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.r176-smll-177961111900139.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is JoinFreeModules-PT-2000, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-smll-177961111900139
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.7M
-rw-r--r-- 1 mcc users 7.8K Mar 7 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Mar 7 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 16:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 16:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 6.2M 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 Liveness

=== Now, execution of the tool begins

BK_START 1779758562343

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-26 01:22:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-26 01:22:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 01:22:46] [INFO ] Load time of PNML (sax parser for PT used): 1154 ms
[2026-05-26 01:22:46] [INFO ] Transformed 10001 places.
[2026-05-26 01:22:46] [INFO ] Transformed 16001 transitions.
[2026-05-26 01:22:46] [INFO ] Parsed PT model containing 10001 places and 16001 transitions and 46002 arcs in 1451 ms.
Discarding 8000 transitions out of 16001. Remains 8001
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 51 ms.108981KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 16001/16001 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 5212 ms. Remains 10000 /10000 variables (removed 0) and now considering 16001/16001 (removed 0) transitions.
Running 12000 sub problems to find dead transitions.
// Phase 1: matrix 16001 rows 10000 cols
[2026-05-26 01:22:53] [INFO ] Computed 2000 invariants in 136 ms
[2026-05-26 01:22:53] [INFO ] State equation strengthened by 2000 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20482 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 12000/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12000 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20221 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59020ms problems are : Problem set: 0 solved, 12000 unsolved
Search for dead transitions found 0 dead transitions in 59132ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 64482 ms. Remains : 10000/10000 places, 16001/16001 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 16001/16001 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 3666 ms. Remains 10000 /10000 variables (removed 0) and now considering 16001/16001 (removed 0) transitions.
[2026-05-26 01:23:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 01:23:59] [INFO ] Implicit Places using invariants in 3089 ms returned []
Implicit Place search using SMT only with invariants took 3098 ms to find 0 implicit places.
Running 12000 sub problems to find dead transitions.
[2026-05-26 01:23:59] [INFO ] Invariant cache hit.
[2026-05-26 01:23:59] [INFO ] State equation strengthened by 2000 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 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 30189 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 12000/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12000 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 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 30164 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79116ms problems are : Problem set: 0 solved, 12000 unsolved
Search for dead transitions found 0 dead transitions in 79162ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 85967 ms. Remains : 10000/10000 places, 16001/16001 transitions.
Interrupted Random walk after 294945 steps, including 0 resets, run timeout after 30120 ms. (steps per millisecond=9 )
Interrupted Random directed walk after 86255 steps, including 0 resets, run timeout after 31177 ms. (steps per millisecond=2 )
[2026-05-26 01:26:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-26 01:26:25] [INFO ] [Real]Absence check using 2000 positive place invariants in 16 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 10001/10001 places, 16001/16001 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10000 transition count 16001
Applied a total of 1 rules in 174 ms. Remains 10000 /10001 variables (removed 1) and now considering 16001/16001 (removed 0) transitions.
Running 12000 sub problems to find dead transitions.
[2026-05-26 01:26:25] [INFO ] Invariant cache hit.
[2026-05-26 01:26:25] [INFO ] State equation strengthened by 2000 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20174 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 12000/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12000 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20210 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56308ms problems are : Problem set: 0 solved, 12000 unsolved
Search for dead transitions found 0 dead transitions in 56334ms
[2026-05-26 01:27:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 01:27:25] [INFO ] Implicit Places using invariants in 3977 ms returned []
Implicit Place search using SMT only with invariants took 3978 ms to find 0 implicit places.
Running 12000 sub problems to find dead transitions.
[2026-05-26 01:27:25] [INFO ] Invariant cache hit.
[2026-05-26 01:27:25] [INFO ] State equation strengthened by 2000 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 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 30266 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 12000/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12000 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 8000/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 30164 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76535ms problems are : Problem set: 0 solved, 12000 unsolved
Search for dead transitions found 0 dead transitions in 76560ms
Starting structural reductions in LIVENESS mode, iteration 1 : 10000/10001 places, 16001/16001 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 137104 ms. Remains : 10000/10001 places, 16001/16001 transitions.
Discarding 8000 transitions out of 16001. Remains 8001
Initial state reduction rules removed 1 formulas.
