Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r161-tall-174881261000262.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is PolyORBLF-PT-S02J04T08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r161-tall-174881261000262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 17K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 29K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 193K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 25K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 717K May 29 14:32 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 1748857962095

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBLF-PT-S02J04T08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-02 09:52:43] [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]
[2025-06-02 09:52:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 09:52:43] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2025-06-02 09:52:43] [INFO ] Transformed 614 places.
[2025-06-02 09:52:43] [INFO ] Transformed 1242 transitions.
[2025-06-02 09:52:43] [INFO ] Parsed PT model containing 614 places and 1242 transitions and 5732 arcs in 224 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 614/614 places, 1242/1242 transitions.
Ensure Unique test removed 2 places
Ensure Unique test removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 202 rules applied. Total rules applied 202 place count 612 transition count 1042
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 274 place count 540 transition count 1042
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 274 place count 540 transition count 978
Deduced a syphon composed of 64 places in 6 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 402 place count 476 transition count 978
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 3 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 530 place count 412 transition count 914
Applied a total of 530 rules in 108 ms. Remains 412 /614 variables (removed 202) and now considering 914/1242 (removed 328) transitions.
Running 912 sub problems to find dead transitions.
[2025-06-02 09:52:43] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
// Phase 1: matrix 898 rows 412 cols
[2025-06-02 09:52:43] [INFO ] Computed 48 invariants in 35 ms
[2025-06-02 09:52:43] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 28/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 134 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 41 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:53] [INFO ] Deduced a trap composed of 40 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:54] [INFO ] Deduced a trap composed of 34 places in 234 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:54] [INFO ] Deduced a trap composed of 71 places in 261 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:54] [INFO ] Deduced a trap composed of 40 places in 230 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:55] [INFO ] Deduced a trap composed of 135 places in 249 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:55] [INFO ] Deduced a trap composed of 19 places in 152 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:55] [INFO ] Deduced a trap composed of 31 places in 157 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:56] [INFO ] Deduced a trap composed of 142 places in 253 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:52:58] [INFO ] Deduced a trap composed of 234 places in 274 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:03] [INFO ] Deduced a trap composed of 133 places in 246 ms of which 37 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s156timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/1310 variables, and 62 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20068 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 912/912 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 28/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/410 variables, 16/62 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/1310 variables, and 62 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/912 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40970ms problems are : Problem set: 0 solved, 912 unsolved
Search for dead transitions found 0 dead transitions in 41001ms
[2025-06-02 09:53:24] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2025-06-02 09:53:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 09:53:26] [INFO ] Implicit Places using invariants in 1873 ms returned [74, 123, 198, 206, 282, 327, 350, 357]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 1882 ms to find 8 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 404/614 places, 914/1242 transitions.
Applied a total of 0 rules in 7 ms. Remains 404 /404 variables (removed 0) and now considering 914/914 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 43059 ms. Remains : 404/614 places, 914/1242 transitions.
Initial state reduction rules removed 2 formulas.
[2025-06-02 09:53:27] [INFO ] Flatten gal took : 220 ms
RANDOM walk for 40001 steps (18 resets) in 2948 ms. (13 steps per ms) remains 130/912 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 130/130 properties
BEST_FIRST walk for 402 steps (8 resets) in 23 ms. (16 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 130/130 properties
[2025-06-02 09:53:27] [INFO ] Flatten gal took : 84 ms
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 130/130 properties
[2025-06-02 09:53:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15763858877697691933.gal : 35 ms
BEST_FIRST walk for 403 steps (8 resets) in 25 ms. (15 steps per ms) remains 130/130 properties
[2025-06-02 09:53:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12405680861389288684.prop : 2 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/ReachabilityCardinality15763858877697691933.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12405680861389288684.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 402 steps (8 resets) in 23 ms. (16 steps per ms) remains 130/130 properties

BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 130/130 properties
its-reach command run as :

BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 130/130 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 403 steps (8 resets) in 34 ms. (11 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 130/130 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 130/130 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 130/130 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 130/130 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 130/130 properties
Loading property file /tmp/ReachabilityCardinality12405680861389288684.prop.
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 130/130 properties
[2025-06-02 09:53:27] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
// Phase 1: matrix 898 rows 404 cols
[2025-06-02 09:53:27] [INFO ] Computed 40 invariants in 19 ms
[2025-06-02 09:53:27] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,130 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,130 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,130 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,130 properties remain. new max is 32
SDD size :7 after 41
SDD proceeding with computation,130 properties remain. new max is 64
SDD size :41 after 111
SDD proceeding with computation,130 properties remain. new max is 128
SDD size :111 after 249
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 2/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 130 unsolved
SDD proceeding with computation,130 properties remain. new max is 256
SDD size :249 after 268
SDD proceeding with computation,130 properties remain. new max is 512
SDD size :268 after 667
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 130 unsolved
SDD proceeding with computation,130 properties remain. new max is 1024
SDD size :667 after 983
SDD proceeding with computation,130 properties remain. new max is 2048
SDD size :983 after 13853
At refinement iteration 3 (OVERLAPS) 314/372 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:30] [INFO ] Deduced a trap composed of 41 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 72 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 49 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,130 properties remain. new max is 4096
SDD size :13853 after 19945
[2025-06-02 09:53:31] [INFO ] Deduced a trap composed of 41 places in 43 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/372 variables, 8/28 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 372/1302 variables, and 28 constraints, problems are : Problem set: 0 solved, 130 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/13 constraints, Generalized P Invariants (flows): 18/27 constraints, State Equation: 0/404 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 130 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 1 (OVERLAPS) 2/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 130 unsolved
SDD proceeding with computation,130 properties remain. new max is 8192
SDD size :19945 after 36753
At refinement iteration 3 (OVERLAPS) 314/372 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 130 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/372 variables, 8/28 constraints. Problems are: Problem set: 0 solved, 130 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/1302 variables, and 28 constraints, problems are : Problem set: 0 solved, 130 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/13 constraints, Generalized P Invariants (flows): 18/27 constraints, State Equation: 0/404 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/130 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10170ms problems are : Problem set: 0 solved, 130 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 56 out of 404 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 404/404 places, 914/914 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 398 transition count 908
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 398 transition count 908
Applied a total of 12 rules in 81 ms. Remains 398 /404 variables (removed 6) and now considering 908/914 (removed 6) transitions.
Running 906 sub problems to find dead transitions.
[2025-06-02 09:53:38] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
// Phase 1: matrix 892 rows 398 cols
[2025-06-02 09:53:38] [INFO ] Computed 40 invariants in 16 ms
[2025-06-02 09:53:38] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,130 properties remain. new max is 16384
SDD size :36753 after 166055
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 906 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 23/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 131 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 75 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 76 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 41 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:45] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:46] [INFO ] Deduced a trap composed of 71 places in 233 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:46] [INFO ] Deduced a trap composed of 19 places in 195 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:46] [INFO ] Deduced a trap composed of 41 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:47] [INFO ] Deduced a trap composed of 234 places in 272 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:48] [INFO ] Deduced a trap composed of 142 places in 223 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:49] [INFO ] Deduced a trap composed of 31 places in 135 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:49] [INFO ] Deduced a trap composed of 135 places in 241 ms of which 51 ms to minimize.
Reachability property qltransition_101 is true.
Reachability property qltransition_65 is true.
SDD proceeding with computation,128 properties remain. new max is 16384
SDD size :166055 after 1.70727e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:54] [INFO ] Deduced a trap composed of 140 places in 237 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:53:55] [INFO ] Deduced a trap composed of 155 places in 236 ms of which 35 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 396/1290 variables, and 53 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 23/26 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 906/906 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 906 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/396 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SDD proceeding with computation,128 properties remain. new max is 32768
SDD size :1.70727e+06 after 2.06213e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/396 variables, 23/37 constraints. Problems are: Problem set: 0 solved, 906 unsolved
SDD proceeding with computation,128 properties remain. new max is 65536
