Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400182.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-CRL015X005, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.7K Jun 6 09:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Jun 6 09:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jun 6 08:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Jun 6 08:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 11:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 11:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 11:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 09:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Jun 6 09:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 09:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Jun 6 09:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 11:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 11:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 83K 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-CRL015X005-ReachabilityCardinality-2025-00
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-01
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-02
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-03
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-04
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-05
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-06
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-08
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-09
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-10
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-11
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-12
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-13
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-14
FORMULA_NAME CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1749338513938

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL015X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-06-07 23:21:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 23:21:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 23:21:55] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2025-06-07 23:21:55] [INFO ] Transformed 85 places.
[2025-06-07 23:21:55] [INFO ] Transformed 109 transitions.
[2025-06-07 23:21:55] [INFO ] Parsed PT model containing 85 places and 109 transitions and 504 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2025-06-07 23:21:55] [INFO ] Flatten gal took : 66 ms
RANDOM walk for 40002 steps (12 resets) in 1136 ms. (35 steps per ms) remains 11/16 properties
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-07 23:21:55] [INFO ] Flatten gal took : 27 ms
BEST_FIRST walk for 40000 steps (8 resets) in 232 ms. (171 steps per ms) remains 11/11 properties
[2025-06-07 23:21:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14030750200281716429.gal : 23 ms
[2025-06-07 23:21:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14521768969753246464.prop : 6 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/ReachabilityCardinality14030750200281716429.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14521768969753246464.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 ...330
Loading property file /tmp/ReachabilityCardinality14521768969753246464.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :10 after 121
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :121 after 126
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :126 after 130
BEST_FIRST walk for 40003 steps (9 resets) in 388 ms. (102 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :130 after 3841
BEST_FIRST walk for 40002 steps (10 resets) in 198 ms. (201 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (15 resets) in 309 ms. (129 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 222 ms. (179 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (9 resets) in 155 ms. (256 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (13 resets) in 198 ms. (201 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :3841 after 45313
BEST_FIRST walk for 40003 steps (15 resets) in 152 ms. (261 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40000 steps (9 resets) in 212 ms. (187 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (9 resets) in 198 ms. (201 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (16 resets) in 209 ms. (190 steps per ms) remains 11/11 properties
// Phase 1: matrix 109 rows 85 cols
[2025-06-07 23:21:56] [INFO ] Computed 19 invariants in 13 ms
[2025-06-07 23:21:56] [INFO ] State equation strengthened by 30 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-06 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-10 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-12 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 10/10 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-01 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-02 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-09 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-11 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-11 TRUE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-13 is UNSAT
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 12/85 variables, 8/18 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 1/19 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/19 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 109/194 variables, 85/104 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 30/134 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/134 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/134 constraints. Problems are: Problem set: 9 solved, 2 unsolved
No progress, stopping.
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :45313 after 92827
After SMT solving in domain Real declared 194/194 variables, and 134 constraints, problems are : Problem set: 9 solved, 2 unsolved in 495 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 60/76 variables, 10/10 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/10 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/84 variables, 8/18 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 0/18 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/85 variables, 1/19 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 0/19 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 109/194 variables, 85/104 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 30/134 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 2/136 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 0/136 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/194 variables, 0/136 constraints. Problems are: Problem set: 9 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 136 constraints, problems are : Problem set: 9 solved, 2 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 85/85 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1387ms problems are : Problem set: 9 solved, 2 unsolved
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :92827 after 157979
Parikh walk visited 0 properties in 173 ms.
Support contains 16 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Graph (complete) has 370 edges and 85 vertex of which 75 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.2 ms
Discarding 10 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 74 transition count 108
Applied a total of 3 rules in 27 ms. Remains 74 /85 variables (removed 11) and now considering 108/109 (removed 1) transitions.
Running 78 sub problems to find dead transitions.
// Phase 1: matrix 108 rows 74 cols
[2025-06-07 23:21:58] [INFO ] Computed 18 invariants in 2 ms
[2025-06-07 23:21:58] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 108/177 variables, 69/87 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :157979 after 455288
At refinement iteration 7 (INCLUDED_ONLY) 0/177 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (OVERLAPS) 5/182 variables, 5/122 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:22:05] [INFO ] Deduced a trap along path composed of 5 places in 60 ms of which 10 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/182 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :455288 after 937121
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 123 constraints, problems are : Problem set: 0 solved, 78 unsolved in 12060 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 108/177 variables, 69/87 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :937121 after 1.5809e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/177 variables, 58/175 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/177 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 177/182 variables, and 176 constraints, problems are : Problem set: 0 solved, 78 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 69/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 58/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 32125ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 32135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32180 ms. Remains : 74/85 places, 108/109 transitions.
RANDOM walk for 40011 steps (10 resets) in 357 ms. (111 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (10 resets) in 114 ms. (347 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (21 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-03 does not hold.
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Interrupted probabilistic random walk after 973554 steps, run timeout after 3001 ms. (steps per millisecond=324 ) properties seen :0 out of 2
Probabilistic random walk after 973554 steps, saw 289255 distinct states, run finished after 3005 ms. (steps per millisecond=323 ) properties seen :0
[2025-06-07 23:22:33] [INFO ] Invariant cache hit.
[2025-06-07 23:22:33] [INFO ] State equation strengthened by 30 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) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/38 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/46 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/47 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 90/137 variables, 47/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 12/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 45/182 variables, 27/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 18/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/182 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 122 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 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) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 22/38 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/46 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/47 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 90/137 variables, 47/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 12/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 45/182 variables, 27/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 18/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :1.5809e+06 after 2.80597e+06
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 456ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 16 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 74/74 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 108/108 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2025-06-07 23:22:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:22:34] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-07 23:22:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 23:22:34] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-07 23:22:34] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 23:22:34] [INFO ] Redundant transitions in 2 ms returned []
Running 78 sub problems to find dead transitions.
[2025-06-07 23:22:34] [INFO ] Invariant cache hit.
[2025-06-07 23:22:34] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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,8.3965e+06,38.59,56960,2,19073,18,253817,16,0,595,218984,0
Total reachable state count : 8396499

