Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r114-smll-171624276100478.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is DNAwalker-PT-14ringLRLarge, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-171624276100478
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 8.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Apr 13 13:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Apr 13 13:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Apr 13 13:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 13 13:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 14 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 135K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-00
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-01
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-02
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-03
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-04
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-05
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-06
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-07
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-08
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-09
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-10
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-11
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-12
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-13
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-14
FORMULA_NAME DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716503623061

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-14ringLRLarge
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202405141337
[2024-05-23 22:33:45] [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]
[2024-05-23 22:33:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 22:33:45] [INFO ] Load time of PNML (sax parser for PT used): 319 ms
[2024-05-23 22:33:45] [INFO ] Transformed 33 places.
[2024-05-23 22:33:45] [INFO ] Transformed 312 transitions.
[2024-05-23 22:33:45] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 523 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 59 ms.
Working with output stream class java.io.PrintStream
[2024-05-23 22:33:46] [INFO ] Flatten gal took : 157 ms
[2024-05-23 22:33:46] [INFO ] Flatten gal took : 79 ms
[2024-05-23 22:33:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5009308582301982635.gal : 50 ms
[2024-05-23 22:33:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13921784218812835962.prop : 17 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5009308582301982635.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13921784218812835962.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13921784218812835962.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :4 after 100
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :100 after 856
Invariant property DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-15 does not hold.
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :856 after 3625
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :3625 after 3755
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :3755 after 6921
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :6921 after 7741
RANDOM walk for 40000 steps (3082 resets) in 3646 ms. (10 steps per ms) remains 11/16 properties
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (196 resets) in 252 ms. (158 steps per ms) remains 11/11 properties
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :7741 after 53217
BEST_FIRST walk for 40003 steps (217 resets) in 618 ms. (64 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (204 resets) in 117 ms. (339 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (233 resets) in 121 ms. (327 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (212 resets) in 77 ms. (512 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (197 resets) in 98 ms. (404 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (236 resets) in 104 ms. (380 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (216 resets) in 343 ms. (116 steps per ms) remains 11/11 properties
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :53217 after 192256
BEST_FIRST walk for 40003 steps (197 resets) in 368 ms. (108 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (232 resets) in 98 ms. (404 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (177 resets) in 261 ms. (152 steps per ms) remains 11/11 properties
[2024-05-23 22:33:47] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2024-05-23 22:33:47] [INFO ] Computed 0 invariants in 12 ms
[2024-05-23 22:33:47] [INFO ] State equation strengthened by 71 read => feed constraints.
Problem DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-13 is UNSAT
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Problem DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-00 is UNSAT
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-05 is UNSAT
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-06 is UNSAT
FORMULA DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 310/343 variables, 33/33 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/343 variables, 70/103 constraints. Problems are: Problem set: 4 solved, 7 unsolved
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :192256 after 483378
At refinement iteration 3 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 1/344 variables, 1/104 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/344 variables, 0/104 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/344 variables, 0/104 constraints. Problems are: Problem set: 4 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 344/344 variables, and 104 constraints, problems are : Problem set: 4 solved, 7 unsolved in 1568 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 7 unsolved
[2024-05-23 22:33:49] [INFO ] Deduced a trap composed of 1 places in 36 ms of which 9 ms to minimize.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/1 constraints. Problems are: Problem set: 4 solved, 7 unsolved
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :483378 after 1.65978e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/344 variables, and 34 constraints, problems are : Problem set: 4 solved, 7 unsolved in 5007 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 0/71 constraints, PredecessorRefiner: 0/11 constraints, Known Traps: 1/1 constraints]
After SMT, in 6848ms problems are : Problem set: 4 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 312/312 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 33 transition count 310
Applied a total of 2 rules in 28 ms. Remains 33 /33 variables (removed 0) and now considering 310/312 (removed 2) transitions.
Running 280 sub problems to find dead transitions.
