Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r160-tall-177961080100368.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is HealthRecord-PT-07, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080100368
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 6.1K Mar 7 13:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 13:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 13:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 13:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 13:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 45K Mar 7 13:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 7 13:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 7 13:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:42 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 67K 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 1779702870285

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HealthRecord-PT-07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 09:54:31] [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 09:54:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:54:31] [INFO ] Load time of PNML (sax parser for PT used): 79 ms
[2026-05-25 09:54:31] [INFO ] Transformed 155 places.
[2026-05-25 09:54:31] [INFO ] Transformed 320 transitions.
[2026-05-25 09:54:31] [INFO ] Found NUPN structural information;
[2026-05-25 09:54:31] [INFO ] Parsed PT model containing 155 places and 320 transitions and 839 arcs in 169 ms.
Graph (trivial) has 262 edges and 155 vertex of which 14 / 155 are part of one of the 7 SCC in 2 ms
Free SCC test removed 7 places
Structural test allowed to assert that 32 places are NOT stable. Took 19 ms.
Ensure Unique test removed 32 transitions
Reduce redundant transitions removed 32 transitions.
[2026-05-25 09:54:32] [INFO ] Flatten gal took : 156 ms
RANDOM walk for 40000 steps (3101 resets) in 2033 ms. (19 steps per ms) remains 47/123 properties
[2026-05-25 09:54:32] [INFO ] Flatten gal took : 30 ms
BEST_FIRST walk for 4003 steps (39 resets) in 19 ms. (200 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (43 resets) in 22 ms. (174 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (38 resets) in 18 ms. (210 steps per ms) remains 47/47 properties
[2026-05-25 09:54:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17507340109430227314.gal : 17 ms
BEST_FIRST walk for 4002 steps (41 resets) in 34 ms. (114 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (41 resets) in 62 ms. (63 steps per ms) remains 44/47 properties
[2026-05-25 09:54:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6555555855323004284.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/ReachabilityCardinality17507340109430227314.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6555555855323004284.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4002 steps (40 resets) in 17 ms. (222 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (40 resets) in 11 ms. (333 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (37 resets) in 18 ms. (210 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (41 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (40 resets) in 17 ms. (222 steps per ms) remains 44/44 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 ...329
BEST_FIRST walk for 4003 steps (35 resets) in 18 ms. (210 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (41 resets) in 21 ms. (182 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (40 resets) in 16 ms. (235 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (41 resets) in 16 ms. (235 steps per ms) remains 44/44 properties
Loading property file /tmp/ReachabilityCardinality6555555855323004284.prop.
BEST_FIRST walk for 4004 steps (39 resets) in 14 ms. (266 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (39 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (40 resets) in 15 ms. (250 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (43 resets) in 12 ms. (307 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (40 resets) in 10 ms. (364 steps per ms) remains 44/44 properties
SDD proceeding with computation,47 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,47 properties remain. new max is 8
SDD size :3 after 10
SDD proceeding with computation,47 properties remain. new max is 16
SDD size :10 after 82
BEST_FIRST walk for 4004 steps (40 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
SDD proceeding with computation,47 properties remain. new max is 32
SDD size :82 after 730
BEST_FIRST walk for 4004 steps (38 resets) in 16 ms. (235 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (42 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (40 resets) in 22 ms. (174 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (40 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (38 resets) in 12 ms. (308 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (38 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (41 resets) in 11 ms. (333 steps per ms) remains 44/44 properties
SDD proceeding with computation,47 properties remain. new max is 64
BEST_FIRST walk for 4004 steps (40 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
SDD size :730 after 6562
BEST_FIRST walk for 4004 steps (40 resets) in 10 ms. (364 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (38 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (37 resets) in 12 ms. (307 steps per ms) remains 44/44 properties
SDD proceeding with computation,47 properties remain. new max is 128
SDD size :6562 after 8020
BEST_FIRST walk for 4002 steps (39 resets) in 15 ms. (250 steps per ms) remains 44/44 properties
SDD proceeding with computation,47 properties remain. new max is 256
SDD size :8020 after 10936
BEST_FIRST walk for 4004 steps (40 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (39 resets) in 14 ms. (266 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (37 resets) in 12 ms. (307 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (40 resets) in 13 ms. (286 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (40 resets) in 9 ms. (400 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (37 resets) in 9 ms. (400 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (39 resets) in 13 ms. (286 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (40 resets) in 10 ms. (363 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (40 resets) in 16 ms. (235 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (41 resets) in 9 ms. (400 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (40 resets) in 13 ms. (286 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (41 resets) in 13 ms. (286 steps per ms) remains 43/43 properties
[2026-05-25 09:54:32] [INFO ] Flow matrix only has 269 transitions (discarded 19 similar events)
// Phase 1: matrix 269 rows 148 cols
Invariant property smplace_41 does not hold.
Invariant property smplace_30 does not hold.
