Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
...................
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.7K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 34K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 69K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 205K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 6.8K May 26 09:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 26 09:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.8K May 26 09:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 31K May 26 09:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 31K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 121 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 359 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 72K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 216K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.3K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:49 equiv_col
-rw-r--r-- 1 mcc users 10 May 15 18:49 instance
-rw-r--r-- 1 mcc users 6 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 1.5M May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool ltsmin
Input is BridgeAndVehicles-PT-V50P20N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r221-ebro-152732363400090
=====================================================================

--------------------
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 BridgeAndVehicles-PT-V50P20N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P20N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1527489215485

FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-00 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-01 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-02 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-03 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-04 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-05 CANNOT_COMPUTE
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-06 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-07 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-08 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-09 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-10 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-11 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-12 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-13 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-14 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-PT-V50P20N10-LTLFireability-15 CANNOT_COMPUTE

BK_STOP 1527490373307

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

mcc2018
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-00
ltl formula formula --ltl=/tmp/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.420 real 0.240 user 0.240 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/ltl_0_
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-01
ltl formula formula --ltl=/tmp/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.450 real 0.320 user 0.260 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_1_
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-02
ltl formula formula --ltl=/tmp/ltl_2_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.180 real 0.260 user 0.160 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_2_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1331 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~426!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 768
pnml2lts-mc( 0/ 4): unique states count: 1969
pnml2lts-mc( 0/ 4): unique transitions count: 5869
pnml2lts-mc( 0/ 4): - self-loop count: 2
pnml2lts-mc( 0/ 4): - claim dead count: 351
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1973
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1223
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1973 states 5895 transitions, fanout: 2.988
pnml2lts-mc( 0/ 4): Total exploration time 0.200 sec (0.200 sec minimum, 0.200 sec on average)
pnml2lts-mc( 0/ 4): States per second: 9865, Transitions per second: 29475
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 25.1 B/state, compr.: 4.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-03
ltl formula formula --ltl=/tmp/ltl_3_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.190 real 0.280 user 0.170 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/ltl_3_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1329 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4): ~129 levels ~10000 states ~16156 transitions
pnml2lts-mc( 1/ 4): ~129 levels ~20000 states ~35948 transitions
pnml2lts-mc( 1/ 4): ~129 levels ~40000 states ~76076 transitions
pnml2lts-mc( 1/ 4): ~129 levels ~80000 states ~188068 transitions
pnml2lts-mc( 1/ 4): ~160 levels ~160000 states ~417412 transitions
pnml2lts-mc( 1/ 4): ~160 levels ~320000 states ~961524 transitions
pnml2lts-mc( 1/ 4): ~187 levels ~640000 states ~2089584 transitions
pnml2lts-mc( 3/ 4): ~157 levels ~1280000 states ~4454816 transitions
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 2/ 4): Accepting cycle FOUND at depth ~435!
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 1322288
pnml2lts-mc( 0/ 4): unique states count: 1323367
pnml2lts-mc( 0/ 4): unique transitions count: 4521901
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 3516410
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1480491
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1420
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1480491 states 5076671 transitions, fanout: 3.429
pnml2lts-mc( 0/ 4): Total exploration time 50.830 sec (50.830 sec minimum, 50.830 sec on average)
pnml2lts-mc( 0/ 4): States per second: 29126, Transitions per second: 99875
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 12.7MB, 10.1 B/state, compr.: 1.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 12.7MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-04
ltl formula formula --ltl=/tmp/ltl_4_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.260 user 0.220 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_4_
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-05
ltl formula formula --ltl=/tmp/ltl_5_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.400 real 0.280 user 0.310 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_5_
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-06
ltl formula formula --ltl=/tmp/ltl_6_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.530 real 0.340 user 0.340 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_6_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1331 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~422!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 2
pnml2lts-mc( 0/ 4): unique states count: 1391
pnml2lts-mc( 0/ 4): unique transitions count: 3534
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 1
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1460
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1457
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1460 states 3645 transitions, fanout: 2.497
pnml2lts-mc( 0/ 4): Total exploration time 0.340 sec (0.330 sec minimum, 0.335 sec on average)
pnml2lts-mc( 0/ 4): States per second: 4294, Transitions per second: 10721
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 45.8 B/state, compr.: 8.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-07
ltl formula formula --ltl=/tmp/ltl_7_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.230 real 0.270 user 0.210 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_7_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1330 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4): ~103 levels ~10000 states ~16200 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 10254
pnml2lts-mc( 0/ 4): unique states count: 10254
pnml2lts-mc( 0/ 4): unique transitions count: 15252
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 9812
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 15304
pnml2lts-mc( 0/ 4): - cum. max stack depth: 402
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 15304 states 26655 transitions, fanout: 1.742
pnml2lts-mc( 0/ 4): Total exploration time 0.930 sec (0.920 sec minimum, 0.925 sec on average)
pnml2lts-mc( 0/ 4): States per second: 16456, Transitions per second: 28661
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 10.9 B/state, compr.: 2.1%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-08
ltl formula formula --ltl=/tmp/ltl_8_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.250 user 0.200 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_8_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1330 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4):