// Phase 1: matrix 310 rows 33 cols
[2024-05-23 22:33:54] [INFO ] Computed 0 invariants in 8 ms
[2024-05-23 22:33:54] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 12/343 variables, 6/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 6 (OVERLAPS) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 103 constraints, problems are : Problem set: 0 solved, 280 unsolved in 13426 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 280 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 280/377 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (OVERLAPS) 12/343 variables, 6/383 constraints. Problems are: Problem set: 0 solved, 280 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 383 constraints, problems are : Problem set: 0 solved, 280 unsolved in 20054 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 0/0 constraints]
After SMT, in 33956ms problems are : Problem set: 0 solved, 280 unsolved
Search for dead transitions found 0 dead transitions in 33978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34043 ms. Remains : 33/33 places, 310/312 transitions.
RANDOM walk for 40000 steps (3107 resets) in 663 ms. (60 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (213 resets) in 118 ms. (336 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (205 resets) in 102 ms. (388 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (240 resets) in 89 ms. (444 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (212 resets) in 98 ms. (404 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (216 resets) in 202 ms. (197 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (198 resets) in 313 ms. (127 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (224 resets) in 82 ms. (481 steps per ms) remains 7/7 properties
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :1.65978e+06 after 1.65437e+07
Interrupted probabilistic random walk after 778577 steps, run timeout after 3001 ms. (steps per millisecond=259 ) properties seen :0 out of 7
Probabilistic random walk after 778577 steps, saw 109689 distinct states, run finished after 3026 ms. (steps per millisecond=257 ) properties seen :0
[2024-05-23 22:34:32] [INFO ] Invariant cache hit.
[2024-05-23 22:34:32] [INFO ] State equation strengthened by 70 read => feed constraints.
Reachability property DNAwalker-PT-14ringLRLarge-ReachabilityCardinality-2024-14 is true.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 310/343 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/343 variables, 70/103 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 103 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1021 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
[2024-05-23 22:34:33] [INFO ] Deduced a trap composed of 1 places in 78 ms of which 2 ms to minimize.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 34 constraints, problems are : Problem set: 0 solved, 7 unsolved in 45009 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 0/70 constraints, PredecessorRefiner: 0/7 constraints, Known Traps: 1/1 constraints]
After SMT, in 46094ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 310/310 transitions.
Applied a total of 0 rules in 28 ms. Remains 33 /33 variables (removed 0) and now considering 310/310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 33/33 places, 310/310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 310/310 transitions.
Applied a total of 0 rules in 12 ms. Remains 33 /33 variables (removed 0) and now considering 310/310 (removed 0) transitions.
[2024-05-23 22:35:18] [INFO ] Invariant cache hit.
[2024-05-23 22:35:18] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 22:35:18] [INFO ] Invariant cache hit.
[2024-05-23 22:35:18] [INFO ] State equation strengthened by 70 read => feed constraints.
[2024-05-23 22:35:18] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-23 22:35:18] [INFO ] Redundant transitions in 41 ms returned []
Running 280 sub problems to find dead transitions.
[2024-05-23 22:35:18] [INFO ] Invariant cache hit.
[2024-05-23 22:35:18] [INFO ] State equation strengthened by 70 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (OVERLAPS) 12/343 variables, 6/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 6 (OVERLAPS) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 280 unsolved
No progress, stopping.
After SMT solving in domain Real declared 343/343 variables, and 103 constraints, problems are : Problem set: 0 solved, 280 unsolved in 14269 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 280 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 280/377 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 280 unsolved
At refinement iteration 5 (OVERLAPS) 12/343 variables, 6/383 constraints. Problems are: Problem set: 0 solved, 280 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/343 variables, and 383 constraints, problems are : Problem set: 0 solved, 280 unsolved in 30023 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 280/280 constraints, Known Traps: 0/0 constraints]
After SMT, in 44583ms problems are : Problem set: 0 solved, 280 unsolved
Search for dead transitions found 0 dead transitions in 44589ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44842 ms. Remains : 33/33 places, 310/310 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2024-05-23 22:36:03] [INFO ] Flatten gal took : 32 ms
[2024-05-23 22:36:03] [INFO ] Applying decomposition
[2024-05-23 22:36:03] [INFO ] Flatten gal took : 23 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph8566033141673063326.txt' '-o' '/tmp/graph8566033141673063326.bin' '-w' '/tmp/graph8566033141673063326.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph8566033141673063326.bin' '-l' '-1' '-v' '-w' '/tmp/graph8566033141673063326.weights' '-q' '0' '-e' '0.001'
[2024-05-23 22:36:03] [INFO ] Decomposing Gal with order
[2024-05-23 22:36:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 22:36:03] [INFO ] Removed a total of 508 redundant transitions.
