About the Execution of Marcie+red for ShieldPPPt-PT-005A
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
5453.476 | 9464.00 | 13810.00 | 25.40 | FFTTFFTFFFFTTFTF | normal |
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.r394-oct2-167903718100598.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is ShieldPPPt-PT-005A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r394-oct2-167903718100598
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 6.3K Feb 25 21:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 25 21:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 21:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 25 21:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 25 21:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 25 21:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 21:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Feb 25 21:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 33K 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 ShieldPPPt-PT-005A-ReachabilityCardinality-00
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-01
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-02
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-03
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-04
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-05
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-06
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-07
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-08
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-09
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-10
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-11
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-12
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-13
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-14
FORMULA_NAME ShieldPPPt-PT-005A-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679524505050
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=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-005A
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 22:35:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 22:35:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:35:08] [INFO ] Load time of PNML (sax parser for PT used): 79 ms
[2023-03-22 22:35:08] [INFO ] Transformed 128 places.
[2023-03-22 22:35:08] [INFO ] Transformed 93 transitions.
[2023-03-22 22:35:08] [INFO ] Found NUPN structural information;
[2023-03-22 22:35:08] [INFO ] Parsed PT model containing 128 places and 93 transitions and 366 arcs in 239 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Finished random walk after 114 steps, including 0 resets, run visited all 9 properties in 37 ms. (steps per millisecond=3 )
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 407 ms.
timeout --kill-after=10s --signal=SIGINT 1m for testing only
Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets
authors: Alex Tovchigrechko (IDD package and CTL model checking)
Martin Schwarick (Symbolic numerical analysis and CSL model checking)
Christian Rohr (Simulative and approximative numerical model checking)
marcie@informatik.tu-cottbus.de
called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode
parse successfull
net created successfully
Net: ShieldPPPt_PT_005A
(NrP: 128 NrTr: 93 NrArc: 366)
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.003sec
net check time: 0m 0.000sec
init dd package: 0m 3.505sec
RS generation: 0m 0.158sec
-> reachability set: #nodes 377 (3.8e+02) #states 2,048,000,000,000,000,001 (18)
starting MCC model checker
--------------------------
checking: EF [~ [p8<=1]]
normalized: E [true U ~ [p8<=1]]
abstracting: (p8<=1)
states: 2,048,000,000,000,000,001 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-00 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: AG [~ [1<=p8]]
normalized: ~ [E [true U 1<=p8]]
abstracting: (1<=p8)
states: 819,200,000,000,000,000 (17)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.028sec
checking: AG [p74<=1]
normalized: ~ [E [true U ~ [p74<=1]]]
abstracting: (p74<=1)
