fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r259-tall-174931345500323
Last Updated
June 24, 2025

About the Execution of ITS-Tools for MedleyB-PT-B12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 705974.00 0.00 0.00 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r259-tall-174931345500323.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 MedleyB-PT-B12, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r259-tall-174931345500323
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 120M
-rw-r--r-- 1 mcc users 8.3K Jun 6 09:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Jun 6 09:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Jun 6 12:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 6 12:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 12K Jun 6 09:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Jun 6 09:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Jun 6 09:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Jun 6 09:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 6 12:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 6 12:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 4 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 119M Jun 5 20:08 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 StableMarking

=== Now, execution of the tool begins

BK_START 1749323480323

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MedleyB-PT-B12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-06-07 19:11:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-07 19:11:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:11:26] [INFO ] Load time of PNML (sax parser for PT used): 4242 ms
[2025-06-07 19:11:26] [INFO ] Transformed 1369 places.
[2025-06-07 19:11:26] [INFO ] Transformed 120590 transitions.
[2025-06-07 19:11:26] [INFO ] Found NUPN structural information;
[2025-06-07 19:11:26] [INFO ] Parsed PT model containing 1369 places and 120590 transitions and 2385506 arcs in 5040 ms.
Graph (trivial) has 1398 edges and 1369 vertex of which 200 / 1369 are part of one of the 30 SCC in 28 ms
Free SCC test removed 170 places
Structural test allowed to assert that 874 places are NOT stable. Took 295 ms.
Ensure Unique test removed 190 transitions
Reduce redundant transitions removed 190 transitions.
RANDOM walk for 40000 steps (234 resets) in 12825 ms. (3 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 27 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 35 ms. (11 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 31 ms. (12 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 29 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 24 ms. (16 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 24 ms. (16 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 22 ms. (17 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 28 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 400 steps (8 resets) in 21 ms. (18 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 30 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 31 ms. (12 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 29 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 30 ms. (12 steps per ms) remains 495/495 properties
BEST_FIRST walk for 401 steps (8 resets) in 21 ms. (18 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 25 ms. (15 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 495/495 properties
BEST_FIRST walk for 401 steps (8 resets) in 27 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 30 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 29 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 27 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 28 ms. (13 steps per ms) remains 495/495 properties
BEST_FIRST walk for 404 steps (8 resets) in 27 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 27 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 402 steps (8 resets) in 26 ms. (14 steps per ms) remains 495/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 25 ms. (15 steps per ms) remains 495/495 properties
Interrupted probabilistic random walk after 12529 steps, run timeout after 12002 ms. (steps per millisecond=1 ) properties seen :85 out of 495
Probabilistic random walk after 12529 steps, saw 6956 distinct states, run finished after 12008 ms. (steps per millisecond=1 ) properties seen :85
[2025-06-07 19:11:44] [INFO ] Flow matrix only has 120371 transitions (discarded 29 similar events)
[2025-06-07 19:11:44] [INFO ] Flatten gal took : 13540 ms
// Phase 1: matrix 120371 rows 1199 cols
[2025-06-07 19:11:47] [INFO ] Computed 11 invariants in 3244 ms
[2025-06-07 19:11:48] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:11:57] [INFO ] Flatten gal took : 12639 ms
[2025-06-07 19:11:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7020887694149542702.gal : 2223 ms
[2025-06-07 19:11:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2607181591081492954.prop : 3 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/ReachabilityCardinality7020887694149542702.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2607181591081492954.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 ...328
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 410/410 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/121570 variables, and 410 constraints, problems are : Problem set: 0 solved, 410 unsolved in 5128 ms.
