Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339500247.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 itstools
Input is CopsAndRobbers-PT-KFL028N008K002X005, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339500247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.8K Jun 6 08:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Jun 6 08:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Jun 6 08:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Jun 6 08:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Jun 6 11:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.6K Jun 6 11:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Jun 6 11:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 9.8K Jun 6 09:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Jun 6 09:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Jun 6 08:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Jun 6 08:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 11:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 11:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 19 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 789K Jun 5 20:08 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 CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-00
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-01
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-02
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-03
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-04
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-05
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-06
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-07
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-08
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-10
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-11
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-12
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-13
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-14
FORMULA_NAME CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749347779731

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-KFL028N008K002X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-08 01:56:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-08 01:56:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 01:56:21] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2025-06-08 01:56:21] [INFO ] Transformed 146 places.
[2025-06-08 01:56:21] [INFO ] Transformed 927 transitions.
[2025-06-08 01:56:21] [INFO ] Parsed PT model containing 146 places and 927 transitions and 5438 arcs in 224 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2025-06-08 01:56:21] [INFO ] Flatten gal took : 155 ms
[2025-06-08 01:56:22] [INFO ] Flatten gal took : 94 ms
[2025-06-08 01:56:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11055425655463304456.gal : 62 ms
[2025-06-08 01:56:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8325123169316222086.prop : 3 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11055425655463304456.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8325123169316222086.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (660 resets) in 3022 ms. (13 steps per ms) remains 2/16 properties
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality8325123169316222086.prop.
BEST_FIRST walk for 40004 steps (55 resets) in 607 ms. (65 steps per ms) remains 2/2 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 25
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :25 after 26
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :26 after 220
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :220 after 1765
BEST_FIRST walk for 40004 steps (41 resets) in 401 ms. (99 steps per ms) remains 2/2 properties
// Phase 1: matrix 927 rows 146 cols
[2025-06-08 01:56:22] [INFO ] Computed 31 invariants in 26 ms
[2025-06-08 01:56:22] [INFO ] State equation strengthened by 70 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-06 is UNSAT
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 79/145 variables, 12/29 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 1/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/146 variables, 1/31 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/31 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :1765 after 319274
At refinement iteration 7 (OVERLAPS) 927/1073 variables, 146/177 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :319274 after 320393
At refinement iteration 8 (INCLUDED_ONLY) 0/1073 variables, 70/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1073 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1073 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1073/1073 variables, and 247 constraints, problems are : Problem set: 1 solved, 1 unsolved in 764 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 146/146 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 12/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 89/145 variables, 17/29 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 1/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/146 variables, 1/31 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :320393 after 321975
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/31 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 927/1073 variables, 146/177 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :321975 after 325824
At refinement iteration 8 (INCLUDED_ONLY) 0/1073 variables, 70/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1073 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1073 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1073/1073 variables, and 247 constraints, problems are : Problem set: 1 solved, 1 unsolved in 455 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 146/146 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1318ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 56 out of 146 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 146/146 places, 927/927 transitions.
Graph (complete) has 2162 edges and 146 vertex of which 118 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.6 ms
Discarding 28 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 69 ms. Remains 118 /146 variables (removed 28) and now considering 927/927 (removed 0) transitions.
Running 852 sub problems to find dead transitions.
// Phase 1: matrix 927 rows 118 cols
[2025-06-08 01:56:23] [INFO ] Computed 30 invariants in 8 ms
[2025-06-08 01:56:23] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :325824 after 793739
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Invariant property CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-14 does not hold.
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Reachability property CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-11 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1045/1045 variables, and 218 constraints, problems are : Problem set: 0 solved, 852 unsolved in 20062 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 852 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1045/1045 variables, and 725 constraints, problems are : Problem set: 0 solved, 852 unsolved in 20692 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42960ms problems are : Problem set: 0 solved, 852 unsolved
Search for dead transitions found 0 dead transitions in 42971ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43062 ms. Remains : 118/146 places, 927/927 transitions.
RANDOM walk for 40000 steps (672 resets) in 407 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (53 resets) in 345 ms. (115 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 550907 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 550907 steps, saw 116443 distinct states, run finished after 3007 ms. (steps per millisecond=183 ) properties seen :0
[2025-06-08 01:57:10] [INFO ] Invariant cache hit.
[2025-06-08 01:57:10] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 18/74 variables, 15/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/75 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 884/959 variables, 75/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/959 variables, 29/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/959 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/1045 variables, 43/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1045 variables, 41/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1045 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1045 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1045/1045 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 18/74 variables, 15/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/75 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 884/959 variables, 75/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/959 variables, 29/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/959 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/1045 variables, 43/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1045 variables, 41/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1045 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1045 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1045/1045 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 373 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 669ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 56 out of 118 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 118/118 places, 927/927 transitions.
Applied a total of 0 rules in 26 ms. Remains 118 /118 variables (removed 0) and now considering 927/927 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 118/118 places, 927/927 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 118/118 places, 927/927 transitions.
Applied a total of 0 rules in 18 ms. Remains 118 /118 variables (removed 0) and now considering 927/927 (removed 0) transitions.
[2025-06-08 01:57:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 01:57:10] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-08 01:57:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 01:57:11] [INFO ] State equation strengthened by 70 read => feed constraints.
[2025-06-08 01:57:11] [INFO ] Implicit Places using invariants and state equation in 545 ms returned []
Implicit Place search using SMT with State Equation took 629 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 01:57:11] [INFO ] Redundant transitions in 67 ms returned []
Running 852 sub problems to find dead transitions.
[2025-06-08 01:57:11] [INFO ] Invariant cache hit.
[2025-06-08 01:57:11] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1045/1045 variables, and 218 constraints, problems are : Problem set: 0 solved, 852 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 852 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1045/1045 variables, and 725 constraints, problems are : Problem set: 0 solved, 852 unsolved in 30734 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62817ms problems are : Problem set: 0 solved, 852 unsolved
Search for dead transitions found 0 dead transitions in 62819ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63549 ms. Remains : 118/118 places, 927/927 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 0 with 43 rules applied. Total rules applied 43 place count 118 transition count 884
Applied a total of 43 rules in 22 ms. Remains 118 /118 variables (removed 0) and now considering 884/927 (removed 43) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 884 rows 118 cols
[2025-06-08 01:58:14] [INFO ] Computed 30 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-08 01:58:14] [INFO ] [Real]Absence check using 29 positive place invariants in 4 ms returned sat
[2025-06-08 01:58:14] [INFO ] [Real]Absence check using 29 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 01:58:14] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-08 01:58:14] [INFO ] [Nat]Absence check using 29 positive place invariants in 3 ms returned sat
[2025-06-08 01:58:14] [INFO ] [Nat]Absence check using 29 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-08 01:58:14] [INFO ] After 186ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-08 01:58:14] [INFO ] After 243ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-08 01:58:14] [INFO ] After 332ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-08 01:58:14] [INFO ] Flatten gal took : 67 ms
[2025-06-08 01:58:15] [INFO ] Flatten gal took : 54 ms
[2025-06-08 01:58:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16501602669551231549.gal : 10 ms
[2025-06-08 01:58:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2597267933664130235.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16501602669551231549.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2597267933664130235.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2597267933664130235.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 570
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :570 after 6653
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6653 after 91603
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :91603 after 184910
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1.33463e+06 after 1.35736e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.35736e+06 after 1.3614e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.3614e+06 after 1.36641e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.93553e+06 after 2.93809e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.93809e+06 after 2.9399e+06
Detected timeout of ITS tools.
[2025-06-08 01:58:30] [INFO ] Flatten gal took : 34 ms
[2025-06-08 01:58:30] [INFO ] Applying decomposition
[2025-06-08 01:58:30] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6764595143724131937.txt' '-o' '/tmp/graph6764595143724131937.bin' '-w' '/tmp/graph6764595143724131937.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6764595143724131937.bin' '-l' '-1' '-v' '-w' '/tmp/graph6764595143724131937.weights' '-q' '0' '-e' '0.001'
[2025-06-08 01:58:30] [INFO ] Decomposing Gal with order
[2025-06-08 01:58:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-08 01:58:30] [INFO ] Removed a total of 1230 redundant transitions.
[2025-06-08 01:58:30] [INFO ] Flatten gal took : 140 ms
[2025-06-08 01:58:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 28 labels/synchronizations in 27 ms.
[2025-06-08 01:58:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7507180374057778070.gal : 10 ms
[2025-06-08 01:58:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16560431584279112071.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7507180374057778070.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16560431584279112071.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16560431584279112071.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 411
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :411 after 6056
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6056 after 6147
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6147 after 154740
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :154740 after 1.36248e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.36248e+06 after 1.36739e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.36739e+06 after 2.9399e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.9399e+06 after 4.52496e+06
Reachability property CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 1025 fixpoint passes
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\_mod\_flat,5.4402e+07,3.65803,58808,143,17789,1142,175890,519,930,689,221229,0
Total reachable state count : 54401987

