Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r189-tall-171640617000047.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is FlexibleBarrier-PT-12b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-171640617000047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 964K
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 08:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Apr 13 08:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 13 08:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 13 08:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 536K May 18 16:42 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 1716472428077

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-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-23 13:53:49] [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]
[2024-05-23 13:53:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 13:53:49] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2024-05-23 13:53:49] [INFO ] Transformed 1988 places.
[2024-05-23 13:53:49] [INFO ] Transformed 2289 transitions.
[2024-05-23 13:53:49] [INFO ] Found NUPN structural information;
[2024-05-23 13:53:49] [INFO ] Parsed PT model containing 1988 places and 2289 transitions and 5727 arcs in 252 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1988/1988 places, 2289/2289 transitions.
Graph (trivial) has 1950 edges and 1988 vertex of which 74 / 1988 are part of one of the 12 SCC in 10 ms
Free SCC test removed 62 places
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 501 transitions
Trivial Post-agglo rules discarded 501 transitions
Performed 501 trivial Post agglomeration. Transition count delta: 501
Iterating post reduction 0 with 501 rules applied. Total rules applied 502 place count 1926 transition count 1725
Reduce places removed 501 places and 0 transitions.
Iterating post reduction 1 with 501 rules applied. Total rules applied 1003 place count 1425 transition count 1725
Performed 132 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 132 Pre rules applied. Total rules applied 1003 place count 1425 transition count 1593
Deduced a syphon composed of 132 places in 9 ms
Reduce places removed 132 places and 0 transitions.
Iterating global reduction 2 with 264 rules applied. Total rules applied 1267 place count 1293 transition count 1593
Performed 831 Post agglomeration using F-continuation condition.Transition count delta: 831
Deduced a syphon composed of 831 places in 1 ms
Reduce places removed 831 places and 0 transitions.
Iterating global reduction 2 with 1662 rules applied. Total rules applied 2929 place count 462 transition count 762
Applied a total of 2929 rules in 331 ms. Remains 462 /1988 variables (removed 1526) and now considering 762/2289 (removed 1527) transitions.
[2024-05-23 13:53:49] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
// Phase 1: matrix 727 rows 462 cols
[2024-05-23 13:53:49] [INFO ] Computed 14 invariants in 38 ms
[2024-05-23 13:53:50] [INFO ] Implicit Places using invariants in 573 ms returned []
[2024-05-23 13:53:50] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-23 13:53:50] [INFO ] Invariant cache hit.
[2024-05-23 13:53:50] [INFO ] State equation strengthened by 73 read => feed constraints.
[2024-05-23 13:53:51] [INFO ] Implicit Places using invariants and state equation in 847 ms returned []
Implicit Place search using SMT with State Equation took 1451 ms to find 0 implicit places.
Running 761 sub problems to find dead transitions.
[2024-05-23 13:53:51] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-23 13:53:51] [INFO ] Invariant cache hit.
[2024-05-23 13:53:51] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 461/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 2 (OVERLAPS) 1/462 variables, 14/475 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 0 solved, 761 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 0 solved, 761 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1188/1189 variables, and 1010 constraints, problems are : Problem set: 0 solved, 761 unsolved in 30046 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 761/761 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 761 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 461/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 2 (OVERLAPS) 1/462 variables, 14/475 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1188 variables, 761/1771 constraints. Problems are: Problem set: 0 solved, 761 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/1189 variables, and 1771 constraints, problems are : Problem set: 0 solved, 761 unsolved in 30025 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 761/761 constraints, Known Traps: 0/0 constraints]
After SMT, in 61488ms problems are : Problem set: 0 solved, 761 unsolved
Search for dead transitions found 0 dead transitions in 61518ms
Starting structural reductions in LIVENESS mode, iteration 1 : 462/1988 places, 762/2289 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 63333 ms. Remains : 462/1988 places, 762/2289 transitions.
Discarding 435 transitions out of 762. Remains 327
Initial state reduction rules removed 1 formulas.
[2024-05-23 13:54:53] [INFO ] Flatten gal took : 191 ms
[2024-05-23 13:54:53] [INFO ] Flatten gal took : 144 ms
[2024-05-23 13:54:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3396512383023382962.gal : 41 ms
[2024-05-23 13:54:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6011189103074494309.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3396512383023382962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6011189103074494309.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6011189103074494309.prop.