RANDOM walk for 42035 steps (8 resets) in 7434 ms. (5 steps per ms) remains 7961/8000 properties
BEST_FIRST walk for 124 steps (0 resets) in 40 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 65 ms. (1 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 50 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 36 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 39 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 60 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 53 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 39 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 40 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 47 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 45 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 32 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 41 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 37 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 40 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 34 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 41 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 46 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 39 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 48 ms. (2 steps per ms) remains 7961/7961 properties
[2026-05-26 01:28:45] [INFO ] Flatten gal took : 1339 ms
BEST_FIRST walk for 124 steps (0 resets) in 34 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 34 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 50 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 37 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 35 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 37 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 38 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 36 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 37 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 46 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 38 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 48 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 35 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 40 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 38 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 47 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 28 ms. (4 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 33 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 41 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 39 ms. (3 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 42 ms. (2 steps per ms) remains 7961/7961 properties
BEST_FIRST walk for 124 steps (0 resets) in 38 ms. (3 steps per ms) remains 7961/7961 properties
[2026-05-26 01:28:45] [INFO ] Flatten gal took : 558 ms
[2026-05-26 01:28:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17791307500013483386.gal : 308 ms
[2026-05-26 01:28:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1681221715156906627.prop : 50 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/ReachabilityCardinality17791307500013483386.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1681221715156906627.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/ReachabilityCardinality1681221715156906627.prop.
Probabilistic random walk after 11002 steps, saw 11001 distinct states, run finished after 6205 ms. (steps per millisecond=1 ) properties seen :1985
[2026-05-26 01:28:51] [INFO ] Invariant cache hit.
[2026-05-26 01:28:51] [INFO ] State equation strengthened by 2000 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5976/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 5976 unsolved in 5151 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 5976/5976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5976 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5976/26001 variables, and 0 constraints, problems are : Problem set: 0 solved, 5976 unsolved in 5102 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/5976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18475ms problems are : Problem set: 0 solved, 5976 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5976 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 16001/16001 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10000 transition count 16000
Applied a total of 1 rules in 1131 ms. Remains 10000 /10000 variables (removed 0) and now considering 16000/16001 (removed 1) transitions.
Running 12000 sub problems to find dead transitions.
// Phase 1: matrix 16000 rows 10000 cols
[2026-05-26 01:29:11] [INFO ] Computed 2000 invariants in 60 ms
[2026-05-26 01:29:11] [INFO ] State equation strengthened by 2000 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8000/26000 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20196 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 12000/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12000 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8000/26000 variables, and 0 constraints, problems are : Problem set: 0 solved, 12000 unsolved in 20188 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/12000 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58499ms problems are : Problem set: 0 solved, 12000 unsolved
Search for dead transitions found 0 dead transitions in 58525ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59673 ms. Remains : 10000/10000 places, 16000/16001 transitions.
RANDOM walk for 922545 steps (0 resets) in 120445 ms. (7 steps per ms) remains 5440/5976 properties
BEST_FIRST walk for 4004 steps (0 resets) in 641 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 604 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 565 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 567 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 599 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 619 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 623 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 785 ms. (5 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 666 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 606 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 637 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 632 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 638 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 688 ms. (5 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 651 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 702 ms. (5 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 597 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 560 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 578 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 580 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 573 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 585 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 587 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 570 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 570 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 569 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 521 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 520 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 524 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 515 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 582 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 578 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 653 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 555 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 575 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 582 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 589 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 572 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 583 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 583 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 578 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 633 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 586 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 524 ms. (7 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 584 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 585 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 582 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 581 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 580 ms. (6 steps per ms) remains 5440/5440 properties
BEST_FIRST walk for 4004 steps (0 resets) in 574 ms. (6 steps per ms) remains 5440/5440 properties
Probabilistic random walk after 185173 steps, saw 185078 distinct states, run finished after 117135 ms. (steps per millisecond=1 ) properties seen :3
[2026-05-26 01:32:46] [INFO ] Invariant cache hit.
[2026-05-26 01:32:46] [INFO ] State equation strengthened by 2000 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5437/26000 variables, and 0 constraints, problems are : Problem set: 0 solved, 5437 unsolved in 45117 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 5437/5437 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5437 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Reachability property qltransition_3 is true.
SDD proceeding with computation,7960 properties remain. new max is 2
SDD size :1 after 8
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5437/26000 variables, and 0 constraints, problems are : Problem set: 0 solved, 5437 unsolved in 45082 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2000 constraints, State Equation: 0/10000 constraints, ReadFeed: 0/2000 constraints, PredecessorRefiner: 0/5437 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98754ms problems are : Problem set: 0 solved, 5437 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5437 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 16000/16000 transitions.