states: 2,048,000,000,000,000,001 (18)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-02 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: EF [~ [p15<=1]]
normalized: E [true U ~ [p15<=1]]
abstracting: (p15<=1)
states: 2,048,000,000,000,000,001 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.000sec
checking: EF [1<=p34]
normalized: E [true U 1<=p34]
abstracting: (1<=p34)
states: 819,200,000,000,000,000 (17)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.013sec
checking: AG [~ [1<=p38]]
normalized: ~ [E [true U 1<=p38]]
abstracting: (1<=p38)
states: 819,200,000,000,000,000 (17)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-15 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.018sec
checking: EF [[[~ [p108<=1] & p111<=1] | 1<=p34]]
normalized: E [true U [1<=p34 | [p111<=1 & ~ [p108<=1]]]]
abstracting: (p108<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p111<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p34)
states: 819,200,000,000,000,000 (17)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-06 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.001sec
checking: EF [~ [[[~ [[[~ [p44<=p15] | 1<=p99] & ~ [p56<=0]]] & p88<=1] & p55<=1]]]
normalized: E [true U ~ [[[~ [[~ [p56<=0] & [1<=p99 | ~ [p44<=p15]]]] & p88<=1] & p55<=1]]]
abstracting: (p55<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p88<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p44<=p15)
states: 1,392,640,000,000,000,001 (18)
abstracting: (1<=p99)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p56<=0)
states: 1,228,800,000,000,000,001 (18)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-03 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.018sec
checking: AG [[[1<=p101 | [p41<=1 | [p94<=p1 & ~ [[p62<=p121 | 1<=p88]]]]] & ~ [1<=p38]]]
normalized: ~ [E [true U ~ [[~ [1<=p38] & [[[~ [[p62<=p121 | 1<=p88]] & p94<=p1] | p41<=1] | 1<=p101]]]]]
abstracting: (1<=p101)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p41<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p94<=p1)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p88)
states: 819,200,000,000,000,000 (17)
abstracting: (p62<=p121)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p38)
states: 819,200,000,000,000,000 (17)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.003sec
checking: EF [~ [[[[~ [p24<=p28] & 1<=p55] | p77<=0] | [[~ [[~ [[[p23<=0 & p56<=p88] & 1<=p116]] | ~ [[p118<=p14 | p13<=1]]]] | 1<=p68] | p83<=1]]]]
normalized: E [true U ~ [[[[~ [[~ [[p118<=p14 | p13<=1]] | ~ [[[p23<=0 & p56<=p88] & 1<=p116]]]] | 1<=p68] | p83<=1] | [[~ [p24<=p28] & 1<=p55] | p77<=0]]]]
abstracting: (p77<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (1<=p55)
states: 409,600,000,000,000,000 (17)
abstracting: (p24<=p28)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p83<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p68)
states: 819,200,000,000,000,000 (17)
abstracting: (1<=p116)
states: 819,200,000,000,000,000 (17)
abstracting: (p56<=p88)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p23<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p13<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p118<=p14)
states: 1,556,480,000,000,000,001 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.003sec
checking: AG [[~ [[[[[[[p35<=p38 & ~ [1<=p88]] & [[p77<=p84 | p60<=1] | ~ [p80<=0]]] | ~ [[[p1<=p99 & p54<=0] | [p19<=1 & 1<=p107]]]] | [[[p86<=p13 & ~ [p94<=p126]] | ~ [[p87<=1 | 1<=p55]]] & [1<=p37 | [p17<=0 & p66<=1]]]] & p82<=0] & 1<=p17]] | [~ [p91<=p39] | p6<=0]]]
normalized: ~ [E [true U ~ [[[p6<=0 | ~ [p91<=p39]] | ~ [[1<=p17 & [p82<=0 & [[[1<=p37 | [p17<=0 & p66<=1]] & [~ [[p87<=1 | 1<=p55]] | [p86<=p13 & ~ [p94<=p126]]]] | [~ [[[p19<=1 & 1<=p107] | [p1<=p99 & p54<=0]]] | [[~ [p80<=0] | [p77<=p84 | p60<=1]] & [p35<=p38 & ~ [1<=p88]]]]]]]]]]]]
abstracting: (1<=p88)
states: 819,200,000,000,000,000 (17)
abstracting: (p35<=p38)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p60<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p77<=p84)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p80<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p54<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p1<=p99)
states: 1,536,000,000,000,000,001 (18)
