Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r400-tall-171690533400889.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 itstools
Input is Szymanski-PT-b10, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r400-tall-171690533400889
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 16:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 11 15:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Apr 11 15:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Apr 11 15:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 29K Apr 11 15:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b10-CTLCardinality-2024-00
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-01
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-02
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-03
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-04
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-05
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-06
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-07
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-08
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-09
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-10
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2024-11
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2023-12
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2023-13
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2023-14
FORMULA_NAME Szymanski-PT-b10-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1717091864142

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202405141337
[2024-05-30 17:57:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-30 17:57:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 17:57:45] [INFO ] Load time of PNML (sax parser for PT used): 344 ms
[2024-05-30 17:57:45] [INFO ] Transformed 568 places.
[2024-05-30 17:57:45] [INFO ] Transformed 8320 transitions.
[2024-05-30 17:57:45] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 483 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 16 ms.
Deduced a syphon composed of 260 places in 18 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b10-CTLCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-CTLCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-CTLCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-CTLCardinality-2023-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 307 transition count 8064
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 306 transition count 7936
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 306 transition count 7936
Applied a total of 3 rules in 218 ms. Remains 306 /308 variables (removed 2) and now considering 7936/8064 (removed 128) transitions.
[2024-05-30 17:57:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 306 cols
[2024-05-30 17:57:46] [INFO ] Computed 2 invariants in 59 ms
[2024-05-30 17:57:47] [INFO ] Implicit Places using invariants in 857 ms returned []
[2024-05-30 17:57:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 17:57:47] [INFO ] Invariant cache hit.
[2024-05-30 17:57:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 17:58:16] [INFO ] Implicit Places using invariants and state equation in 29258 ms returned []
Implicit Place search using SMT with State Equation took 30156 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 17:58:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 17:58:16] [INFO ] Invariant cache hit.
[2024-05-30 17:58:16] [INFO ] State equation strengthened by 147 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3038 variables, and 0 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30172 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3038 variables, and 0 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30091 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/306 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 88977ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 89077ms
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 119513 ms. Remains : 306/308 places, 7936/8064 transitions.
Support contains 40 out of 306 places after structural reductions.
[2024-05-30 17:59:46] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2024-05-30 17:59:46] [INFO ] Flatten gal took : 474 ms
FORMULA Szymanski-PT-b10-CTLCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-CTLCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-CTLCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-30 17:59:46] [INFO ] Flatten gal took : 287 ms
[2024-05-30 17:59:47] [INFO ] Input system was already deterministic with 7936 transitions.
Support contains 32 out of 306 places (down from 40) after GAL structural reductions.
RANDOM walk for 40014 steps (9 resets) in 1345 ms. (29 steps per ms) remains 16/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 13/13 properties
[2024-05-30 17:59:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 17:59:47] [INFO ] Invariant cache hit.
[2024-05-30 17:59:47] [INFO ] State equation strengthened by 147 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp17 is UNSAT
At refinement iteration 1 (OVERLAPS) 289/306 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/306 variables, 0/2 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2732/3038 variables, 306/308 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3038 variables, 147/455 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3038 variables, 0/455 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/3038 variables, 0/455 constraints. Problems are: Problem set: 7 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3038/3038 variables, and 455 constraints, problems are : Problem set: 7 solved, 6 unsolved in 1196 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 306/306 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 297/306 variables, 2/2 constraints. Problems are: Problem set: 7 solved, 6 unsolved
[2024-05-30 17:59:49] [INFO ] Deduced a trap composed of 88 places in 605 ms of which 23 ms to minimize.
[2024-05-30 17:59:50] [INFO ] Deduced a trap composed of 40 places in 578 ms of which 2 ms to minimize.
[2024-05-30 17:59:50] [INFO ] Deduced a trap composed of 40 places in 536 ms of which 2 ms to minimize.
[2024-05-30 17:59:51] [INFO ] Deduced a trap composed of 86 places in 555 ms of which 2 ms to minimize.
[2024-05-30 17:59:51] [INFO ] Deduced a trap composed of 120 places in 543 ms of which 2 ms to minimize.
[2024-05-30 17:59:52] [INFO ] Deduced a trap composed of 112 places in 531 ms of which 2 ms to minimize.
[2024-05-30 17:59:52] [INFO ] Deduced a trap composed of 134 places in 530 ms of which 2 ms to minimize.
[2024-05-30 17:59:53] [INFO ] Deduced a trap composed of 112 places in 591 ms of which 14 ms to minimize.
[2024-05-30 17:59:54] [INFO ] Deduced a trap composed of 138 places in 571 ms of which 2 ms to minimize.
SMT process timed out in 6439ms, After SMT, problems are : Problem set: 7 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 9 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7936/7936 transitions.
Graph (complete) has 9096 edges and 306 vertex of which 305 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.15 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 127 place count 305 transition count 7810
Applied a total of 127 rules in 401 ms. Remains 305 /306 variables (removed 1) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 403 ms. Remains : 305/306 places, 7810/7936 transitions.