SDD proceeding with computation,45 properties remain. new max is 256
SDD size :10936 after 50545
[2026-05-25 09:54:32] [INFO ] Computed 18 invariants in 19 ms
[2026-05-25 09:54:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,45 properties remain. new max is 512
SDD size :50545 after 55405
SDD proceeding with computation,45 properties remain. new max is 1024
SDD size :55405 after 65125
Invariant property smplace_117 does not hold.
Invariant property smplace_90 does not hold.
SDD proceeding with computation,43 properties remain. new max is 1024
SDD size :65125 after 186625
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Invariant property smplace_107 does not hold.
Invariant property smplace_82 does not hold.
SDD proceeding with computation,41 properties remain. new max is 1024
SDD size :186625 after 336799
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 2 (OVERLAPS) 51/94 variables, 10/53 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 51/104 constraints. Problems are: Problem set: 2 solved, 41 unsolved
SDD proceeding with computation,41 properties remain. new max is 2048
SDD size :336799 after 509572
SDD proceeding with computation,41 properties remain. new max is 4096
SDD size :509572 after 2.97286e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/104 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 5 (OVERLAPS) 54/148 variables, 8/112 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 54/166 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/148 variables, 0/166 constraints. Problems are: Problem set: 2 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 268/416 variables, 148/314 constraints. Problems are: Problem set: 2 solved, 41 unsolved
Invariant property smplace_128 does not hold.
Invariant property smplace_124 does not hold.
Invariant property smplace_120 does not hold.
Invariant property smplace_116 does not hold.
Invariant property smplace_114 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_85 does not hold.
Invariant property smplace_48 does not hold.
Invariant property smplace_47 does not hold.
Invariant property smplace_46 does not hold.
Invariant property smplace_45 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_27 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_8 does not hold.
Invariant property smplace_7 does not hold.
Invariant property smplace_6 does not hold.
SDD proceeding with computation,19 properties remain. new max is 4096
SDD size :2.97286e+06 after 2.66379e+07
At refinement iteration 9 (INCLUDED_ONLY) 0/416 variables, 0/314 constraints. Problems are: Problem set: 24 solved, 19 unsolved
SDD proceeding with computation,19 properties remain. new max is 8192
SDD size :2.66379e+07 after 2.74537e+07
At refinement iteration 10 (OVERLAPS) 1/417 variables, 1/315 constraints. Problems are: Problem set: 24 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/417 variables, 0/315 constraints. Problems are: Problem set: 24 solved, 19 unsolved
At refinement iteration 12 (OVERLAPS) 0/417 variables, 0/315 constraints. Problems are: Problem set: 24 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 417/417 variables, and 315 constraints, problems are : Problem set: 24 solved, 19 unsolved in 1966 ms.
Refiners :[Domain max(s): 148/148 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 148/148 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 19 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 19/19 constraints. Problems are: Problem set: 24 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/19 constraints. Problems are: Problem set: 24 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 60/79 variables, 10/29 constraints. Problems are: Problem set: 24 solved, 19 unsolved
Invariant property smplace_115 does not hold.
Invariant property smplace_86 does not hold.
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 60/89 constraints. Problems are: Problem set: 26 solved, 17 unsolved
SDD proceeding with computation,17 properties remain. new max is 8192
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :2.74537e+07 after 3.06433e+07
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 22 places in 117 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 37 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 37 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 25 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 37 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 37 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,17 properties remain. new max is 16384
SDD size :3.06433e+07 after 3.36638e+07
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:35] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 38 places in 106 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 41 places in 43 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 16/105 constraints. Problems are: Problem set: 26 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 37 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 37 places in 51 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 2/107 constraints. Problems are: Problem set: 26 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 37 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 3/110 constraints. Problems are: Problem set: 26 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/110 constraints. Problems are: Problem set: 26 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 69/148 variables, 8/118 constraints. Problems are: Problem set: 26 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/148 variables, 69/187 constraints. Problems are: Problem set: 26 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:36] [INFO ] Deduced a trap composed of 37 places in 82 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 30 places in 97 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 37 places in 106 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_135 does not hold.
Invariant property smplace_53 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_15 does not hold.
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :3.36638e+07 after 4.12419e+07
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 30 places in 90 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 39 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 37 places in 116 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 37 places in 90 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 37 places in 64 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:37] [INFO ] Deduced a trap composed of 38 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 38 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 14/201 constraints. Problems are: Problem set: 30 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 30 places in 94 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 38 places in 192 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :4.12419e+07 after 4.6764e+07
[2026-05-25 09:54:38] [INFO ] Deduced a trap composed of 38 places in 317 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:39] [INFO ] Deduced a trap composed of 30 places in 99 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/148 variables, 6/207 constraints. Problems are: Problem set: 30 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:39] [INFO ] Deduced a trap composed of 38 places in 54 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:39] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:39] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 8 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/148 variables, 3/210 constraints. Problems are: Problem set: 30 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:54:39] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 20 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/148 variables, 1/211 constraints. Problems are: Problem set: 30 solved, 13 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/148 variables, 0/211 constraints. Problems are: Problem set: 30 solved, 13 unsolved
At refinement iteration 15 (OVERLAPS) 268/416 variables, 148/359 constraints. Problems are: Problem set: 30 solved, 13 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/416 variables, 13/372 constraints. Problems are: Problem set: 30 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 416/417 variables, and 372 constraints, problems are : Problem set: 30 solved, 13 unsolved in 5051 ms.
