Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r091-smll-174860108000213.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 FireWire-PT-13, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-smll-174860108000213
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 8.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 153K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1748651015996

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-13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-31 00:23:38] [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]
[2025-05-31 00:23:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 00:23:38] [INFO ] Load time of PNML (sax parser for PT used): 214 ms
[2025-05-31 00:23:39] [INFO ] Transformed 205 places.
[2025-05-31 00:23:39] [INFO ] Transformed 610 transitions.
[2025-05-31 00:23:39] [INFO ] Found NUPN structural information;
[2025-05-31 00:23:39] [INFO ] Parsed PT model containing 205 places and 610 transitions and 2309 arcs in 437 ms.
Structural test allowed to assert that 14 places are NOT stable. Took 16 ms.
Ensure Unique test removed 68 transitions
Reduce redundant transitions removed 68 transitions.
RANDOM walk for 40000 steps (1156 resets) in 3079 ms. (12 steps per ms) remains 75/191 properties
[2025-05-31 00:23:40] [INFO ] Flatten gal took : 326 ms
BEST_FIRST walk for 4002 steps (26 resets) in 95 ms. (41 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (27 resets) in 50 ms. (78 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (26 resets) in 64 ms. (61 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (18 resets) in 57 ms. (69 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (20 resets) in 48 ms. (81 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (27 resets) in 92 ms. (43 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (22 resets) in 61 ms. (64 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (19 resets) in 44 ms. (88 steps per ms) remains 75/75 properties
[2025-05-31 00:23:40] [INFO ] Flatten gal took : 161 ms
BEST_FIRST walk for 4004 steps (22 resets) in 56 ms. (70 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (23 resets) in 37 ms. (105 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (25 resets) in 38 ms. (102 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (24 resets) in 48 ms. (81 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (27 resets) in 45 ms. (87 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (24 resets) in 47 ms. (83 steps per ms) remains 75/75 properties
[2025-05-31 00:23:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8117544274800465944.gal : 70 ms
BEST_FIRST walk for 4004 steps (27 resets) in 46 ms. (85 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (20 resets) in 37 ms. (105 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (18 resets) in 45 ms. (87 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (21 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (24 resets) in 15 ms. (250 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (24 resets) in 18 ms. (210 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (24 resets) in 15 ms. (250 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (21 resets) in 18 ms. (210 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (23 resets) in 14 ms. (266 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4001 steps (27 resets) in 16 ms. (235 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (26 resets) in 54 ms. (72 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (23 resets) in 14 ms. (266 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (31 resets) in 13 ms. (286 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (22 resets) in 17 ms. (222 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (22 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (24 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (20 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (20 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (23 resets) in 14 ms. (266 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (22 resets) in 13 ms. (286 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (26 resets) in 13 ms. (285 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (24 resets) in 20 ms. (190 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (27 resets) in 18 ms. (210 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (23 resets) in 25 ms. (154 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (24 resets) in 22 ms. (174 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (28 resets) in 26 ms. (148 steps per ms) remains 75/75 properties
[2025-05-31 00:23:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14924877016960960766.prop : 3 ms
BEST_FIRST walk for 4004 steps (24 resets) in 25 ms. (154 steps per ms) remains 75/75 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8117544274800465944.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14924877016960960766.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (23 resets) in 22 ms. (174 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (26 resets) in 26 ms. (148 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (23 resets) in 35 ms. (111 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (19 resets) in 45 ms. (87 steps per ms) remains 75/75 properties

its-reach command run as :

BEST_FIRST walk for 4004 steps (25 resets) in 24 ms. (160 steps per ms) remains 75/75 properties
/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
BEST_FIRST walk for 4004 steps (24 resets) in 25 ms. (154 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4004 steps (19 resets) in 29 ms. (133 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4002 steps (28 resets) in 31 ms. (125 steps per ms) remains 75/75 properties
BEST_FIRST walk for 4003 steps (23 resets) in 27 ms. (142 steps per ms) remains 75/75 properties
Loading property file /tmp/ReachabilityCardinality14924877016960960766.prop.
[2025-05-31 00:23:40] [INFO ] Flow matrix only has 504 transitions (discarded 38 similar events)
// Phase 1: matrix 504 rows 205 cols
[2025-05-31 00:23:40] [INFO ] Computed 10 invariants in 25 ms
SDD proceeding with computation,75 properties remain. new max is 4
SDD size :1 after 4
[2025-05-31 00:23:40] [INFO ] State equation strengthened by 73 read => feed constraints.
