Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r604-tall-171774426100219.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsmin
Input is BlocksWorld-PT-08, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r604-tall-171774426100219
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 31M
-rw-r--r-- 1 mcc users 622K Jun 7 06:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.9M Jun 7 06:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 610K Jun 7 06:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 3.3M Jun 7 06:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 28K Jun 7 06:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Jun 7 06:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 446K Jun 7 06:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.8M Jun 7 06:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 7 06:26 NewModel
-rw-r--r-- 1 mcc users 1.4M Jun 7 06:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 5.8M Jun 7 06:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.0M Jun 7 06:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11M Jun 7 06:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 31K Jun 7 06:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 74K Jun 7 06:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Jun 7 06:26 equiv_col
-rw-r--r-- 1 mcc users 3 Jun 7 06:26 instance
-rw-r--r-- 1 mcc users 6 Jun 7 06:26 iscolored
-rw-r--r-- 1 mcc users 1.9M Jun 7 06:26 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 BlocksWorld-PT-08-LTLCardinality-00
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-01
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-02
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-03
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-04
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-05
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-06
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-07
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-08
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-09
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-10
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-11
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-12
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-13
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-14
FORMULA_NAME BlocksWorld-PT-08-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717745731174

Invoking MCC driver with
BK_TOOL=ltsmin
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-00
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-01
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-02
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-03
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-04
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-05
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-06
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-07
FORMULA BlocksWorld-PT-08-LTLCardinality-08 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BlocksWorld-PT-08-LTLCardinality-09 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BlocksWorld-PT-08-LTLCardinality-10 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BlocksWorld-PT-08-LTLCardinality-11 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-12
FORMULA BlocksWorld-PT-08-LTLCardinality-13 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BlocksWorld-PT-08-LTLCardinality-14 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
Could not compute solution for formula : BlocksWorld-PT-08-LTLCardinality-15