Refiners :[Domain max(s): 148/148 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 148/148 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 13/43 constraints, Known Traps: 45/45 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7108ms problems are : Problem set: 30 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 148/148 places, 288/288 transitions.
Graph (complete) has 639 edges and 148 vertex of which 139 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 139 transition count 264
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 24 place count 135 transition count 260
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 24 place count 135 transition count 256
Deduced a syphon composed of 4 places in 1 ms
Ensure Unique test removed 3 places
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 11 rules applied. Total rules applied 35 place count 128 transition count 256
Discarding 68 places :
Symmetric choice reduction at 2 with 68 rule applications. Total rules 103 place count 60 transition count 120
Iterating global reduction 2 with 68 rules applied. Total rules applied 171 place count 60 transition count 120
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 53 transition count 106
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 53 transition count 106
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 194 place count 53 transition count 97
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -26
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 202 place count 49 transition count 123
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 206 place count 49 transition count 119
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 210 place count 49 transition count 115
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 214 place count 45 transition count 115
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 217 place count 45 transition count 112
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 218 place count 45 transition count 111
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 219 place count 44 transition count 111
Applied a total of 219 rules in 139 ms. Remains 44 /148 variables (removed 104) and now considering 111/288 (removed 177) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 44/148 places, 111/288 transitions.
RANDOM walk for 4000000 steps (1211526 resets) in 17546 ms. (227 steps per ms) remains 6/13 properties
Invariant property smplace_119 does not hold.
Invariant property smplace_87 does not hold.
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :4.6764e+07 after 5.35659e+07
BEST_FIRST walk for 4000004 steps (234254 resets) in 3551 ms. (1126 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4000001 steps (233994 resets) in 2801 ms. (1427 steps per ms) remains 3/5 properties
BEST_FIRST walk for 4000003 steps (233752 resets) in 2479 ms. (1612 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000003 steps (234074 resets) in 2369 ms. (1687 steps per ms) remains 3/3 properties
[2026-05-25 09:54:48] [INFO ] Flow matrix only has 100 transitions (discarded 11 similar events)
// Phase 1: matrix 100 rows 44 cols
[2026-05-25 09:54:48] [INFO ] Computed 6 invariants in 1 ms
[2026-05-25 09:54:48] [INFO ] State equation strengthened by 27 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 32/44 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 100/144 variables, 44/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 27/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/144 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/144 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 144/144 variables, and 77 constraints, problems are : Problem set: 0 solved, 3 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 44/44 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 9/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 32/44 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 100/144 variables, 44/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 27/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/144 variables, 3/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/144 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 144/144 variables, and 80 constraints, problems are : Problem set: 0 solved, 3 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 44/44 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 16 ms.
Support contains 1 out of 44 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44/44 places, 111/111 transitions.
Graph (complete) has 183 edges and 44 vertex of which 43 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 43 transition count 108
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 40 transition count 107
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 12 place count 36 transition count 99
Iterating global reduction 2 with 4 rules applied. Total rules applied 16 place count 36 transition count 99
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 18 place count 34 transition count 95
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 34 transition count 95
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 22 place count 32 transition count 87
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 32 transition count 87
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 26 place count 30 transition count 81
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 30 transition count 81
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 36 place count 30 transition count 73
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 3 with 2 rules applied. Total rules applied 38 place count 29 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 40 place count 28 transition count 72
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 41 place count 28 transition count 71
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 42 place count 27 transition count 67
Iterating global reduction 3 with 1 rules applied. Total rules applied 43 place count 27 transition count 67
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 44 place count 26 transition count 63
Iterating global reduction 3 with 1 rules applied. Total rules applied 45 place count 26 transition count 63
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 46 place count 25 transition count 60
Iterating global reduction 3 with 1 rules applied. Total rules applied 47 place count 25 transition count 60
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 51 place count 25 transition count 56
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 52 place count 25 transition count 55
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 53 place count 24 transition count 55
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 62 place count 24 transition count 55
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 70 place count 24 transition count 55
Applied a total of 70 rules in 23 ms. Remains 24 /44 variables (removed 20) and now considering 55/111 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 24/44 places, 55/111 transitions.
Invariant property smplace_140 does not hold.
Invariant property smplace_139 does not hold.
Invariant property smplace_123 does not hold.
Invariant property smplace_88 does not hold.
Invariant property smplace_81 does not hold.
SDD proceeding with computation,6 properties remain. new max is 32768
SDD size :5.35659e+07 after 7.57386e+07
RANDOM walk for 2586813 steps (844401 resets) in 3611 ms. (716 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 125 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS TRIVIAL_UNMARKED_SCC_TEST COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL
Total runtime 18623 ms.

BK_STOP 1779702890277

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="HealthRecord-PT-07"
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 HealthRecord-PT-07, 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 r160-tall-177961080100368"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-07.tgz
mv HealthRecord-PT-07 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 ;