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.r297-tall-167873950200281.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is PhilosophersDyn-COL-10, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950200281
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 8.2K Feb 26 12:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 12:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 12:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 12:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 12:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 26 12:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K Feb 26 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 32K 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

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

=== Now, execution of the tool begins

BK_START 1679480271306

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=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhilosophersDyn-COL-10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 10:17:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 10:17:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 10:17:53] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-22 10:17:53] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 10:17:54] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 746 ms
[2023-03-22 10:17:54] [INFO ] Imported 8 HL places and 7 HL transitions for a total of 170 PT places and 2320.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 19 ms.
[2023-03-22 10:17:54] [INFO ] Built PT skeleton of HLPN with 8 places and 7 transitions 33 arcs in 4 ms.
[2023-03-22 10:17:54] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 16 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 10006 steps, including 682 resets, run finished after 310 ms. (steps per millisecond=32 ) properties (out of 83) seen :23
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 73 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 30 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 30 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 31 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 73 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 33 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 33 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 100 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 35 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 32 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 35 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 32 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 34 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 35 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Running SMT prover for 60 properties.
// Phase 1: matrix 7 rows 8 cols
[2023-03-22 10:17:55] [INFO ] Computed 3 place invariants in 6 ms
[2023-03-22 10:17:55] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-22 10:17:55] [INFO ] After 270ms SMT Verify possible using all constraints in real domain returned unsat :21 sat :0 real:39
[2023-03-22 10:17:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-22 10:17:55] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :59 sat :1
[2023-03-22 10:17:55] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-22 10:17:55] [INFO ] After 2ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :59 sat :1
[2023-03-22 10:17:55] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :59 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-22 10:17:55] [INFO ] After 132ms SMT Verify possible using all constraints in natural domain returned unsat :59 sat :1
Fused 60 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 7/7 transitions.
Applied a total of 0 rules in 8 ms. Remains 8 /8 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-22 10:17:55] [INFO ] Invariant cache hit.
[2023-03-22 10:17:55] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 8/8 places, 7/7 transitions.
Incomplete random walk after 10001 steps, including 724 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 85 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Probably explored full state space saw : 504 states, properties seen :0
Probabilistic random walk after 1609 steps, saw 504 distinct states, run finished after 17 ms. (steps per millisecond=94 ) properties seen :0
Explored full state space saw : 504 states, properties seen :0
Exhaustive walk after 1609 steps, saw 504 distinct states, run finished after 4 ms. (steps per millisecond=402 ) properties seen :0
Successfully simplified 60 atomic propositions for a total of 15 simplifications.
FORMULA PhilosophersDyn-COL-10-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-10-CTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-22 10:17:55] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2023-03-22 10:17:55] [INFO ] Flatten gal took : 28 ms
[2023-03-22 10:17:55] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA PhilosophersDyn-COL-10-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-10-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-10-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-22 10:17:55] [INFO ] Flatten gal took : 3 ms
Domain [Philosopher(10), Philosopher(10)] of place Neighbourhood breaks symmetries in sort Philosopher
[2023-03-22 10:17:55] [INFO ] Unfolded HLPN to a Petri net with 170 places and 2310 transitions 18190 arcs in 59 ms.
[2023-03-22 10:17:55] [INFO ] Unfolded 11 HLPN properties in 0 ms.
Ensure Unique test removed 45 transitions
Reduce redundant transitions removed 45 transitions.
Support contains 170 out of 170 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 2265/2265 transitions.
Applied a total of 0 rules in 30 ms. Remains 170 /170 variables (removed 0) and now considering 2265/2265 (removed 0) transitions.
[2023-03-22 10:17:56] [INFO ] Flow matrix only has 1905 transitions (discarded 360 similar events)
// Phase 1: matrix 1905 rows 170 cols
[2023-03-22 10:17:56] [INFO ] Computed 39 place invariants in 57 ms
[2023-03-22 10:17:56] [INFO ] Dead Transitions using invariants and state equation in 914 ms found 380 transitions.