RANDOM walk for 40021 steps (8 resets) in 244 ms. (163 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 5/6 properties
[2024-05-30 17:59:54] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-05-30 17:59:54] [INFO ] Computed 2 invariants in 25 ms
[2024-05-30 17:59:54] [INFO ] State equation strengthened by 147 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 297/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2606/2911 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2911 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/2911 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2911/2911 variables, and 454 constraints, problems are : Problem set: 0 solved, 5 unsolved in 806 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 297/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 2606/2911 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2911 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2911 variables, 5/459 constraints. Problems are: Problem set: 0 solved, 5 unsolved
[2024-05-30 17:59:58] [INFO ] Deduced a trap composed of 74 places in 335 ms of which 1 ms to minimize.
[2024-05-30 17:59:59] [INFO ] Deduced a trap composed of 87 places in 309 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/2911 variables, 2/461 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2911 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/2911 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2911/2911 variables, and 461 constraints, problems are : Problem set: 0 solved, 5 unsolved in 4686 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 2/2 constraints]
After SMT, in 5562ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 1 properties in 2233 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7809
Applied a total of 1 rules in 303 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7810 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 303 ms. Remains : 305/305 places, 7809/7810 transitions.
RANDOM walk for 40023 steps (8 resets) in 168 ms. (236 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 140795 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 4
Probabilistic random walk after 140795 steps, saw 109400 distinct states, run finished after 3005 ms. (steps per millisecond=46 ) properties seen :0
[2024-05-30 18:00:06] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2024-05-30 18:00:06] [INFO ] Computed 2 invariants in 15 ms
[2024-05-30 18:00:06] [INFO ] State equation strengthened by 147 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2605/2910 variables, 305/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2910 variables, 147/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/2910 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2910/2910 variables, and 454 constraints, problems are : Problem set: 0 solved, 4 unsolved in 707 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 299/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-30 18:00:07] [INFO ] Deduced a trap composed of 48 places in 573 ms of which 2 ms to minimize.
[2024-05-30 18:00:08] [INFO ] Deduced a trap composed of 72 places in 500 ms of which 3 ms to minimize.
[2024-05-30 18:00:08] [INFO ] Deduced a trap composed of 84 places in 576 ms of which 2 ms to minimize.
[2024-05-30 18:00:09] [INFO ] Deduced a trap composed of 49 places in 593 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/305 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 2605/2910 variables, 305/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2910 variables, 147/458 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2910 variables, 4/462 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-30 18:00:11] [INFO ] Deduced a trap composed of 78 places in 259 ms of which 1 ms to minimize.
[2024-05-30 18:00:12] [INFO ] Deduced a trap composed of 39 places in 398 ms of which 2 ms to minimize.
[2024-05-30 18:00:12] [INFO ] Deduced a trap composed of 50 places in 403 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2910 variables, 3/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2910 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/2910 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2910/2910 variables, and 465 constraints, problems are : Problem set: 0 solved, 4 unsolved in 6742 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 7/7 constraints]
After SMT, in 7503ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 881 ms.
Support contains 6 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 259 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 259 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2024-05-30 18:00:15] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 18:00:15] [INFO ] Invariant cache hit.
[2024-05-30 18:00:15] [INFO ] Implicit Places using invariants in 488 ms returned []
[2024-05-30 18:00:15] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 18:00:15] [INFO ] Invariant cache hit.
[2024-05-30 18:00:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:00:46] [INFO ] Performed 285/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 18:00:51] [INFO ] Implicit Places using invariants and state equation in 36462 ms returned []
Implicit Place search using SMT with State Equation took 36951 ms to find 0 implicit places.
[2024-05-30 18:00:52] [INFO ] Redundant transitions in 886 ms returned []
Running 7807 sub problems to find dead transitions.
[2024-05-30 18:00:52] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2024-05-30 18:00:52] [INFO ] Invariant cache hit.
[2024-05-30 18:00:52] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30117 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7807/7807 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7807 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2910 variables, and 2 constraints, problems are : Problem set: 0 solved, 7807 unsolved in 30095 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7807 constraints, Known Traps: 0/0 constraints]
After SMT, in 88892ms problems are : Problem set: 0 solved, 7807 unsolved
Search for dead transitions found 0 dead transitions in 88978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127029 ms. Remains : 305/305 places, 7809/7809 transitions.
Successfully simplified 7 atomic propositions for a total of 7 simplifications.
FORMULA Szymanski-PT-b10-CTLCardinality-2023-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-30 18:02:22] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-30 18:02:22] [INFO ] Flatten gal took : 196 ms
FORMULA Szymanski-PT-b10-CTLCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-30 18:02:22] [INFO ] Flatten gal took : 190 ms
[2024-05-30 18:02:22] [INFO ] Input system was already deterministic with 7936 transitions.
