Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r279-smll-167863549800272.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is Parking-PT-432, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r279-smll-167863549800272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 8.1K Feb 26 15:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 15:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 26 15:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 15:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 16:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 15:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 15:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 26 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 192K Mar 5 18:23 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678896995156

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-432
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 16:16:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 16:16:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 16:16:38] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2023-03-15 16:16:38] [INFO ] Transformed 529 places.
[2023-03-15 16:16:38] [INFO ] Transformed 785 transitions.
[2023-03-15 16:16:38] [INFO ] Found NUPN structural information;
[2023-03-15 16:16:38] [INFO ] Parsed PT model containing 529 places and 785 transitions and 2329 arcs in 249 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 529/529 places, 785/785 transitions.
Ensure Unique test removed 328 transitions
Reduce isomorphic transitions removed 328 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 344 rules applied. Total rules applied 344 place count 529 transition count 441
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 360 place count 513 transition count 441
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 360 place count 513 transition count 425
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 392 place count 497 transition count 425
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 2 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 440 place count 473 transition count 401
Applied a total of 440 rules in 82 ms. Remains 473 /529 variables (removed 56) and now considering 401/785 (removed 384) transitions.
// Phase 1: matrix 401 rows 473 cols
[2023-03-15 16:16:38] [INFO ] Computed 124 place invariants in 31 ms
[2023-03-15 16:16:39] [INFO ] Implicit Places using invariants in 1020 ms returned [63, 70, 76, 82, 89, 96, 102, 108, 132, 134, 175, 182, 188, 194, 201, 208, 214, 220, 244, 246, 287, 294, 300, 306, 313, 320, 326, 332, 356, 358, 399, 406, 412, 418, 425, 432, 438, 444, 468, 470]
Discarding 40 places :
Implicit Place search using SMT only with invariants took 1062 ms to find 40 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 433/529 places, 401/785 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 72 place count 397 transition count 365
Applied a total of 72 rules in 17 ms. Remains 397 /433 variables (removed 36) and now considering 365/401 (removed 36) transitions.
// Phase 1: matrix 365 rows 397 cols
[2023-03-15 16:16:39] [INFO ] Computed 84 place invariants in 4 ms
[2023-03-15 16:16:39] [INFO ] Implicit Places using invariants in 379 ms returned []
[2023-03-15 16:16:39] [INFO ] Invariant cache hit.
[2023-03-15 16:16:40] [INFO ] State equation strengthened by 156 read => feed constraints.
[2023-03-15 16:16:40] [INFO ] Implicit Places using invariants and state equation in 1026 ms returned []
Implicit Place search using SMT with State Equation took 1407 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 397/529 places, 365/785 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2570 ms. Remains : 397/529 places, 365/785 transitions.
Discarding 128 transitions out of 365. Remains 237
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 91 resets, run finished after 1013 ms. (steps per millisecond=9 ) properties (out of 236) seen :147
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 89) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 89) seen :0
Running SMT prover for 89 properties.
[2023-03-15 16:16:42] [INFO ] Invariant cache hit.
[2023-03-15 16:16:43] [INFO ] [Real]Absence check using 84 positive place invariants in 26 ms returned sat
[2023-03-15 16:16:46] [INFO ] After 4629ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:89
[2023-03-15 16:16:47] [INFO ] [Nat]Absence check using 84 positive place invariants in 26 ms returned sat
[2023-03-15 16:16:51] [INFO ] After 2517ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :89
[2023-03-15 16:16:51] [INFO ] State equation strengthened by 156 read => feed constraints.
[2023-03-15 16:16:54] [INFO ] After 3251ms SMT Verify possible using 156 Read/Feed constraints in natural domain returned unsat :0 sat :89
[2023-03-15 16:16:59] [INFO ] After 8271ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :89
Attempting to minimize the solution found.
Minimization took 3276 ms.
[2023-03-15 16:17:02] [INFO ] After 15857ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :89
Parikh walk visited 32 properties in 22630 ms.
Support contains 108 out of 397 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 397/397 places, 365/365 transitions.
Free-agglomeration rule applied 65 times.
Iterating global reduction 0 with 65 rules applied. Total rules applied 65 place count 397 transition count 300
Reduce places removed 65 places and 0 transitions.
