fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r231-smll-174903497500188
Last Updated
June 24, 2025

About the Execution of ITS-Tools for StigmergyElection-PT-10b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 1022051.00 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.r231-smll-174903497500188.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 StigmergyElection-PT-10b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r231-smll-174903497500188
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 125M
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K 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 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 124M May 29 14:33 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 1749083414486

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=StigmergyElection-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-06-05 00:30:16] [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]
[2025-06-05 00:30:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 00:30:22] [INFO ] Load time of PNML (sax parser for PT used): 6038 ms
[2025-06-05 00:30:22] [INFO ] Transformed 1379 places.
[2025-06-05 00:30:23] [INFO ] Transformed 120600 transitions.
[2025-06-05 00:30:23] [INFO ] Found NUPN structural information;
[2025-06-05 00:30:23] [INFO ] Parsed PT model containing 1379 places and 120600 transitions and 2385526 arcs in 6903 ms.
Graph (trivial) has 1408 edges and 1379 vertex of which 210 / 1379 are part of one of the 30 SCC in 30 ms
Free SCC test removed 180 places
Structural test allowed to assert that 884 places are NOT stable. Took 364 ms.
Ensure Unique test removed 200 transitions
Reduce redundant transitions removed 200 transitions.
RANDOM walk for 40000 steps (234 resets) in 17791 ms. (2 steps per ms) remains 492/495 properties
BEST_FIRST walk for 403 steps (8 resets) in 40 ms. (9 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 73 ms. (5 steps per ms) remains 492/492 properties
BEST_FIRST walk for 402 steps (8 resets) in 58 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 91 ms. (4 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 64 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 718 ms. (0 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 42 ms. (9 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 27 ms. (14 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 35 ms. (11 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 57 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 55 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 402 steps (8 resets) in 56 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 46 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 51 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 39 ms. (10 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 72 ms. (5 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 42 ms. (9 steps per ms) remains 492/492 properties
BEST_FIRST walk for 402 steps (8 resets) in 74 ms. (5 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 46 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 81 ms. (4 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 46 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 46 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 50 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 53 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 52 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 47 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 62 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 47 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 40 ms. (9 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 56 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 50 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 48 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 402 steps (8 resets) in 55 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 51 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 68 ms. (5 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 56 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 49 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 50 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 60 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 402 steps (8 resets) in 52 ms. (7 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 39 ms. (10 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 47 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 47 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 39 ms. (10 steps per ms) remains 492/492 properties
BEST_FIRST walk for 404 steps (8 resets) in 47 ms. (8 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 66 ms. (6 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 40 ms. (9 steps per ms) remains 492/492 properties
BEST_FIRST walk for 403 steps (8 resets) in 45 ms. (8 steps per ms) remains 492/492 properties
[2025-06-05 00:30:48] [INFO ] Flatten gal took : 17693 ms
Interrupted probabilistic random walk after 18823 steps, run timeout after 18002 ms. (steps per millisecond=1 ) properties seen :83 out of 492
Probabilistic random walk after 18823 steps, saw 9159 distinct states, run finished after 18010 ms. (steps per millisecond=1 ) properties seen :83
[2025-06-05 00:30:50] [INFO ] Flow matrix only has 120371 transitions (discarded 29 similar events)
// Phase 1: matrix 120371 rows 1199 cols
[2025-06-05 00:30:55] [INFO ] Computed 11 invariants in 5668 ms
[2025-06-05 00:30:57] [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.
[2025-06-05 00:31:02] [INFO ] Flatten gal took : 14442 ms
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.
[2025-06-05 00:31:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5182628038515534392.gal : 2359 ms
[2025-06-05 00:31:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17012519024862625851.prop : 5 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/ReachabilityCardinality5182628038515534392.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17012519024862625851.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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Error getting values : (error "ParserException while parsing response: ((s13 (/ 1.0 2.0))
(s14 (/ 1.0 2.0))
(s15 (/ 1.0 2.0))
(s16 (/ 1.0 2.0))
(s17 (/ 1.0 2.0))
(s21 (/ 1.0 2.0))
(s48 (/ 1.0 2.0))
(s49 (/ 1.0 2.0))
(s53 (/ 1.0 2.0))
(s54 (/ 1.0 2.0))
(s55 (/ 1.0 2.0))
(s56 (/ 1.0 2.0))timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/409 variables, 409/409 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 409/121570 variables, and 409 constraints, problems are : Problem set: 0 solved, 409 unsolved in 5190 ms.
Refiners :[Domain max(s): 409/1199 constraints, Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1199 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 409/340 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/409 variables, 409/409 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 409/121570 variables, and 409 constraints, problems are : Problem set: 0 solved, 409 unsolved in 5090 ms.
