About the Execution of Marcie+red for JoinFreeModules-PT-0005
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
5546.699 | 9804.00 | 13501.00 | 430.90 | TFTFFTFFFTFFFTTT | 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.r234-tall-167856419900153.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is JoinFreeModules-PT-0005, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r234-tall-167856419900153
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.4K Feb 25 11:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 25 11:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 11:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 11:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 11:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 25 11:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 25 11:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 11:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16K Mar 5 18:22 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 JoinFreeModules-PT-0005-CTLCardinality-00
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-01
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-02
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-03
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-04
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-05
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-06
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-07
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-08
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-09
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-10
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-11
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-12
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-13
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-14
FORMULA_NAME JoinFreeModules-PT-0005-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679452055640
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=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0005
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 02:27:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 02:27:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 02:27:37] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2023-03-22 02:27:37] [INFO ] Transformed 26 places.
[2023-03-22 02:27:37] [INFO ] Transformed 41 transitions.
[2023-03-22 02:27:37] [INFO ] Parsed PT model containing 26 places and 41 transitions and 117 arcs in 88 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 13 ms.
Initial state reduction rules removed 3 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0005-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 9 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 25 cols
[2023-03-22 02:27:37] [INFO ] Computed 5 place invariants in 10 ms
[2023-03-22 02:27:37] [INFO ] Dead Transitions using invariants and state equation in 173 ms found 0 transitions.
[2023-03-22 02:27:37] [INFO ] Invariant cache hit.
[2023-03-22 02:27:37] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-22 02:27:37] [INFO ] Invariant cache hit.
[2023-03-22 02:27:37] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-03-22 02:27:37] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-22 02:27:37] [INFO ] Invariant cache hit.
[2023-03-22 02:27:37] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 344 ms. Remains : 25/25 places, 41/41 transitions.
Support contains 25 out of 25 places after structural reductions.
[2023-03-22 02:27:37] [INFO ] Flatten gal took : 20 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 7 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Finished random walk after 2262 steps, including 1 resets, run visited all 67 properties in 87 ms. (steps per millisecond=26 )
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 5 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 56 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 4 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 62 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 5 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 1 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 7 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 1 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 1 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 40 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 1 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 1 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-22 02:27:38] [INFO ] Invariant cache hit.
[2023-03-22 02:27:38] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 30 ms. Remains : 25/25 places, 41/41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Input system was already deterministic with 41 transitions.
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:38] [INFO ] Flatten gal took : 2 ms
[2023-03-22 02:27:39] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-22 02:27:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25 places, 41 transitions and 115 arcs took 0 ms.
Total runtime 1676 ms.
There are residual formulas that ITS could not solve within timeout
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=CTLCardinality.xml --memory=6 --mcc-mode
parse successfull
net created successfully
Net: Petri
(NrP: 25 NrTr: 41 NrArc: 115)
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.000sec
net check time: 0m 0.000sec
init dd package: 0m 2.703sec
RS generation: 0m 0.002sec
-> reachability set: #nodes 301 (3.0e+02) #states 11,592,740,743 (10)
starting MCC model checker
--------------------------
checking: EX [EG [EF [~ [3<=p5]]]]
normalized: EX [EG [E [true U ~ [3<=p5]]]]
abstracting: (3<=p5)
states: 4,502,035,240 (9)
EG iterations: 0
.-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-05 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.013sec
checking: EX [~ [p3<=4]]
normalized: EX [~ [p3<=4]]
abstracting: (p3<=4)
states: 10,579,782,814 (10)
.-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.004sec
checking: EX [~ [p17<=p4]]
normalized: EX [~ [p17<=p4]]
abstracting: (p17<=p4)
states: 6,721,363,777 (9)
.-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-02 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.006sec
checking: AX [EG [EX [EX [p5<=p9]]]]
normalized: ~ [EX [~ [EG [EX [EX [p5<=p9]]]]]]
abstracting: (p5<=p9)
states: 4,614,586,121 (9)
.................