abstracting: (1<=p107)
states: 819,200,000,000,000,000 (17)
abstracting: (p19<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p94<=p126)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p86<=p13)
states: 1,556,480,000,000,000,001 (18)
abstracting: (1<=p55)
states: 409,600,000,000,000,000 (17)
abstracting: (p87<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p66<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p17<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (1<=p37)
states: 819,200,000,000,000,000 (17)
abstracting: (p82<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (1<=p17)
states: 819,200,000,000,000,000 (17)
abstracting: (p91<=p39)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p6<=0)
states: 1,228,800,000,000,000,001 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-07 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.098sec
checking: EF [[~ [[[[[[~ [p96<=p0] & [[p48<=0 & p120<=p115] | ~ [p95<=1]]] & [p78<=p28 & [[p3<=p126 & p117<=1] | ~ [1<=p48]]]] | p48<=1] | ~ [[[p44<=p49 & [[1<=p112 | 1<=p80] & p46<=p32]] & [p116<=p84 & p14<=1]]]] & [~ [[~ [[1<=p79 | 1<=p102]] | ~ [p73<=0]]] | p41<=1]]] & 1<=p89]]
normalized: E [true U [1<=p89 & ~ [[[p41<=1 | ~ [[~ [p73<=0] | ~ [[1<=p79 | 1<=p102]]]]] & [~ [[[p116<=p84 & p14<=1] & [p44<=p49 & [p46<=p32 & [1<=p112 | 1<=p80]]]]] | [p48<=1 | [[p78<=p28 & [~ [1<=p48] | [p3<=p126 & p117<=1]]] & [[~ [p95<=1] | [p48<=0 & p120<=p115]] & ~ [p96<=p0]]]]]]]]]
abstracting: (p96<=p0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p120<=p115)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p48<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p95<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p117<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p3<=p126)
states: 1,536,000,000,000,000,001 (18)
abstracting: (1<=p48)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p78<=p28)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p48<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p80)
states: 409,600,000,000,000,000 (17)
abstracting: (1<=p112)
states: 819,200,000,000,000,000 (17)
abstracting: (p46<=p32)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p44<=p49)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p14<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p116<=p84)
states: 1,556,480,000,000,000,001 (18)
abstracting: (1<=p102)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p79)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p73<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p41<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p89)
states: 819,200,000,000,000,000 (17)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.006sec
checking: EF [[[[[~ [p69<=0] & p99<=1] & [[1<=p122 | [[~ [[p118<=p54 | p23<=0]] & [[p62<=1 & p79<=0] & ~ [p109<=1]]] & [~ [p99<=1] & [[1<=p36 | p11<=1] | ~ [p26<=p33]]]]] & [[~ [[1<=p55 & [p15<=0 & p86<=p0]]] | [[~ [p15<=0] | ~ [p98<=p29]] & [~ [p97<=p93] | ~ [p35<=p108]]]] & [~ [[[p42<=p10 | p32<=p109] & [p78<=p112 | p47<=p5]]] & p46<=p57]]]] & [p99<=1 & p12<=p111]] | 1<=p34]]
normalized: E [true U [1<=p34 | [[p99<=1 & p12<=p111] & [[[[p46<=p57 & ~ [[[p78<=p112 | p47<=p5] & [p42<=p10 | p32<=p109]]]] & [[[~ [p35<=p108] | ~ [p97<=p93]] & [~ [p98<=p29] | ~ [p15<=0]]] | ~ [[1<=p55 & [p15<=0 & p86<=p0]]]]] & [1<=p122 | [[[~ [p26<=p33] | [1<=p36 | p11<=1]] & ~ [p99<=1]] & [[~ [p109<=1] & [p62<=1 & p79<=0]] & ~ [[p118<=p54 | p23<=0]]]]]] & [p99<=1 & ~ [p69<=0]]]]]]
abstracting: (p69<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p99<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p23<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p118<=p54)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p79<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p62<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p109<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p99<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p11<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p36)
states: 819,200,000,000,000,000 (17)
abstracting: (p26<=p33)
states: 1,433,600,000,000,000,001 (18)