Graph (complete) has 24000 edges and 10000 vertex of which 9910 are kept as prefixes of interest. Removing 90 places using SCC suffix rule.30 ms
Discarding 90 places :
Also discarding 144 output transitions
Drop transitions (Output transitions of discarded places.) removed 144 transitions
Applied a total of 1 rules in 769 ms. Remains 9910 /10000 variables (removed 90) and now considering 15856/16000 (removed 144) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 770 ms. Remains : 9910/10000 places, 15856/16000 transitions.
RANDOM walk for 943016 steps (0 resets) in 120586 ms. (7 steps per ms) remains 4919/5437 properties
BEST_FIRST walk for 4004 steps (0 resets) in 659 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 543 ms. (7 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 562 ms. (7 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 549 ms. (7 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 576 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 656 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 650 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 641 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 637 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 640 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 620 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 704 ms. (5 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 616 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 635 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 609 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 625 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 642 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 612 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 643 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 631 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 631 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 608 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 631 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 639 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 603 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 590 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 537 ms. (7 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 605 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 609 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 602 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 594 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 626 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 612 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 645 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 612 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 593 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 600 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 595 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 685 ms. (5 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 607 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 620 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 637 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 627 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 624 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 685 ms. (5 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 621 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 610 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 618 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 598 ms. (6 steps per ms) remains 4919/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 630 ms. (6 steps per ms) remains 4919/4919 properties
// Phase 1: matrix 15856 rows 9910 cols
[2026-05-26 01:35:05] [INFO ] Computed 1982 invariants in 65 ms
[2026-05-26 01:35:05] [INFO ] State equation strengthened by 1982 read => feed constraints.
SDD proceeding with computation,7960 properties remain. new max is 4
SDD size :8 after 17
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
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(s2468 4.0)
(s2469 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4919/25766 variables, and 0 constraints, problems are : Problem set: 0 solved, 4919 unsolved in 75139 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1982 constraints, State Equation: 0/9910 constraints, ReadFeed: 0/1982 constraints, PredecessorRefiner: 4919/4919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4919 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4919/25766 variables, and 0 constraints, problems are : Problem set: 0 solved, 4919 unsolved in 75119 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1982 constraints, State Equation: 0/9910 constraints, ReadFeed: 0/1982 constraints, PredecessorRefiner: 0/4919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 157288ms problems are : Problem set: 0 solved, 4919 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4919 out of 9910 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9910/9910 places, 15856/15856 transitions.
Graph (complete) has 23784 edges and 9910 vertex of which 9810 are kept as prefixes of interest. Removing 100 places using SCC suffix rule.13 ms
Discarding 100 places :
Also discarding 160 output transitions
Drop transitions (Output transitions of discarded places.) removed 160 transitions
Applied a total of 1 rules in 958 ms. Remains 9810 /9910 variables (removed 100) and now considering 15696/15856 (removed 160) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 958 ms. Remains : 9810/9910 places, 15696/15856 transitions.
RANDOM walk for 945822 steps (0 resets) in 120633 ms. (7 steps per ms) remains 4426/4919 properties
BEST_FIRST walk for 4004 steps (0 resets) in 552 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 555 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 594 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 595 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 577 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 598 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 583 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 617 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 540 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 576 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 661 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 552 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 545 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 636 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 616 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 634 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 631 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 619 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 618 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 595 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 552 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 678 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 901 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 964 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1175 ms. (3 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 837 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 774 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 827 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 902 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 824 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 895 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 991 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 893 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 736 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 840 ms. (4 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 773 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 678 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 720 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 512 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 515 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 548 ms. (7 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 591 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 612 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 605 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 616 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 600 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 715 ms. (5 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 585 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 594 ms. (6 steps per ms) remains 4426/4426 properties
BEST_FIRST walk for 4004 steps (0 resets) in 602 ms. (6 steps per ms) remains 4426/4426 properties
// Phase 1: matrix 15696 rows 9810 cols
[2026-05-26 01:38:24] [INFO ] Computed 1962 invariants in 62 ms
[2026-05-26 01:38:24] [INFO ] State equation strengthened by 1962 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
Detected timeout of ITS tools.
[2026-05-26 01:38:46] [INFO ] Flatten gal took : 551 ms
[2026-05-26 01:38:46] [INFO ] Applying decomposition
[2026-05-26 01:38:47] [INFO ] Flatten gal took : 394 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/graph11045372664239080894.txt' '-o' '/tmp/graph11045372664239080894.bin' '-w' '/tmp/graph11045372664239080894.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11045372664239080894.bin' '-l' '-1' '-v' '-w' '/tmp/graph11045372664239080894.weights' '-q' '0' '-e' '0.001'
[2026-05-26 01:38:49] [INFO ] Decomposing Gal with order
[2026-05-26 01:38:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 01:38:58] [INFO ] Flatten gal took : 512 ms
[2026-05-26 01:38:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 728 ms.