Refiners :[Domain max(s): 409/1199 constraints, Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1199 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 69/340 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25381ms problems are : Problem set: 0 solved, 409 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 409 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 312 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 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 50 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 1304 place count 562 transition count 119733
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 23 places in 152 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 1350 place count 539 transition count 119751
ITS-tools command line returned an error code 137
[2025-06-05 00:34:05] [INFO ] Flatten gal took : 21981 ms
[2025-06-05 00:34:05] [INFO ] Applying decomposition
[2025-06-05 00:34:19] [INFO ] Flatten gal took : 13820 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5441922909586616854.txt' '-o' '/tmp/graph5441922909586616854.bin' '-w' '/tmp/graph5441922909586616854.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5441922909586616854.bin' '-l' '-1' '-v' '-w' '/tmp/graph5441922909586616854.weights' '-q' '0' '-e' '0.001'
[2025-06-05 00:35:31] [INFO ] Decomposing Gal with order
[2025-06-05 00:35:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 00:36:25] [INFO ] Removed a total of 1191381 redundant transitions.
[2025-06-05 00:36:28] [INFO ] Flatten gal took : 34254 ms
[2025-06-05 00:36:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 22 labels/synchronizations in 8489 ms.
[2025-06-05 00:36:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4492083381138262512.gal : 917 ms
[2025-06-05 00:36:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17172388317408738795.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/ReachabilityCardinality4492083381138262512.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17172388317408738795.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
Free-agglomeration rule applied 78 times.
Iterating global reduction 2 with 78 rules applied. Total rules applied 1428 place count 539 transition count 119673
Reduce places removed 78 places and 0 transitions.
Iterating post reduction 2 with 78 rules applied. Total rules applied 1506 place count 461 transition count 119673
Applied a total of 1506 rules in 360232 ms. Remains 461 /1199 variables (removed 738) and now considering 119673/120400 (removed 727) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 360329 ms. Remains : 461/1199 places, 119673/120400 transitions.
RANDOM walk for 421 steps (0 resets) in 133088 ms. (0 steps per ms) remains 237/409 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37403 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37345 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 39451 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34912 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 38468 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 39738 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 40061 ms. (0 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 36425 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35939 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35256 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34916 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35405 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35167 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35275 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35293 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35301 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35562 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34163 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35114 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 38684 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35148 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 41655 ms. (0 steps per ms) remains 237/237 properties
Loading property file /tmp/ReachabilityCardinality17172388317408738795.prop.
BEST_FIRST walk for 40004 steps (0 resets) in 37953 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 40025 ms. (0 steps per ms) remains 237/237 properties
SDD proceeding with computation,409 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,409 properties remain. new max is 8
SDD size :1 after 3
SDD proceeding with computation,409 properties remain. new max is 16
SDD size :3 after 15
Invariant property smplace_932 does not hold.
Invariant property smplace_698 does not hold.
SDD proceeding with computation,407 properties remain. new max is 16
SDD size :15 after 1.47912e+07
BEST_FIRST walk for 40004 steps (0 resets) in 39429 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 38661 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37146 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 39360 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35855 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37755 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34644 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34098 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37575 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 38207 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 33654 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 36510 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 39739 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 35019 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 40610 ms. (0 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 38413 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34972 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 34841 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 33188 ms. (1 steps per ms) remains 237/237 properties
Invariant property smplace_1162 does not hold.
Invariant property smplace_1160 does not hold.
Invariant property smplace_1159 does not hold.
Invariant property smplace_1158 does not hold.
Invariant property smplace_1157 does not hold.
Invariant property smplace_1156 does not hold.
Invariant property smplace_1155 does not hold.
Invariant property smplace_1154 does not hold.
Invariant property smplace_1153 does not hold.
Invariant property smplace_1152 does not hold.
Invariant property smplace_1151 does not hold.
Invariant property smplace_1150 does not hold.
Invariant property smplace_1149 does not hold.
Invariant property smplace_1148 does not hold.
Invariant property smplace_1147 does not hold.
Invariant property smplace_1146 does not hold.
Invariant property smplace_1145 does not hold.
Invariant property smplace_1049 does not hold.
Invariant property smplace_1045 does not hold.
Invariant property smplace_1043 does not hold.
Invariant property smplace_1042 does not hold.
Invariant property smplace_1041 does not hold.
Invariant property smplace_1040 does not hold.
Invariant property smplace_1039 does not hold.
Invariant property smplace_1038 does not hold.
Invariant property smplace_1037 does not hold.
Invariant property smplace_1036 does not hold.
Invariant property smplace_1035 does not hold.
Invariant property smplace_1034 does not hold.
Invariant property smplace_1033 does not hold.
Invariant property smplace_1032 does not hold.
Invariant property smplace_1031 does not hold.
Invariant property smplace_1030 does not hold.
Invariant property smplace_1029 does not hold.
Invariant property smplace_1028 does not hold.
Invariant property smplace_928 does not hold.
