Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r355-tall-171683759900937.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldRVt-PT-004B, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683759900937
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 19 16:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 11 21:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Apr 11 21:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Apr 11 21:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 11 21:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 48K May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-00
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-01
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-02
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-03
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-04
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-05
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-06
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-07
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-08
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-09
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-10
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2024-11
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2023-12
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2023-13
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2023-14
FORMULA_NAME ShieldRVt-PT-004B-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1717074713191

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-004B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 13:11:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-30 13:11:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 13:11:54] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2024-05-30 13:11:54] [INFO ] Transformed 203 places.
[2024-05-30 13:11:54] [INFO ] Transformed 203 transitions.
[2024-05-30 13:11:54] [INFO ] Found NUPN structural information;
[2024-05-30 13:11:54] [INFO ] Parsed PT model containing 203 places and 203 transitions and 478 arcs in 166 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 14 ms.
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-004B-CTLCardinality-2023-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-004B-CTLCardinality-2023-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 53 out of 203 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 203/203 places, 203/203 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 171 transition count 171
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 171 transition count 171
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 65 place count 170 transition count 170
Iterating global reduction 0 with 1 rules applied. Total rules applied 66 place count 170 transition count 170
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 67 place count 169 transition count 169
Iterating global reduction 0 with 1 rules applied. Total rules applied 68 place count 169 transition count 169
Applied a total of 68 rules in 49 ms. Remains 169 /203 variables (removed 34) and now considering 169/203 (removed 34) transitions.
// Phase 1: matrix 169 rows 169 cols
[2024-05-30 13:11:54] [INFO ] Computed 17 invariants in 16 ms
[2024-05-30 13:11:54] [INFO ] Implicit Places using invariants in 250 ms returned []
[2024-05-30 13:11:54] [INFO ] Invariant cache hit.
[2024-05-30 13:11:55] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 410 ms to find 0 implicit places.
Running 168 sub problems to find dead transitions.
[2024-05-30 13:11:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 9 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 2 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 0 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 25 places in 27 ms of which 1 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 22 places in 24 ms of which 0 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 20 places in 19 ms of which 0 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 23 places in 26 ms of which 1 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 24 places in 24 ms of which 1 ms to minimize.
[2024-05-30 13:11:56] [INFO ] Deduced a trap composed of 22 places in 21 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 23 places in 24 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 21 places in 22 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 17 places in 24 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 25 places in 22 ms of which 1 ms to minimize.
[2024-05-30 13:11:57] [INFO ] Deduced a trap composed of 14 places in 17 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 16/33 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 4 (OVERLAPS) 169/338 variables, 169/202 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/338 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 6 (OVERLAPS) 0/338 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 168 unsolved
No progress, stopping.
After SMT solving in domain Real declared 338/338 variables, and 202 constraints, problems are : Problem set: 0 solved, 168 unsolved in 5707 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 168/168 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 0 solved, 168 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 1 (OVERLAPS) 1/169 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/169 variables, 16/33 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:01] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 1 ms to minimize.
[2024-05-30 13:12:01] [INFO ] Deduced a trap composed of 17 places in 22 ms of which 1 ms to minimize.
[2024-05-30 13:12:01] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 1 ms to minimize.
[2024-05-30 13:12:01] [INFO ] Deduced a trap composed of 28 places in 26 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 5 (OVERLAPS) 169/338 variables, 169/206 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 168/374 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:02] [INFO ] Deduced a trap composed of 22 places in 63 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 2 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 27 places in 64 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 2 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 35 places in 63 ms of which 2 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 1 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 26 places in 64 ms of which 2 ms to minimize.
[2024-05-30 13:12:03] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 35 places in 38 ms of which 2 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 32 places in 37 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 1 ms to minimize.
[2024-05-30 13:12:04] [INFO ] Deduced a trap composed of 42 places in 47 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 20/394 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 2 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 25 places in 50 ms of which 1 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 2 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 1 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 30 places in 61 ms of which 1 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 31 places in 57 ms of which 1 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 23 places in 60 ms of which 1 ms to minimize.
[2024-05-30 13:12:05] [INFO ] Deduced a trap composed of 25 places in 50 ms of which 2 ms to minimize.
[2024-05-30 13:12:06] [INFO ] Deduced a trap composed of 29 places in 47 ms of which 1 ms to minimize.