[2026-05-26 01:38:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11280146446403884148.gal : 90 ms
[2026-05-26 01:38:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15946273534365818914.prop : 12 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/ReachabilityCardinality11280146446403884148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15946273534365818914.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 ...309
Loading property file /tmp/ReachabilityCardinality15946273534365818914.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4426/25506 variables, and 0 constraints, problems are : Problem set: 0 solved, 4426 unsolved in 90097 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1962 constraints, State Equation: 0/9810 constraints, ReadFeed: 0/1962 constraints, PredecessorRefiner: 4426/4426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4426 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
SDD proceeding with computation,4426 properties remain. new max is 4
SDD size :1 after 8
Reachability property qltransition_1 is true.
SDD proceeding with computation,4425 properties remain. new max is 4
SDD size :8 after 25
SDD proceeding with computation,4425 properties remain. new max is 8
SDD size :25 after 50
SDD proceeding with computation,4425 properties remain. new max is 16
SDD size :50 after 116
SDD proceeding with computation,4425 properties remain. new max is 32
SDD size :116 after 314
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 4426/25506 variables, and 0 constraints, problems are : Problem set: 1 solved, 4425 unsolved in 90108 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1962 constraints, State Equation: 0/9810 constraints, ReadFeed: 0/1962 constraints, PredecessorRefiner: 0/4426 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 187413ms problems are : Problem set: 1 solved, 4425 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4425 out of 9810 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9810/9810 places, 15696/15696 transitions.
Graph (complete) has 23544 edges and 9810 vertex of which 9720 are kept as prefixes of interest. Removing 90 places using SCC suffix rule.11 ms
Discarding 90 places :
Also discarding 144 output transitions
Drop transitions (Output transitions of discarded places.) removed 144 transitions
Applied a total of 1 rules in 792 ms. Remains 9720 /9810 variables (removed 90) and now considering 15552/15696 (removed 144) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 792 ms. Remains : 9720/9810 places, 15552/15696 transitions.
SDD proceeding with computation,4425 properties remain. new max is 64
SDD size :314 after 974
SDD proceeding with computation,4425 properties remain. new max is 128
SDD size :974 after 3336
RANDOM walk for 954611 steps (0 resets) in 120162 ms. (7 steps per ms) remains 3972/4425 properties
BEST_FIRST walk for 4004 steps (0 resets) in 566 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 588 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 726 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 577 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 642 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 634 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 658 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 691 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 628 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 619 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 619 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 554 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 554 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 661 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 670 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 624 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 607 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 618 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 749 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 561 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 635 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 632 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 620 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 626 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 684 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 606 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 597 ms. (6 steps per ms) remains 3972/3972 properties
SDD proceeding with computation,4425 properties remain. new max is 256
SDD size :3336 after 12194