abstracting: (1<=p122)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p86<=p0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p15<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p55)
states: 409,600,000,000,000,000 (17)
abstracting: (p15<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p98<=p29)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p97<=p93)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p35<=p108)
states: 1,802,240,000,000,000,001 (18)
abstracting: (p32<=p109)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p42<=p10)
states: 1,392,640,000,000,000,001 (18)
abstracting: (p47<=p5)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p78<=p112)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p46<=p57)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p12<=p111)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p99<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p34)
states: 819,200,000,000,000,000 (17)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-11 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.195sec
checking: AG [[p0<=1 | [[~ [[~ [[[1<=p45 | p117<=p127] | [[p80<=1 | 1<=p101] | p56<=1]]] | [[[1<=p104 | [1<=p22 & p38<=p51]] | ~ [[1<=p96 & 1<=p51]]] & [p80<=1 | [[1<=p47 & 1<=p121] | [p67<=p121 & 1<=p29]]]]]] | p45<=p44] & [[~ [1<=p102] | ~ [[~ [p31<=0] | [[1<=p110 | 1<=p46] & ~ [p102<=0]]]]] & [~ [[[p20<=p57 | [[p16<=p26 | p29<=p32] | ~ [p63<=1]]] & [[1<=p124 | [p104<=0 & p91<=p31]] | [[p34<=p78 | 1<=p13] | ~ [p3<=1]]]]] | ~ [p91<=p66]]]]]]
normalized: ~ [E [true U ~ [[p0<=1 | [[[~ [p91<=p66] | ~ [[[[~ [p3<=1] | [p34<=p78 | 1<=p13]] | [1<=p124 | [p104<=0 & p91<=p31]]] & [p20<=p57 | [~ [p63<=1] | [p16<=p26 | p29<=p32]]]]]] & [~ [[[~ [p102<=0] & [1<=p110 | 1<=p46]] | ~ [p31<=0]]] | ~ [1<=p102]]] & [p45<=p44 | ~ [[[[p80<=1 | [[p67<=p121 & 1<=p29] | [1<=p47 & 1<=p121]]] & [~ [[1<=p96 & 1<=p51]] | [1<=p104 | [1<=p22 & p38<=p51]]]] | ~ [[[p56<=1 | [p80<=1 | 1<=p101]] | [1<=p45 | p117<=p127]]]]]]]]]]]
abstracting: (p117<=p127)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p45)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p101)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p80<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p56<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p38<=p51)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p22)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p104)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p51)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p96)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p121)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p47)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p29)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p67<=p121)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p80<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p45<=p44)
states: 1,433,600,000,000,000,001 (18)
abstracting: (1<=p102)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p31<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (1<=p46)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p110)
states: 409,600,000,000,000,000 (17)
abstracting: (p102<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p29<=p32)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p16<=p26)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p63<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p20<=p57)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p91<=p31)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p104<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (1<=p124)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p13)
states: 819,200,000,000,000,000 (17)
abstracting: (p34<=p78)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p3<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p91<=p66)
states: 1,556,480,000,000,000,001 (18)
abstracting: (p0<=1)
states: 2,048,000,000,000,000,001 (18)
-> the formula is TRUE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-12 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.011sec