Verifying 1 reachability properties.
Reachability property CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09 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
CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09,22473,5.55881,58808,38,943,1142,175890,1036,930,750,221229,0
Over-approximation ignoring read arcs solved 0 properties in 21808 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-08 01:58:36] [INFO ] Flatten gal took : 35 ms
[2025-06-08 01:58:36] [INFO ] Applying decomposition
[2025-06-08 01:58:36] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8764087552145254840.txt' '-o' '/tmp/graph8764087552145254840.bin' '-w' '/tmp/graph8764087552145254840.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8764087552145254840.bin' '-l' '-1' '-v' '-w' '/tmp/graph8764087552145254840.weights' '-q' '0' '-e' '0.001'
[2025-06-08 01:58:36] [INFO ] Decomposing Gal with order
[2025-06-08 01:58:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-08 01:58:36] [INFO ] Removed a total of 1678 redundant transitions.
[2025-06-08 01:58:36] [INFO ] Flatten gal took : 220 ms
[2025-06-08 01:58:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 952 labels/synchronizations in 63 ms.
[2025-06-08 01:58:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17966624832563416091.gal : 7 ms
[2025-06-08 01:58:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5561439355852123479.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17966624832563416091.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5561439355852123479.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5561439355852123479.prop.
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\_mod\_flat,3.45513e+08,163.59,2609228,2283,15549,486139,1.06703e+07,1256,1.26905e+06,770,2.65587e+07,0
Total reachable state count : 345513308

Verifying 1 reachability properties.
Reachability property CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09 is true.
FORMULA CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CopsAndRobbers-PT-KFL028N008K002X005-ReachabilityFireability-2025-09,32396,163.919,2609228,30,755,486139,1.06703e+07,1495,1.26905e+06,842,2.65587e+07,29671
All properties solved without resorting to model-checking.
Total runtime 300170 ms.

BK_STOP 1749348081159

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="CopsAndRobbers-PT-KFL028N008K002X005"
export BK_EXAMINATION="ReachabilityFireability"
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 CopsAndRobbers-PT-KFL028N008K002X005, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-174931339500247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL028N008K002X005.tgz
mv CopsAndRobbers-PT-KFL028N008K002X005 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;