Iterating post reduction 0 with 65 rules applied. Total rules applied 130 place count 332 transition count 300
Applied a total of 130 rules in 92 ms. Remains 332 /397 variables (removed 65) and now considering 300/365 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 332/397 places, 300/365 transitions.
Interrupted random walk after 787631 steps, including 6919 resets, run timeout after 30001 ms. (steps per millisecond=26 ) properties seen 18
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 371 ms. (steps per millisecond=269 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 385 ms. (steps per millisecond=259 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 409 ms. (steps per millisecond=244 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 454 ms. (steps per millisecond=220 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 427 ms. (steps per millisecond=234 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 397 ms. (steps per millisecond=251 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 410 ms. (steps per millisecond=243 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 370 ms. (steps per millisecond=270 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 355 ms. (steps per millisecond=281 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 351 ms. (steps per millisecond=284 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 357 ms. (steps per millisecond=280 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 346 ms. (steps per millisecond=289 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 349 ms. (steps per millisecond=286 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 377 ms. (steps per millisecond=265 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 348 ms. (steps per millisecond=287 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 367 ms. (steps per millisecond=272 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 352 ms. (steps per millisecond=284 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 410 ms. (steps per millisecond=243 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 406 ms. (steps per millisecond=246 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 406 ms. (steps per millisecond=246 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 393 ms. (steps per millisecond=254 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 382 ms. (steps per millisecond=261 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 356 ms. (steps per millisecond=280 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 370 ms. (steps per millisecond=270 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 361 ms. (steps per millisecond=277 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 354 ms. (steps per millisecond=282 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 355 ms. (steps per millisecond=281 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 356 ms. (steps per millisecond=280 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 358 ms. (steps per millisecond=279 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 359 ms. (steps per millisecond=278 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 357 ms. (steps per millisecond=280 ) properties (out of 37) seen :0
Running SMT prover for 37 properties.
// Phase 1: matrix 300 rows 332 cols
[2023-03-15 16:18:09] [INFO ] Computed 84 place invariants in 2 ms
[2023-03-15 16:18:09] [INFO ] [Real]Absence check using 84 positive place invariants in 43 ms returned sat
[2023-03-15 16:18:11] [INFO ] After 1638ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:37
[2023-03-15 16:18:11] [INFO ] [Nat]Absence check using 84 positive place invariants in 25 ms returned sat
[2023-03-15 16:18:12] [INFO ] After 771ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :37
[2023-03-15 16:18:12] [INFO ] State equation strengthened by 197 read => feed constraints.
[2023-03-15 16:18:13] [INFO ] After 833ms SMT Verify possible using 197 Read/Feed constraints in natural domain returned unsat :0 sat :37
[2023-03-15 16:18:14] [INFO ] After 2097ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :37
Attempting to minimize the solution found.
Minimization took 736 ms.
[2023-03-15 16:18:15] [INFO ] After 4229ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :37
Parikh walk visited 4 properties in 3571 ms.
Support contains 66 out of 332 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 332/332 places, 300/300 transitions.
Free-agglomeration rule applied 18 times.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 332 transition count 282
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 36 place count 314 transition count 282
Applied a total of 36 rules in 31 ms. Remains 314 /332 variables (removed 18) and now considering 282/300 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 314/332 places, 282/300 transitions.