[2024-05-30 13:12:06] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 1 ms to minimize.
[2024-05-30 13:12:06] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 1 ms to minimize.
[2024-05-30 13:12:06] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 12/406 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:07] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-30 13:12:07] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
[2024-05-30 13:12:08] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 1 ms to minimize.
[2024-05-30 13:12:08] [INFO ] Deduced a trap composed of 23 places in 48 ms of which 1 ms to minimize.
[2024-05-30 13:12:08] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 1 ms to minimize.
[2024-05-30 13:12:08] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 1 ms to minimize.
[2024-05-30 13:12:08] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 7/413 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:10] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 1 ms to minimize.
[2024-05-30 13:12:10] [INFO ] Deduced a trap composed of 26 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/338 variables, 2/415 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:13] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 1 ms to minimize.
[2024-05-30 13:12:13] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 1 ms to minimize.
[2024-05-30 13:12:13] [INFO ] Deduced a trap composed of 32 places in 45 ms of which 1 ms to minimize.
[2024-05-30 13:12:13] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 1 ms to minimize.
[2024-05-30 13:12:13] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/338 variables, 5/420 constraints. Problems are: Problem set: 0 solved, 168 unsolved
[2024-05-30 13:12:16] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/338 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/338 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 168 unsolved
At refinement iteration 14 (OVERLAPS) 0/338 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 168 unsolved
No progress, stopping.
After SMT solving in domain Int declared 338/338 variables, and 421 constraints, problems are : Problem set: 0 solved, 168 unsolved in 23903 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 168/168 constraints, Known Traps: 67/67 constraints]
After SMT, in 29671ms problems are : Problem set: 0 solved, 168 unsolved
Search for dead transitions found 0 dead transitions in 29691ms
Starting structural reductions in LTL mode, iteration 1 : 169/203 places, 169/203 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 30193 ms. Remains : 169/203 places, 169/203 transitions.
Support contains 53 out of 169 places after structural reductions.
[2024-05-30 13:12:24] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-30 13:12:24] [INFO ] Flatten gal took : 33 ms
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-30 13:12:24] [INFO ] Flatten gal took : 12 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 169 transitions.
Support contains 49 out of 169 places (down from 53) after GAL structural reductions.
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 5969 steps (1 resets) in 200 ms. (29 steps per ms) remains 0/35 properties
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 8 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 8 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 169 transitions.
Computed a total of 49 stabilizing places and 49 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 157 transition count 157
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 157 transition count 157
Applied a total of 24 rules in 7 ms. Remains 157 /169 variables (removed 12) and now considering 157/169 (removed 12) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7 ms. Remains : 157/169 places, 157/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 7 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 7 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 157 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 160 transition count 160
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 160 transition count 160
Applied a total of 18 rules in 6 ms. Remains 160 /169 variables (removed 9) and now considering 160/169 (removed 9) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6 ms. Remains : 160/169 places, 160/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 160 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 158 transition count 158
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 158 transition count 158
Applied a total of 22 rules in 5 ms. Remains 158 /169 variables (removed 11) and now considering 158/169 (removed 11) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 158/169 places, 158/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 158 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 41 transitions
Trivial Post-agglo rules discarded 41 transitions
Performed 41 trivial Post agglomeration. Transition count delta: 41
Iterating post reduction 0 with 41 rules applied. Total rules applied 41 place count 168 transition count 127
Reduce places removed 41 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 42 rules applied. Total rules applied 83 place count 127 transition count 126
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 84 place count 126 transition count 126
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 25 Pre rules applied. Total rules applied 84 place count 126 transition count 101
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 134 place count 101 transition count 101
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 145 place count 90 transition count 90
Iterating global reduction 3 with 11 rules applied. Total rules applied 156 place count 90 transition count 90
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 156 place count 90 transition count 81
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 174 place count 81 transition count 81
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 0 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 230 place count 53 transition count 53
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 231 place count 53 transition count 52
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 233 place count 51 transition count 50
Applied a total of 233 rules in 32 ms. Remains 51 /169 variables (removed 118) and now considering 50/169 (removed 119) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 32 ms. Remains : 51/169 places, 50/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 3 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 3 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 50 transitions.
RANDOM walk for 12 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in SI_CTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 0 with 43 rules applied. Total rules applied 43 place count 168 transition count 125
Reduce places removed 43 places and 0 transitions.
Iterating post reduction 1 with 43 rules applied. Total rules applied 86 place count 125 transition count 125
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 86 place count 125 transition count 100
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 136 place count 100 transition count 100
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 147 place count 89 transition count 89
Iterating global reduction 2 with 11 rules applied. Total rules applied 158 place count 89 transition count 89
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 158 place count 89 transition count 80
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 176 place count 80 transition count 80