Reachability property qltransition_652 is true.
Reachability property qltransition_651 is true.
Reachability property qltransition_650 is true.
Reachability property qltransition_649 is true.
Reachability property qltransition_648 is true.
Reachability property qltransition_647 is true.
Reachability property qltransition_646 is true.
Reachability property qltransition_645 is true.
Reachability property qltransition_644 is true.
Reachability property qltransition_643 is true.
Reachability property qltransition_642 is true.
Reachability property qltransition_641 is true.
SDD proceeding with computation,314 properties remain. new max is 2
SDD size :1 after 18
SDD proceeding with computation,314 properties remain. new max is 4
SDD size :18 after 290
SDD proceeding with computation,314 properties remain. new max is 8
SDD size :290 after 5441
SDD proceeding with computation,314 properties remain. new max is 16
SDD size :5441 after 125401
RANDOM walk for 40000 steps (2276 resets) in 5914 ms. (6 steps per ms) remains 270/326 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 270/270 properties
BEST_FIRST walk for 404 steps (0 resets) in 36 ms. (10 steps per ms) remains 270/270 properties
[2024-05-23 13:54:54] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-23 13:54:54] [INFO ] Invariant cache hit.
[2024-05-23 13:54:54] [INFO ] State equation strengthened by 73 read => feed constraints.
SDD proceeding with computation,314 properties remain. new max is 32
SDD size :125401 after 4.98326e+07
Reachability property qltransition_530 is true.
Reachability property qltransition_529 is true.
Reachability property qltransition_528 is true.
Reachability property qltransition_527 is true.
Reachability property qltransition_526 is true.
Reachability property qltransition_525 is true.
Reachability property qltransition_524 is true.
Reachability property qltransition_523 is true.
Reachability property qltransition_522 is true.
Reachability property qltransition_521 is true.
Reachability property qltransition_520 is true.
Reachability property qltransition_519 is true.
Reachability property qltransition_510 is true.
Reachability property qltransition_509 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/404 variables, 404/404 constraints. Problems are: Problem set: 0 solved, 270 unsolved
Reachability property qltransition_508 is true.
Reachability property qltransition_507 is true.
Reachability property qltransition_506 is true.
Reachability property qltransition_505 is true.
Reachability property qltransition_504 is true.
Reachability property qltransition_503 is true.
Reachability property qltransition_502 is true.
Reachability property qltransition_501 is true.
Reachability property qltransition_500 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/404 variables, 0/404 constraints. Problems are: Problem set: 21 solved, 249 unsolved
Reachability property qltransition_499 is true.
At refinement iteration 2 (OVERLAPS) 58/462 variables, 14/418 constraints. Problems are: Problem set: 22 solved, 248 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 58/476 constraints. Problems are: Problem set: 22 solved, 248 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 462/1189 variables, and 476 constraints, problems are : Problem set: 22 solved, 248 unsolved in 5010 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/462 constraints, ReadFeed: 0/73 constraints, PredecessorRefiner: 270/270 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 22 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/370 variables, 370/370 constraints. Problems are: Problem set: 22 solved, 248 unsolved
Reachability property qltransition_490 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/370 variables, 0/370 constraints. Problems are: Problem set: 23 solved, 247 unsolved
At refinement iteration 2 (OVERLAPS) 92/462 variables, 14/384 constraints. Problems are: Problem set: 23 solved, 247 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 92/476 constraints. Problems are: Problem set: 23 solved, 247 unsolved
Reachability property qltransition_489 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 24 solved, 246 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 24 solved, 246 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 24 solved, 246 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1188 variables, 246/1256 constraints. Problems are: Problem set: 24 solved, 246 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/1189 variables, and 1256 constraints, problems are : Problem set: 24 solved, 246 unsolved in 5023 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 246/270 constraints, Known Traps: 0/0 constraints]
After SMT, in 10285ms problems are : Problem set: 24 solved, 246 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 367 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 762/762 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 462 transition count 726
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 49 place count 449 transition count 713
Iterating global reduction 1 with 13 rules applied. Total rules applied 62 place count 449 transition count 713
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 75 place count 449 transition count 700
Free-agglomeration rule applied 31 times.