EG iterations: 15
.-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-09 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.029sec
checking: EX [[~ [1<=p0] & ~ [p23<=2]]]
normalized: EX [[~ [p23<=2] & ~ [1<=p0]]]
abstracting: (1<=p0)
states: 8,666,417,837 (9)
abstracting: (p23<=2)
states: 7,090,705,503 (9)
.-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-11 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.004sec
checking: EF [[AF [~ [E [p21<=4 U p24<=p9]]] | p17<=p5]]
normalized: E [true U [~ [EG [E [p21<=4 U p24<=p9]]] | p17<=p5]]
abstracting: (p17<=p5)
states: 8,430,388,805 (9)
abstracting: (p24<=p9)
states: 7,678,592,629 (9)
abstracting: (p21<=4)
states: 11,142,537,219 (10)
EG iterations: 0
-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-13 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.035sec
checking: EG [[[~ [p22<=2] & EG [AG [~ [p24<=0]]]] | [EX [p17<=p5] & ~ [A [~ [p22<=2] U AX [3<=p7]]]]]]
normalized: EG [[[~ [[~ [EG [EX [~ [3<=p7]]]] & ~ [E [EX [~ [3<=p7]] U [p22<=2 & EX [~ [3<=p7]]]]]]] & EX [p17<=p5]] | [EG [~ [E [true U p24<=0]]] & ~ [p22<=2]]]]
abstracting: (p22<=2)
states: 9,454,274,004 (9)
abstracting: (p24<=0)
states: 5,740,094,931 (9)
.
EG iterations: 1
abstracting: (p17<=p5)
states: 8,430,388,805 (9)
.abstracting: (3<=p7)
states: 2,138,466,739 (9)
.abstracting: (p22<=2)
states: 9,454,274,004 (9)
abstracting: (3<=p7)
states: 2,138,466,739 (9)
.abstracting: (3<=p7)
states: 2,138,466,739 (9)
.................
EG iterations: 16
................
EG iterations: 16
-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.033sec
checking: EF [[[AF [~ [p8<=3]] & [~ [E [3<=p24 U 3<=p0]] & EG [EX [~ [p23<=p3]]]]] & [p1<=4 & [~ [p13<=p3] & ~ [A [p15<=p19 U 3<=p10]]]]]]
normalized: E [true U [[p1<=4 & [~ [[~ [EG [~ [3<=p10]]] & ~ [E [~ [3<=p10] U [~ [p15<=p19] & ~ [3<=p10]]]]]] & ~ [p13<=p3]]] & [[EG [EX [~ [p23<=p3]]] & ~ [E [3<=p24 U 3<=p0]]] & ~ [EG [p8<=3]]]]]
abstracting: (p8<=3)
states: 9,454,274,004 (9)
.................
EG iterations: 17
abstracting: (3<=p0)
states: 4,502,035,240 (9)
abstracting: (3<=p24)
states: 2,138,466,739 (9)
abstracting: (p23<=p3)
states: 7,031,698,245 (9)
...
EG iterations: 2
abstracting: (p13<=p3)
states: 7,031,698,245 (9)
abstracting: (3<=p10)
states: 4,502,035,240 (9)
abstracting: (p15<=p19)
states: 4,614,586,121 (9)
abstracting: (3<=p10)
states: 4,502,035,240 (9)
abstracting: (3<=p10)
states: 4,502,035,240 (9)
.......................
