Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372600118.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Anderson-PT-09, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372600118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.0K Mar 4 18:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 4 18:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 4 18:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 4 18:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Mar 4 18:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 4 18:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 4 18:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 4 18:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 927K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779686799148

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 05:26:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:26:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:26:41] [INFO ] Load time of PNML (sax parser for PT used): 229 ms
[2026-05-25 05:26:41] [INFO ] Transformed 505 places.
[2026-05-25 05:26:41] [INFO ] Transformed 1845 transitions.
[2026-05-25 05:26:41] [INFO ] Found NUPN structural information;
[2026-05-25 05:26:41] [INFO ] Parsed PT model containing 505 places and 1845 transitions and 7092 arcs in 357 ms.
RANDOM walk for 40000 steps (8 resets) in 2815 ms. (14 steps per ms) remains 59/505 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 58/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4002 steps (8 resets) in 30 ms. (129 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 57/58 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 62 ms. (63 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4001 steps (8 resets) in 61 ms. (64 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4001 steps (8 resets) in 24 ms. (160 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 80 ms. (49 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 57/57 properties
[2026-05-25 05:26:42] [INFO ] Flatten gal took : 339 ms
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4001 steps (8 resets) in 36 ms. (108 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 55/57 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 55/55 properties
[2026-05-25 05:26:43] [INFO ] Flatten gal took : 132 ms
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4000 steps (8 resets) in 29 ms. (133 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 46 ms. (85 steps per ms) remains 55/55 properties
[2026-05-25 05:26:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14267013237981449751.gal : 67 ms
BEST_FIRST walk for 4001 steps (8 resets) in 39 ms. (100 steps per ms) remains 55/55 properties
[2026-05-25 05:26:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality867607357249884191.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/ReachabilityCardinality14267013237981449751.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality867607357249884191.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 21 ms. (181 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 55/55 properties

BEST_FIRST walk for 4001 steps (8 resets) in 28 ms. (137 steps per ms) remains 55/55 properties
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 ...328
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 38 ms. (102 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 32 ms. (121 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 55/55 properties
Loading property file /tmp/ReachabilityCardinality867607357249884191.prop.
BEST_FIRST walk for 4001 steps (8 resets) in 31 ms. (125 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 52/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 18 ms. (210 steps per ms) remains 52/52 properties
// Phase 1: matrix 1845 rows 505 cols
[2026-05-25 05:26:43] [INFO ] Computed 21 invariants in 47 ms
[2026-05-25 05:26:43] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,55 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,55 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,55 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,55 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,55 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,55 properties remain. new max is 128
SDD size :19 after 51
SDD proceeding with computation,55 properties remain. new max is 256
SDD size :51 after 68
SDD proceeding with computation,55 properties remain. new max is 512
SDD size :68 after 118
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
SDD proceeding with computation,55 properties remain. new max is 1024
SDD size :118 after 541
At refinement iteration 2 (OVERLAPS) 428/480 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/480 variables, 428/489 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (OVERLAPS) 9/489 variables, 1/490 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/489 variables, 9/499 constraints. Problems are: Problem set: 0 solved, 52 unsolved
SDD proceeding with computation,55 properties remain. new max is 2048
SDD size :541 after 3640
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (OVERLAPS) 16/505 variables, 11/510 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/505 variables, 16/526 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/505 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 52 unsolved
SDD proceeding with computation,55 properties remain. new max is 4096
SDD size :3640 after 24656
At refinement iteration 11 (OVERLAPS) 1845/2350 variables, 505/1031 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2350 variables, 72/1103 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2350/2350 variables, and 1103 constraints, problems are : Problem set: 0 solved, 52 unsolved in 5054 ms.
Refiners :[Domain max(s): 505/505 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 505/505 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 428/480 variables, 9/61 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/480 variables, 428/489 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (OVERLAPS) 9/489 variables, 1/490 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/489 variables, 9/499 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 52 unsolved
SDD proceeding with computation,55 properties remain. new max is 8192
SDD size :24656 after 184109
At refinement iteration 8 (OVERLAPS) 16/505 variables, 11/510 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/505 variables, 16/526 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:53] [INFO ] Deduced a trap composed of 53 places in 755 ms of which 48 ms to minimize.