Interrupted random walk after 843363 steps, including 3598 resets, run timeout after 30001 ms. (steps per millisecond=28 ) properties seen 0
Incomplete Best-First random walk after 100000 steps, including 39 resets, run finished after 493 ms. (steps per millisecond=202 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 477 ms. (steps per millisecond=209 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 557 ms. (steps per millisecond=179 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 38 resets, run finished after 468 ms. (steps per millisecond=213 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 38 resets, run finished after 467 ms. (steps per millisecond=214 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 608 ms. (steps per millisecond=164 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 38 resets, run finished after 580 ms. (steps per millisecond=172 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 479 ms. (steps per millisecond=208 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 486 ms. (steps per millisecond=205 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 494 ms. (steps per millisecond=202 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 37 resets, run finished after 482 ms. (steps per millisecond=207 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 456 ms. (steps per millisecond=219 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 453 ms. (steps per millisecond=220 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 493 ms. (steps per millisecond=202 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 36 resets, run finished after 538 ms. (steps per millisecond=185 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 527 ms. (steps per millisecond=189 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 490 ms. (steps per millisecond=204 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 100000 steps, including 39 resets, run finished after 497 ms. (steps per millisecond=201 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 510 ms. (steps per millisecond=196 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 522 ms. (steps per millisecond=191 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 38 resets, run finished after 529 ms. (steps per millisecond=189 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 525 ms. (steps per millisecond=190 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 512 ms. (steps per millisecond=195 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 513 ms. (steps per millisecond=194 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 541 ms. (steps per millisecond=184 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 515 ms. (steps per millisecond=194 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 531 ms. (steps per millisecond=188 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 532 ms. (steps per millisecond=187 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 100001 steps, including 37 resets, run finished after 544 ms. (steps per millisecond=183 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 527 ms. (steps per millisecond=189 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 39 resets, run finished after 524 ms. (steps per millisecond=190 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100000 steps, including 35 resets, run finished after 533 ms. (steps per millisecond=187 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 536 ms. (steps per millisecond=186 ) properties (out of 29) seen :0
Running SMT prover for 29 properties.
// Phase 1: matrix 282 rows 314 cols
[2023-03-15 16:19:05] [INFO ] Computed 84 place invariants in 3 ms
[2023-03-15 16:19:06] [INFO ] [Real]Absence check using 84 positive place invariants in 26 ms returned sat
[2023-03-15 16:19:07] [INFO ] After 1763ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:29
[2023-03-15 16:19:08] [INFO ] [Nat]Absence check using 84 positive place invariants in 39 ms returned sat
[2023-03-15 16:19:09] [INFO ] After 960ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :29
[2023-03-15 16:19:09] [INFO ] State equation strengthened by 215 read => feed constraints.
[2023-03-15 16:19:10] [INFO ] After 1000ms SMT Verify possible using 215 Read/Feed constraints in natural domain returned unsat :0 sat :29
[2023-03-15 16:19:11] [INFO ] After 2310ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :29
Attempting to minimize the solution found.
Minimization took 881 ms.
[2023-03-15 16:19:12] [INFO ] After 4941ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :29
Parikh walk visited 4 properties in 1801 ms.
Support contains 50 out of 314 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 314/314 places, 282/282 transitions.
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 314 transition count 274
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 16 place count 306 transition count 274
Applied a total of 16 rules in 29 ms. Remains 306 /314 variables (removed 8) and now considering 274/282 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 306/314 places, 274/282 transitions.
Interrupted random walk after 824741 steps, including 3440 resets, run timeout after 30001 ms. (steps per millisecond=27 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 577 ms. (steps per millisecond=173 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 569 ms. (steps per millisecond=175 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 666 ms. (steps per millisecond=150 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 566 ms. (steps per millisecond=176 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 572 ms. (steps per millisecond=174 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 620 ms. (steps per millisecond=161 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 726 ms. (steps per millisecond=137 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 46 resets, run finished after 972 ms. (steps per millisecond=102 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 44 resets, run finished after 586 ms. (steps per millisecond=170 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 43 resets, run finished after 650 ms. (steps per millisecond=153 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100000 steps, including 44 resets, run finished after 634 ms. (steps per millisecond=157 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 567 ms. (steps per millisecond=176 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 41 resets, run finished after 572 ms. (steps per millisecond=174 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 561 ms. (steps per millisecond=178 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 100001 steps, including 45 resets, run finished after 568 ms. (steps per millisecond=176 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 43 resets, run finished after 586 ms. (steps per millisecond=170 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 573 ms. (steps per millisecond=174 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 40 resets, run finished after 554 ms. (steps per millisecond=180 ) properties (out of 23) seen :1
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 566 ms. (steps per millisecond=176 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 570 ms. (steps per millisecond=175 ) properties (out of 22) seen :0
Incomplete Best-First random walk after 100001 steps, including 42 resets, run finished after 567 ms. (steps per millisecond=176 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 100000 steps, including 46 resets, run finished after 581 ms. (steps per millisecond=172 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 590 ms. (steps per millisecond=169 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 566 ms. (steps per millisecond=176 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 44 resets, run finished after 590 ms. (steps per millisecond=169 ) properties (out of 21) seen :0
Running SMT prover for 21 properties.
