Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r091-smll-174860108100277.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FlexibleBarrier-PT-08b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-smll-174860108100277
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 241K 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 1748654291887

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-08b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-31 01:18:14] [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]
[2025-05-31 01:18:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 01:18:15] [INFO ] Load time of PNML (sax parser for PT used): 260 ms
[2025-05-31 01:18:15] [INFO ] Transformed 920 places.
[2025-05-31 01:18:15] [INFO ] Transformed 1057 transitions.
[2025-05-31 01:18:15] [INFO ] Found NUPN structural information;
[2025-05-31 01:18:15] [INFO ] Parsed PT model containing 920 places and 1057 transitions and 2627 arcs in 496 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 920/920 places, 1057/1057 transitions.
Graph (trivial) has 894 edges and 920 vertex of which 50 / 920 are part of one of the 8 SCC in 16 ms
Free SCC test removed 42 places
Ensure Unique test removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 241 transitions
Trivial Post-agglo rules discarded 241 transitions
Performed 241 trivial Post agglomeration. Transition count delta: 241
Iterating post reduction 0 with 241 rules applied. Total rules applied 242 place count 878 transition count 773
Reduce places removed 241 places and 0 transitions.
Iterating post reduction 1 with 241 rules applied. Total rules applied 483 place count 637 transition count 773
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 56 Pre rules applied. Total rules applied 483 place count 637 transition count 717
Deduced a syphon composed of 56 places in 6 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 595 place count 581 transition count 717
Performed 367 Post agglomeration using F-continuation condition.Transition count delta: 367
Deduced a syphon composed of 367 places in 1 ms
Reduce places removed 367 places and 0 transitions.
Iterating global reduction 2 with 734 rules applied. Total rules applied 1329 place count 214 transition count 350
Applied a total of 1329 rules in 232 ms. Remains 214 /920 variables (removed 706) and now considering 350/1057 (removed 707) transitions.
[2025-05-31 01:18:15] [INFO ] Flow matrix only has 327 transitions (discarded 23 similar events)
// Phase 1: matrix 327 rows 214 cols
[2025-05-31 01:18:15] [INFO ] Computed 10 invariants in 28 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:18:16] [INFO ] Implicit Places using invariants in 873 ms returned []
[2025-05-31 01:18:16] [INFO ] Flow matrix only has 327 transitions (discarded 23 similar events)
[2025-05-31 01:18:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:18:16] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-31 01:18:17] [INFO ] Implicit Places using invariants and state equation in 1165 ms returned []
Implicit Place search using SMT with State Equation took 2114 ms to find 0 implicit places.
Running 349 sub problems to find dead transitions.
[2025-05-31 01:18:17] [INFO ] Flow matrix only has 327 transitions (discarded 23 similar events)
[2025-05-31 01:18:17] [INFO ] Invariant cache hit.
[2025-05-31 01:18:17] [INFO ] State equation strengthened by 49 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/213 variables, 213/213 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/213 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 2 (OVERLAPS) 1/214 variables, 10/223 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 5 (OVERLAPS) 326/540 variables, 214/438 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 48/486 constraints. Problems are: Problem set: 0 solved, 349 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 11.0)
(t1 0.0)
(t2 0.0)
(t3 0.0)
(t4 0.0)
(t5 0.0)
(t6 0.0)
(t7 0.0)
(t8 0.0)
(t9 0.0)
(t10 0.0)
(t11 0.0)
(t12 0.0)
(t13 0.0)
(t14 0.0)
(t15 0.0)
(t16 0.0)
(t17 0.0)
(t18 0.0)
(t19 0.0)
(t20 0.0)
(t21 0.0)
(t22 0.0)
(t23 0.0)
(t24 0.0)
(t25 0.0)
(t26 0.0)
(t27 0.0)
(t28 0.0)
(t29 0.0)
(t30 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 540/541 variables, and 486 constraints, problems are : Problem set: 0 solved, 349 unsolved in 30068 ms.
Refiners :[Domain max(s): 214/214 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 214/214 constraints, ReadFeed: 48/49 constraints, PredecessorRefiner: 349/349 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 349 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/213 variables, 213/213 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/213 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 2 (OVERLAPS) 1/214 variables, 10/223 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 5 (OVERLAPS) 326/540 variables, 214/438 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 48/486 constraints. Problems are: Problem set: 0 solved, 349 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 349/835 constraints. Problems are: Problem set: 0 solved, 349 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 540/541 variables, and 835 constraints, problems are : Problem set: 0 solved, 349 unsolved in 30051 ms.
Refiners :[Domain max(s): 214/214 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 214/214 constraints, ReadFeed: 48/49 constraints, PredecessorRefiner: 349/349 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60793ms problems are : Problem set: 0 solved, 349 unsolved
Search for dead transitions found 0 dead transitions in 60840ms
Starting structural reductions in LIVENESS mode, iteration 1 : 214/920 places, 350/1057 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 63236 ms. Remains : 214/920 places, 350/1057 transitions.
Discarding 195 transitions out of 350. Remains 155
Initial state reduction rules removed 1 formulas.
[2025-05-31 01:19:19] [INFO ] Flatten gal took : 250 ms
[2025-05-31 01:19:19] [INFO ] Flatten gal took : 94 ms
[2025-05-31 01:19:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4578794863260100128.gal : 68 ms
[2025-05-31 01:19:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10943127899735617484.prop : 9 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/ReachabilityCardinality4578794863260100128.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10943127899735617484.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
RANDOM walk for 40000 steps (2930 resets) in 4681 ms. (8 steps per ms) remains 97/154 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 96/97 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 95/96 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 94/95 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 93/94 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 92/93 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 91/92 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 90/91 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 89/90 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 88/89 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 87/88 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 86/87 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 85/86 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 84/85 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 83/84 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 82/83 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 81/82 properties
