Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2019-input.r192-oct2-155234410200629.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2019-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstoolsm
Input is DNAwalker-PT-04track28LL, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r192-oct2-155234410200629
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 272K
-rw-r--r-- 1 mcc users 3.0K Feb 10 20:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K Feb 10 20:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 6 15:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 6 15:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 111 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 349 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.3K Feb 4 23:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.7K Feb 4 23:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 4 22:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.5K Feb 4 22:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 3 06:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Feb 3 06:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Jan 30 22:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Jan 30 22:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 4 22:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 12 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 108K Mar 10 17:31 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 DNAwalker-PT-04track28LL-ReachabilityCardinality-00
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-01
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-02
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-03
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-04
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-05
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-06
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-07
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-08
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-09
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-10
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-11
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-12
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-13
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-14
FORMULA_NAME DNAwalker-PT-04track28LL-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1553606097267

Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/RGMEDD2, /home/mcc/execution/gspn, -META, -varord-only], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityCardinality.pnml.gal, -t, CGAL, -reachable-file, ReachabilityCardinality.prop, --nowitness, --load-order, /home/mcc/execution/model.ord], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903251645/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityCardinality.pnml.gal -t CGAL -reachable-file ReachabilityCardinality.prop --nowitness --load-order /home/mcc/execution/model.ord
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file ReachabilityCardinality.prop.
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-00 with value :(A6>=3)
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-01 with value :((((A18<=A10)||(A13<=A26))&&(B19>=2))||(((A15>=1)||(A26<=A25))||((A27<=A10)&&(A16>=3))))
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-02 with value :(A15>=3)
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-03 with value :(A12>=3)
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-04 with value :(B27>=2)
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-05 with value :((((A6<=B9)&&(A4<=A23))&&(!(A1<=B26)))||(A23>=1))
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-06 with value :(!(A23>=3))
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-07 with value :((B9<=A14)||(A25<=B26))
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-08 with value :((!((A2>=2)&&(A22>=2)))||(A22>=1))
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-09 with value :(((!(A27>=2))||((A27>=2)||(A7>=1)))||((A21<=A11)||(!(A7>=3))))
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-10 with value :(A4>=3)
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-11 with value :(((!(A2>=2))||(!(B27<=A24)))&&(((A10>=3)||(A28>=3))&&((A25<=A12)||(A7<=B10))))
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-12 with value :(((!(A12>=3))||(!(A3<=A9)))||(!((A23<=A7)||(A3>=3))))
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-13 with value :(B27>=3)
Read [invariant] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-14 with value :(((A18<=A8)||((B18>=1)&&(A27>=3)))||((A13>=3)||((B19<=A8)&&(A14>=3))))
Read [reachable] property : DNAwalker-PT-04track28LL-ReachabilityCardinality-15 with value :((B19>=3)&&((!(A26>=2))||((A17>=2)&&(A18>=3))))
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
Normalized transition count is 247
// Phase 1: matrix 247 rows 34 cols
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-08 TRUE TECHNIQUES SAT_SMT TAUTOLOGY
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-09 TRUE TECHNIQUES SAT_SMT TAUTOLOGY
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
Normalized transition count is 247
// Phase 1: matrix 247 rows 34 cols
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri,4.32885e+08,0.478055,17092,2,3156,5,55391,6,0,421,60588,0
Total reachable state count : 432884827

Verifying 16 reachability properties.
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-00 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-00

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-00,0,0.479649,17236,1,0,5,55391,7,0,423,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-01 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-01,3.70819e+06,0.490787,17300,2,416,6,55391,8,0,468,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-02 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-02

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-02,0,0.492535,17300,1,0,6,55391,9,0,469,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-03 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-03

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-03,0,0.492774,17300,1,0,6,55391,10,0,470,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-04 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-04

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-04,0,0.492908,17300,1,0,6,55391,11,0,471,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-05 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-05,1.02987e+07,0.494404,17300,2,1649,7,55391,12,0,483,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-06 is true.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-06,0,0.494624,17300,1,0,7,55391,13,0,484,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-07 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-07,1476,0.495096,17300,2,104,8,55391,14,0,495,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-08 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-08,0,0.496306,17300,1,0,8,55391,15,0,500,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-09 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-09,0,0.498439,17300,1,0,8,55391,16,0,512,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-10 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-10

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-10,0,0.49907,17300,1,0,8,55391,17,0,513,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-11 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-11

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-11,0,0.499637,17300,1,0,8,55391,18,0,523,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-12 is true.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-12,0,0.501053,17300,1,0,8,55391,19,0,535,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-13 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-13

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-13,0,0.501207,17300,1,0,8,55391,20,0,536,60588,0
Invariant property DNAwalker-PT-04track28LL-ReachabilityCardinality-14 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-14,20,0.501731,17300,2,39,9,55391,21,0,553,60588,0
Reachability property DNAwalker-PT-04track28LL-ReachabilityCardinality-15 does not hold.
FORMULA DNAwalker-PT-04track28LL-ReachabilityCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : DNAwalker-PT-04track28LL-ReachabilityCardinality-15

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-04track28LL-ReachabilityCardinality-15,0,0.503594,17300,1,0,9,55391,22,0,559,60588,0
ITS tools runner thread asked to quit. Dying gracefully.
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1553606100497