SMT process timed out in 10344ms, After SMT, problems are : Problem set: 0 solved, 52 unsolved
Fused 52 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 52 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 23 Pre rules applied. Total rules applied 0 place count 505 transition count 1822
Deduced a syphon composed of 23 places in 2 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 46 place count 482 transition count 1822
Discarding 95 places :
Symmetric choice reduction at 0 with 95 rule applications. Total rules 141 place count 387 transition count 575
Iterating global reduction 0 with 95 rules applied. Total rules applied 236 place count 387 transition count 575
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 0 with 98 rules applied. Total rules applied 334 place count 338 transition count 526
Applied a total of 334 rules in 151 ms. Remains 338 /505 variables (removed 167) and now considering 526/1845 (removed 1319) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 338/505 places, 526/1845 transitions.
RANDOM walk for 4000000 steps (8 resets) in 32882 ms. (121 steps per ms) remains 34/52 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1601 ms. (249 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1489 ms. (268 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1466 ms. (272 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1447 ms. (276 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1753 ms. (228 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1781 ms. (224 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1762 ms. (226 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1531 ms. (261 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1736 ms. (230 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400000 steps (8 resets) in 1522 ms. (262 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1463 ms. (273 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1552 ms. (257 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1433 ms. (278 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1495 ms. (267 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1621 ms. (246 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1694 ms. (235 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1528 ms. (261 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1679 ms. (238 steps per ms) remains 33/33 properties
SDD proceeding with computation,55 properties remain. new max is 16384
SDD size :184109 after 993475
BEST_FIRST walk for 400003 steps (8 resets) in 1456 ms. (274 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1582 ms. (252 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1486 ms. (268 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1772 ms. (225 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1863 ms. (214 steps per ms) remains 33/33 properties
BEST_FIRST walk for 400003 steps (8 resets) in 2002 ms. (199 steps per ms) remains 31/33 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1956 ms. (204 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1913 ms. (208 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1546 ms. (258 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1564 ms. (255 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1827 ms. (218 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1506 ms. (265 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1639 ms. (243 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1470 ms. (271 steps per ms) remains 31/31 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1559 ms. (256 steps per ms) remains 31/31 properties
// Phase 1: matrix 526 rows 338 cols
[2026-05-25 05:27:21] [INFO ] Computed 21 invariants in 8 ms
[2026-05-25 05:27:21] [INFO ] State equation strengthened by 72 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) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 288/319 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (OVERLAPS) 9/328 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/328 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (OVERLAPS) 10/338 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (OVERLAPS) 526/864 variables, 338/359 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/864 variables, 72/431 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/864 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (OVERLAPS) 0/864 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Real declared 864/864 variables, and 431 constraints, problems are : Problem set: 0 solved, 31 unsolved in 2330 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 338/338 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 288/319 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 31 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:24] [INFO ] Deduced a trap composed of 267 places in 314 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:27:25] [INFO ] Deduced a trap composed of 259 places in 151 ms of which 31 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/319 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/319 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 4 (OVERLAPS) 9/328 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/328 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 6 (OVERLAPS) 10/338 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 8 (OVERLAPS) 526/864 variables, 338/361 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/864 variables, 72/433 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/864 variables, 31/464 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/864 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 31 unsolved
At refinement iteration 12 (OVERLAPS) 0/864 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 31 unsolved
No progress, stopping.
After SMT solving in domain Int declared 864/864 variables, and 464 constraints, problems are : Problem set: 0 solved, 31 unsolved in 9245 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 338/338 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 31/31 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11623ms problems are : Problem set: 0 solved, 31 unsolved
Parikh walk visited 1 properties in 823 ms.
Support contains 30 out of 338 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 338/338 places, 526/526 transitions.