Found 380 dead transitions using SMT.
Drop transitions removed 380 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 380 transitions.
// Phase 1: matrix 1885 rows 170 cols
[2023-03-22 10:17:56] [INFO ] Computed 39 place invariants in 61 ms
[2023-03-22 10:17:57] [INFO ] Implicit Places using invariants in 122 ms returned []
[2023-03-22 10:17:57] [INFO ] Invariant cache hit.
[2023-03-22 10:17:57] [INFO ] State equation strengthened by 1010 read => feed constraints.
[2023-03-22 10:17:57] [INFO ] Implicit Places using invariants and state equation in 521 ms returned []
Implicit Place search using SMT with State Equation took 645 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/170 places, 1885/2265 transitions.
Applied a total of 0 rules in 16 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1607 ms. Remains : 170/170 places, 1885/2265 transitions.
Support contains 170 out of 170 places after structural reductions.
[2023-03-22 10:17:57] [INFO ] Flatten gal took : 203 ms
[2023-03-22 10:17:58] [INFO ] Flatten gal took : 144 ms
[2023-03-22 10:17:58] [INFO ] Input system was already deterministic with 1885 transitions.
Incomplete random walk after 10000 steps, including 1184 resets, run finished after 632 ms. (steps per millisecond=15 ) properties (out of 40) seen :11
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :0
Running SMT prover for 29 properties.
[2023-03-22 10:17:59] [INFO ] Invariant cache hit.
[2023-03-22 10:17:59] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2023-03-22 10:17:59] [INFO ] [Real]Absence check using 9 positive and 30 generalized place invariants in 10 ms returned sat
[2023-03-22 10:18:00] [INFO ] After 490ms SMT Verify possible using state equation in real domain returned unsat :22 sat :2 real:5
[2023-03-22 10:18:00] [INFO ] State equation strengthened by 1010 read => feed constraints.
[2023-03-22 10:18:11] [INFO ] After 11274ms SMT Verify possible using 1010 Read/Feed constraints in real domain returned unsat :22 sat :0 real:6
[2023-03-22 10:18:11] [INFO ] After 11961ms SMT Verify possible using all constraints in real domain returned unsat :22 sat :0 real:6
[2023-03-22 10:18:11] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-22 10:18:11] [INFO ] [Nat]Absence check using 9 positive and 30 generalized place invariants in 10 ms returned sat
[2023-03-22 10:18:12] [INFO ] After 429ms SMT Verify possible using state equation in natural domain returned unsat :27 sat :2
[2023-03-22 10:18:13] [INFO ] After 999ms SMT Verify possible using 1010 Read/Feed constraints in natural domain returned unsat :27 sat :2
[2023-03-22 10:18:13] [INFO ] After 1298ms SMT Verify possible using trap constraints in natural domain returned unsat :27 sat :2
Attempting to minimize the solution found.
Minimization took 453 ms.
[2023-03-22 10:18:13] [INFO ] After 2266ms SMT Verify possible using all constraints in natural domain returned unsat :27 sat :2
Fused 29 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4 ms.
Support contains 130 out of 170 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 160 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:14] [INFO ] Invariant cache hit.
[2023-03-22 10:18:14] [INFO ] Dead Transitions using invariants and state equation in 757 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 919 ms. Remains : 170/170 places, 1885/1885 transitions.
Incomplete random walk after 10000 steps, including 1192 resets, run finished after 199 ms. (steps per millisecond=50 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 95 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 84 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 268163 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :{}
Probabilistic random walk after 268163 steps, saw 68056 distinct states, run finished after 3002 ms. (steps per millisecond=89 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-22 10:18:18] [INFO ] Invariant cache hit.
[2023-03-22 10:18:18] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-22 10:18:18] [INFO ] [Real]Absence check using 9 positive and 30 generalized place invariants in 10 ms returned sat
[2023-03-22 10:18:18] [INFO ] After 367ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-22 10:18:18] [INFO ] State equation strengthened by 1010 read => feed constraints.
