fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r355-tall-171683758400273
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for ShieldIIPt-PT-020A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
819.672 71244.00 112802.00 229.50 TTTTFTTTFFTTFFTF normal

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-171683758400273.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldIIPt-PT-020A, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683758400273
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 8.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K 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 3.7K Apr 23 07:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 07:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 23 07:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Apr 12 23:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 201K Apr 12 23:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 12 22:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 12 22:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:52 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 105K 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 ShieldIIPt-PT-020A-CTLCardinality-2024-00
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-01
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-02
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-03
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-04
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-05
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-06
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-07
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-08
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-09
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-10
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2024-11
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2023-12
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2023-13
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2023-14
FORMULA_NAME ShieldIIPt-PT-020A-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1716931289146

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-020A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 21:21:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-28 21:21:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 21:21:30] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2024-05-28 21:21:30] [INFO ] Transformed 383 places.
[2024-05-28 21:21:30] [INFO ] Transformed 283 transitions.
[2024-05-28 21:21:30] [INFO ] Found NUPN structural information;
[2024-05-28 21:21:30] [INFO ] Parsed PT model containing 383 places and 283 transitions and 1206 arcs in 201 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 17 ms.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Support contains 147 out of 383 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 27 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
// Phase 1: matrix 282 rows 383 cols
[2024-05-28 21:21:30] [INFO ] Computed 181 invariants in 13 ms
[2024-05-28 21:21:31] [INFO ] Implicit Places using invariants in 515 ms returned []
[2024-05-28 21:21:31] [INFO ] Invariant cache hit.
[2024-05-28 21:21:31] [INFO ] Implicit Places using invariants and state equation in 440 ms returned []
Implicit Place search using SMT with State Equation took 985 ms to find 0 implicit places.
Running 281 sub problems to find dead transitions.
[2024-05-28 21:21:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/382 variables, 382/382 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/382 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (OVERLAPS) 1/383 variables, 181/563 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/383 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/383 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (OVERLAPS) 282/665 variables, 383/947 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (OVERLAPS) 0/665 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 281 unsolved
No progress, stopping.
After SMT solving in domain Real declared 665/665 variables, and 947 constraints, problems are : Problem set: 0 solved, 281 unsolved in 14116 ms.
Refiners :[Domain max(s): 383/383 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 383/383 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 281 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/382 variables, 382/382 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/382 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (OVERLAPS) 1/383 variables, 181/563 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/383 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/383 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (OVERLAPS) 282/665 variables, 383/947 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 281/1228 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/665 variables, 0/1228 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (OVERLAPS) 0/665 variables, 0/1228 constraints. Problems are: Problem set: 0 solved, 281 unsolved
No progress, stopping.
After SMT solving in domain Int declared 665/665 variables, and 1228 constraints, problems are : Problem set: 0 solved, 281 unsolved in 18109 ms.
Refiners :[Domain max(s): 383/383 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 383/383 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 0/0 constraints]
After SMT, in 32456ms problems are : Problem set: 0 solved, 281 unsolved
Search for dead transitions found 0 dead transitions in 32481ms
Finished structural reductions in LTL mode , in 1 iterations and 33525 ms. Remains : 383/383 places, 282/282 transitions.
Support contains 147 out of 383 places after structural reductions.
[2024-05-28 21:22:04] [INFO ] Flatten gal took : 74 ms
[2024-05-28 21:22:04] [INFO ] Flatten gal took : 30 ms
[2024-05-28 21:22:04] [INFO ] Input system was already deterministic with 282 transitions.
Support contains 136 out of 383 places (down from 147) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 93 to 92
RANDOM walk for 40000 steps (8 resets) in 1750 ms. (22 steps per ms) remains 27/92 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4001 steps (8 resets) in 28 ms. (137 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
[2024-05-28 21:22:05] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 39/86 variables, 39/86 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 39/125 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 297/383 variables, 142/267 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 297/564 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 282/665 variables, 383/947 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/665 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 10 (OVERLAPS) 0/665 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 665/665 variables, and 947 constraints, problems are : Problem set: 0 solved, 27 unsolved in 928 ms.
Refiners :[Domain max(s): 383/383 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 383/383 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 39/86 variables, 39/86 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 39/125 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 297/383 variables, 142/267 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/383 variables, 297/564 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 282/665 variables, 383/947 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/665 variables, 27/974 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/665 variables, 0/974 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 11 (OVERLAPS) 0/665 variables, 0/974 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Int declared 665/665 variables, and 974 constraints, problems are : Problem set: 0 solved, 27 unsolved in 2109 ms.
Refiners :[Domain max(s): 383/383 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 383/383 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints]
After SMT, in 3053ms problems are : Problem set: 0 solved, 27 unsolved
Fused 27 Parikh solutions to 21 different solutions.
Parikh walk visited 0 properties in 3916 ms.
Support contains 47 out of 383 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 383/383 places, 282/282 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 383 transition count 281