SDD proceeding with computation,75 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,75 properties remain. new max is 16
SDD size :5 after 25
SDD proceeding with computation,75 properties remain. new max is 32
SDD size :25 after 45
SDD proceeding with computation,75 properties remain. new max is 64
SDD size :45 after 65
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,75 properties remain. new max is 128
SDD size :65 after 105
SDD proceeding with computation,75 properties remain. new max is 256
SDD size :105 after 166
Invariant property smplace_59 does not hold.
Invariant property smplace_54 does not hold.
SDD proceeding with computation,73 properties remain. new max is 256
SDD size :166 after 239
Invariant property smplace_44 does not hold.
Invariant property smplace_43 does not hold.
Invariant property smplace_42 does not hold.
SDD proceeding with computation,70 properties remain. new max is 256
SDD size :239 after 293
Invariant property smplace_41 does not hold.
Invariant property smplace_40 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_38 does not hold.
SDD proceeding with computation,66 properties remain. new max is 256
SDD size :293 after 347
Invariant property smplace_37 does not hold.
SDD proceeding with computation,65 properties remain. new max is 256
SDD size :347 after 574
SDD proceeding with computation,65 properties remain. new max is 512
SDD size :574 after 630
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 75/75 constraints. Problems are: Problem set: 5 solved, 70 unsolved
SDD proceeding with computation,65 properties remain. new max is 1024
SDD size :630 after 971
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/75 constraints. Problems are: Problem set: 10 solved, 65 unsolved
SDD proceeding with computation,65 properties remain. new max is 2048
SDD size :971 after 4008
At refinement iteration 2 (OVERLAPS) 115/190 variables, 9/84 constraints. Problems are: Problem set: 10 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 115/199 constraints. Problems are: Problem set: 10 solved, 65 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/199 constraints. Problems are: Problem set: 10 solved, 65 unsolved
At refinement iteration 5 (OVERLAPS) 12/202 variables, 1/200 constraints. Problems are: Problem set: 10 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 12/212 constraints. Problems are: Problem set: 10 solved, 65 unsolved
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_32 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_14 does not hold.
SDD proceeding with computation,54 properties remain. new max is 2048
SDD size :4008 after 11198
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/212 constraints. Problems are: Problem set: 21 solved, 54 unsolved
At refinement iteration 8 (OVERLAPS) 503/705 variables, 202/414 constraints. Problems are: Problem set: 21 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/705 variables, 72/486 constraints. Problems are: Problem set: 21 solved, 54 unsolved
Invariant property smplace_27 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
SDD proceeding with computation,50 properties remain. new max is 2048
SDD size :11198 after 22412
At refinement iteration 10 (INCLUDED_ONLY) 0/705 variables, 0/486 constraints. Problems are: Problem set: 25 solved, 50 unsolved
At refinement iteration 11 (OVERLAPS) 3/708 variables, 3/489 constraints. Problems are: Problem set: 25 solved, 50 unsolved
SDD proceeding with computation,50 properties remain. new max is 4096
SDD size :22412 after 24209
At refinement iteration 12 (INCLUDED_ONLY) 0/708 variables, 3/492 constraints. Problems are: Problem set: 25 solved, 50 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/708 variables, 0/492 constraints. Problems are: Problem set: 25 solved, 50 unsolved
SMT process timed out in 5210ms, After SMT, problems are : Problem set: 25 solved, 50 unsolved
Fused 50 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 50 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 542/542 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 205 transition count 539
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 3 place count 205 transition count 536
Deduced a syphon composed of 3 places in 6 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 9 place count 202 transition count 536
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 13 place count 198 transition count 528
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 198 transition count 528
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 20 place count 198 transition count 525
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 21 place count 197 transition count 522
Iterating global reduction 2 with 1 rules applied. Total rules applied 22 place count 197 transition count 522
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 23 place count 196 transition count 520
Iterating global reduction 2 with 1 rules applied. Total rules applied 24 place count 196 transition count 520
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 25 place count 195 transition count 517
Iterating global reduction 2 with 1 rules applied. Total rules applied 26 place count 195 transition count 517
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 194 transition count 515
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 194 transition count 515
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 193 transition count 512
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 193 transition count 512
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 31 place count 192 transition count 510
Iterating global reduction 2 with 1 rules applied. Total rules applied 32 place count 192 transition count 510
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 33 place count 191 transition count 507
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 191 transition count 507
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 190 transition count 505
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 190 transition count 505
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 37 place count 189 transition count 502
Iterating global reduction 2 with 1 rules applied. Total rules applied 38 place count 189 transition count 502
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 188 transition count 500
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 188 transition count 500
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 41 place count 187 transition count 498
Iterating global reduction 2 with 1 rules applied. Total rules applied 42 place count 187 transition count 498
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 43 place count 186 transition count 496
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 186 transition count 496
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 185 transition count 495
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 52 place count 182 transition count 501
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 58 place count 182 transition count 495
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 3 with 9 rules applied. Total rules applied 67 place count 182 transition count 486
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 68 place count 182 transition count 488
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 71 place count 181 transition count 486
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 73 place count 181 transition count 484
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 74 place count 180 transition count 483
Applied a total of 74 rules in 347 ms. Remains 180 /205 variables (removed 25) and now considering 483/542 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 363 ms. Remains : 180/205 places, 483/542 transitions.