Refiners :[Domain max(s): 410/1199 constraints, Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1199 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 410/341 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 410 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 410/410 constraints. Problems are: Problem set: 0 solved, 410 unsolved
Error getting values : (error "ParserException while parsing response: ((s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s21 1)
(s48 1)
(s49 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s75 1)
(s87 1)
(s88 1)
(s92 1)
(s93 1)
(s94 1)
(s95 1)
(s96 1)
(s97 1)
(s98 1)
(s99 1)
(s100 1)
(s101 1)
(s102 1)
(s103 1)
(s104 1)
(s105 1)
(s106 1)
(s107 1)
(s109 1)
(s113 1)
(s130 1)
(s131 1)
(s132 1)
(s133 1)
(s134 1)
(s138 1)
(s153 1)
(s165 1)
(s166 1)
(s170 1)
(s171 1)
(s172 1)
(s173 1)
(s174 1)
(s175 1)
(s176 1)
(s177 1)
(s178 1)
(s179 1)
(s180 1)
(s192 1)
(s204 1)
(s205 1)
(s209 1)
(s210 1)
(s211 1)
(s212 1)
(s213 1)
(s214 1)
(s215 1)
(s216 1)
(s217 1)
(s218 1)
(s219 1)
(s220 1)
(s221 1)
(s222 1)
(s223 1)
(s224 1)
(s226 1)
(s230 1)
(s247 1)
(s248 1)
(s249 1)
(s250 1)
(s251 1)
(s255 1)
(s270 1)
(s282 1)
(s283 1)
(s287 1)
(s288 1)
(s289 1)
(s290 1)
(s291 1)
(s292 1)
(s293 1)
(s294 1)
(s295 1)
(s296 1)
(s297 1)
(s309 1)
(s321 1)
(s322 1)
(s326 1)
(s327 1)
(s328 1)
(s329 1)
(s330 1)
(s331 1)
(s332 1)
(s333 1)
(s334 1)
(s335 1)
(s336 1)
(s337 1)
(s338 1)
(s339 1)
(s340 1)
(s341 1)
(s343 1)
(s347 1)
(s364 1)
(s365 1)
(s366 1)
(s367 1)
(s368 1)
(s372 1)
(s387 1)
(s399 1)
(s400 1)
(s404 1)
(s405 1)
(s406 1)
(s407 1)
(s408 1)
(s409 1)
(s410 1)
(s411 1)
(s412 1)
(s413 1)
(s414 1)
(s426 1)
(s438 1)
(s439 1)
(s443 1)
(s444 1)
(s445 1)
(s446 1)
(s447 1)
(s448 1)
(s449 1)
(s450 1)
(s451 1)
(s452 1)
(s453 1)
(s454 1)
(s455 1)
(s456 1)
(s457 1)
(s458 1)
(s460 1)
(s464 1)
(s481 1)
(s482 1)
(s483 1)
(s484 1)
(s485 1)
(s489 1)
(s504 1)
(s516 1)
(s517 1)
(s521 1)
(s522 1)
(s523 1)
(s524 1)
(s525 1)
(s526 1)
(s527 1)
(s528 1)
(s529 1)
(s530 1)
(s531 1)
(s543 1)
(s555 1)
(s556 1)
(s560 1)
(s561 1)
(s562 1)
(s563 1)
(s564 1)
(s565 1)
(s566 1)
(s567 1)
(s568 1)
(s569 1)
(s570 1)
(s571 1)
(s572 1)
(s573 1)
(s574 1)
(s575 1)
(s577 1)
(s581 1)
(s598 1)
(s599 1)
(s600 1)
(s601 1)
(s602 1)
(s606 1)
(s621 1)
(s633 1)
(s634 1)
(s638 1)
(s639 1)
(s640 1)
(s641 1)
(s642 1)
(s643 1)
(s644 1)
(s645 1)
(s646 1)
(s647 1)
(s648 1)
(s660 1)
(s672 1)
(s673 1)
(s677 1)
(s678 1)
(s679 1)
(s680 1)
(s681 1)
(s682 1)
(s683 1)
(s684 1)
(s685 1)
(s686 1)
(s687 1)
(s688 1)
(s689 1)
(s690 1)
(s691 1)
(s692 1)
(s694 1)
(s698 1)
(s715 1)
(s716 1)
(s717 1)
(s718 1)
(s719 1)
(s723 1)
(s738 1)
(s750 1)
(s751 1)
(s755 1)
(s756 1)
(s757 1)
(s758 1)
(s759 1)
(s760 1)
(s761 1)
(s762 1)
(s763 1)
(s764 1)
(s765 1)
(s777 1)
(s789 1)
(s790 1)
(s794 1)
(s795 1)
(s796 1)
(s797 1)
(s798 1)
(s799 1)
(s800 1)
(s801 1)
(s802 1)
(s803 1)
(s804 1)
(s805 1)
(s806 1)
(s807 1)
(s808 1)
(s809 1)
(s811 1)
(s815 1)
(s832 1)
(s833 1)
(s834 1)
(s835 1)
(s836 1)
(s840 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/121570 variables, and 410 constraints, problems are : Problem set: 0 solved, 410 unsolved in 5028 ms.
