Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994200369.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)
..............................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d0m18, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994200369
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 57K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-15
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-11

=== Now, execution of the tool begins

BK_START 1749147519832

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d0m18
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202505121319
[2025-06-05 18:18:40] [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]
[2025-06-05 18:18:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 18:18:41] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2025-06-05 18:18:41] [INFO ] Transformed 262 places.
[2025-06-05 18:18:41] [INFO ] Transformed 73 transitions.
[2025-06-05 18:18:41] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 152 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 16 ms.
Deduced a syphon composed of 190 places in 0 ms
Reduce places removed 190 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 73/73 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 70 transition count 73
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 10 place count 62 transition count 65
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 62 transition count 65
Applied a total of 18 rules in 19 ms. Remains 62 /72 variables (removed 10) and now considering 65/73 (removed 8) transitions.
// Phase 1: matrix 65 rows 62 cols
[2025-06-05 18:18:41] [INFO ] Computed 5 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:41] [INFO ] Implicit Places using invariants in 193 ms returned []
[2025-06-05 18:18:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:41] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-05 18:18:41] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 377 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2025-06-05 18:18:41] [INFO ] Invariant cache hit.
[2025-06-05 18:18:41] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:42] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:42] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (OVERLAPS) 65/127 variables, 62/69 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 27/96 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:43] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 10 (OVERLAPS) 0/127 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 127/127 variables, and 97 constraints, problems are : Problem set: 0 solved, 64 unsolved in 2442 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (OVERLAPS) 65/127 variables, 62/70 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 27/97 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 64/161 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:45] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/127 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 11 (OVERLAPS) 0/127 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 127/127 variables, and 162 constraints, problems are : Problem set: 0 solved, 64 unsolved in 6198 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8724ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 8739ms
Starting structural reductions in LTL mode, iteration 1 : 62/72 places, 65/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9153 ms. Remains : 62/72 places, 65/73 transitions.
Support contains 4 out of 62 places after structural reductions.
[2025-06-05 18:18:50] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2025-06-05 18:18:50] [INFO ] Flatten gal took : 23 ms
[2025-06-05 18:18:50] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2023-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-05 18:18:50] [INFO ] Flatten gal took : 10 ms
[2025-06-05 18:18:50] [INFO ] Input system was already deterministic with 65 transitions.
Support contains 1 out of 62 places (down from 4) after GAL structural reductions.
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8891 resets) in 746 ms. (53 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (4102 resets) in 337 ms. (118 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3257148 steps, run timeout after 3001 ms. (steps per millisecond=1085 ) properties seen :0 out of 1
Probabilistic random walk after 3257148 steps, saw 1354307 distinct states, run finished after 3008 ms. (steps per millisecond=1082 ) properties seen :0
[2025-06-05 18:18:53] [INFO ] Invariant cache hit.
[2025-06-05 18:18:53] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/47 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/47 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 27/74 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 12/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/89 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/89 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/89 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 5/94 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/94 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/94 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp0 is UNSAT
After SMT solving in domain Real declared 127/127 variables, and 70 constraints, problems are : Problem set: 1 solved, 0 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 3/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
[2025-06-05 18:18:54] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:18:54] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:18:54] [INFO ] Input system was already deterministic with 65 transitions.
Computed a total of 7 stabilizing places and 10 stable transitions
Graph (complete) has 193 edges and 62 vertex of which 61 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 65/65 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 59 transition count 61
Applied a total of 7 rules in 10 ms. Remains 59 /62 variables (removed 3) and now considering 61/65 (removed 4) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:18:54] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:54] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:18:54] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:18:54] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-05 18:18:54] [INFO ] Invariant cache hit.
[2025-06-05 18:18:54] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:54] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:54] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/66 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/91 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:55] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:55] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:55] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:55] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (OVERLAPS) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 95 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2234 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 60/155 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:58] [INFO ] Deduced a trap along path composed of 9 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:59] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:18:59] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 3/158 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:02] [INFO ] Deduced a trap along path composed of 14 places in 26 ms of which 0 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/120 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 13 (OVERLAPS) 0/120 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 159 constraints, problems are : Problem set: 0 solved, 60 unsolved in 8875 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 11131ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11132ms
Starting structural reductions in LTL mode, iteration 1 : 59/62 places, 61/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11293 ms. Remains : 59/62 places, 61/65 transitions.
[2025-06-05 18:19:05] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:19:05] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:19:05] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:19:05] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:19:05] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:19:05] [INFO ] Time to serialize gal into /tmp/CTLCardinality10535495526743474765.gal : 2 ms
[2025-06-05 18:19:05] [INFO ] Time to serialize properties into /tmp/CTLCardinality1287531282283034424.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10535495526743474765.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1287531282283034424.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.33358e+07,1.75016,54968,2,7364,5,243041,6,0,297,149254,0


Converting to forward existential form...Done !
original formula: EG((EX(TRUE) + EX(AX(FALSE))))
=> equivalent forward existential formula: [FwdG(Init,(EX(TRUE) + EX(!(EX(!(FALSE))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
(forward)formula 0,1,24.8592,604444,1,0,1574,3.33086e+06,143,1007,2019,3.46583e+06,1125
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 62/62 places, 65/65 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 59 transition count 61
Applied a total of 7 rules in 16 ms. Remains 59 /62 variables (removed 3) and now considering 61/65 (removed 4) transitions.
[2025-06-05 18:19:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:19:30] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-05 18:19:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:19:30] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:19:30] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-05 18:19:30] [INFO ] Invariant cache hit.
[2025-06-05 18:19:30] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/66 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/91 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:31] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (OVERLAPS) 0/120 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 95 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2243 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 60/155 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:35] [INFO ] Deduced a trap along path composed of 9 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:35] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:35] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 3/158 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:19:38] [INFO ] Deduced a trap along path composed of 14 places in 29 ms of which 0 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/120 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 13 (OVERLAPS) 0/120 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 159 constraints, problems are : Problem set: 0 solved, 60 unsolved in 8815 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 11081ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11082ms
Starting structural reductions in LTL mode, iteration 1 : 59/62 places, 61/65 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11247 ms. Remains : 59/62 places, 61/65 transitions.
[2025-06-05 18:19:41] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:19:41] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:19:41] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:19:41] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:19:41] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:19:41] [INFO ] Time to serialize gal into /tmp/CTLCardinality17225016698636988675.gal : 1 ms
[2025-06-05 18:19:41] [INFO ] Time to serialize properties into /tmp/CTLCardinality5639942863883550338.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality17225016698636988675.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality5639942863883550338.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.33358e+07,1.58641,55048,2,7364,5,243041,6,0,297,149254,0


Converting to forward existential form...Done !
original formula: EG(EF(EX(TRUE)))
=> equivalent forward existential formula: [FwdG(Init,E(TRUE U EX(TRUE)))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
(forward)formula 0,1,24.8824,614072,1,0,1573,3.3691e+06,148,1005,2071,3.48613e+06,1127
FORMULA SieveSingleMsgMbox-PT-d0m18-CTLCardinality-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-05 18:20:06] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:20:06] [INFO ] Flatten gal took : 3 ms
Total runtime 85886 ms.

BK_STOP 1749147606892

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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="SieveSingleMsgMbox-PT-d0m18"
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 2-5832"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d0m18, 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 r212-tall-174901994200369"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m18.tgz
mv SieveSingleMsgMbox-PT-d0m18 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.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 ;