checking: AG [[[[~ [[p119<=1 & ~ [[[1<=p83 & [p56<=p35 | p90<=0]] & [[p55<=p28 & p50<=p20] | [1<=p43 & p81<=0]]]]]] | [~ [1<=p10] | [[p1<=0 | [[[p23<=0 & 1<=p42] & ~ [1<=p21]] | [[p71<=p56 | p98<=p10] & p92<=p45]]] | [[1<=p125 | [[1<=p106 | p76<=0] & p39<=p20]] & ~ [[[1<=p85 | p65<=p112] | ~ [p102<=p7]]]]]]] & ~ [1<=p21]] | [[~ [p116<=0] | [~ [[~ [[1<=p101 & 1<=p44]] | ~ [p85<=0]]] & ~ [[~ [[1<=p82 & p29<=0]] | [p13<=1 & [~ [1<=p23] | [1<=p29 & 1<=p126]]]]]]] | 1<=p46]]]
normalized: ~ [E [true U ~ [[[1<=p46 | [[~ [[[p13<=1 & [[1<=p29 & 1<=p126] | ~ [1<=p23]]] | ~ [[1<=p82 & p29<=0]]]] & ~ [[~ [p85<=0] | ~ [[1<=p101 & 1<=p44]]]]] | ~ [p116<=0]]] | [~ [1<=p21] & [[[[~ [[~ [p102<=p7] | [1<=p85 | p65<=p112]]] & [1<=p125 | [p39<=p20 & [1<=p106 | p76<=0]]]] | [p1<=0 | [[p92<=p45 & [p71<=p56 | p98<=p10]] | [~ [1<=p21] & [p23<=0 & 1<=p42]]]]] | ~ [1<=p10]] | ~ [[p119<=1 & ~ [[[[1<=p43 & p81<=0] | [p55<=p28 & p50<=p20]] & [1<=p83 & [p56<=p35 | p90<=0]]]]]]]]]]]]
abstracting: (p90<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p56<=p35)
states: 1,392,640,000,000,000,001 (18)
abstracting: (1<=p83)
states: 819,200,000,000,000,000 (17)
abstracting: (p50<=p20)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p55<=p28)
states: 1,843,200,000,000,000,001 (18)
abstracting: (p81<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (1<=p43)
states: 819,200,000,000,000,000 (17)
abstracting: (p119<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p10)
states: 409,600,000,000,000,000 (17)
abstracting: (1<=p42)
states: 819,200,000,000,000,000 (17)
abstracting: (p23<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (1<=p21)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p98<=p10)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p71<=p56)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p92<=p45)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p1<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p76<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (1<=p106)
states: 819,200,000,000,000,000 (17)
abstracting: (p39<=p20)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p125)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p65<=p112)
states: 1,802,240,000,000,000,001 (18)
abstracting: (1<=p85)
states: 409,600,000,000,000,000 (17)
abstracting: (p102<=p7)
states: 1,433,600,000,000,000,001 (18)
abstracting: (1<=p21)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p116<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (1<=p44)
states: 819,200,000,000,000,000 (17)
abstracting: (1<=p101)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p85<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p29<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (1<=p82)
states: 819,200,000,000,000,000 (17)
abstracting: (1<=p23)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p126)
states: 1,024,000,000,000,000,000 (18)
abstracting: (1<=p29)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p13<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p46)
states: 1,024,000,000,000,000,000 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-05 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.027sec
checking: EF [[~ [[[[[~ [1<=p41] & [p34<=1 & [~ [1<=p39] & ~ [p2<=p3]]]] | p4<=p49] | [[~ [[[p95<=p33 & p21<=0] | ~ [1<=p21]]] | ~ [[[p60<=0 | p102<=p21] & ~ [p80<=p46]]]] & ~ [[~ [[p84<=1 | 1<=p89]] | [p124<=p37 & p68<=p3]]]]] | [[~ [p117<=p45] & [[~ [[1<=p109 & p26<=p70]] & ~ [p96<=p12]] & p33<=0]] | [p93<=1 & ~ [[1<=p49 | [[p102<=1 & p125<=p53] & p42<=1]]]]]]] & ~ [[[p66<=p95 | [[[[[1<=p15 & p126<=1] & [p106<=p97 | p82<=p54]] | [p23<=p45 | [p66<=1 & p29<=1]]] & 1<=p65] & [[1<=p74 | ~ [1<=p83]] & [~ [[1<=p27 | p112<=p73]] & ~ [[p51<=p40 | p89<=0]]]]]] | p12<=1]]]]
normalized: E [true U [~ [[p12<=1 | [p66<=p95 | [[[~ [[p51<=p40 | p89<=0]] & ~ [[1<=p27 | p112<=p73]]] & [1<=p74 | ~ [1<=p83]]] & [1<=p65 & [[p23<=p45 | [p66<=1 & p29<=1]] | [[p106<=p97 | p82<=p54] & [1<=p15 & p126<=1]]]]]]]] & ~ [[[[p93<=1 & ~ [[1<=p49 | [p42<=1 & [p102<=1 & p125<=p53]]]]] | [[p33<=0 & [~ [p96<=p12] & ~ [[1<=p109 & p26<=p70]]]] & ~ [p117<=p45]]] | [[~ [[[p124<=p37 & p68<=p3] | ~ [[p84<=1 | 1<=p89]]]] & [~ [[~ [p80<=p46] & [p60<=0 | p102<=p21]]] | ~ [[~ [1<=p21] | [p95<=p33 & p21<=0]]]]] | [p4<=p49 | [[p34<=1 & [~ [p2<=p3] & ~ [1<=p39]]] & ~ [1<=p41]]]]]]]]