EG iterations: 23
abstracting: (p1<=4)
states: 11,142,537,219 (10)
-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-00 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.187sec
checking: E [[EX [~ [[[AX [p8<=0] | 3<=p19] | [3<=p6 | p0<=4]]]] & ~ [[[p11<=2 | AG [p10<=p14]] & [AG [p14<=p10] | [AX [4<=p12] | AG [p23<=0]]]]]] U ~ [p8<=2]]
normalized: E [[~ [[[[~ [E [true U ~ [p23<=0]]] | ~ [EX [~ [4<=p12]]]] | ~ [E [true U ~ [p14<=p10]]]] & [p11<=2 | ~ [E [true U ~ [p10<=p14]]]]]] & EX [~ [[[3<=p6 | p0<=4] | [3<=p19 | ~ [EX [~ [p8<=0]]]]]]]] U ~ [p8<=2]]
abstracting: (p8<=2)
states: 7,090,705,503 (9)
abstracting: (p8<=0)
states: 4,051,831,716 (9)
.abstracting: (3<=p19)
states: 2,138,466,739 (9)
abstracting: (p0<=4)
states: 10,242,130,171 (10)
abstracting: (3<=p6)
states: 2,363,568,501 (9)
.abstracting: (p10<=p14)
states: 4,614,586,121 (9)
abstracting: (p11<=2)
states: 9,229,172,242 (9)
abstracting: (p14<=p10)
states: 8,553,866,956 (9)
abstracting: (4<=p12)
states: 900,407,048 (8)
.abstracting: (p23<=0)
states: 4,051,831,716 (9)
-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.043sec
checking: A [[E [A [[~ [p1<=3] & [1<=p2 & p24<=p12]] U AX [p6<=1]] U ~ [A [[3<=p1 & p4<=0] U ~ [p13<=0]]]] | [4<=p7 & AG [~ [AG [4<=p1]]]]] U [[EG [p20<=p15] & p14<=3] & [p20<=0 & AG [5<=p16]]]]
normalized: [~ [EG [~ [[[p20<=0 & ~ [E [true U ~ [5<=p16]]]] & [p14<=3 & EG [p20<=p15]]]]]] & ~ [E [~ [[[p20<=0 & ~ [E [true U ~ [5<=p16]]]] & [p14<=3 & EG [p20<=p15]]]] U [~ [[[4<=p7 & ~ [E [true U ~ [E [true U ~ [4<=p1]]]]]] | E [[~ [EG [EX [~ [p6<=1]]]] & ~ [E [EX [~ [p6<=1]] U [~ [[[1<=p2 & p24<=p12] & ~ [p1<=3]]] & EX [~ [p6<=1]]]]]] U ~ [[~ [EG [p13<=0]] & ~ [E [p13<=0 U [p13<=0 & ~ [[3<=p1 & p4<=0]]]]]]]]]] & ~ [[[p20<=0 & ~ [E [true U ~ [5<=p16]]]] & [p14<=3 & EG [p20<=p15]]]]]]]]
abstracting: (p20<=p15)
states: 6,796,761,940 (9)
.....................
EG iterations: 21
abstracting: (p14<=3)
states: 9,454,274,004 (9)
abstracting: (5<=p16)
states: 450,203,524 (8)
abstracting: (p20<=0)
states: 2,926,322,906 (9)
abstracting: (p4<=0)
states: 5,740,094,931 (9)
abstracting: (3<=p1)
states: 2,363,568,501 (9)
abstracting: (p13<=0)
states: 4,051,831,716 (9)
abstracting: (p13<=0)
states: 4,051,831,716 (9)
abstracting: (p13<=0)
states: 4,051,831,716 (9)
.
EG iterations: 1
abstracting: (p6<=1)
states: 7,090,705,503 (9)
.abstracting: (p1<=3)
states: 10,467,231,933 (10)
abstracting: (p24<=p12)
states: 7,946,310,744 (9)
abstracting: (1<=p2)
states: 7,428,358,146 (9)
abstracting: (p6<=1)
states: 7,090,705,503 (9)
.abstracting: (p6<=1)
states: 7,090,705,503 (9)
...............
EG iterations: 14
abstracting: (4<=p1)
states: 1,125,508,810 (9)
abstracting: (4<=p7)
states: 900,407,048 (8)
abstracting: (p20<=p15)
states: 6,796,761,940 (9)
.....................
EG iterations: 21
abstracting: (p14<=3)
states: 9,454,274,004 (9)
abstracting: (5<=p16)
states: 450,203,524 (8)
abstracting: (p20<=0)
states: 2,926,322,906 (9)
abstracting: (p20<=p15)
states: 6,796,761,940 (9)
.....................