SDD size :2.06213e+06 after 5.9141e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/396 variables, 16/53 constraints. Problems are: Problem set: 0 solved, 906 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 396/1290 variables, and 53 constraints, problems are : Problem set: 0 solved, 906 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 23/26 constraints, State Equation: 0/398 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/906 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40671ms problems are : Problem set: 0 solved, 906 unsolved
Search for dead transitions found 0 dead transitions in 40674ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40757 ms. Remains : 398/404 places, 908/914 transitions.
SDD proceeding with computation,128 properties remain. new max is 131072
SDD size :5.9141e+06 after 9.58341e+06
RANDOM walk for 4000000 steps (1651 resets) in 68996 ms. (57 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (13 resets) in 380 ms. (104 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (11 resets) in 441 ms. (90 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (11 resets) in 593 ms. (67 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 494 ms. (80 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 529 ms. (75 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (11 resets) in 514 ms. (77 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 373 ms. (106 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (11 resets) in 349 ms. (114 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (9 resets) in 405 ms. (98 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (11 resets) in 367 ms. (108 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40004 steps (11 resets) in 351 ms. (113 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (9 resets) in 353 ms. (113 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (14 resets) in 393 ms. (101 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (8 resets) in 331 ms. (120 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (11 resets) in 344 ms. (115 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (11 resets) in 323 ms. (123 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 316 ms. (126 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 364 ms. (109 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40000 steps (9 resets) in 309 ms. (129 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (13 resets) in 375 ms. (106 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (10 resets) in 333 ms. (119 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (11 resets) in 374 ms. (106 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 330 ms. (120 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (9 resets) in 372 ms. (107 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (8 resets) in 338 ms. (118 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (10 resets) in 320 ms. (124 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (10 resets) in 312 ms. (127 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (12 resets) in 349 ms. (114 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (8 resets) in 390 ms. (102 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (14 resets) in 358 ms. (111 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40001 steps (10 resets) in 397 ms. (100 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (13 resets) in 343 ms. (116 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40004 steps (10 resets) in 396 ms. (100 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (14 resets) in 326 ms. (122 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40004 steps (16 resets) in 416 ms. (95 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40004 steps (14 resets) in 354 ms. (112 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (11 resets) in 381 ms. (104 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (10 resets) in 309 ms. (129 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (9 resets) in 392 ms. (101 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (16 resets) in 329 ms. (121 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (10 resets) in 401 ms. (99 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (13 resets) in 342 ms. (116 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40004 steps (14 resets) in 384 ms. (103 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 406 ms. (98 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (10 resets) in 381 ms. (104 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (9 resets) in 351 ms. (113 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (11 resets) in 406 ms. (98 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (11 resets) in 334 ms. (119 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40003 steps (8 resets) in 399 ms. (100 steps per ms) remains 128/128 properties
BEST_FIRST walk for 40002 steps (14 resets) in 432 ms. (92 steps per ms) remains 128/128 properties
SDD proceeding with computation,128 properties remain. new max is 262144
SDD size :9.58341e+06 after 9.18202e+07
Interrupted probabilistic random walk after 2708612 steps, run timeout after 72001 ms. (steps per millisecond=37 ) properties seen :0 out of 128
Probabilistic random walk after 2708612 steps, saw 1326733 distinct states, run finished after 72010 ms. (steps per millisecond=37 ) properties seen :0
[2025-06-02 09:55:55] [INFO ] Flow matrix only has 892 transitions (discarded 16 similar events)
[2025-06-02 09:55:55] [INFO ] Invariant cache hit.
[2025-06-02 09:55:55] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (OVERLAPS) 125/178 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 09:55:55] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/178 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 102/280 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 6/286 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/286 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Problem qltransition_33 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 5645ms, After SMT, problems are : Problem set: 1 solved, 127 unsolved
Fused 127 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 53 out of 398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 398/398 places, 908/908 transitions.
Applied a total of 0 rules in 33 ms. Remains 398 /398 variables (removed 0) and now considering 908/908 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 398/398 places, 908/908 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 197678 ms.

BK_STOP 1748858161341

--------------------
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="PolyORBLF-PT-S02J04T08"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is PolyORBLF-PT-S02J04T08, 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 r161-tall-174881261000262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T08.tgz
mv PolyORBLF-PT-S02J04T08 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 ;