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 42 place count 317 transition count 505
Applied a total of 42 rules in 29 ms. Remains 317 /338 variables (removed 21) and now considering 505/526 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 317/338 places, 505/526 transitions.
RANDOM walk for 4000000 steps (8 resets) in 28238 ms. (141 steps per ms) remains 27/30 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1358 ms. (294 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1726 ms. (231 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1362 ms. (293 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1794 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1325 ms. (301 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1467 ms. (272 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1461 ms. (273 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1826 ms. (218 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1378 ms. (290 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1687 ms. (236 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1371 ms. (291 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1576 ms. (253 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1369 ms. (291 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1405 ms. (284 steps per ms) remains 26/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1522 ms. (262 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1664 ms. (240 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1467 ms. (272 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1339 ms. (298 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1591 ms. (251 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1342 ms. (297 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1715 ms. (233 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1360 ms. (293 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1529 ms. (261 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1731 ms. (230 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1441 ms. (277 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1564 ms. (255 steps per ms) remains 26/26 properties
// Phase 1: matrix 505 rows 317 cols
[2026-05-25 05:27:58] [INFO ] Computed 21 invariants in 10 ms
[2026-05-25 05:27:58] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 272/298 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/298 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 9/307 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 10/317 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/317 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 505/822 variables, 317/338 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/822 variables, 72/410 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/822 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/822 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 822/822 variables, and 410 constraints, problems are : Problem set: 0 solved, 26 unsolved in 2260 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 317/317 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 272/298 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:28:00] [INFO ] Deduced a trap composed of 265 places in 182 ms of which 27 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/298 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:28:01] [INFO ] Deduced a trap composed of 270 places in 226 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:28:01] [INFO ] Deduced a trap composed of 257 places in 235 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:28:01] [INFO ] Deduced a trap composed of 260 places in 197 ms of which 27 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/298 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/298 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 9/307 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 10/317 variables, 10/25 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:28:02] [INFO ] Deduced a trap composed of 45 places in 189 ms of which 30 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/317 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/317 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 505/822 variables, 317/343 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/822 variables, 72/415 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/822 variables, 26/441 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/822 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 0/822 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 822/822 variables, and 441 constraints, problems are : Problem set: 0 solved, 26 unsolved in 8959 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 317/317 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11243ms problems are : Problem set: 0 solved, 26 unsolved
Parikh walk visited 0 properties in 688 ms.
Support contains 26 out of 317 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 317/317 places, 505/505 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 313 transition count 501
Applied a total of 8 rules in 25 ms. Remains 313 /317 variables (removed 4) and now considering 501/505 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 313/317 places, 501/505 transitions.
SDD proceeding with computation,55 properties remain. new max is 32768
SDD size :993475 after 4.5845e+06
RANDOM walk for 4000000 steps (8 resets) in 27100 ms. (147 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1337 ms. (298 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1792 ms. (223 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1549 ms. (258 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1283 ms. (311 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1561 ms. (256 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1361 ms. (293 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1553 ms. (257 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1501 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1456 ms. (274 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1713 ms. (233 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1324 ms. (301 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1345 ms. (297 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1597 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1352 ms. (295 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1479 ms. (270 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1529 ms. (261 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 2076 ms. (192 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1467 ms. (272 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1545 ms. (258 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1708 ms. (234 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1495 ms. (267 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1531 ms. (261 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400000 steps (8 resets) in 1638 ms. (244 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1346 ms. (296 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1289 ms. (310 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1584 ms. (252 steps per ms) remains 26/26 properties
Finished probabilistic random walk after 871401 steps, run visited all 26 properties in 9924 ms. (steps per millisecond=87 )
Probabilistic random walk after 871401 steps, saw 522520 distinct states, run finished after 9929 ms. (steps per millisecond=87 ) properties seen :26
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 505 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 121504 ms.

BK_STOP 1779686922843

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="Anderson-PT-09"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is Anderson-PT-09, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372600118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-09.tgz
mv Anderson-PT-09 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;