Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r136-smll-177955811000143.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is FireWire-PT-11, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000143
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 8.4K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 125K Mar 3 18:30 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 1779614194229

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-11
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 09:16:37] [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]
[2026-05-24 09:16:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:16:37] [INFO ] Load time of PNML (sax parser for PT used): 209 ms
[2026-05-24 09:16:37] [INFO ] Transformed 169 places.
[2026-05-24 09:16:37] [INFO ] Transformed 508 transitions.
[2026-05-24 09:16:37] [INFO ] Found NUPN structural information;
[2026-05-24 09:16:37] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1883 arcs in 446 ms.
Structural test allowed to assert that 14 places are NOT stable. Took 23 ms.
Ensure Unique test removed 65 transitions
Reduce redundant transitions removed 65 transitions.
[2026-05-24 09:16:38] [INFO ] Flatten gal took : 132 ms
RANDOM walk for 40000 steps (1101 resets) in 3185 ms. (12 steps per ms) remains 40/155 properties
BEST_FIRST walk for 4003 steps (20 resets) in 63 ms. (62 steps per ms) remains 40/40 properties
[2026-05-24 09:16:38] [INFO ] Flatten gal took : 75 ms
BEST_FIRST walk for 4004 steps (20 resets) in 59 ms. (66 steps per ms) remains 38/40 properties
BEST_FIRST walk for 4002 steps (18 resets) in 61 ms. (64 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (18 resets) in 45 ms. (87 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (21 resets) in 96 ms. (41 steps per ms) remains 38/38 properties
[2026-05-24 09:16:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11220802940775749986.gal : 75 ms
BEST_FIRST walk for 4003 steps (21 resets) in 69 ms. (57 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (20 resets) in 50 ms. (78 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (20 resets) in 30 ms. (129 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4003 steps (20 resets) in 27 ms. (142 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (22 resets) in 21 ms. (182 steps per ms) remains 37/37 properties
[2026-05-24 09:16:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8025811755105103134.prop : 1 ms
BEST_FIRST walk for 4003 steps (22 resets) in 21 ms. (181 steps per ms) remains 37/37 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11220802940775749986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8025811755105103134.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (18 resets) in 28 ms. (138 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (18 resets) in 23 ms. (166 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4003 steps (15 resets) in 20 ms. (190 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (18 resets) in 25 ms. (154 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (20 resets) in 30 ms. (129 steps per ms) remains 32/37 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 4003 steps (22 resets) in 30 ms. (129 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (17 resets) in 33 ms. (117 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (24 resets) in 27 ms. (143 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (21 resets) in 26 ms. (148 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (21 resets) in 24 ms. (160 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (24 resets) in 26 ms. (148 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (22 resets) in 20 ms. (190 steps per ms) remains 32/32 properties
Loading property file /tmp/ReachabilityCardinality8025811755105103134.prop.
BEST_FIRST walk for 4004 steps (19 resets) in 22 ms. (174 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (21 resets) in 13 ms. (285 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (23 resets) in 26 ms. (148 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (23 resets) in 13 ms. (286 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (21 resets) in 45 ms. (87 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (20 resets) in 23 ms. (166 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (19 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (20 resets) in 21 ms. (181 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (18 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
SDD proceeding with computation,37 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,37 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,37 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,37 properties remain. new max is 32
SDD size :6 after 28
SDD proceeding with computation,37 properties remain. new max is 64
SDD size :28 after 31
SDD proceeding with computation,37 properties remain. new max is 128
SDD size :31 after 56
[2026-05-24 09:16:39] [INFO ] Flow matrix only has 405 transitions (discarded 38 similar events)
SDD proceeding with computation,37 properties remain. new max is 256
SDD size :56 after 106
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-576358480636415796.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3466702720498774234.kers'
[2026-05-24 09:16:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-576358480636415796.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3466702720498774234.kers]
Normalized transition count is 404 out of 405 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 404 rows 169 cols 1363 entries
Finished phase 1 with 159 SingleSign rule and 0 generalized
[2026-05-24 09:16:39] [INFO ] Computed 10 invariants in 10 ms
Computed 10 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3466702720498774234.kers
Total runtime 11 ms.
SDD proceeding with computation,37 properties remain. new max is 512
SDD size :106 after 188
[2026-05-24 09:16:39] [INFO ] State equation strengthened by 58 read => feed constraints.
SDD proceeding with computation,37 properties remain. new max is 1024
SDD size :188 after 419
Invariant property smplace_146 does not hold.