SDD proceeding with computation,50 properties remain. new max is 8192
SDD size :24209 after 39341
Invariant property smplace_123 does not hold.
Invariant property smplace_118 does not hold.
SDD proceeding with computation,48 properties remain. new max is 8192
SDD size :39341 after 125421
SDD proceeding with computation,48 properties remain. new max is 16384
SDD size :125421 after 332909
RANDOM walk for 4000000 steps (128285 resets) in 40402 ms. (99 steps per ms) remains 38/50 properties
BEST_FIRST walk for 400003 steps (2708 resets) in 952 ms. (419 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400003 steps (2715 resets) in 905 ms. (441 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400002 steps (2730 resets) in 1003 ms. (398 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400002 steps (2741 resets) in 1137 ms. (351 steps per ms) remains 36/38 properties
BEST_FIRST walk for 400002 steps (2729 resets) in 995 ms. (401 steps per ms) remains 34/36 properties
BEST_FIRST walk for 400004 steps (2758 resets) in 922 ms. (433 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2731 resets) in 1014 ms. (394 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2769 resets) in 949 ms. (421 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2722 resets) in 1080 ms. (370 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2702 resets) in 927 ms. (431 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2707 resets) in 1060 ms. (377 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400003 steps (2723 resets) in 981 ms. (407 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2740 resets) in 914 ms. (437 steps per ms) remains 33/33 properties
SDD proceeding with computation,48 properties remain. new max is 32768
SDD size :332909 after 720072
BEST_FIRST walk for 400003 steps (2775 resets) in 1060 ms. (377 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2718 resets) in 972 ms. (411 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2745 resets) in 1091 ms. (366 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2760 resets) in 930 ms. (429 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2810 resets) in 1043 ms. (383 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2737 resets) in 1139 ms. (350 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2703 resets) in 964 ms. (414 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (2743 resets) in 986 ms. (405 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (2765 resets) in 939 ms. (425 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2696 resets) in 1067 ms. (374 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2775 resets) in 955 ms. (418 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2705 resets) in 1037 ms. (385 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2718 resets) in 944 ms. (423 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (2756 resets) in 1139 ms. (350 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2728 resets) in 885 ms. (451 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2745 resets) in 1019 ms. (392 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2738 resets) in 873 ms. (457 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2725 resets) in 1008 ms. (396 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2748 resets) in 1081 ms. (369 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2694 resets) in 836 ms. (477 steps per ms) remains 33/33 properties
[2025-05-31 00:24:09] [INFO ] Flow matrix only has 448 transitions (discarded 35 similar events)
// Phase 1: matrix 448 rows 180 cols
[2025-05-31 00:24:09] [INFO ] Computed 10 invariants in 5 ms
[2025-05-31 00:24:09] [INFO ] State equation strengthened by 66 read => feed constraints.
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) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 80/113 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 311/424 variables, 113/117 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/424 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 111/535 variables, 18/135 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/535 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/535 variables, 46/182 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/535 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 9 (OVERLAPS) 2/537 variables, 2/184 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/537 variables, 2/186 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/537 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 12 (OVERLAPS) 80/617 variables, 40/226 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/617 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/617 variables, 20/247 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/617 variables, 0/247 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 16 (OVERLAPS) 10/627 variables, 6/253 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/627 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/627 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 19 (OVERLAPS) 1/628 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/628 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 21 (OVERLAPS) 0/628 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 628/628 variables, and 256 constraints, problems are : Problem set: 0 solved, 33 unsolved in 2933 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 180/180 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 33 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 80/113 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:24:12] [INFO ] Deduced a trap composed of 33 places in 93 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 00:24:13] [INFO ] Deduced a trap composed of 41 places in 64 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 311/424 variables, 113/119 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/424 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/424 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 111/535 variables, 18/139 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/535 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/535 variables, 46/186 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/535 variables, 31/217 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/535 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 12 (OVERLAPS) 2/537 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/537 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/537 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 15 (OVERLAPS) 80/617 variables, 40/261 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/617 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/617 variables, 20/282 constraints. Problems are: Problem set: 0 solved, 33 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,48 properties remain. new max is 65536
SDD size :720072 after 1.41317e+06
[2025-05-31 00:24:17] [INFO ] Deduced a trap composed of 59 places in 205 ms of which 28 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/617 variables, 1/283 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/617 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 20 (OVERLAPS) 10/627 variables, 6/289 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/627 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/627 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 23 (OVERLAPS) 1/628 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/628 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 25 (OVERLAPS) 0/628 variables, 0/292 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 628/628 variables, and 292 constraints, problems are : Problem set: 0 solved, 33 unsolved in 13003 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 180/180 constraints, ReadFeed: 66/66 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15994ms problems are : Problem set: 0 solved, 33 unsolved
Fused 33 Parikh solutions to 32 different solutions.