abstracting: (1<=p41)
states: 819,200,000,000,000,000 (17)
abstracting: (1<=p39)
states: 819,200,000,000,000,000 (17)
abstracting: (p2<=p3)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p34<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p4<=p49)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p21<=0)
states: 1,024,000,000,000,000,001 (18)
abstracting: (p95<=p33)
states: 1,433,600,000,000,000,001 (18)
abstracting: (1<=p21)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p102<=p21)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p60<=0)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p80<=p46)
states: 1,843,200,000,000,000,001 (18)
abstracting: (1<=p89)
states: 819,200,000,000,000,000 (17)
abstracting: (p84<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p68<=p3)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p124<=p37)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p117<=p45)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p26<=p70)
states: 1,536,000,000,000,000,001 (18)
abstracting: (1<=p109)
states: 819,200,000,000,000,000 (17)
abstracting: (p96<=p12)
states: 1,433,600,000,000,000,001 (18)
abstracting: (p33<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p125<=p53)
states: 1,536,000,000,000,000,001 (18)
abstracting: (p102<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p42<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p49)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p93<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p126<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (1<=p15)
states: 409,600,000,000,000,000 (17)
abstracting: (p82<=p54)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p106<=p97)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p29<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p66<=1)
states: 2,048,000,000,000,000,001 (18)
abstracting: (p23<=p45)
states: 1,536,000,000,000,000,001 (18)
abstracting: (1<=p65)
states: 409,600,000,000,000,000 (17)
abstracting: (1<=p83)
states: 819,200,000,000,000,000 (17)
abstracting: (1<=p74)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p112<=p73)
states: 1,638,400,000,000,000,001 (18)
abstracting: (1<=p27)
states: 1,024,000,000,000,000,000 (18)
abstracting: (p89<=0)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p51<=p40)
states: 1,228,800,000,000,000,001 (18)
abstracting: (p66<=p95)
states: 1,638,400,000,000,000,001 (18)
abstracting: (p12<=1)
states: 2,048,000,000,000,000,001 (18)
-> the formula is FALSE
FORMULA ShieldPPPt-PT-005A-ReachabilityCardinality-10 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.013sec
totally nodes used: 399024 (4.0e+05)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 571420 1968990 2540410
used/not used/entry size/cache size: 2260385 64848479 16 1024MB
basic ops cache: hits/miss/sum: 109503 334443 443946
used/not used/entry size/cache size: 653601 16123615 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 6228 18302 24530
used/not used/entry size/cache size: 18285 8370323 32 256MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 66727558
1 364800
2 15363
3 1079
4 59
5 5
6 0
7 0
8 0
9 0
>= 10 0
Total processing time: 0m 5.982sec
BK_STOP 1679524514514
--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok
initing FirstDep: 0m 0.000sec
iterations count:12585 (135), effective:2351 (25)
initing FirstDep: 0m 0.000sec
iterations count:860 (9), effective:132 (1)
iterations count:523 (5), effective:65 (0)
iterations count:1199 (12), effective:192 (2)
iterations count:523 (5), effective:65 (0)
iterations count:473 (5), effective:55 (0)
iterations count:1199 (12), effective:192 (2)
iterations count:1968 (21), effective:351 (3)
iterations count:2089 (22), effective:369 (3)
iterations count:560 (6), effective:74 (0)
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="ShieldPPPt-PT-005A"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is ShieldPPPt-PT-005A, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r394-oct2-167903718100598"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-005A.tgz
mv ShieldPPPt-PT-005A execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;