Invariant property smplace_926 does not hold.
Invariant property smplace_925 does not hold.
Invariant property smplace_924 does not hold.
Invariant property smplace_923 does not hold.
Invariant property smplace_922 does not hold.
Invariant property smplace_921 does not hold.
Invariant property smplace_920 does not hold.
Invariant property smplace_919 does not hold.
BEST_FIRST walk for 40004 steps (0 resets) in 35065 ms. (1 steps per ms) remains 237/237 properties
Invariant property smplace_918 does not hold.
Invariant property smplace_917 does not hold.
Invariant property smplace_916 does not hold.
Invariant property smplace_915 does not hold.
Invariant property smplace_914 does not hold.
Invariant property smplace_913 does not hold.
Invariant property smplace_912 does not hold.
Invariant property smplace_911 does not hold.
Invariant property smplace_811 does not hold.
Invariant property smplace_809 does not hold.
Invariant property smplace_808 does not hold.
Invariant property smplace_807 does not hold.
Invariant property smplace_806 does not hold.
Invariant property smplace_805 does not hold.
Invariant property smplace_804 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_802 does not hold.
Invariant property smplace_801 does not hold.
Invariant property smplace_800 does not hold.
Invariant property smplace_799 does not hold.
Invariant property smplace_798 does not hold.
Invariant property smplace_797 does not hold.
Invariant property smplace_796 does not hold.
Invariant property smplace_795 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_694 does not hold.
Invariant property smplace_692 does not hold.
Invariant property smplace_691 does not hold.
Invariant property smplace_690 does not hold.
Invariant property smplace_689 does not hold.
Invariant property smplace_688 does not hold.
Invariant property smplace_687 does not hold.
Invariant property smplace_686 does not hold.
Invariant property smplace_685 does not hold.
Invariant property smplace_684 does not hold.
Invariant property smplace_683 does not hold.
Invariant property smplace_682 does not hold.
Invariant property smplace_681 does not hold.
Invariant property smplace_680 does not hold.
Invariant property smplace_679 does not hold.
Invariant property smplace_678 does not hold.
Invariant property smplace_677 does not hold.
Invariant property smplace_581 does not hold.
Invariant property smplace_577 does not hold.
Invariant property smplace_575 does not hold.
Invariant property smplace_574 does not hold.
Invariant property smplace_573 does not hold.
Invariant property smplace_572 does not hold.
Invariant property smplace_571 does not hold.
Invariant property smplace_570 does not hold.
Invariant property smplace_569 does not hold.
Invariant property smplace_568 does not hold.
Invariant property smplace_567 does not hold.
Invariant property smplace_566 does not hold.
Invariant property smplace_565 does not hold.
BEST_FIRST walk for 40004 steps (0 resets) in 36481 ms. (1 steps per ms) remains 237/237 properties
Invariant property smplace_564 does not hold.
Invariant property smplace_563 does not hold.
Invariant property smplace_562 does not hold.
Invariant property smplace_561 does not hold.
Invariant property smplace_560 does not hold.
Invariant property smplace_464 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_458 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_456 does not hold.
Invariant property smplace_455 does not hold.
Invariant property smplace_454 does not hold.
Invariant property smplace_453 does not hold.
Invariant property smplace_452 does not hold.
Invariant property smplace_451 does not hold.
Invariant property smplace_450 does not hold.
Invariant property smplace_449 does not hold.
Invariant property smplace_448 does not hold.
Invariant property smplace_447 does not hold.
Invariant property smplace_446 does not hold.
Invariant property smplace_445 does not hold.
Invariant property smplace_444 does not hold.
Invariant property smplace_443 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_343 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_336 does not hold.
Invariant property smplace_335 does not hold.
Invariant property smplace_334 does not hold.
Invariant property smplace_333 does not hold.
Invariant property smplace_332 does not hold.
Invariant property smplace_331 does not hold.
Invariant property smplace_330 does not hold.
Invariant property smplace_329 does not hold.
Invariant property smplace_328 does not hold.
Invariant property smplace_327 does not hold.
Invariant property smplace_326 does not hold.
BEST_FIRST walk for 40004 steps (0 resets) in 35442 ms. (1 steps per ms) remains 237/237 properties
Invariant property smplace_230 does not hold.
Invariant property smplace_226 does not hold.
Invariant property smplace_224 does not hold.
Invariant property smplace_223 does not hold.
Invariant property smplace_222 does not hold.
Invariant property smplace_221 does not hold.
Invariant property smplace_220 does not hold.
Invariant property smplace_219 does not hold.
Invariant property smplace_218 does not hold.
Invariant property smplace_217 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_214 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_211 does not hold.
Invariant property smplace_210 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_109 does not hold.
Invariant property smplace_107 does not hold.
Invariant property smplace_106 does not hold.
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
Invariant property smplace_103 does not hold.
