About the Execution of 2024-gold for DNAwalker-PT-05track28LR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15693.210 | 281875.00 | 303252.00 | 573.40 | 2 2 2 2 2 2 2 2 1 1 2 2 2 2 1 2 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r083-tall-174860079600051.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 gold2024
Input is DNAwalker-PT-05track28LR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r083-tall-174860079600051
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K 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 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 12 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 108K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-05track28LR-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748730656232
Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-05track28LR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-31 22:30:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 22:30:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 22:30:57] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2025-05-31 22:30:57] [INFO ] Transformed 34 places.
[2025-05-31 22:30:57] [INFO ] Transformed 250 transitions.
[2025-05-31 22:30:57] [INFO ] Parsed PT model containing 34 places and 250 transitions and 728 arcs in 166 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 22:30:57] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
// Phase 1: matrix 247 rows 34 cols
[2025-05-31 22:30:57] [INFO ] Computed 0 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (640 resets) in 62 ms. (158 steps per ms)
BEST_FIRST walk for 160016 steps (995 resets) in 196 ms. (812 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 22:30:57] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
[2025-05-31 22:30:57] [INFO ] Invariant cache hit.
[2025-05-31 22:30:58] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2025-05-31 22:30:58] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:30:59] [INFO ] [Nat]Absence check using state equation in 1041 ms returned unknown
[2025-05-31 22:30:59] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-05-31 22:30:59] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:00] [INFO ] [Nat]Absence check using state equation in 1049 ms returned unknown
[2025-05-31 22:31:00] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 22:31:00] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:01] [INFO ] [Nat]Absence check using state equation in 1032 ms returned unknown
[2025-05-31 22:31:01] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-05-31 22:31:01] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:02] [INFO ] [Nat]Absence check using state equation in 1033 ms returned unknown
[2025-05-31 22:31:02] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-05-31 22:31:02] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:03] [INFO ] [Nat]Absence check using state equation in 1034 ms returned unknown
[2025-05-31 22:31:03] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-05-31 22:31:03] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:04] [INFO ] [Nat]Absence check using state equation in 1062 ms returned unknown
[2025-05-31 22:31:05] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:31:05] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:06] [INFO ] [Nat]Absence check using state equation in 1033 ms returned unknown
[2025-05-31 22:31:06] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-05-31 22:31:06] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:07] [INFO ] [Nat]Absence check using state equation in 1030 ms returned unknown
[2025-05-31 22:31:07] [INFO ] [Real]Absence check using state equation in 27 ms returned unsat
[2025-05-31 22:31:07] [INFO ] [Real]Absence check using state equation in 31 ms returned unsat
[2025-05-31 22:31:07] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-05-31 22:31:07] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:08] [INFO ] [Nat]Absence check using state equation in 1050 ms returned unknown
[2025-05-31 22:31:08] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:31:08] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:09] [INFO ] [Nat]Absence check using state equation in 1033 ms returned unknown
[2025-05-31 22:31:09] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-05-31 22:31:09] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:10] [INFO ] [Nat]Absence check using state equation in 1031 ms returned unknown
[2025-05-31 22:31:10] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-05-31 22:31:10] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:11] [INFO ] [Nat]Absence check using state equation in 1035 ms returned unknown
[2025-05-31 22:31:11] [INFO ] [Real]Absence check using state equation in 28 ms returned unsat
[2025-05-31 22:31:11] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:31:11] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:12] [INFO ] [Nat]Absence check using state equation in 1028 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, 1, +inf, +inf, +inf, +inf, 1, +inf]
FORMULA DNAwalker-PT-05track28LR-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-05track28LR-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-05track28LR-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 250/250 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 34 transition count 240
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 15 place count 29 transition count 235
Applied a total of 15 rules in 36 ms. Remains 29 /34 variables (removed 5) and now considering 235/250 (removed 15) transitions.
Running 229 sub problems to find dead transitions.
// Phase 1: matrix 235 rows 29 cols
[2025-05-31 22:31:13] [INFO ] Computed 0 invariants in 3 ms
[2025-05-31 22:31:13] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 1 (OVERLAPS) 235/263 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/263 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 4 (OVERLAPS) 1/264 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/264 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 6 (OVERLAPS) 0/264 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 229 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 35 constraints, problems are : Problem set: 0 solved, 229 unsolved in 4494 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 229/229 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 229 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 229 unsolved
At refinement iteration 1 (OVERLAPS) 235/263 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 229 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 263/264 variables, and 34 constraints, problems are : Problem set: 0 solved, 229 unsolved in 20018 ms.
Refiners :[State Equation: 28/29 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 0/229 constraints, Known Traps: 0/0 constraints]
After SMT, in 24822ms problems are : Problem set: 0 solved, 229 unsolved
Search for dead transitions found 0 dead transitions in 24840ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24896 ms. Remains : 29/34 places, 235/250 transitions.
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 22:31:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (88154 resets) in 2853 ms. (350 steps per ms)
BEST_FIRST walk for 13000011 steps (155299 resets) in 9076 ms. (1432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 22:31:49] [INFO ] Invariant cache hit.