EG iterations: 21
abstracting: (p14<=3)
states: 9,454,274,004 (9)
abstracting: (5<=p16)
states: 450,203,524 (8)
abstracting: (p20<=0)
states: 2,926,322,906 (9)
EG iterations: 0
-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.105sec
checking: A [EG [[E [[p17<=2 | p9<=4] U EF [p18<=p2]] & EF [4<=p6]]] U AG [[[4<=p13 | [AX [5<=p11] & AX [p11<=4]]] | [[1<=p23 & [p1<=1 & EX [2<=p13]]] | [p9<=p21 & [p9<=p18 | p24<=p4]]]]]]
normalized: [~ [EG [E [true U ~ [[[[p9<=p21 & [p9<=p18 | p24<=p4]] | [1<=p23 & [p1<=1 & EX [2<=p13]]]] | [4<=p13 | [~ [EX [~ [p11<=4]]] & ~ [EX [~ [5<=p11]]]]]]]]]] & ~ [E [E [true U ~ [[[[p9<=p21 & [p9<=p18 | p24<=p4]] | [1<=p23 & [p1<=1 & EX [2<=p13]]]] | [4<=p13 | [~ [EX [~ [p11<=4]]] & ~ [EX [~ [5<=p11]]]]]]]] U [~ [EG [[E [true U 4<=p6] & E [[p17<=2 | p9<=4] U E [true U p18<=p2]]]]] & E [true U ~ [[[[p9<=p21 & [p9<=p18 | p24<=p4]] | [1<=p23 & [p1<=1 & EX [2<=p13]]]] | [4<=p13 | [~ [EX [~ [p11<=4]]] & ~ [EX [~ [5<=p11]]]]]]]]]]]]
abstracting: (5<=p11)
states: 450,203,524 (8)
.abstracting: (p11<=4)
states: 11,142,537,219 (10)
.abstracting: (4<=p13)
states: 2,138,466,739 (9)
abstracting: (2<=p13)
states: 5,627,544,050 (9)
.abstracting: (p1<=1)
states: 7,090,705,503 (9)
abstracting: (1<=p23)
states: 7,540,909,027 (9)
abstracting: (p24<=p4)
states: 7,678,592,629 (9)
abstracting: (p9<=p18)
states: 8,239,161,580 (9)
abstracting: (p9<=p21)
states: 8,080,716,165 (9)
abstracting: (p18<=p2)
states: 6,215,431,176 (9)
abstracting: (p9<=4)
states: 10,017,028,409 (10)
abstracting: (p17<=2)
states: 9,454,274,004 (9)
abstracting: (4<=p6)
states: 1,125,508,810 (9)
.
EG iterations: 1
abstracting: (5<=p11)
states: 450,203,524 (8)
.abstracting: (p11<=4)
states: 11,142,537,219 (10)
.abstracting: (4<=p13)
states: 2,138,466,739 (9)
abstracting: (2<=p13)
states: 5,627,544,050 (9)
.abstracting: (p1<=1)
states: 7,090,705,503 (9)
abstracting: (1<=p23)
states: 7,540,909,027 (9)
abstracting: (p24<=p4)
states: 7,678,592,629 (9)
abstracting: (p9<=p18)
states: 8,239,161,580 (9)
abstracting: (p9<=p21)
states: 8,080,716,165 (9)
abstracting: (5<=p11)
states: 450,203,524 (8)
.abstracting: (p11<=4)
states: 11,142,537,219 (10)
.abstracting: (4<=p13)
states: 2,138,466,739 (9)
abstracting: (2<=p13)
states: 5,627,544,050 (9)
.abstracting: (p1<=1)
states: 7,090,705,503 (9)
abstracting: (1<=p23)
states: 7,540,909,027 (9)
abstracting: (p24<=p4)
states: 7,678,592,629 (9)
abstracting: (p9<=p18)
states: 8,239,161,580 (9)
abstracting: (p9<=p21)
states: 8,080,716,165 (9)
...............