Refiners :[Domain max(s): 410/1199 constraints, Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1199 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 69/341 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22759ms problems are : Problem set: 0 solved, 410 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 410 out of 1199 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1199/1199 places, 120400/120400 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 591 transitions
Trivial Post-agglo rules discarded 591 transitions
Performed 591 trivial Post agglomeration. Transition count delta: 591
Iterating post reduction 0 with 621 rules applied. Total rules applied 621 place count 1199 transition count 119779
Reduce places removed 591 places and 0 transitions.
Iterating post reduction 1 with 591 rules applied. Total rules applied 1212 place count 608 transition count 119779
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 1212 place count 608 transition count 119759
Deduced a syphon composed of 20 places in 128 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 1252 place count 588 transition count 119759
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 1255 place count 585 transition count 119756
Iterating global reduction 2 with 3 rules applied. Total rules applied 1258 place count 585 transition count 119756
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 78 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 1302 place count 563 transition count 119734
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 23 places in 111 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 1348 place count 540 transition count 119752
ITS-tools command line returned an error code 137
Free-agglomeration rule applied 78 times.
Iterating global reduction 2 with 78 rules applied. Total rules applied 1426 place count 540 transition count 119674
Reduce places removed 78 places and 0 transitions.
Iterating post reduction 2 with 78 rules applied. Total rules applied 1504 place count 462 transition count 119674
Applied a total of 1504 rules in 203510 ms. Remains 462 /1199 variables (removed 737) and now considering 119674/120400 (removed 726) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203577 ms. Remains : 462/1199 places, 119674/120400 transitions.
[2025-06-07 19:15:33] [INFO ] Flatten gal took : 15251 ms
[2025-06-07 19:15:33] [INFO ] Applying decomposition
[2025-06-07 19:15:49] [INFO ] Flatten gal took : 15825 ms
RANDOM walk for 765 steps (0 resets) in 123810 ms. (0 steps per ms) remains 179/410 properties
BEST_FIRST walk for 40004 steps (0 resets) in 25905 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18373 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17733 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17942 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 20500 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 19521 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 20978 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17667 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17567 ms. (2 steps per ms) remains 179/179 properties
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5583933995240283784.txt' '-o' '/tmp/graph5583933995240283784.bin' '-w' '/tmp/graph5583933995240283784.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5583933995240283784.bin' '-l' '-1' '-v' '-w' '/tmp/graph5583933995240283784.weights' '-q' '0' '-e' '0.001'
[2025-06-07 19:16:48] [INFO ] Decomposing Gal with order
[2025-06-07 19:16:48] [INFO ] Rewriting arrays to variables to allow decomposition.
BEST_FIRST walk for 40004 steps (0 resets) in 19232 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18328 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18591 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18681 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18475 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18612 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 20784 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 23065 ms. (1 steps per ms) remains 179/179 properties
[2025-06-07 19:17:32] [INFO ] Removed a total of 1191381 redundant transitions.
BEST_FIRST walk for 40004 steps (0 resets) in 21017 ms. (1 steps per ms) remains 179/179 properties
[2025-06-07 19:17:36] [INFO ] Flatten gal took : 33279 ms
BEST_FIRST walk for 40004 steps (0 resets) in 20973 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 25111 ms. (1 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 18454 ms. (2 steps per ms) remains 179/179 properties
[2025-06-07 19:17:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 28 labels/synchronizations in 10087 ms.
[2025-06-07 19:17:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11555483992687313962.gal : 897 ms
[2025-06-07 19:17:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7182532670533491471.prop : 1 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/ReachabilityCardinality11555483992687313962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7182532670533491471.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
BEST_FIRST walk for 40004 steps (0 resets) in 17570 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17198 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17022 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17133 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17599 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17176 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17103 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17316 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17356 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17112 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17523 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17160 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17363 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17406 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17269 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17102 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17455 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17348 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17234 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17328 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17421 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17270 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17188 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17663 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17153 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17296 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17274 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17177 ms. (2 steps per ms) remains 179/179 properties
BEST_FIRST walk for 40004 steps (0 resets) in 17597 ms. (2 steps per ms) remains 179/179 properties
[2025-06-07 19:20:01] [INFO ] Flow matrix only has 119673 transitions (discarded 1 similar events)
// Phase 1: matrix 119673 rows 462 cols
[2025-06-07 19:20:03] [INFO ] Computed 11 invariants in 1776 ms
[2025-06-07 19:20:10] [INFO ] State equation strengthened by 19742 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (OVERLAPS) 280/459 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/459 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (OVERLAPS) 3/462 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Loading property file /tmp/ReachabilityCardinality7182532670533491471.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 120135/120135 variables, and 473 constraints, problems are : Problem set: 0 solved, 179 unsolved in 45084 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 462/462 constraints, ReadFeed: 0/19742 constraints, PredecessorRefiner: 179/158 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (OVERLAPS) 280/459 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 179 unsolved
SDD proceeding with computation,179 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,179 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,179 properties remain. new max is 16
SDD size :1 after 194
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:22:50] [INFO ] Deduced a trap composed of 47 places in 94283 ms of which 12016 ms to minimize.