Loading property file /tmp/ReachabilityCardinality10943127899735617484.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 80/81 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 79/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 78/79 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 77/78 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 76/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 75/76 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 74/75 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 73/74 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 72/73 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 71/72 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 70/71 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 69/70 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 68/69 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 67/68 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 66/67 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 65/66 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 64/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 63/64 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 62/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 61/62 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 60/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 59/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 58/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 57/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 56/57 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 55/56 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 54/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 53/54 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 52/53 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 51/52 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 50/51 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 49/50 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 48/49 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 47/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 46/47 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 45/46 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 44/45 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 41/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 40/41 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 36/37 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 35/36 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 5 ms. (667 steps per ms) remains 33/34 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 32/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 31/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 6 ms. (572 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
Reachability property qltransition_276 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
Reachability property qltransition_275 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 24/24 properties
Reachability property qltransition_274 is true.
Reachability property qltransition_273 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 24/24 properties
Reachability property qltransition_272 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 24/24 properties
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 24/24 properties
SDD proceeding with computation,146 properties remain. new max is 2
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 24/24 properties
SDD size :1 after 14
[2025-05-31 01:19:20] [INFO ] Flow matrix only has 327 transitions (discarded 23 similar events)
SDD proceeding with computation,146 properties remain. new max is 4
SDD size :14 after 1387
[2025-05-31 01:19:20] [INFO ] Invariant cache hit.
[2025-05-31 01:19:20] [INFO ] State equation strengthened by 49 read => feed constraints.
SDD proceeding with computation,146 properties remain. new max is 8
SDD size :1387 after 2185
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_226 is true.
Reachability property qltransition_225 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_221 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_219 is true.
Reachability property qltransition_214 is true.
Reachability property qltransition_213 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_211 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_210 is true.
Reachability property qltransition_209 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_207 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 188/214 variables, 10/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_202 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 188/224 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_201 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 326/540 variables, 214/438 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_200 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 48/486 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 1/541 variables, 1/487 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_199 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_197 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_195 is true.
At refinement iteration 9 (INCLUDED_ONLY) 0/541 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_190 is true.
At refinement iteration 10 (OVERLAPS) 0/541 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 541/541 variables, and 487 constraints, problems are : Problem set: 0 solved, 24 unsolved in 4865 ms.
Refiners :[Domain max(s): 214/214 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 214/214 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 188/214 variables, 10/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/214 variables, 188/224 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/214 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 326/540 variables, 214/438 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 48/486 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_189 is true.
Reachability property qltransition_188 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 24/510 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Reachability property qltransition_187 is true.
Reachability property qltransition_186 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 540/541 variables, and 510 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5012 ms.
Refiners :[Domain max(s): 214/214 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 214/214 constraints, ReadFeed: 48/49 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9930ms problems are : Problem set: 0 solved, 24 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 out of 214 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 214/214 places, 350/350 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 214 transition count 326
Discarding 49 places :
Symmetric choice reduction at 1 with 49 rule applications. Total rules 73 place count 165 transition count 277
Iterating global reduction 1 with 49 rules applied. Total rules applied 122 place count 165 transition count 277
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 171 place count 165 transition count 228
Free-agglomeration rule applied 64 times.
Iterating global reduction 2 with 64 rules applied. Total rules applied 235 place count 165 transition count 164
Reduce places removed 64 places and 0 transitions.
Iterating post reduction 2 with 64 rules applied. Total rules applied 299 place count 101 transition count 164
Discarding 21 places :
Symmetric choice reduction at 3 with 21 rule applications. Total rules 320 place count 80 transition count 143
Iterating global reduction 3 with 21 rules applied. Total rules applied 341 place count 80 transition count 143
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 3 with 21 rules applied. Total rules applied 362 place count 80 transition count 122
Applied a total of 362 rules in 147 ms. Remains 80 /214 variables (removed 134) and now considering 122/350 (removed 228) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 80/214 places, 122/350 transitions.
RANDOM walk for 126549 steps (2348 resets) in 1638 ms. (77 steps per ms) remains 0/24 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 155 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 76152 ms.

BK_STOP 1748654370775

--------------------
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="FlexibleBarrier-PT-08b"
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 FlexibleBarrier-PT-08b, 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 r091-smll-174860108100277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08b.tgz
mv FlexibleBarrier-PT-08b 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 ;