EG iterations: 15
-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-10 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.246sec
checking: AF [[EX [~ [p14<=1]] & [[[~ [A [~ [p6<=2] U ~ [p5<=5]]] | p13<=4] | [[~ [5<=p16] & ~ [p23<=0]] | [AG [~ [4<=p18]] & p21<=2]]] & [EG [A [[p7<=p23 | 3<=p9] U p2<=p4]] | [AX [[AG [p14<=p15] | [p8<=4 | 2<=p0]]] | [AF [p20<=1] & [EF [p10<=p3] | p20<=p6]]]]]]]
normalized: ~ [EG [~ [[[[[[[p20<=p6 | E [true U p10<=p3]] & ~ [EG [~ [p20<=1]]]] | ~ [EX [~ [[[p8<=4 | 2<=p0] | ~ [E [true U ~ [p14<=p15]]]]]]]] | EG [[~ [EG [~ [p2<=p4]]] & ~ [E [~ [p2<=p4] U [~ [[p7<=p23 | 3<=p9]] & ~ [p2<=p4]]]]]]] & [[[p21<=2 & ~ [E [true U 4<=p18]]] | [~ [p23<=0] & ~ [5<=p16]]] | [p13<=4 | ~ [[~ [EG [p5<=5]] & ~ [E [p5<=5 U [p6<=2 & p5<=5]]]]]]]] & EX [~ [p14<=1]]]]]]
abstracting: (p14<=1)
states: 8,553,866,956 (9)
.abstracting: (p5<=5)
states: 10,917,435,457 (10)
abstracting: (p6<=2)
states: 9,229,172,242 (9)
abstracting: (p5<=5)
states: 10,917,435,457 (10)
abstracting: (p5<=5)
states: 10,917,435,457 (10)
.
EG iterations: 1
abstracting: (p13<=4)
states: 10,579,782,814 (10)
abstracting: (5<=p16)
states: 450,203,524 (8)
abstracting: (p23<=0)
states: 4,051,831,716 (9)
abstracting: (4<=p18)
states: 2,138,466,739 (9)
abstracting: (p21<=2)
states: 9,229,172,242 (9)
abstracting: (p2<=p4)
states: 6,415,400,217 (9)
abstracting: (3<=p9)
states: 2,138,466,739 (9)
abstracting: (p7<=p23)
states: 7,885,118,032 (9)
abstracting: (p2<=p4)
states: 6,415,400,217 (9)
abstracting: (p2<=p4)
states: 6,415,400,217 (9)
.
EG iterations: 1
.....................
EG iterations: 21
abstracting: (p14<=p15)
states: 8,657,676,021 (9)
abstracting: (2<=p0)
states: 6,753,052,860 (9)
abstracting: (p8<=4)
states: 10,579,782,814 (10)
.abstracting: (p20<=1)
states: 4,839,687,883 (9)
.................
EG iterations: 17
abstracting: (p10<=p3)
states: 6,322,518,422 (9)
abstracting: (p20<=p6)
states: 5,623,173,142 (9)
....................
EG iterations: 20
-> the formula is FALSE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-03 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.197sec
checking: AF [[[EX [AF [~ [p18<=0]]] & AG [[EF [p12<=p5] | [EG [p13<=4] | p0<=p9]]]] | [EG [AF [~ [p15<=2]]] & [A [AF [p10<=5] U ~ [p11<=p12]] | [[~ [p21<=p1] | [~ [5<=p12] | 2<=p19]] & [[p12<=0 | E [p12<=3 U p23<=p19]] | [p9<=p20 | [1<=p21 | 2<=p2]]]]]]]]
normalized: ~ [EG [~ [[[[[[[p9<=p20 | [1<=p21 | 2<=p2]] | [p12<=0 | E [p12<=3 U p23<=p19]]] & [[2<=p19 | ~ [5<=p12]] | ~ [p21<=p1]]] | [~ [EG [p11<=p12]] & ~ [E [p11<=p12 U [p11<=p12 & EG [~ [p10<=5]]]]]]] & EG [~ [EG [p15<=2]]]] | [~ [E [true U ~ [[[p0<=p9 | EG [p13<=4]] | E [true U p12<=p5]]]]] & EX [~ [EG [p18<=0]]]]]]]]
abstracting: (p18<=0)
states: 4,051,831,716 (9)
.