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 26, 2019 1:14:58 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt]
Mar 26, 2019 1:14:58 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 26, 2019 1:14:58 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 49 ms
Mar 26, 2019 1:14:58 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 34 places.
Mar 26, 2019 1:14:58 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 250 transitions.
Mar 26, 2019 1:14:58 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 12 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 57 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 30 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 54 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 34 places.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.application.StructuralToGreatSPN handlePage
INFO: Transformed 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityCardinality.pnml.gal : 2 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityCardinality.prop : 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 0 place invariants in 12 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Result for false tautology is UNSAT, invariant/never predicate is unrealizable DNAwalker-PT-04track28LL-ReachabilityCardinality-08
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Result for false tautology is UNSAT, invariant/never predicate is unrealizable DNAwalker-PT-04track28LL-ReachabilityCardinality-09
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Ran tautology test, simplified 2 / 16 in 409 ms.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-00(UNSAT) depth K=0 took 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-01(UNSAT) depth K=0 took 21 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-02(UNSAT) depth K=0 took 12 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-03(UNSAT) depth K=0 took 2 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-04(UNSAT) depth K=0 took 2 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-05(UNSAT) depth K=0 took 0 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-06(UNSAT) depth K=0 took 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-07(UNSAT) depth K=0 took 0 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-10(UNSAT) depth K=0 took 0 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-11(UNSAT) depth K=0 took 7 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-12(UNSAT) depth K=0 took 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-13(UNSAT) depth K=0 took 12 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-14(UNSAT) depth K=0 took 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-15(UNSAT) depth K=0 took 1 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-00(UNSAT) depth K=1 took 3 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-01(UNSAT) depth K=1 took 2 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-02(UNSAT) depth K=1 took 7 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-03(UNSAT) depth K=1 took 11 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-04(UNSAT) depth K=1 took 18 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-05(UNSAT) depth K=1 took 14 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-06(UNSAT) depth K=1 took 7 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 0 place invariants in 2 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-07(UNSAT) depth K=1 took 12 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-10(UNSAT) depth K=1 took 17 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-11(UNSAT) depth K=1 took 6 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-12(UNSAT) depth K=1 took 4 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-13(UNSAT) depth K=1 took 4 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 34 variables to be positive in 289 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/250 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-14(UNSAT) depth K=1 took 16 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 250 transitions.
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-15(UNSAT) depth K=1 took 16 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-00(UNSAT) depth K=2 took 66 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-01(UNSAT) depth K=2 took 82 ms
Mar 26, 2019 1:14:59 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 34 variables to be positive in 264 ms
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-02(UNSAT) depth K=2 took 61 ms
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesDNAwalker-PT-04track28LL-ReachabilityCardinality-00
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-00(SAT) depth K=0 took 19 ms
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesDNAwalker-PT-04track28LL-ReachabilityCardinality-01
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-01(SAT) depth K=0 took 49 ms
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-03(UNSAT) depth K=2 took 55 ms
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
WARNING: Interrupting SMT solver.
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property DNAwalker-PT-04track28LL-ReachabilityCardinality-04(UNSAT) depth K=2 took 74 ms
Skipping mayMatrices nes/nds SMT solver raised an exception or timeout.
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
java.lang.RuntimeException: SMT solver raised an exception or timeout.
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeAblingForPredicate(NecessaryEnablingsolver.java:755)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:502)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:830)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:71)
at java.lang.Thread.run(Thread.java:748)
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:297)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:305)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:573)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:301)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$1(Gal2SMTFrontEnd.java:274)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:166)
at java.lang.Thread.run(Thread.java:748)
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Solver has unexpectedly terminated")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:297)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:452)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:435)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:378)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$0(Gal2SMTFrontEnd.java:350)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:159)
at java.lang.Thread.run(Thread.java:748)
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
WARNING: Unexpected error occurred while running SMT. Was verifying DNAwalker-PT-04track28LL-ReachabilityCardinality-02 K-induction depth 0
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
WARNING: Unexpected error occurred while running SMT. Was verifying DNAwalker-PT-04track28LL-ReachabilityCardinality-05 SMT depth 2
java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Solver has unexpectedly terminated")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:404)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$0(Gal2SMTFrontEnd.java:350)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:159)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Solver has unexpectedly terminated")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:297)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:452)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:435)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:378)
... 3 more
Exception in thread "Thread-8" java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:336)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$1(Gal2SMTFrontEnd.java:274)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:166)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:297)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:305)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:573)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:301)
... 3 more
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: During BMC, SMT solver timed out at depth 2
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solving timed out (3600000 secs) at depth 2
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.application.SMTRunner$2 run
INFO: SMT solved 2/ 16 properties. Interrupting other analysis methods.
Mar 26, 2019 1:15:00 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 968ms conformant to PINS in folder :/home/mcc/execution

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="DNAwalker-PT-04track28LL"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstoolsm"
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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3954"
echo " Executing tool itstoolsm"
echo " Input is DNAwalker-PT-04track28LL, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r192-oct2-155234410200629"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-04track28LL.tgz
mv DNAwalker-PT-04track28LL execution
cd execution
if [ "ReachabilityCardinality" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityCardinality.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 ;