Iterating global reduction 2 with 31 rules applied. Total rules applied 106 place count 449 transition count 669
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 2 with 31 rules applied. Total rules applied 137 place count 418 transition count 669
Applied a total of 137 rules in 128 ms. Remains 418 /462 variables (removed 44) and now considering 669/762 (removed 93) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 418/462 places, 669/762 transitions.
RANDOM walk for 3981015 steps (246699 resets) in 112471 ms. (35 steps per ms) remains 27/246 properties
BEST_FIRST walk for 400004 steps (124 resets) in 699 ms. (571 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400004 steps (124 resets) in 337 ms. (1183 steps per ms) remains 25/27 properties
BEST_FIRST walk for 400003 steps (207 resets) in 313 ms. (1273 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (203 resets) in 257 ms. (1550 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 257 ms. (1550 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (204 resets) in 284 ms. (1403 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 270 ms. (1476 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (209 resets) in 271 ms. (1470 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (207 resets) in 279 ms. (1428 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 256 ms. (1556 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (202 resets) in 232 ms. (1716 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 288 ms. (1384 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (206 resets) in 296 ms. (1346 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 244 ms. (1632 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (208 resets) in 282 ms. (1413 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 269 ms. (1481 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (206 resets) in 283 ms. (1408 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (208 resets) in 235 ms. (1694 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (206 resets) in 311 ms. (1282 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (207 resets) in 247 ms. (1612 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (205 resets) in 266 ms. (1498 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (207 resets) in 267 ms. (1492 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (203 resets) in 277 ms. (1438 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (204 resets) in 266 ms. (1498 steps per ms) remains 25/25 properties
BEST_FIRST walk for 400004 steps (207 resets) in 266 ms. (1498 steps per ms) remains 25/25 properties
// Phase 1: matrix 669 rows 418 cols
[2024-05-23 13:55:37] [INFO ] Computed 14 invariants in 8 ms
[2024-05-23 13:55:37] [INFO ] State equation strengthened by 91 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 391/418 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/418 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 669/1087 variables, 418/432 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1087 variables, 91/523 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1087 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 25 unsolved
Reachability property qltransition_488 is true.
At refinement iteration 6 (OVERLAPS) 0/1087 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1087/1087 variables, and 523 constraints, problems are : Problem set: 0 solved, 25 unsolved in 2092 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 418/418 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 391/418 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/418 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 669/1087 variables, 418/432 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1087 variables, 91/523 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1087 variables, 25/548 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1087 variables, 0/548 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (OVERLAPS) 0/1087 variables, 0/548 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1087/1087 variables, and 548 constraints, problems are : Problem set: 0 solved, 25 unsolved in 3282 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 418/418 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints]
After SMT, in 5423ms problems are : Problem set: 0 solved, 25 unsolved
Fused 25 Parikh solutions to 24 different solutions.
Parikh walk visited 0 properties in 6418 ms.
Support contains 27 out of 418 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 418/418 places, 669/669 transitions.
Discarding 102 places :
Symmetric choice reduction at 0 with 102 rule applications. Total rules 102 place count 316 transition count 567
Iterating global reduction 0 with 102 rules applied. Total rules applied 204 place count 316 transition count 567
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Iterating post reduction 0 with 102 rules applied. Total rules applied 306 place count 316 transition count 465
Free-agglomeration rule applied 119 times with reduction of 4 identical transitions.
Iterating global reduction 1 with 119 rules applied. Total rules applied 425 place count 316 transition count 342
Reduce places removed 119 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 546 place count 197 transition count 340
Discarding 55 places :
Symmetric choice reduction at 2 with 55 rule applications. Total rules 601 place count 142 transition count 285
Iterating global reduction 2 with 55 rules applied. Total rules applied 656 place count 142 transition count 285
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 2 with 55 rules applied. Total rules applied 711 place count 142 transition count 230
Applied a total of 711 rules in 78 ms. Remains 142 /418 variables (removed 276) and now considering 230/669 (removed 439) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 142/418 places, 230/669 transitions.
RANDOM walk for 265465 steps (3362 resets) in 3752 ms. (70 steps per ms) remains 0/25 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 327 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 121905 ms.

BK_STOP 1716472551129

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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-12b"
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 2-5568"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-12b, 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 r189-tall-171640617000047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12b.tgz
mv FlexibleBarrier-PT-12b 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;