EG iterations: 1
.abstracting: (p12<=p5)
states: 8,430,388,805 (9)
abstracting: (p13<=4)
states: 10,579,782,814 (10)
.................
EG iterations: 17
abstracting: (p0<=p9)
states: 5,168,598,710 (9)
abstracting: (p15<=2)
states: 7,090,705,503 (9)
.......................
EG iterations: 23
.
EG iterations: 1
abstracting: (p10<=5)
states: 10,917,435,457 (10)
..................
EG iterations: 18
abstracting: (p11<=p12)
states: 6,753,052,860 (9)
abstracting: (p11<=p12)
states: 6,753,052,860 (9)
abstracting: (p11<=p12)
states: 6,753,052,860 (9)
..............
EG iterations: 14
abstracting: (p21<=p1)
states: 7,175,938,209 (9)
abstracting: (5<=p12)
states: 337,652,643 (8)
abstracting: (2<=p19)
states: 3,038,873,787 (9)
abstracting: (p23<=p19)
states: 6,018,740,316 (9)
abstracting: (p12<=3)
states: 10,692,333,695 (10)
abstracting: (p12<=0)
states: 4,164,382,597 (9)
abstracting: (2<=p2)
states: 4,164,382,597 (9)
abstracting: (1<=p21)
states: 7,766,010,789 (9)
abstracting: (p9<=p20)
states: 8,657,676,021 (9)
.
EG iterations: 1
-> the formula is TRUE
FORMULA JoinFreeModules-PT-0005-CTLCardinality-15 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.082sec
totally nodes used: 1121422 (1.1e+06)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 2327089 1462404 3789493
used/not used/entry size/cache size: 2319222 64789642 16 1024MB
basic ops cache: hits/miss/sum: 1210825 697999 1908824
used/not used/entry size/cache size: 1412731 15364485 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: 38002 21053 59055
used/not used/entry size/cache size: 21035 8367573 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 66070246
1 1004255
2 26981
3 2726
4 726
5 710
6 400
7 116
8 180
9 96
>= 10 2428
Total processing time: 0m 5.356sec
BK_STOP 1679452065444
--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML
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 0.001sec
iterations count:443 (10), effective:100 (2)
initing FirstDep: 0m 0.000sec
iterations count:62 (1), effective:10 (0)
iterations count:189 (4), effective:49 (1)
iterations count:102 (2), effective:25 (0)
iterations count:148 (3), effective:11 (0)
iterations count:71 (1), effective:3 (0)
iterations count:72 (1), effective:12 (0)
iterations count:73 (1), effective:9 (0)
iterations count:301 (7), effective:82 (2)
iterations count:65 (1), effective:9 (0)
iterations count:77 (1), effective:14 (0)
iterations count:108 (2), effective:6 (0)
iterations count:61 (1), effective:5 (0)
iterations count:44 (1), effective:1 (0)
iterations count:47 (1), effective:2 (0)
iterations count:43 (1), effective:2 (0)
iterations count:84 (2), effective:12 (0)
iterations count:47 (1), effective:2 (0)
iterations count:44 (1), effective:1 (0)
iterations count:154 (3), effective:38 (0)
iterations count:44 (1), effective:1 (0)
iterations count:400 (9), effective:98 (2)
iterations count:224 (5), effective:54 (1)
iterations count:41 (1), effective:0 (0)
iterations count:90 (2), effective:20 (0)
iterations count:400 (9), effective:98 (2)
iterations count:187 (4), effective:53 (1)
iterations count:400 (9), effective:98 (2)
iterations count:48 (1), effective:3 (0)
iterations count:90 (2), effective:15 (0)
iterations count:163 (3), effective:41 (1)
iterations count:193 (4), effective:55 (1)
iterations count:176 (4), effective:51 (1)
iterations count:98 (2), effective:25 (0)
iterations count:47 (1), effective:2 (0)
iterations count:204 (4), effective:49 (1)
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="JoinFreeModules-PT-0005"
export BK_EXAMINATION="CTLCardinality"
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 JoinFreeModules-PT-0005, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r234-tall-167856419900153"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0005.tgz
mv JoinFreeModules-PT-0005 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;