SMT process timed out in 169523ms, After SMT, problems are : Problem set: 0 solved, 179 unsolved
Fused 179 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 179 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 119674/119674 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 149 transitions
Trivial Post-agglo rules discarded 149 transitions
Performed 149 trivial Post agglomeration. Transition count delta: 149
Iterating post reduction 0 with 149 rules applied. Total rules applied 149 place count 462 transition count 119525
Reduce places removed 149 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 167 rules applied. Total rules applied 316 place count 313 transition count 119507
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 325 place count 304 transition count 119507
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 325 place count 304 transition count 119502
Deduced a syphon composed of 5 places in 39 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 335 place count 299 transition count 119502
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 391 place count 243 transition count 119446
Iterating global reduction 3 with 56 rules applied. Total rules applied 447 place count 243 transition count 119446
Ensure Unique test removed 114771 transitions
Reduce isomorphic transitions removed 114771 transitions.
Iterating post reduction 3 with 114771 rules applied. Total rules applied 115218 place count 243 transition count 4675
Performed 11 Post agglomeration using F-continuation condition with reduction of 776 identical transitions.
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 115240 place count 232 transition count 3888
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 4 with 53 rules applied. Total rules applied 115293 place count 232 transition count 3835
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 115297 place count 228 transition count 3831
Iterating global reduction 5 with 4 rules applied. Total rules applied 115301 place count 228 transition count 3831
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 115309 place count 224 transition count 3827
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 115313 place count 224 transition count 3823
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 115317 place count 220 transition count 3819
Iterating global reduction 6 with 4 rules applied. Total rules applied 115321 place count 220 transition count 3819
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 6 with 15 rules applied. Total rules applied 115336 place count 220 transition count 3804
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 7 with 15 rules applied. Total rules applied 115351 place count 220 transition count 3789
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 115363 place count 214 transition count 3783
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 7 with 7 rules applied. Total rules applied 115370 place count 214 transition count 3776
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 115371 place count 213 transition count 3775
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 115372 place count 212 transition count 3775
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 115372 place count 212 transition count 3774
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 115374 place count 211 transition count 3774
Performed 9 Post agglomeration using F-continuation condition with reduction of 1953 identical transitions.
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 8 with 18 rules applied. Total rules applied 115392 place count 202 transition count 1812
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 453 transitions
Reduce isomorphic transitions removed 462 transitions.
Iterating post reduction 8 with 462 rules applied. Total rules applied 115854 place count 202 transition count 1350
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 64 transitions
Redundant transition composition rules discarded 64 transitions
Iterating global reduction 9 with 64 rules applied. Total rules applied 115918 place count 202 transition count 1286
Free-agglomeration rule applied 6 times.
Iterating global reduction 9 with 6 rules applied. Total rules applied 115924 place count 202 transition count 1280
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 115930 place count 196 transition count 1280
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 10 with 6 rules applied. Total rules applied 115936 place count 196 transition count 1274
Applied a total of 115936 rules in 13801 ms. Remains 196 /462 variables (removed 266) and now considering 1274/119674 (removed 118400) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13801 ms. Remains : 196/462 places, 1274/119674 transitions.
RANDOM walk for 119437 steps (2357 resets) in 2480 ms. (48 steps per ms) remains 0/179 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 497 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 704070 ms.

BK_STOP 1749324186297

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -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="MedleyB-PT-B12"
export BK_EXAMINATION="StableMarking"
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 MedleyB-PT-B12, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r259-tall-174931345500323"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B12.tgz
mv MedleyB-PT-B12 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;