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 2 with 56 rules applied. Total rules applied 232 place count 52 transition count 52
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 233 place count 52 transition count 51
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 235 place count 51 transition count 50
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 237 place count 49 transition count 48
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 238 place count 48 transition count 48
Applied a total of 238 rules in 19 ms. Remains 48 /169 variables (removed 121) and now considering 48/169 (removed 121) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 19 ms. Remains : 48/169 places, 48/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 3 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 3 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 48 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 162 transition count 162
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 162 transition count 162
Applied a total of 14 rules in 5 ms. Remains 162 /169 variables (removed 7) and now considering 162/169 (removed 7) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 162/169 places, 162/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 162 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 159 transition count 159
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 159 transition count 159
Applied a total of 20 rules in 5 ms. Remains 159 /169 variables (removed 10) and now considering 159/169 (removed 10) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 159/169 places, 159/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 159 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 158 transition count 158
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 158 transition count 158
Applied a total of 22 rules in 5 ms. Remains 158 /169 variables (removed 11) and now considering 158/169 (removed 11) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 158/169 places, 158/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 158 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 158 transition count 158
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 158 transition count 158
Applied a total of 22 rules in 5 ms. Remains 158 /169 variables (removed 11) and now considering 158/169 (removed 11) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 158/169 places, 158/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 158 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 42 transitions
Trivial Post-agglo rules discarded 42 transitions
Performed 42 trivial Post agglomeration. Transition count delta: 42
Iterating post reduction 0 with 42 rules applied. Total rules applied 42 place count 168 transition count 126
Reduce places removed 42 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 43 rules applied. Total rules applied 85 place count 126 transition count 125
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 86 place count 125 transition count 125
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 25 Pre rules applied. Total rules applied 86 place count 125 transition count 100
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 136 place count 100 transition count 100
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 147 place count 89 transition count 89
Iterating global reduction 3 with 11 rules applied. Total rules applied 158 place count 89 transition count 89
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 158 place count 89 transition count 80
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 176 place count 80 transition count 80
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 228 place count 54 transition count 54
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 229 place count 54 transition count 53
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 231 place count 53 transition count 52
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 233 place count 51 transition count 50
Applied a total of 233 rules in 22 ms. Remains 51 /169 variables (removed 118) and now considering 50/169 (removed 119) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 22 ms. Remains : 51/169 places, 50/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 2 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 2 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 50 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 169/169 places, 169/169 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 0 with 39 rules applied. Total rules applied 39 place count 168 transition count 129
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 1 with 39 rules applied. Total rules applied 78 place count 129 transition count 129
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 78 place count 129 transition count 104
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 128 place count 104 transition count 104
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 139 place count 93 transition count 93
Iterating global reduction 2 with 11 rules applied. Total rules applied 150 place count 93 transition count 93
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 150 place count 93 transition count 84
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 168 place count 84 transition count 84
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 218 place count 59 transition count 59
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 219 place count 59 transition count 58
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 221 place count 58 transition count 57
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 222 place count 57 transition count 56
Applied a total of 222 rules in 17 ms. Remains 57 /169 variables (removed 112) and now considering 56/169 (removed 113) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 17 ms. Remains : 57/169 places, 56/169 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 2 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 3 ms
[2024-05-30 13:12:25] [INFO ] Input system was already deterministic with 56 transitions.
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 7 ms
[2024-05-30 13:12:25] [INFO ] Flatten gal took : 6 ms
[2024-05-30 13:12:25] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2024-05-30 13:12:25] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 169 places, 169 transitions and 410 arcs took 1 ms.
Total runtime 31270 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldRVt-PT-004B

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/409/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 169
TRANSITIONS: 169
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.000s]


SAVING FILE /home/mcc/execution/409/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 746
MODEL NAME: /home/mcc/execution/409/model
169 places, 169 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-05 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2023-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2023-13 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-004B-CTLCardinality-2024-06 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1717075602608

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory

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="ShieldRVt-PT-004B"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ShieldRVt-PT-004B, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r355-tall-171683759900937"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-004B.tgz
mv ShieldRVt-PT-004B execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;