BK_STOP 1717747853816

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

mcc2024
ltl formula name BlocksWorld-PT-08-LTLCardinality-00
ltl formula formula --ltl=/tmp/402/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.360 real 0.120 user 0.120 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_0_
ltl formula name BlocksWorld-PT-08-LTLCardinality-01
ltl formula formula --ltl=/tmp/402/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.750 real 0.110 user 0.170 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_1_
ltl formula name BlocksWorld-PT-08-LTLCardinality-02
ltl formula formula --ltl=/tmp/402/ltl_2_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_2_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.840 real 0.140 user 0.150 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_2_
ltl formula name BlocksWorld-PT-08-LTLCardinality-03
ltl formula formula --ltl=/tmp/402/ltl_3_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_3_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_3_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.760 real 0.140 user 0.180 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_3_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_3_
ltl formula name BlocksWorld-PT-08-LTLCardinality-04
ltl formula formula --ltl=/tmp/402/ltl_4_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_4_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_4_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.910 real 0.160 user 0.150 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_4_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_4_
ltl formula name BlocksWorld-PT-08-LTLCardinality-05
ltl formula formula --ltl=/tmp/402/ltl_5_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.730 real 0.120 user 0.150 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_5_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_5_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_5_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_5_
ltl formula name BlocksWorld-PT-08-LTLCardinality-06
ltl formula formula --ltl=/tmp/402/ltl_6_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.140 user 0.100 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_6_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_6_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_6_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_6_
ltl formula name BlocksWorld-PT-08-LTLCardinality-07
ltl formula formula --ltl=/tmp/402/ltl_7_
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.120 user 0.120 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_7_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_7_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_7_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_7_
ltl formula name BlocksWorld-PT-08-LTLCardinality-08
ltl formula formula --ltl=/tmp/402/ltl_8_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.380 real 0.140 user 0.110 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_8_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_8_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_8_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_8_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3788 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~3!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 3
pnml2lts-mc( 0/ 4): unique transitions count: 24
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 1
pnml2lts-mc( 0/ 4): - claim success count: 8
pnml2lts-mc( 0/ 4): - cum. max stack depth: 8
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 8 states 76 transitions, fanout: 9.500
pnml2lts-mc( 0/ 4): Total exploration time 0.000 sec (0.000 sec minimum, 0.000 sec on average)
pnml2lts-mc( 0/ 4): States per second: inf, Transitions per second: inf
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 122.1 B/state, compr.: 1.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-09
ltl formula formula --ltl=/tmp/402/ltl_9_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.130 user 0.130 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_9_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_9_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_9_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_9_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3791 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 1
pnml2lts-mc( 0/ 4): unique states count: 1
pnml2lts-mc( 0/ 4): unique transitions count: 0
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 4
pnml2lts-mc( 0/ 4): - cum. max stack depth: 4
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 4 states 4 transitions, fanout: 1.000
pnml2lts-mc( 0/ 4): Total exploration time 0.000 sec (0.000 sec minimum, 0.000 sec on average)
pnml2lts-mc( 0/ 4): States per second: inf, Transitions per second: inf
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 968.0 B/state, compr.: 12.2%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-10
ltl formula formula --ltl=/tmp/402/ltl_10_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.390 real 0.110 user 0.130 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_10_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_10_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_10_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_10_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3791 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~5!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 11
pnml2lts-mc( 0/ 4): unique transitions count: 64
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 1
pnml2lts-mc( 0/ 4): - claim success count: 15
pnml2lts-mc( 0/ 4): - cum. max stack depth: 15
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 15 states 92 transitions, fanout: 6.133
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.010 sec minimum, 0.010 sec on average)
pnml2lts-mc( 0/ 4): States per second: 1500, Transitions per second: 9200
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 83.1 B/state, compr.: 1.0%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-11
ltl formula formula --ltl=/tmp/402/ltl_11_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.390 real 0.120 user 0.140 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_11_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_11_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_11_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_11_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 0/ 4): There are 1980 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3795 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 7
pnml2lts-mc( 0/ 4): unique states count: 7
pnml2lts-mc( 0/ 4): unique transitions count: 6
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 5
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 13
pnml2lts-mc( 0/ 4): - cum. max stack depth: 8
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 13 states 28 transitions, fanout: 2.154
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.010 sec minimum, 0.010 sec on average)
pnml2lts-mc( 0/ 4): States per second: 1300, Transitions per second: 2800
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 229.7 B/state, compr.: 2.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-12
ltl formula formula --ltl=/tmp/402/ltl_12_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.130 user 0.120 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_12_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_12_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_12_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_12_
pnml2lts-mc( 0/ 4): buchi has 5 states
pnml2lts-mc( 0/ 4): There are 1980 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3796 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 3/ 4): ~2438 levels ~10000 states ~45324 transitions
pnml2lts-mc( 3/ 4): ~4775 levels ~20000 states ~103212 transitions
pnml2lts-mc( 3/ 4): ~9700 levels ~40000 states ~198616 transitions
pnml2lts-mc( 3/ 4): ~19328 levels ~80000 states ~372208 transitions
pnml2lts-mc( 3/ 4): ~39315 levels ~160000 states ~869244 transitions
pnml2lts-mc( 3/ 4): ~79315 levels ~320000 states ~1785472 transitions
pnml2lts-mc( 0/ 4): ~159843 levels ~640000 states ~3674536 transitions
pnml2lts-mc( 1/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 4969
pnml2lts-mc( 0/ 4): unique states count: 740934
pnml2lts-mc( 0/ 4): unique transitions count: 4727216
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 887828
pnml2lts-mc( 0/ 4): - claim success count: 740937
pnml2lts-mc( 0/ 4): - cum. max stack depth: 735918
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 740937 states 4727228 transitions, fanout: 6.380
pnml2lts-mc( 0/ 4): Total exploration time 166.060 sec (165.990 sec minimum, 166.022 sec on average)
pnml2lts-mc( 0/ 4): States per second: 4462, Transitions per second: 28467
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 91.3MB, 26.8 B/state, compr.: 0.3%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 10.0%/100.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 91.3MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-13
ltl formula formula --ltl=/tmp/402/ltl_13_
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.380 real 0.130 user 0.120 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_13_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_13_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_13_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_13_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3795 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 2/ 4): Accepting cycle FOUND at depth ~6!
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 40
pnml2lts-mc( 0/ 4): unique transitions count: 309
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 35
pnml2lts-mc( 0/ 4): - claim success count: 44
pnml2lts-mc( 0/ 4): - cum. max stack depth: 44
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 44 states 338 transitions, fanout: 7.682
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.010 sec minimum, 0.010 sec on average)
pnml2lts-mc( 0/ 4): States per second: 4400, Transitions per second: 33800
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 73.8 B/state, compr.: 0.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-14
ltl formula formula --ltl=/tmp/402/ltl_14_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.120 user 0.130 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_14_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_14_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_14_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_14_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3791 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~6!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 11
pnml2lts-mc( 0/ 4): unique transitions count: 65
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 1
pnml2lts-mc( 0/ 4): - claim success count: 16
pnml2lts-mc( 0/ 4): - cum. max stack depth: 16
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 16 states 101 transitions, fanout: 6.312
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.010 sec minimum, 0.010 sec on average)
pnml2lts-mc( 0/ 4): States per second: 1600, Transitions per second: 10100
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 82.4 B/state, compr.: 1.0%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name BlocksWorld-PT-08-LTLCardinality-15
ltl formula formula --ltl=/tmp/402/ltl_15_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1979 places, 3785 transitions and 18910 arcs
pnml2lts-mc( 0/ 4): Petri net BlocksWorld-PT-08 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.370 real 0.150 user 0.100 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/402/ltl_15_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/402/ltl_15_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/402/ltl_15_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/402/ltl_15_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 1981 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 1980, there are 3792 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~2500 levels ~10000 states ~54396 transitions
pnml2lts-mc( 0/ 4): ~5000 levels ~20000 states ~103624 transitions
pnml2lts-mc( 0/ 4): ~10000 levels ~40000 states ~218152 transitions
pnml2lts-mc( 0/ 4): ~20000 levels ~80000 states ~467284 transitions
pnml2lts-mc( 0/ 4): ~40000 levels ~160000 states ~925692 transitions
pnml2lts-mc( 0/ 4): ~80000 levels ~320000 states ~1851180 transitions
pnml2lts-mc( 2/ 4): ~160000 levels ~640000 states ~3797504 transitions
pnml2lts-mc( 2/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 714974
pnml2lts-mc( 0/ 4): unique transitions count: 4719702
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 865464
pnml2lts-mc( 0/ 4): - claim success count: 714978
pnml2lts-mc( 0/ 4): - cum. max stack depth: 714977
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 714978 states 4719730 transitions, fanout: 6.601
pnml2lts-mc( 0/ 4): Total exploration time 161.750 sec (161.680 sec minimum, 161.717 sec on average)
pnml2lts-mc( 0/ 4): States per second: 4420, Transitions per second: 29179
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 91.4MB, 26.7 B/state, compr.: 0.3%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 10.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 3915 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 91.4MB (~256.0MB paged-in)

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="BlocksWorld-PT-08"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsmin"
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 2-5568"
echo " Executing tool ltsmin"
echo " Input is BlocksWorld-PT-08, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r604-tall-171774426100219"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-08.tgz
mv BlocksWorld-PT-08 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;