[2024-05-23 22:36:03] [INFO ] Flatten gal took : 88 ms
[2024-05-23 22:36:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2024-05-23 22:36:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11295380723999940681.gal : 6 ms
[2024-05-23 22:36:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15261494159809363632.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11295380723999940681.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15261494159809363632.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15261494159809363632.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :4 after 104
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :104 after 840
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :840 after 3677
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :3677 after 4025
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :4025 after 4456
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :4456 after 92108
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :92108 after 187204
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :187204 after 482962
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :482962 after 1.6421e+06
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :1.6421e+06 after 1.59279e+07
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :1.59279e+07 after 3.39799e+07
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :3.39799e+07 after 7.75617e+07
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :7.75617e+07 after 5.47752e+08
Detected timeout of ITS tools.
[2024-05-23 23:06:03] [INFO ] Flatten gal took : 24 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin5636374956604544530
[2024-05-23 23:06:03] [INFO ] Applying decomposition
[2024-05-23 23:06:03] [INFO ] Computing symmetric may disable matrix : 310 transitions.
[2024-05-23 23:06:03] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-23 23:06:03] [INFO ] Flatten gal took : 22 ms
[2024-05-23 23:06:03] [INFO ] Computing symmetric may enable matrix : 310 transitions.
[2024-05-23 23:06:03] [INFO ] Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph6767354781068339129.txt' '-o' '/tmp/graph6767354781068339129.bin' '-w' '/tmp/graph6767354781068339129.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph6767354781068339129.bin' '-l' '-1' '-v' '-w' '/tmp/graph6767354781068339129.weights' '-q' '0' '-e' '0.001'
[2024-05-23 23:06:04] [INFO ] Decomposing Gal with order
[2024-05-23 23:06:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-23 23:06:04] [INFO ] Computing Do-Not-Accords matrix : 310 transitions.
[2024-05-23 23:06:04] [INFO ] Computation of Completed DNA matrix. took 16 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-23 23:06:04] [INFO ] Removed a total of 520 redundant transitions.
[2024-05-23 23:06:04] [INFO ] Flatten gal took : 44 ms
[2024-05-23 23:06:04] [INFO ] Built C files in 150ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5636374956604544530
Running compilation step : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/limit_time.pl' '102' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2024-05-23 23:06:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2024-05-23 23:06:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17153856243629445776.gal : 3 ms
[2024-05-23 23:06:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7304543289280538842.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17153856243629445776.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7304543289280538842.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7304543289280538842.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :4 after 104
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :104 after 840
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :840 after 3677
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :3677 after 4025
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :4025 after 4456
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :4456 after 92108
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :92108 after 187204
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :187204 after 482962
Compilation finished in 1438 ms.
Running link step : cd /tmp/ltsmin5636374956604544530;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202401==true'
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :482962 after 1.6421e+06
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :1.6421e+06 after 1.59279e+07
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202401==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202402==true'
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :1.59279e+07 after 3.39799e+07
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202402==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202403==true'
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202403==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202404==true'
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :3.39799e+07 after 7.75617e+07
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202404==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202407==true'
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202407==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202408==true'
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202408==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202409==true'
WARNING : LTSmin timed out (>73 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202409==true'
Retrying LTSmin with larger timeout 4112 s
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202401==true'
WARNING : LTSmin timed out (>587 s) on command cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202401==true'
Running LTSmin : cd /tmp/ltsmin5636374956604544530;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'DNAwalkerPT14ringLRLargeReachabilityCardinality202402==true'
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :7.75617e+07 after 5.47752e+08

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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="DNAwalker-PT-14ringLRLarge"
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 2-5568"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-14ringLRLarge, 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 r114-smll-171624276100478"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-14ringLRLarge.tgz
mv DNAwalker-PT-14ringLRLarge 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;