pnml2lts-mc( 1/ 4): Accepting cycle FOUND at depth ~422!
pnml2lts-mc( 1/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1465
pnml2lts-mc( 0/ 4): unique transitions count: 3536
pnml2lts-mc( 0/ 4): - self-loop count: 2
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1561
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1561
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1561 states 3690 transitions, fanout: 2.364
pnml2lts-mc( 0/ 4): Total exploration time 0.170 sec (0.170 sec minimum, 0.170 sec on average)
pnml2lts-mc( 0/ 4): States per second: 9182, Transitions per second: 21706
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 39.7 B/state, compr.: 7.7%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-09
ltl formula formula --ltl=/tmp/ltl_9_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.190 real 0.290 user 0.160 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_9_
pnml2lts-mc( 0/ 4): buchi has 7 states
pnml2lts-mc( 0/ 4): There are 128 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1345 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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 ~425!
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1578
pnml2lts-mc( 0/ 4): unique transitions count: 3729
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1582
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1582
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1582 states 3745 transitions, fanout: 2.367
pnml2lts-mc( 0/ 4): Total exploration time 0.170 sec (0.170 sec minimum, 0.170 sec on average)
pnml2lts-mc( 0/ 4): States per second: 9306, Transitions per second: 22029
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 35.9 B/state, compr.: 6.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-10
ltl formula formula --ltl=/tmp/ltl_10_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.210 real 0.250 user 0.210 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/ltl_10_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1331 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4):
pnml2lts-mc( 1/ 4): Accepting cycle FOUND at depth ~422!
pnml2lts-mc( 1/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1398
pnml2lts-mc( 0/ 4): unique transitions count: 6627
pnml2lts-mc( 0/ 4): - self-loop count: 2
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1403
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1403
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1403 states 6661 transitions, fanout: 4.748
pnml2lts-mc( 0/ 4): Total exploration time 0.220 sec (0.220 sec minimum, 0.220 sec on average)
pnml2lts-mc( 0/ 4): States per second: 6377, Transitions per second: 30277
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.2MB, 30.4 B/state, compr.: 5.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.2MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-11
ltl formula formula --ltl=/tmp/ltl_11_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.230 user 0.210 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/ltl_11_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1336 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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 ~422!
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1581
pnml2lts-mc( 0/ 4): unique transitions count: 3471
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1662
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1662
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1662 states 3603 transitions, fanout: 2.168
pnml2lts-mc( 0/ 4): Total exploration time 0.160 sec (0.160 sec minimum, 0.160 sec on average)
pnml2lts-mc( 0/ 4): States per second: 10388, Transitions per second: 22519
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 38.4 B/state, compr.: 7.4%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-12
ltl formula formula --ltl=/tmp/ltl_12_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.270 user 0.210 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_12_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): There are 128 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1338 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~422!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1401
pnml2lts-mc( 0/ 4): unique transitions count: 3278
pnml2lts-mc( 0/ 4): - self-loop count: 2
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1670
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1670
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1670 states 3684 transitions, fanout: 2.206
pnml2lts-mc( 0/ 4): Total exploration time 0.180 sec (0.180 sec minimum, 0.180 sec on average)
pnml2lts-mc( 0/ 4): States per second: 9278, Transitions per second: 20467
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 46.0 B/state, compr.: 8.9%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-13
ltl formula formula --ltl=/tmp/ltl_13_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.180 real 0.300 user 0.140 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/ltl_13_
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1330 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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 ~422!
pnml2lts-mc( 2/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1562
pnml2lts-mc( 0/ 4): unique transitions count: 4467
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1571
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1571
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1571 states 4498 transitions, fanout: 2.863
pnml2lts-mc( 0/ 4): Total exploration time 0.210 sec (0.210 sec minimum, 0.210 sec on average)
pnml2lts-mc( 0/ 4): States per second: 7481, Transitions per second: 21419
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.2MB, 40.6 B/state, compr.: 7.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.2MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-14
ltl formula formula --ltl=/tmp/ltl_14_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.490 real 0.340 user 0.320 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_14_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): There are 128 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1336 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~425!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 1391
pnml2lts-mc( 0/ 4): unique transitions count: 7179
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 1395
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1395
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 1395 states 7198 transitions, fanout: 5.160
pnml2lts-mc( 0/ 4): Total exploration time 0.990 sec (0.980 sec minimum, 0.988 sec on average)
pnml2lts-mc( 0/ 4): States per second: 1409, Transitions per second: 7271
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.2MB, 25.7 B/state, compr.: 5.0%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 1356 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.2MB (~8192.0MB paged-in)
ltl formula name BridgeAndVehicles-PT-V50P20N10-LTLFireability-15
ltl formula formula --ltl=/tmp/ltl_15_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
pnml2lts-mc( 0/ 4): Petri net has 128 places, 1328 transitions and 10010 arcs
pnml2lts-mc( 0/ 4): Petri net BridgeAndVehicles-PT-V50P20N10 analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.200 real 0.260 user 0.220 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/ltl_15_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 129, there are 1329 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^30 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): ~137 levels ~10000 states ~18084 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~20000 states ~44752 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~40000 states ~108856 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~80000 states ~228300 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~160000 states ~513748 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~320000 states ~1059388 transitions
pnml2lts-mc( 2/ 4): ~137 levels ~640000 states ~2001976 transitions
pnml2lts-mc( 2/ 4): ~169 levels ~1280000 states ~3927348 transitions
pnml2lts-mc( 2/ 4): ~174 levels ~2560000 states ~7860416 transitions

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="BridgeAndVehicles-PT-V50P20N10"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsmin"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P20N10.tgz
mv BridgeAndVehicles-PT-V50P20N10 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool ltsmin"
echo " Input is BridgeAndVehicles-PT-V50P20N10, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r221-ebro-152732363400090"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;