BEST_FIRST walk for 4004 steps (0 resets) in 589 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 594 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 723 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 544 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 550 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 538 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 543 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 543 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 578 ms. (6 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 557 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 544 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 543 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 545 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 743 ms. (5 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 544 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 548 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 548 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 540 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 554 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 545 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 560 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 542 ms. (7 steps per ms) remains 3972/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 545 ms. (7 steps per ms) remains 3972/3972 properties
// Phase 1: matrix 15552 rows 9720 cols
[2026-05-26 01:42:11] [INFO ] Computed 1944 invariants in 30 ms
[2026-05-26 01:42:11] [INFO ] State equation strengthened by 1944 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
SDD proceeding with computation,4425 properties remain. new max is 512
SDD size :12194 after 46375
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 Real declared 3972/25272 variables, and 0 constraints, problems are : Problem set: 0 solved, 3972 unsolved in 105062 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1944 constraints, State Equation: 0/9720 constraints, ReadFeed: 0/1944 constraints, PredecessorRefiner: 3972/3972 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3972 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
SDD proceeding with computation,4425 properties remain. new max is 1024
SDD size :46375 after 180439
Error getting values : (error "ParserException while parsing response: ((s3 4)
(s4 5)
(s5 5)
(s10 5)
(s18 4)
(s19 5)
(s20 5)
(s25 5)
(s30 5)
(s35 5)
(s38 4)
(s39 5)
(s40 5)
(s45 5)
(s50 5)
(s53 4)
(s54 5)
(s55 5)
(s60 5)
(s63 4)
(s64 5)
(s65 5)
(s70 5)
(s75 5)
(s80 5)
(s85 5)
(s90 5)
(s93 4)
(s94 5)
(s95 5)
(s98 4)
(s99 5)
(s100 5)
(s103 4)
(s104 5)
(s105 5)
(s110 5)
(s113 4)
(s114 5)
(s115 5)
(s120 5)
(s125 5)
(s128 4)
(s129 5)
(s130 5)
(s133 4)
(s134 5)
(s135 5)
(s138 4)
(s139 5)
(s140 5)
(s143 4)
(s144 5)
(s145 5)
(s148 4)
(s149 5)
(s150 5)
(s153 4)
(s154 5)
(s155 5)
(s158 4)
(s159 5)
(s160 5)
(s163 4)
(s164 5)
(s165 5)
(s168 4)
(s169 5)
(s170 5)
(s173 4)
(s174 5)
(s175 5)
(s178 4)
(s179 5)
(s180 5)
(s183 4)
(s184 5)
(s185 5)
(s190 5)
(s195 5)
(s200 5)
(s203 4)
(s204 5)
(s205 5)
(s208 4)
(s209 5)
(s210 5)
(s213 4)
(s214 5)
(s215 5)
(s218 4)
(s219 5)
(s220 5)
(s225 5)
(s228 4)
(s229 5)
(s230 5)
(s233 4)
(s234 5)
(s235 5)
(s238 4)
(s239 5)
(s240 5)
(s243 4)
(s244 5)
(s245 5)
(s250 5)
(s255 5)
(s260 5)
(s263 4)
(s264 5)
(s265 5)
(s268 4)
(s269 5)
(s270 5)
(s273 4)
(s274 5)
(s275 5)
(s280 5)
(s283 4)
(s284 5)
(s285 5)
(s290 5)
(s293 4)
(s294 5)
(s295 5)
(s300 5)
(s305 5)
(s310 5)
(s315 5)
(s318 4)
(s319 5)
(s320 5)
(s325 5)
(s328 4)
(s329 5)
(s330 5)
(s335 5)
(s338 4)
(s339 5)
(s343 4)
(s344 5)
(s345 5)
(s350 5)
(s353 4)
(s354 5)
(s355 5)
(s360 5)
(s365 5)
(s370 5)
(s373 4)
(s374 5)
(s375 5)
(s378 4)
(s379 5)
(s380 5)
(s383 4)
(s384 5)
(s385 5)
(s388 4)
(s389 5)
(s390 5)
(s393 4)
(s394 5)
(s395 5)
(s400 5)
(s403 4)
(s404 5)
(s405 5)
(s408 4)
(s409 5)
(s410 5)
(s413 4)
(s414 5)
(s415 5)
(s418 4)
(s419 5)
(s420 5)
(s423 4)
(s424 5)
(s425 5)
(s428 4)
(s429 5)
(s430 5)
(s435 5)
(s438 4)
(s439 5)
(s440 5)
(s443 4)
(s444 5)
(s445 5)
(s448 4)
(s449 5)
(s450 5)
(s453 4)
(s454 5)
(s455 5)
(s458 4)
(s459 5)
(s460 5)
(s463 4)
(s464 5)
(s465 5)
(s470 5)
(s473 4)
(s474 5)
(s475 5)
(s478 4)
(s479 5)
(s480 5)
(s483 4)
(s484 5)
(s485 5)
(s490 5)
(s493 4)
(s494 5)
(s495 5)
(s498 4)
(s499 5)
(s500 5)
(s503 4)
(s504 5)
(s505 5)
(s508 4)
(s509 5)
(s510 5)
(s513 4)
(s514 5)
(s515 5)
(s518 4)
(s519 5)
(s520 5)
(s525 5)
(s528 4)
(s529 5)
(s530 5)
(s533 4)
(s534 5)
(s535 5)
(s538 4)
(s539 5)
(s540 5)
(s545 5)
(s550 5)
(s555 5)
(s560 5)
(s563 4)
(s564 5)
(s565 5)
(s570 5)
(s575 5)
(s580 5)
(s585 5)
(s590 5)
(s593 4)
(s594 5)
(s595 5)
(s600 5)
(s605 5)
(s608 4)
(s609 5)
(s610 5)
(s615 5)
(s618 4)
(s619 5)
(s620 5)
(s625 5)
(s630 5)
(s633 4)
(s634 5)
(s635 5)
(s640 5)
(s645 5)
(s648 4)
(s649 5)
(s650 5)
(s653 4)
(s654 5)
(s655 5)
(s660 5)
(s665 5)
(s668 4)
(s669 5)
(s670 5)
(s673 4)
(s674 5)
(s675 5)
(s678 4)
(s679 5)
(s680 5)
(s685 5)
(s690 5)
(s693 4)
(s694 5)
(s695 5)
(s698 4)
(s699 5)
(s700 5)
(s703 4)
(s704 5)
(s705 5)
(s710 5)
(s713 4)
(s714 5)
(s715 5)
(s720 5)
(s725 5)
(s728 4)
(s729 5)
(s730 5)
(s735 5)
(s738 4)
(s739 5)
(s740 5)
(s743 4)
(s744 5)
(s745 5)
(s748 4)
(s749 5)
(s750 5)
(s753 4)
(s754 5)
(s755 5)
(s760 5)
(s763 4)
(s764 5)
(s765 5)
(s770 5)
(s773 4)
(s774 5)
(s775 5)
(s778 4)
(s779 5)
(s780 5)
(s783 4)
(s784 5)
(s785 5)
(s790 5)
(s795 5)
(s798 4)
(s799 5)
(s800 5)
(s803 4)
(s804 5)
(s805 5)
(s808 4)
(s809 5)
(s810 5)
(s813 4)
(s814 5)
(s815 5)
(s818 4)
(s819 5)
(s820 5)
(s825 5)
(s830 5)
(s833 4)
(s834 5)
(s835 5)
(s838 4)
(s839 5)
(s840 5)
(s843 4)
(s844 5)
(s845 5)
(s848 timeout
4) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3972/25272 variables, and 0 constraints, problems are : Problem set: 0 solved, 3972 unsolved in 105069 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1944 constraints, State Equation: 0/9720 constraints, ReadFeed: 0/1944 constraints, PredecessorRefiner: 0/3972 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215639ms problems are : Problem set: 0 solved, 3972 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3972 out of 9720 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9720/9720 places, 15552/15552 transitions.
Graph (complete) has 23328 edges and 9720 vertex of which 9605 are kept as prefixes of interest. Removing 115 places using SCC suffix rule.9 ms
Discarding 115 places :
Also discarding 184 output transitions
Drop transitions (Output transitions of discarded places.) removed 184 transitions
Applied a total of 1 rules in 783 ms. Remains 9605 /9720 variables (removed 115) and now considering 15368/15552 (removed 184) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 783 ms. Remains : 9605/9720 places, 15368/15552 transitions.
RANDOM walk for 985071 steps (0 resets) in 120273 ms. (8 steps per ms) remains 3644/3972 properties
BEST_FIRST walk for 4004 steps (0 resets) in 683 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 696 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 560 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 541 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 534 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 540 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 696 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 543 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 551 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 538 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 542 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 551 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 544 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 554 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 586 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 566 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 532 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 831 ms. (4 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 776 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 730 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 733 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 709 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 758 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 668 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 642 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 644 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 617 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 613 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 634 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 529 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 530 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 533 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 531 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 537 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 594 ms. (6 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 533 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 541 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 534 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 737 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 792 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 520 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 541 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 532 ms. (7 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 808 ms. (4 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 845 ms. (4 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 860 ms. (4 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 786 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 731 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 730 ms. (5 steps per ms) remains 3644/3644 properties
BEST_FIRST walk for 4004 steps (0 resets) in 697 ms. (5 steps per ms) remains 3644/3644 properties
Probabilistic random walk after 185595 steps, saw 185490 distinct states, run finished after 133408 ms. (steps per millisecond=1 ) properties seen :0
// Phase 1: matrix 15368 rows 9605 cols
[2026-05-26 01:48:45] [INFO ] Computed 1921 invariants in 183 ms
[2026-05-26 01:48:46] [INFO ] State equation strengthened by 1921 read => feed constraints.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3644/24973 variables, and 0 constraints, problems are : Problem set: 0 solved, 3644 unsolved in 120211 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1921 constraints, State Equation: 0/9605 constraints, ReadFeed: 0/1921 constraints, PredecessorRefiner: 3644/3644 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3644 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="JoinFreeModules-PT-2000"
export BK_EXAMINATION="Liveness"
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 JoinFreeModules-PT-2000, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r176-smll-177961111900139"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-2000.tgz
mv JoinFreeModules-PT-2000 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;