[2023-03-22 10:18:18] [INFO ] After 398ms SMT Verify possible using 1010 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 10:18:18] [INFO ] After 839ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 10:18:18] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-22 10:18:18] [INFO ] [Nat]Absence check using 9 positive and 30 generalized place invariants in 9 ms returned sat
[2023-03-22 10:18:19] [INFO ] After 409ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 10:18:22] [INFO ] After 2687ms SMT Verify possible using 1010 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-22 10:18:22] [INFO ] After 2858ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 105 ms.
[2023-03-22 10:18:22] [INFO ] After 3438ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 3 ms.
Support contains 130 out of 170 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 83 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 170/170 places, 1885/1885 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 129 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:22] [INFO ] Invariant cache hit.
[2023-03-22 10:18:22] [INFO ] Implicit Places using invariants in 177 ms returned []
[2023-03-22 10:18:22] [INFO ] Invariant cache hit.
[2023-03-22 10:18:23] [INFO ] State equation strengthened by 1010 read => feed constraints.
[2023-03-22 10:18:25] [INFO ] Implicit Places using invariants and state equation in 2272 ms returned []
Implicit Place search using SMT with State Equation took 2452 ms to find 0 implicit places.
[2023-03-22 10:18:25] [INFO ] Redundant transitions in 104 ms returned []
[2023-03-22 10:18:25] [INFO ] Invariant cache hit.
[2023-03-22 10:18:25] [INFO ] Dead Transitions using invariants and state equation in 697 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3391 ms. Remains : 170/170 places, 1885/1885 transitions.
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 170 transition count 2685
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 20 place count 160 transition count 2685
Applied a total of 20 rules in 125 ms. Remains 160 /170 variables (removed 10) and now considering 2685/1885 (removed -800) transitions.
Running SMT prover for 2 properties.
[2023-03-22 10:18:25] [INFO ] Flow matrix only has 2595 transitions (discarded 90 similar events)
// Phase 1: matrix 2595 rows 160 cols
[2023-03-22 10:18:26] [INFO ] Computed 39 place invariants in 45 ms
[2023-03-22 10:18:26] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-22 10:18:26] [INFO ] [Real]Absence check using 9 positive and 30 generalized place invariants in 9 ms returned sat
[2023-03-22 10:18:26] [INFO ] After 526ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-22 10:18:26] [INFO ] State equation strengthened by 100 read => feed constraints.
[2023-03-22 10:18:26] [INFO ] After 226ms SMT Verify possible using 100 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 10:18:26] [INFO ] After 824ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 10:18:26] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-22 10:18:26] [INFO ] [Nat]Absence check using 9 positive and 30 generalized place invariants in 9 ms returned sat
[2023-03-22 10:18:27] [INFO ] After 591ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 10:18:29] [INFO ] After 1972ms SMT Verify possible using 100 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-22 10:18:29] [INFO ] After 2164ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 121 ms.
[2023-03-22 10:18:29] [INFO ] After 2941ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Successfully simplified 27 atomic propositions for a total of 10 simplifications.
[2023-03-22 10:18:29] [INFO ] Flatten gal took : 102 ms
[2023-03-22 10:18:30] [INFO ] Flatten gal took : 106 ms
[2023-03-22 10:18:30] [INFO ] Input system was already deterministic with 1885 transitions.
FORMULA PhilosophersDyn-COL-10-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 11 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
// Phase 1: matrix 1885 rows 170 cols
[2023-03-22 10:18:30] [INFO ] Computed 39 place invariants in 40 ms
[2023-03-22 10:18:31] [INFO ] Dead Transitions using invariants and state equation in 803 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 826 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:31] [INFO ] Flatten gal took : 103 ms
[2023-03-22 10:18:31] [INFO ] Flatten gal took : 97 ms
[2023-03-22 10:18:31] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 10 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:31] [INFO ] Invariant cache hit.
[2023-03-22 10:18:32] [INFO ] Dead Transitions using invariants and state equation in 701 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 713 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:32] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:32] [INFO ] Flatten gal took : 110 ms
[2023-03-22 10:18:32] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 9 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:32] [INFO ] Invariant cache hit.