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 382 transition count 281
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 0 with 2 rules applied. Total rules applied 4 place count 381 transition count 280
Partial Free-agglomeration rule applied 31 times.
Drop transitions (Partial Free agglomeration) removed 31 transitions
Iterating global reduction 0 with 31 rules applied. Total rules applied 35 place count 381 transition count 280
Applied a total of 35 rules in 91 ms. Remains 381 /383 variables (removed 2) and now considering 280/282 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 381/383 places, 280/282 transitions.
RANDOM walk for 40000 steps (8 resets) in 1105 ms. (36 steps per ms) remains 1/27 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
// Phase 1: matrix 280 rows 381 cols
[2024-05-28 21:22:12] [INFO ] Computed 181 invariants in 7 ms
[2024-05-28 21:22:12] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 6/10 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 371/381 variables, 177/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/381 variables, 371/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/381 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 280/661 variables, 381/943 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/661 variables, 20/963 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/661 variables, 0/963 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/661 variables, 0/963 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 661/661 variables, and 963 constraints, problems are : Problem set: 0 solved, 1 unsolved in 207 ms.
Refiners :[Domain max(s): 381/381 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 381/381 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 6/10 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 371/381 variables, 177/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/381 variables, 371/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/381 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 280/661 variables, 381/943 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/661 variables, 20/963 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/661 variables, 1/964 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/661 variables, 0/964 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/661 variables, 0/964 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 661/661 variables, and 964 constraints, problems are : Problem set: 0 solved, 1 unsolved in 243 ms.
Refiners :[Domain max(s): 381/381 constraints, Positive P Invariants (semi-flows): 181/181 constraints, State Equation: 381/381 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 464ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 4 out of 381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 381/381 places, 280/280 transitions.
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 7 place count 381 transition count 280
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 380 transition count 279
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 378 transition count 279
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 10 place count 378 transition count 278
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 377 transition count 278
Applied a total of 12 rules in 44 ms. Remains 377 /381 variables (removed 4) and now considering 278/280 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 377/381 places, 278/280 transitions.
RANDOM walk for 39428 steps (8 resets) in 338 ms. (116 steps per ms) remains 0/1 properties
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 27 ms
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 27 ms
[2024-05-28 21:22:13] [INFO ] Input system was already deterministic with 282 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 20 ms
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 18 ms
[2024-05-28 21:22:13] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 7 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 17 ms
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 18 ms
[2024-05-28 21:22:13] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:13] [INFO ] Flatten gal took : 16 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 17 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 5 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 15 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 15 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 3 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 17 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 383 transition count 281
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 382 transition count 281
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 0 with 2 rules applied. Total rules applied 4 place count 381 transition count 280
Applied a total of 4 rules in 23 ms. Remains 381 /383 variables (removed 2) and now considering 280/282 (removed 2) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 23 ms. Remains : 381/383 places, 280/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 280 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 383 transition count 281
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 382 transition count 281
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 0 with 2 rules applied. Total rules applied 4 place count 381 transition count 280
Applied a total of 4 rules in 23 ms. Remains 381 /383 variables (removed 2) and now considering 280/282 (removed 2) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 23 ms. Remains : 381/383 places, 280/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 280 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 3 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 15 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 15 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 3 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 14 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 12 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 12 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
Starting structural reductions in LTL mode, iteration 0 : 383/383 places, 282/282 transitions.
Applied a total of 0 rules in 4 ms. Remains 383 /383 variables (removed 0) and now considering 282/282 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 383/383 places, 282/282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 11 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Input system was already deterministic with 282 transitions.
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 12 ms
[2024-05-28 21:22:14] [INFO ] Flatten gal took : 13 ms
[2024-05-28 21:22:14] [INFO ] Export to MCC of 16 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 5 ms.
[2024-05-28 21:22:14] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 383 places, 282 transitions and 1204 arcs took 3 ms.
Total runtime 44553 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldIIPt-PT-020A

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 383
TRANSITIONS: 282
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.003s]


SAVING FILE /home/mcc/execution/414/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: 571
MODEL NAME: /home/mcc/execution/414/model
383 places, 282 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 ShieldIIPt-PT-020A-CTLCardinality-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-04 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-09 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2023-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2023-13 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2023-15 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2023-14 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldIIPt-PT-020A-CTLCardinality-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716931360390

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ 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

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="ShieldIIPt-PT-020A"
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 ShieldIIPt-PT-020A, 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-171683758400273"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-020A.tgz
mv ShieldIIPt-PT-020A 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 ;