Support contains 15 out of 306 places (down from 17) after GAL structural reductions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Graph (complete) has 12425 edges and 306 vertex of which 305 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.30 ms
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 7936/7936 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7936
Applied a total of 1 rules in 67 ms. Remains 305 /306 variables (removed 1) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 18:02:22] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2024-05-30 18:02:22] [INFO ] Computed 1 invariants in 21 ms
[2024-05-30 18:02:23] [INFO ] Implicit Places using invariants in 427 ms returned []
[2024-05-30 18:02:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:02:23] [INFO ] Invariant cache hit.
[2024-05-30 18:02:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:02:54] [INFO ] Implicit Places using invariants and state equation in 31254 ms returned []
Implicit Place search using SMT with State Equation took 31684 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 18:02:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:02:54] [INFO ] Invariant cache hit.
[2024-05-30 18:02:54] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30098 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30086 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 88129ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 88193ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/7936 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 119972 ms. Remains : 305/306 places, 7936/7936 transitions.
[2024-05-30 18:04:22] [INFO ] Flatten gal took : 162 ms
[2024-05-30 18:04:23] [INFO ] Flatten gal took : 183 ms
[2024-05-30 18:04:23] [INFO ] Input system was already deterministic with 7936 transitions.
[2024-05-30 18:04:23] [INFO ] Flatten gal took : 169 ms
[2024-05-30 18:04:23] [INFO ] Flatten gal took : 174 ms
[2024-05-30 18:04:23] [INFO ] Time to serialize gal into /tmp/CTLCardinality12191654317997324726.gal : 88 ms
[2024-05-30 18:04:23] [INFO ] Time to serialize properties into /tmp/CTLCardinality3185716523252396605.ctl : 2 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality12191654317997324726.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3185716523252396605.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2024-05-30 18:04:54] [INFO ] Flatten gal took : 174 ms
[2024-05-30 18:04:54] [INFO ] Applying decomposition
[2024-05-30 18:04:54] [INFO ] Flatten gal took : 180 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5252719964466665144.txt' '-o' '/tmp/graph5252719964466665144.bin' '-w' '/tmp/graph5252719964466665144.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5252719964466665144.bin' '-l' '-1' '-v' '-w' '/tmp/graph5252719964466665144.weights' '-q' '0' '-e' '0.001'
[2024-05-30 18:04:54] [INFO ] Decomposing Gal with order
[2024-05-30 18:04:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-30 18:04:56] [INFO ] Removed a total of 14037 redundant transitions.
[2024-05-30 18:04:56] [INFO ] Flatten gal took : 1370 ms
[2024-05-30 18:04:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 1775 labels/synchronizations in 314 ms.
[2024-05-30 18:04:57] [INFO ] Time to serialize gal into /tmp/CTLCardinality6738561415688991148.gal : 27 ms
[2024-05-30 18:04:57] [INFO ] Time to serialize properties into /tmp/CTLCardinality3979160145121614901.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality6738561415688991148.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3979160145121614901.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 7936/7936 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 305 transition count 7936
Applied a total of 1 rules in 32 ms. Remains 305 /306 variables (removed 1) and now considering 7936/7936 (removed 0) transitions.
[2024-05-30 18:05:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:05:27] [INFO ] Invariant cache hit.
[2024-05-30 18:05:27] [INFO ] Implicit Places using invariants in 478 ms returned []
[2024-05-30 18:05:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:05:27] [INFO ] Invariant cache hit.
[2024-05-30 18:05:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:05:59] [INFO ] Performed 296/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-05-30 18:06:01] [INFO ] Implicit Places using invariants and state equation in 33379 ms returned []
Implicit Place search using SMT with State Equation took 33870 ms to find 0 implicit places.
Running 7934 sub problems to find dead transitions.
[2024-05-30 18:06:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2024-05-30 18:06:01] [INFO ] Invariant cache hit.
[2024-05-30 18:06:01] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30091 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints]
After SMT, in 88720ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 88785ms
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/7936 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 122705 ms. Remains : 305/306 places, 7936/7936 transitions.
[2024-05-30 18:07:30] [INFO ] Flatten gal took : 269 ms
[2024-05-30 18:07:30] [INFO ] Flatten gal took : 250 ms
[2024-05-30 18:07:30] [INFO ] Input system was already deterministic with 7936 transitions.
[2024-05-30 18:07:31] [INFO ] Flatten gal took : 182 ms
[2024-05-30 18:07:31] [INFO ] Flatten gal took : 187 ms
[2024-05-30 18:07:31] [INFO ] Time to serialize gal into /tmp/CTLCardinality3955631706941996265.gal : 36 ms
[2024-05-30 18:07:31] [INFO ] Time to serialize properties into /tmp/CTLCardinality13906713559370386139.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality3955631706941996265.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13906713559370386139.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284

BK_STOP 1717092451789

--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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 CTLCardinality -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="Szymanski-PT-b10"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Szymanski-PT-b10, 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 r400-tall-171690533400889"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b10.tgz
mv Szymanski-PT-b10 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 ;