Verifying 11 reachability properties.
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-01 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-CRL015X005-ReachabilityCardinality-2025-01,0,38.6062,56960,1,0,18,253817,16,0,604,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-02 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-CRL015X005-ReachabilityCardinality-2025-02,0,38.6114,56960,1,0,18,253817,16,0,604,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-03 does not hold.

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-CRL015X005-ReachabilityCardinality-2025-03,1681,38.6119,56960,2,611,18,253817,17,0,606,218984,0
Reachability property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-06 does not hold.
No reachable states exhibit your property : CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-06

At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 78 unsolved
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-CRL015X005-ReachabilityCardinality-2025-06,0,38.6227,56960,1,0,18,253817,17,0,622,218984,0
Reachability property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07 does not hold.
No reachable states exhibit your property : CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-07,0,38.6342,56960,1,0,18,253817,17,0,645,218984,0
Reachability property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-09 does not hold.
No reachable states exhibit your property : CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-09

At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
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-CRL015X005-ReachabilityCardinality-2025-09,0,38.6374,56960,1,0,18,253817,17,0,645,218984,0
Reachability property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-10 does not hold.
No reachable states exhibit your property : CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-10

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-CRL015X005-ReachabilityCardinality-2025-10,0,38.6453,56960,1,0,18,253817,17,0,653,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-11 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-CRL015X005-ReachabilityCardinality-2025-11,0,38.6497,56960,1,0,18,253817,17,0,653,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-12 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-CRL015X005-ReachabilityCardinality-2025-12,0,38.6707,56960,1,0,18,253817,17,0,683,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-13 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-CRL015X005-ReachabilityCardinality-2025-13,0,38.698,56960,1,0,18,253817,17,0,765,218984,0
Invariant property CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-15 is true.
FORMULA CopsAndRobbers-PT-CRL015X005-ReachabilityCardinality-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

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-CRL015X005-ReachabilityCardinality-2025-15,0,38.7252,56960,1,0,18,253817,17,0,782,218984,0
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 108/177 variables, 69/87 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/177 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (OVERLAPS) 5/182 variables, 5/122 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 23:22:41] [INFO ] Deduced a trap along path composed of 5 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/182 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 123 constraints, problems are : Problem set: 0 solved, 78 unsolved in 11869 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 2/69 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 108/177 variables, 69/87 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 30/117 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/177 variables, 58/175 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/177 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 78 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 177/182 variables, and 176 constraints, problems are : Problem set: 0 solved, 78 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 69/74 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 58/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41914ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 41915ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42360 ms. Remains : 74/74 places, 108/108 transitions.
All properties solved without resorting to model-checking.
Total runtime 81445 ms.

BK_STOP 1749338596603

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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-CRL015X005"
export BK_EXAMINATION="ReachabilityCardinality"
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-CRL015X005, examination is ReachabilityCardinality"
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-174931339400182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL015X005.tgz
mv CopsAndRobbers-PT-CRL015X005 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;