[2025-05-31 22:31:49] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:31:49] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:31:58] [INFO ] [Nat]Absence check using state equation in 9028 ms returned unknown
[2025-05-31 22:31:58] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-05-31 22:31:58] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:08] [INFO ] [Nat]Absence check using state equation in 9032 ms returned unknown
[2025-05-31 22:32:08] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-05-31 22:32:08] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:17] [INFO ] [Nat]Absence check using state equation in 9030 ms returned unknown
[2025-05-31 22:32:17] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-05-31 22:32:17] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:26] [INFO ] [Nat]Absence check using state equation in 9030 ms returned unknown
[2025-05-31 22:32:26] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:32:26] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:35] [INFO ] [Nat]Absence check using state equation in 9028 ms returned unknown
[2025-05-31 22:32:35] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:32:35] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:44] [INFO ] [Nat]Absence check using state equation in 9028 ms returned unknown
[2025-05-31 22:32:44] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:32:44] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:32:53] [INFO ] [Nat]Absence check using state equation in 9031 ms returned unknown
[2025-05-31 22:32:53] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-05-31 22:32:53] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:02] [INFO ] [Nat]Absence check using state equation in 9033 ms returned unknown
[2025-05-31 22:33:02] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:33:02] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:11] [INFO ] [Nat]Absence check using state equation in 9030 ms returned unknown
[2025-05-31 22:33:11] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:33:11] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:20] [INFO ] [Nat]Absence check using state equation in 9032 ms returned unknown
[2025-05-31 22:33:20] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-05-31 22:33:20] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:30] [INFO ] [Nat]Absence check using state equation in 9031 ms returned unknown
[2025-05-31 22:33:30] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:33:30] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:39] [INFO ] [Nat]Absence check using state equation in 9034 ms returned unknown
[2025-05-31 22:33:39] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-05-31 22:33:39] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:33:48] [INFO ] [Nat]Absence check using state equation in 9029 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 29 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 235/235 transitions.
Applied a total of 0 rules in 10 ms. Remains 29 /29 variables (removed 0) and now considering 235/235 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 29/29 places, 235/235 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 235/235 transitions.
Applied a total of 0 rules in 5 ms. Remains 29 /29 variables (removed 0) and now considering 235/235 (removed 0) transitions.
[2025-05-31 22:33:48] [INFO ] Invariant cache hit.
[2025-05-31 22:33:48] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-31 22:33:48] [INFO ] Invariant cache hit.
[2025-05-31 22:33:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 22:33:48] [INFO ] Implicit Places using invariants and state equation in 149 ms returned [25, 28]
Discarding 2 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 8 transitions.
Implicit Place search using SMT with State Equation took 200 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 27/29 places, 227/235 transitions.
Applied a total of 0 rules in 8 ms. Remains 27 /27 variables (removed 0) and now considering 227/227 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 214 ms. Remains : 27/29 places, 227/235 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 227 rows 27 cols
[2025-05-31 22:33:48] [INFO ] Computed 0 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (79539 resets) in 2695 ms. (370 steps per ms)
BEST_FIRST walk for 13000012 steps (147759 resets) in 8622 ms. (1507 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 22:33:59] [INFO ] Invariant cache hit.
[2025-05-31 22:33:59] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:33:59] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:04] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2025-05-31 22:34:04] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:34:04] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:09] [INFO ] [Nat]Absence check using state equation in 4526 ms returned unknown
[2025-05-31 22:34:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:34:09] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:13] [INFO ] [Nat]Absence check using state equation in 4530 ms returned unknown
[2025-05-31 22:34:13] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:34:13] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:18] [INFO ] [Nat]Absence check using state equation in 4528 ms returned unknown
[2025-05-31 22:34:18] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-05-31 22:34:18] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:22] [INFO ] [Nat]Absence check using state equation in 4527 ms returned unknown
[2025-05-31 22:34:22] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-05-31 22:34:22] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:27] [INFO ] [Nat]Absence check using state equation in 4527 ms returned unknown
[2025-05-31 22:34:27] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:34:27] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:32] [INFO ] [Nat]Absence check using state equation in 4526 ms returned unknown
[2025-05-31 22:34:32] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:34:32] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:36] [INFO ] [Nat]Absence check using state equation in 4527 ms returned unknown
[2025-05-31 22:34:36] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-05-31 22:34:36] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:41] [INFO ] [Nat]Absence check using state equation in 4528 ms returned unknown
[2025-05-31 22:34:41] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-05-31 22:34:41] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:45] [INFO ] [Nat]Absence check using state equation in 4528 ms returned unknown
[2025-05-31 22:34:45] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-05-31 22:34:45] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:50] [INFO ] [Nat]Absence check using state equation in 4528 ms returned unknown
[2025-05-31 22:34:50] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-05-31 22:34:50] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:55] [INFO ] [Nat]Absence check using state equation in 4529 ms returned unknown
[2025-05-31 22:34:55] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-05-31 22:34:55] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 22:34:59] [INFO ] [Nat]Absence check using state equation in 4527 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 27 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 227/227 transitions.