Invariant property smplace_145 does not hold.
SDD proceeding with computation,35 properties remain. new max is 1024
SDD size :419 after 2273
Invariant property smplace_56 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
SDD proceeding with computation,28 properties remain. new max is 1024
SDD size :2273 after 6700
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
SDD proceeding with computation,26 properties remain. new max is 1024
SDD size :6700 after 7190
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 104/136 variables, 5/37 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 104/141 constraints. Problems are: Problem set: 9 solved, 23 unsolved
SDD proceeding with computation,26 properties remain. new max is 2048
SDD size :7190 after 12197
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/141 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 5 (OVERLAPS) 30/166 variables, 5/146 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 30/176 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 0/176 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 8 (OVERLAPS) 404/570 variables, 166/342 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/570 variables, 57/399 constraints. Problems are: Problem set: 9 solved, 23 unsolved
SDD proceeding with computation,26 properties remain. new max is 4096
SDD size :12197 after 18296
At refinement iteration 10 (INCLUDED_ONLY) 0/570 variables, 0/399 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 11 (OVERLAPS) 3/573 variables, 3/402 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 3/405 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/573 variables, 0/405 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 14 (OVERLAPS) 1/574 variables, 1/406 constraints. Problems are: Problem set: 9 solved, 23 unsolved
SDD proceeding with computation,26 properties remain. new max is 8192
SDD size :18296 after 109292
At refinement iteration 15 (INCLUDED_ONLY) 0/574 variables, 0/406 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 16 (OVERLAPS) 0/574 variables, 0/406 constraints. Problems are: Problem set: 9 solved, 23 unsolved
No progress, stopping.
After SMT solving in domain Real declared 574/574 variables, and 406 constraints, problems are : Problem set: 9 solved, 23 unsolved in 2734 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 23 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/23 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 67/90 variables, 3/26 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 67/93 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 1/94 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/94 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 76/166 variables, 7/101 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 76/177 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/166 variables, 3/180 constraints. Problems are: Problem set: 9 solved, 23 unsolved
SDD proceeding with computation,26 properties remain. new max is 16384
SDD size :109292 after 189423
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 0/180 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 10 (OVERLAPS) 404/570 variables, 166/346 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/570 variables, 57/403 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/570 variables, 23/426 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/570 variables, 0/426 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 14 (OVERLAPS) 3/573 variables, 3/429 constraints. Problems are: Problem set: 9 solved, 23 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/573 variables, 3/432 constraints. Problems are: Problem set: 9 solved, 23 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 573/574 variables, and 432 constraints, problems are : Problem set: 9 solved, 23 unsolved in 5016 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 57/58 constraints, PredecessorRefiner: 23/32 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7992ms problems are : Problem set: 9 solved, 23 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 443/443 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 169 transition count 440
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 169 transition count 434
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 163 transition count 434
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 162 transition count 432
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 162 transition count 432
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 23 place count 159 transition count 439
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 29 place count 159 transition count 433
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 2 with 9 rules applied. Total rules applied 38 place count 159 transition count 424
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 43 place count 159 transition count 430
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 55 place count 154 transition count 423
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 3 with 7 rules applied. Total rules applied 62 place count 154 transition count 416
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 154 transition count 416
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 64 place count 153 transition count 415
Applied a total of 64 rules in 297 ms. Remains 153 /169 variables (removed 16) and now considering 415/443 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 313 ms. Remains : 153/169 places, 415/443 transitions.
SDD proceeding with computation,26 properties remain. new max is 32768
SDD size :189423 after 333754
RANDOM walk for 4000000 steps (128522 resets) in 27814 ms. (143 steps per ms) remains 11/23 properties
BEST_FIRST walk for 4000004 steps (27402 resets) in 5596 ms. (714 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (27394 resets) in 5406 ms. (739 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (27403 resets) in 5157 ms. (775 steps per ms) remains 10/11 properties
SDD proceeding with computation,26 properties remain. new max is 65536
SDD size :333754 after 712649
BEST_FIRST walk for 4000003 steps (27305 resets) in 6101 ms. (655 steps per ms) remains 8/10 properties
BEST_FIRST walk for 4000004 steps (27301 resets) in 4979 ms. (803 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (27299 resets) in 4822 ms. (829 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (27540 resets) in 4517 ms. (885 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (27456 resets) in 5286 ms. (756 steps per ms) remains 6/8 properties
[2026-05-24 09:17:09] [INFO ] Flow matrix only has 378 transitions (discarded 37 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15311894073226658403.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17560982600833096252.kers'
[2026-05-24 09:17:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15311894073226658403.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17560982600833096252.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 378 rows 153 cols 1302 entries
Finished phase 1 with 143 SingleSign rule and 0 generalized
[2026-05-24 09:17:09] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17560982600833096252.kers
Total runtime 3 ms.