// Phase 1: matrix 274 rows 306 cols
[2023-03-15 16:19:59] [INFO ] Computed 84 place invariants in 2 ms
[2023-03-15 16:19:59] [INFO ] [Real]Absence check using 84 positive place invariants in 31 ms returned sat
[2023-03-15 16:20:00] [INFO ] After 1198ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:21
[2023-03-15 16:20:01] [INFO ] [Nat]Absence check using 84 positive place invariants in 35 ms returned sat
[2023-03-15 16:20:02] [INFO ] After 702ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :21
[2023-03-15 16:20:02] [INFO ] State equation strengthened by 223 read => feed constraints.
[2023-03-15 16:20:02] [INFO ] After 711ms SMT Verify possible using 223 Read/Feed constraints in natural domain returned unsat :0 sat :21
[2023-03-15 16:20:03] [INFO ] After 1657ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :21
Attempting to minimize the solution found.
Minimization took 627 ms.
[2023-03-15 16:20:04] [INFO ] After 3564ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :21
Parikh walk visited 4 properties in 1771 ms.
Support contains 34 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 274/274 transitions.
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 306 transition count 266
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 16 place count 298 transition count 266
Applied a total of 16 rules in 30 ms. Remains 298 /306 variables (removed 8) and now considering 266/274 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 298/306 places, 266/274 transitions.
Interrupted random walk after 870880 steps, including 3639 resets, run timeout after 30001 ms. (steps per millisecond=29 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 574 ms. (steps per millisecond=174 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 573 ms. (steps per millisecond=174 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 49 resets, run finished after 577 ms. (steps per millisecond=173 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 570 ms. (steps per millisecond=175 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 52 resets, run finished after 578 ms. (steps per millisecond=173 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 50 resets, run finished after 602 ms. (steps per millisecond=166 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 581 ms. (steps per millisecond=172 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 594 ms. (steps per millisecond=168 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 50 resets, run finished after 565 ms. (steps per millisecond=176 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 100001 steps, including 48 resets, run finished after 545 ms. (steps per millisecond=183 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 570 ms. (steps per millisecond=175 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 46 resets, run finished after 521 ms. (steps per millisecond=191 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 486 ms. (steps per millisecond=205 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 100000 steps, including 49 resets, run finished after 491 ms. (steps per millisecond=203 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 50 resets, run finished after 595 ms. (steps per millisecond=168 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 582 ms. (steps per millisecond=171 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 55 resets, run finished after 584 ms. (steps per millisecond=171 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
// Phase 1: matrix 266 rows 298 cols
[2023-03-15 16:20:45] [INFO ] Computed 84 place invariants in 5 ms
[2023-03-15 16:20:46] [INFO ] [Real]Absence check using 84 positive place invariants in 25 ms returned sat
[2023-03-15 16:20:46] [INFO ] After 764ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-15 16:20:46] [INFO ] [Nat]Absence check using 84 positive place invariants in 28 ms returned sat
[2023-03-15 16:20:47] [INFO ] After 395ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-15 16:20:47] [INFO ] State equation strengthened by 231 read => feed constraints.
[2023-03-15 16:20:47] [INFO ] After 333ms SMT Verify possible using 231 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2023-03-15 16:20:48] [INFO ] After 876ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 290 ms.
[2023-03-15 16:20:48] [INFO ] After 1921ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Parikh walk visited 6 properties in 7403 ms.
Support contains 14 out of 298 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 298/298 places, 266/266 transitions.
Free-agglomeration rule applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 298 transition count 256
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 20 place count 288 transition count 256
Applied a total of 20 rules in 30 ms. Remains 288 /298 variables (removed 10) and now considering 256/266 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 288/298 places, 256/266 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 20521 ms. (steps per millisecond=48 ) properties (out of 7) seen :2
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 4356 ms. (steps per millisecond=229 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 3291 ms. (steps per millisecond=303 ) properties (out of 3) seen :1
Finished Best-First random walk after 4331 steps, including 0 resets, run visited all 2 properties in 11 ms. (steps per millisecond=393 )
Able to resolve query QuasiLiveness after proving 237 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 286131 ms.
ITS solved all properties within timeout

BK_STOP 1678897285189

--------------------
content from stderr:

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="Parking-PT-432"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Parking-PT-432, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r279-smll-167863549800272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-432.tgz
mv Parking-PT-432 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;