[2023-03-22 10:18:33] [INFO ] Dead Transitions using invariants and state equation in 745 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 756 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:33] [INFO ] Flatten gal took : 77 ms
[2023-03-22 10:18:33] [INFO ] Flatten gal took : 82 ms
[2023-03-22 10:18:33] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 7 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:33] [INFO ] Invariant cache hit.
[2023-03-22 10:18:34] [INFO ] Dead Transitions using invariants and state equation in 782 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 790 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:34] [INFO ] Flatten gal took : 75 ms
[2023-03-22 10:18:34] [INFO ] Flatten gal took : 84 ms
[2023-03-22 10:18:34] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 138 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:35] [INFO ] Invariant cache hit.
[2023-03-22 10:18:35] [INFO ] Dead Transitions using invariants and state equation in 702 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 843 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:35] [INFO ] Flatten gal took : 74 ms
[2023-03-22 10:18:35] [INFO ] Flatten gal took : 81 ms
[2023-03-22 10:18:36] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 4 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:36] [INFO ] Invariant cache hit.
[2023-03-22 10:18:36] [INFO ] Dead Transitions using invariants and state equation in 719 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 727 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:36] [INFO ] Flatten gal took : 75 ms
[2023-03-22 10:18:36] [INFO ] Flatten gal took : 80 ms
[2023-03-22 10:18:37] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 7 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:37] [INFO ] Invariant cache hit.
[2023-03-22 10:18:37] [INFO ] Dead Transitions using invariants and state equation in 689 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 699 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:37] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:37] [INFO ] Flatten gal took : 81 ms
[2023-03-22 10:18:38] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 5 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:38] [INFO ] Invariant cache hit.
[2023-03-22 10:18:38] [INFO ] Dead Transitions using invariants and state equation in 672 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 693 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:38] [INFO ] Flatten gal took : 74 ms
[2023-03-22 10:18:39] [INFO ] Flatten gal took : 83 ms
[2023-03-22 10:18:39] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 4 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:39] [INFO ] Invariant cache hit.
[2023-03-22 10:18:39] [INFO ] Dead Transitions using invariants and state equation in 702 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 710 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:39] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:40] [INFO ] Flatten gal took : 81 ms
[2023-03-22 10:18:40] [INFO ] Input system was already deterministic with 1885 transitions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 1885/1885 transitions.
Applied a total of 0 rules in 5 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
[2023-03-22 10:18:40] [INFO ] Invariant cache hit.
[2023-03-22 10:18:40] [INFO ] Dead Transitions using invariants and state equation in 707 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 715 ms. Remains : 170/170 places, 1885/1885 transitions.
[2023-03-22 10:18:41] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:41] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:41] [INFO ] Input system was already deterministic with 1885 transitions.
[2023-03-22 10:18:41] [INFO ] Flatten gal took : 78 ms
[2023-03-22 10:18:41] [INFO ] Flatten gal took : 84 ms
[2023-03-22 10:18:41] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 3 ms.
[2023-03-22 10:18:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 170 places, 1885 transitions and 14300 arcs took 14 ms.
Total runtime 48162 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --ctl=/tmp/569/ctl_0_ --ctl=/tmp/569/ctl_1_ --ctl=/tmp/569/ctl_2_ --ctl=/tmp/569/ctl_3_ --ctl=/tmp/569/ctl_4_ --ctl=/tmp/569/ctl_5_ --ctl=/tmp/569/ctl_6_ --ctl=/tmp/569/ctl_7_ --ctl=/tmp/569/ctl_8_ --ctl=/tmp/569/ctl_9_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 15785604 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16094172 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 CTLCardinality -timeout 360 -rebuildPNML
mcc2023

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="PhilosophersDyn-COL-10"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is PhilosophersDyn-COL-10, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r297-tall-167873950200281"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-COL-10.tgz
mv PhilosophersDyn-COL-10 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;