[2026-05-24 09:17:09] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 75/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 238/319 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/319 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 119/438 variables, 23/106 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/438 variables, 4/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/438 variables, 36/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/438 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/439 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/439 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/439 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 81/520 variables, 41/189 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/520 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/520 variables, 20/210 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/520 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 10/530 variables, 6/216 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/530 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/530 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 1/531 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/531 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 0/531 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 531/531 variables, and 219 constraints, problems are : Problem set: 0 solved, 6 unsolved in 603 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 75/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 238/319 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/319 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 119/438 variables, 23/106 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/438 variables, 4/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/438 variables, 36/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/438 variables, 6/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 1/439 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/439 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/439 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 81/520 variables, 41/195 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/520 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/520 variables, 20/216 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/520 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 10/530 variables, 6/222 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/530 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/530 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (OVERLAPS) 1/531 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/531 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (OVERLAPS) 0/531 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 531/531 variables, and 225 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1978 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2609ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 7187 ms.
Support contains 6 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 415/415 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 151 transition count 416
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 151 transition count 416
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 7 place count 150 transition count 415
Applied a total of 7 rules in 43 ms. Remains 150 /153 variables (removed 3) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 150/153 places, 415/415 transitions.
RANDOM walk for 4000000 steps (128320 resets) in 15131 ms. (264 steps per ms) remains 3/6 properties
BEST_FIRST walk for 4000004 steps (27239 resets) in 3679 ms. (1086 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (27221 resets) in 4121 ms. (970 steps per ms) remains 3/3 properties
SDD proceeding with computation,26 properties remain. new max is 131072
SDD size :712649 after 2.30223e+06
BEST_FIRST walk for 4000003 steps (27178 resets) in 3575 ms. (1118 steps per ms) remains 3/3 properties
[2026-05-24 09:17:27] [INFO ] Flow matrix only has 378 transitions (discarded 37 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8977424160786075071.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6312687473183922235.kers'
[2026-05-24 09:17:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8977424160786075071.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6312687473183922235.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 378 rows 150 cols 1314 entries
Finished phase 1 with 140 SingleSign rule and 0 generalized
[2026-05-24 09:17:27] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6312687473183922235.kers
Total runtime 3 ms.
[2026-05-24 09:17:27] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 75/78 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 238/316 variables, 78/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/316 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 119/435 variables, 23/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/435 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/435 variables, 36/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/435 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/436 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/436 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/436 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 81/517 variables, 41/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/517 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/517 variables, 20/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/517 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 10/527 variables, 6/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/527 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/527 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 1/528 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/528 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 0/528 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 528/528 variables, and 216 constraints, problems are : Problem set: 0 solved, 3 unsolved in 429 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 75/78 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 238/316 variables, 78/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/316 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 119/435 variables, 23/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/435 variables, 4/107 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/435 variables, 36/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/435 variables, 3/146 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/435 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/436 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/436 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/436 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 81/517 variables, 41/189 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/517 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/517 variables, 20/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/517 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 10/527 variables, 6/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/527 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/527 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 1/528 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/528 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/528 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 528/528 variables, and 219 constraints, problems are : Problem set: 0 solved, 3 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1201ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1130 ms.
Support contains 3 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 10 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 150/150 places, 415/415 transitions.
RANDOM walk for 4000000 steps (128090 resets) in 12183 ms. (328 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (27423 resets) in 3549 ms. (1126 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000002 steps (27298 resets) in 4063 ms. (984 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000003 steps (27320 resets) in 3534 ms. (1131 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 26408 steps, run visited all 3 properties in 150 ms. (steps per millisecond=176 )
Probabilistic random walk after 26408 steps, saw 9329 distinct states, run finished after 159 ms. (steps per millisecond=166 ) properties seen :3
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 156 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL
Total runtime 60444 ms.

BK_STOP 1779614257498

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="FireWire-PT-11"
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 2-5973"
echo " Executing tool itstools"
echo " Input is FireWire-PT-11, 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 r136-smll-177955811000143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-11.tgz
mv FireWire-PT-11 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 ;