (332 resets) in 400 ms. (9 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (344 resets) in 396 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (315 resets) in 387 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (344 resets) in 293 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (343 resets) in 268 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (339 resets) in 386 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (337 resets) in 278 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (340 resets) in 274 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4001 steps (317 resets) in 276 ms. (14 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4003 steps (344 resets) in 297 ms. (13 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (312 resets) in 389 ms. (10 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4002 steps (334 resets) in 314 ms. (12 steps per ms) remains 2018/2018 properties
BEST_FIRST walk for 4000 steps (346 resets) in 318 ms. (12 steps per ms) remains 2018/2018 properties
Probabilistic random walk after 1000000 steps, saw 500345 distinct states, run finished after 101086 ms. (steps per millisecond=9 ) properties seen :0
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:54:06] [INFO ] Invariants computation overflowed in 55 ms
[2026-05-24 14:54:06] [INFO ] State equation strengthened by 206 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2697/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 90033 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 2018/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2018 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2697/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2018 unsolved in 90029 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 0/2018 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180665ms problems are : Problem set: 0 solved, 2018 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2697 out of 2787 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2787/2787 places, 2683/2683 transitions.
Applied a total of 0 rules in 69 ms. Remains 2787 /2787 variables (removed 0) and now considering 2683/2683 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 2787/2787 places, 2683/2683 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2787/2787 places, 2683/2683 transitions.
Applied a total of 0 rules in 71 ms. Remains 2787 /2787 variables (removed 0) and now considering 2683/2683 (removed 0) transitions.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:57:06] [INFO ] Invariants computation overflowed in 58 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:57:07] [INFO ] Implicit Places using invariants in 352 ms returned []
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:57:07] [INFO ] Invariants computation overflowed in 48 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:57:08] [INFO ] State equation strengthened by 206 read => feed constraints.
[2026-05-24 14:59:26] [INFO ] Performed 7/2787 implicitness test of which 0 returned IMPLICIT in 137 seconds.
[2026-05-24 14:59:26] [INFO ] Timeout of Implicit test with SMT after 137 seconds.
[2026-05-24 14:59:26] [INFO ] Implicit Places using invariants and state equation in 138814 ms returned []
Implicit Place search using SMT with State Equation took 139167 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:59:26] [INFO ] Redundant transitions in 151 ms returned []
Running 2682 sub problems to find dead transitions.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 14:59:26] [INFO ] Invariants computation overflowed in 59 ms
[2026-05-24 14:59:26] [INFO ] State equation strengthened by 206 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2786/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2682 unsolved in 30034 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 2682/2682 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2682 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2786/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2682 unsolved in 30047 ms.
Refiners :[State Equation: 0/2787 constraints, ReadFeed: 0/206 constraints, PredecessorRefiner: 0/2682 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60910ms problems are : Problem set: 0 solved, 2682 unsolved
Search for dead transitions found 0 dead transitions in 60916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200319 ms. Remains : 2787/2787 places, 2683/2683 transitions.
RANDOM walk for 400000 steps (51412 resets) in 35948 ms. (11 steps per ms) remains 2697/2697 properties
Running SMT prover for 2697 properties.
// Phase 1: matrix 2683 rows 2787 cols
[2026-05-24 15:00:37] [INFO ] Invariants computation overflowed in 78 ms
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms

BK_TIME_CONFINEMENT_REACHED

--------------------
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="DoubleExponent-PT-100"
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 DoubleExponent-PT-100, 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-177955701200562"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-100.tgz
mv DoubleExponent-PT-100 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 ;