Invariant property smplace_102 does not hold.
Invariant property smplace_101 does not hold.
Invariant property smplace_100 does not hold.
Invariant property smplace_99 does not hold.
Invariant property smplace_98 does not hold.
Invariant property smplace_97 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 does not hold.
Invariant property smplace_92 does not hold.
BEST_FIRST walk for 40004 steps (0 resets) in 35393 ms. (1 steps per ms) remains 237/237 properties
SDD proceeding with computation,231 properties remain. new max is 16
SDD size :1.47912e+07 after 1.0313e+19
BEST_FIRST walk for 40004 steps (0 resets) in 36302 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 37204 ms. (1 steps per ms) remains 237/237 properties
BEST_FIRST walk for 40004 steps (0 resets) in 36178 ms. (1 steps per ms) remains 237/237 properties
[2025-06-05 00:45:45] [INFO ] Flow matrix only has 119671 transitions (discarded 2 similar events)
// Phase 1: matrix 119671 rows 461 cols
[2025-06-05 00:45:47] [INFO ] Computed 11 invariants in 2024 ms
[2025-06-05 00:46:01] [INFO ] State equation strengthened by 19741 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.
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) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 1 (OVERLAPS) 391/458 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/458 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 3 (OVERLAPS) 3/461 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 67 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/461 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 67 unsolved
Detected timeout of ITS tools.
SMT process timed out in 64524ms, After SMT, problems are : Problem set: 0 solved, 67 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 67 out of 461 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 461/461 places, 119673/119673 transitions.
Graph (complete) has 1377 edges and 461 vertex of which 441 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.465 ms
Discarding 20 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 206 transitions
Trivial Post-agglo rules discarded 206 transitions
Performed 206 trivial Post agglomeration. Transition count delta: 206
Iterating post reduction 0 with 216 rules applied. Total rules applied 217 place count 441 transition count 119447
Reduce places removed 206 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 216 rules applied. Total rules applied 433 place count 235 transition count 119437
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 438 place count 230 transition count 119437
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 438 place count 230 transition count 119420
Deduced a syphon composed of 17 places in 43 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 472 place count 213 transition count 119420
Discarding 62 places :
Symmetric choice reduction at 3 with 62 rule applications. Total rules 534 place count 151 transition count 119358
Iterating global reduction 3 with 62 rules applied. Total rules applied 596 place count 151 transition count 119358
Ensure Unique test removed 108788 transitions
Reduce isomorphic transitions removed 108788 transitions.
Iterating post reduction 3 with 108788 rules applied. Total rules applied 109384 place count 151 transition count 10570
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 109388 place count 147 transition count 10566
Iterating global reduction 4 with 4 rules applied. Total rules applied 109392 place count 147 transition count 10566
Performed 11 Post agglomeration using F-continuation condition with reduction of 2581 identical transitions.
Deduced a syphon composed of 11 places in 26 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 109414 place count 136 transition count 7974
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 4 with 62 rules applied. Total rules applied 109476 place count 136 transition count 7912
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 109481 place count 131 transition count 7907
Iterating global reduction 5 with 5 rules applied. Total rules applied 109486 place count 131 transition count 7907
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 5 with 31 rules applied. Total rules applied 109517 place count 131 transition count 7876
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 109521 place count 129 transition count 7874
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 109523 place count 129 transition count 7872
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 109525 place count 127 transition count 7870
Iterating global reduction 7 with 2 rules applied. Total rules applied 109527 place count 127 transition count 7870
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 109530 place count 127 transition count 7867
Drop transitions (Redundant composition of simpler transitions.) removed 3021 transitions
Redundant transition composition rules discarded 3021 transitions
Iterating global reduction 8 with 3021 rules applied. Total rules applied 112551 place count 127 transition count 4846
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 8 with 12 rules applied. Total rules applied 112563 place count 121 transition count 4840
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 8 with 6 rules applied. Total rules applied 112569 place count 121 transition count 4834
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 8 with 4 rules applied. Total rules applied 112573 place count 121 transition count 4834
Applied a total of 112573 rules in 24860 ms. Remains 121 /461 variables (removed 340) and now considering 4834/119673 (removed 114839) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24861 ms. Remains : 121/461 places, 4834/119673 transitions.
RANDOM walk for 1854 steps (0 resets) in 1341 ms. (1 steps per ms) remains 0/67 properties
Able to resolve query StableMarking after proving 497 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS TRIVIAL_UNMARKED_SCC_TEST COLLATERAL_PROCESSING TOPOLOGICAL USE_NUPN
Total runtime 1019211 ms.

BK_STOP 1749084436537

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 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="StigmergyElection-PT-10b"
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 StigmergyElection-PT-10b, 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 r231-smll-174903497500188"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyElection-PT-10b.tgz
mv StigmergyElection-PT-10b 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 ;