Applied a total of 0 rules in 12 ms. Remains 27 /27 variables (removed 0) and now considering 227/227 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 27/27 places, 227/227 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 27/27 places, 227/227 transitions.
Applied a total of 0 rules in 4 ms. Remains 27 /27 variables (removed 0) and now considering 227/227 (removed 0) transitions.
[2025-05-31 22:34:59] [INFO ] Invariant cache hit.
[2025-05-31 22:34:59] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-31 22:34:59] [INFO ] Invariant cache hit.
[2025-05-31 22:34:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 22:34:59] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
[2025-05-31 22:34:59] [INFO ] Redundant transitions in 10 ms returned []
Running 221 sub problems to find dead transitions.
[2025-05-31 22:34:59] [INFO ] Invariant cache hit.
[2025-05-31 22:34:59] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (OVERLAPS) 227/253 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/253 variables, 6/32 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/253 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (OVERLAPS) 1/254 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 33 constraints, problems are : Problem set: 0 solved, 221 unsolved in 3892 ms.
Refiners :[State Equation: 27/27 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (OVERLAPS) 227/253 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 253/254 variables, and 32 constraints, problems are : Problem set: 0 solved, 221 unsolved in 30014 ms.
Refiners :[State Equation: 26/27 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 0/221 constraints, Known Traps: 0/0 constraints]
After SMT, in 34045ms problems are : Problem set: 0 solved, 221 unsolved
Search for dead transitions found 0 dead transitions in 34048ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34214 ms. Remains : 27/27 places, 227/227 transitions.
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (3196 resets) in 1260 ms. (31 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (430 resets) in 123 ms. (322 steps per ms) remains 13/13 properties
[2025-05-31 22:35:34] [INFO ] Flatten gal took : 107 ms
BEST_FIRST walk for 40004 steps (420 resets) in 139 ms. (285 steps per ms) remains 13/13 properties
[2025-05-31 22:35:34] [INFO ] Flatten gal took : 57 ms
BEST_FIRST walk for 40004 steps (518 resets) in 118 ms. (336 steps per ms) remains 13/13 properties
[2025-05-31 22:35:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12510519751274503806.gal : 31 ms
BEST_FIRST walk for 40004 steps (423 resets) in 238 ms. (167 steps per ms) remains 13/13 properties
[2025-05-31 22:35:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17319262560263663522.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12510519751274503806.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17319262560263663522.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (605 resets) in 142 ms. (279 steps per ms) remains 13/13 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40002 steps (431 resets) in 81 ms. (487 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (421 resets) in 87 ms. (454 steps per ms) remains 13/13 properties
Loading property file /tmp/ReachabilityCardinality17319262560263663522.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :9 after 81
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :81 after 416
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :416 after 1632
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :1632 after 6665
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :6665 after 14234
BEST_FIRST walk for 40003 steps (446 resets) in 121 ms. (327 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :14234 after 116276
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :116276 after 403088
BEST_FIRST walk for 40004 steps (424 resets) in 90 ms. (439 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :403088 after 761088
BEST_FIRST walk for 40004 steps (446 resets) in 108 ms. (367 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :761088 after 1.59544e+06
BEST_FIRST walk for 40004 steps (427 resets) in 96 ms. (412 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (466 resets) in 137 ms. (289 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.59544e+06 after 1.14483e+07
BEST_FIRST walk for 40004 steps (438 resets) in 82 ms. (481 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :4.6682e+07 after 5.8576e+07
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,7.27947e+07,0.828945,28908,2,2566,18,89374,19,0,392,117832,0
Total reachable state count : 72794719
Verifying 13 reachability properties.
Invariant property MIN0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,0.830253,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN1 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,0.830538,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN2 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,0,0.830851,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN3 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,0,0.831877,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN4 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,0.832075,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN5 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,0,0.832787,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN6 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,0,0.832945,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN7 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN7,0,0.833731,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN8 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN8,0,0.833967,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN9 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN9,0,0.834685,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN10 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN10,0,0.834821,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN11 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN11,0,0.835691,28908,1,0,18,89374,19,0,393,117832,0
Invariant property MIN12 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN12,0,0.836009,28908,1,0,18,89374,19,0,393,117832,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 686879 steps, run timeout after 3001 ms. (steps per millisecond=228 ) properties seen :0 out of 13
Probabilistic random walk after 686879 steps, saw 165141 distinct states, run finished after 3004 ms. (steps per millisecond=228 ) properties seen :0
FORMULA DNAwalker-PT-05track28LR-UpperBounds-15 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-12 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-07 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-06 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-02 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-05track28LR-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 13 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 280643 ms.
BK_STOP 1748730938107
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="DNAwalker-PT-05track28LR"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is DNAwalker-PT-05track28LR, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r083-tall-174860079600051"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-05track28LR.tgz
mv DNAwalker-PT-05track28LR execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;