Parikh walk visited 0 properties in 1622 ms.
Support contains 33 out of 180 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 180/180 places, 483/483 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 179 transition count 482
Applied a total of 2 rules in 31 ms. Remains 179 /180 variables (removed 1) and now considering 482/483 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 179/180 places, 482/483 transitions.
RANDOM walk for 4000000 steps (128480 resets) in 34970 ms. (114 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2719 resets) in 1018 ms. (392 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2763 resets) in 785 ms. (508 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2758 resets) in 845 ms. (472 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2730 resets) in 928 ms. (430 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2759 resets) in 1042 ms. (383 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2703 resets) in 1117 ms. (357 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2750 resets) in 1027 ms. (389 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2702 resets) in 888 ms. (449 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2721 resets) in 1064 ms. (375 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2807 resets) in 877 ms. (455 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (2781 resets) in 1060 ms. (377 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2735 resets) in 1026 ms. (389 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2737 resets) in 1135 ms. (352 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2753 resets) in 874 ms. (457 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (2753 resets) in 980 ms. (407 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2737 resets) in 957 ms. (417 steps per ms) remains 33/33 properties
Invariant property smplace_108 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.
Invariant property smplace_91 does not hold.
Invariant property smplace_90 does not hold.
Invariant property smplace_89 does not hold.
SDD proceeding with computation,28 properties remain. new max is 65536
SDD size :1.41317e+06 after 2.57412e+07
BEST_FIRST walk for 400003 steps (2749 resets) in 1036 ms. (385 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2753 resets) in 1097 ms. (364 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2665 resets) in 923 ms. (432 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2731 resets) in 1009 ms. (396 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2739 resets) in 1107 ms. (361 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (2725 resets) in 891 ms. (448 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2757 resets) in 881 ms. (453 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2701 resets) in 923 ms. (432 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2696 resets) in 905 ms. (441 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2735 resets) in 831 ms. (480 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2754 resets) in 1054 ms. (379 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2773 resets) in 1078 ms. (370 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (2726 resets) in 840 ms. (475 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2772 resets) in 992 ms. (402 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (2722 resets) in 869 ms. (459 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2734 resets) in 1062 ms. (376 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (2771 resets) in 974 ms. (410 steps per ms) remains 33/33 properties
Invariant property smplace_88 does not hold.
SDD proceeding with computation,27 properties remain. new max is 65536
SDD size :2.57412e+07 after 3.8657e+07
Invariant property smplace_173 does not hold.
Invariant property smplace_151 does not hold.
Invariant property smplace_83 does not hold.
Invariant property smplace_78 does not hold.
SDD proceeding with computation,23 properties remain. new max is 65536
SDD size :3.8657e+07 after 7.25723e+07
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_158 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_156 does not hold.
Invariant property smplace_155 does not hold.
Invariant property smplace_154 does not hold.
Invariant property smplace_153 does not hold.
Invariant property smplace_152 does not hold.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :7.25723e+07 after 3.87323e+08
Interrupted probabilistic random walk after 7278861 steps, run timeout after 63001 ms. (steps per millisecond=115 ) properties seen :5 out of 33
Probabilistic random walk after 7278861 steps, saw 1584093 distinct states, run finished after 63012 ms. (steps per millisecond=115 ) properties seen :5
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 192 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL
Total runtime 132962 ms.

BK_STOP 1748651151562

--------------------
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_1.0.0.202505121319.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="FireWire-PT-13"
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 FireWire-PT-13, 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 r091-smll-174860108000213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-13.tgz
mv FireWire-PT-13 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 ;