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 180K
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.5K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 7.9K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 109 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 347 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.4K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 24K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 3 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 3.9K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is SwimmingPool-PT-01, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r164-smll-152705515600215
=====================================================================

--------------------
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 SwimmingPool-PT-01-ReachabilityCardinality-00
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-01
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-02
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-03
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-04
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-05
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-06
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-07
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-08
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-09
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-10
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-11
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-12
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-13
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-14
FORMULA_NAME SwimmingPool-PT-01-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1527198199526

FORMULA SwimmingPool-PT-01-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityCardinality.pnml.gal, -t, CGAL, -reachable-file, ReachabilityCardinality.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityCardinality.pnml.gal -t CGAL -reachable-file ReachabilityCardinality.prop --nowitness
Loading property file ReachabilityCardinality.prop.
Read [invariant] property : SwimmingPool-PT-01-ReachabilityCardinality-00 with value :((((Dressed>=1)&&(Bags<=Dress))||((Out>=3)||(Bags>=1)))||(((Undress>=1)||(Entered>=3))||((WaitBag<=Cabins)||(Dress<=Entered))))
Read [reachable] property : SwimmingPool-PT-01-ReachabilityCardinality-03 with value :((Entered<=Dress)&&(Out<=Dressed))
Read [reachable] property : SwimmingPool-PT-01-ReachabilityCardinality-04 with value :(!(((Dress>=1)||(Dressed>=1))||((InBath<=Cabins)&&(Bags>=2))))
Read [invariant] property : SwimmingPool-PT-01-ReachabilityCardinality-06 with value :(((Bags>=3)||((InBath<=Entered)||(WaitBag>=3)))&&((Undress<=Cabins)||(!(InBath>=2))))
Read [reachable] property : SwimmingPool-PT-01-ReachabilityCardinality-07 with value :(!(((Entered>=2)||(WaitBag<=Bags))||((Undress<=Dressed)||(InBath<=Out))))
Read [invariant] property : SwimmingPool-PT-01-ReachabilityCardinality-09 with value :(Bags>=3)
Read [reachable] property : SwimmingPool-PT-01-ReachabilityCardinality-11 with value :((!(Dressed<=Cabins))&&(((InBath>=3)||(Bags<=InBath))||(Entered>=2)))
Read [invariant] property : SwimmingPool-PT-01-ReachabilityCardinality-12 with value :(((Out>=2)&&((Out>=3)&&(Cabins>=2)))||(Bags>=2))
Read [invariant] property : SwimmingPool-PT-01-ReachabilityCardinality-13 with value :(((Dress<=Cabins)||(Dress<=Out))||(((InBath>=1)||(Out<=Cabins))&&((Dressed>=2)||(InBath<=Undress))))
Read [reachable] property : SwimmingPool-PT-01-ReachabilityCardinality-14 with value :(!((Cabins>=2)||(!(Out<=Entered))))
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 7 rows 9 cols
invariant :WaitBag + -1'InBath + Dressed + Cabins + -1'Bags = -5
invariant :Entered + InBath + Out + -1'Cabins = 10
invariant :Undress + InBath + Dress + Bags = 15
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 7 rows 9 cols
invariant :WaitBag + -1'InBath + Dressed + Cabins + -1'Bags = -5
invariant :Entered + InBath + Out + -1'Cabins = 10
invariant :Undress + InBath + Dress + Bags = 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
SwimmingPool\_PT\_01\_flat\_flat,89621,0.571461,14856,2,2975,5,55084,6,0,46,62078,0
Total reachable state count : 89621

Verifying 10 reachability properties.
Invariant property SwimmingPool-PT-01-ReachabilityCardinality-00 does not hold.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-00 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
SwimmingPool-PT-01-ReachabilityCardinality-00,27,0.579472,14996,2,62,6,55084,7,0,136,62078,0
Reachability property SwimmingPool-PT-01-ReachabilityCardinality-03 is true.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-03 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
SwimmingPool-PT-01-ReachabilityCardinality-03,21,0.58026,15252,2,45,7,55084,8,0,149,62078,0
Reachability property SwimmingPool-PT-01-ReachabilityCardinality-04 is true.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-04 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
SwimmingPool-PT-01-ReachabilityCardinality-04,1,0.581083,15296,2,10,8,55084,9,0,165,62078,0
Invariant property SwimmingPool-PT-01-ReachabilityCardinality-06 does not hold.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-06 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
SwimmingPool-PT-01-ReachabilityCardinality-06,1,0.581734,15296,2,10,9,55084,10,0,175,62078,0
Reachability property SwimmingPool-PT-01-ReachabilityCardinality-07 is true.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-07 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
SwimmingPool-PT-01-ReachabilityCardinality-07,1400,0.608248,15296,2,755,10,55084,11,0,280,62078,0
Invariant property SwimmingPool-PT-01-ReachabilityCardinality-09 does not hold.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-09 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
SwimmingPool-PT-01-ReachabilityCardinality-09,1,0.60857,15296,2,10,10,55084,12,0,280,62078,0
Reachability property SwimmingPool-PT-01-ReachabilityCardinality-11 is true.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-11 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
SwimmingPool-PT-01-ReachabilityCardinality-11,6,0.609148,15296,2,20,11,55084,13,0,289,62078,0
Invariant property SwimmingPool-PT-01-ReachabilityCardinality-12 does not hold.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-12 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
SwimmingPool-PT-01-ReachabilityCardinality-12,1,0.609657,15296,2,10,11,55084,14,0,292,62078,0
Invariant property SwimmingPool-PT-01-ReachabilityCardinality-13 does not hold.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-13 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
SwimmingPool-PT-01-ReachabilityCardinality-13,1571,0.623696,15296,2,795,12,55084,15,0,365,62078,0
Reachability property SwimmingPool-PT-01-ReachabilityCardinality-14 is true.
FORMULA SwimmingPool-PT-01-ReachabilityCardinality-14 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
SwimmingPool-PT-01-ReachabilityCardinality-14,6,0.624103,15296,2,20,12,55084,16,0,369,62078,0
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1527198203827

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -consoleLog -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/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
May 24, 2018 9:43:21 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/, -smt]
May 24, 2018 9:43:21 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 24, 2018 9:43:21 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 31 ms
May 24, 2018 9:43:21 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 30 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityCardinality.pnml.gal : 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityCardinality.prop : 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 9 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 18 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 9 variables to be positive in 101 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/7 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Ran tautology test, simplified 0 / 10 in 282 ms.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 7 transitions.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(UNSAT) depth K=0 took 20 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(UNSAT) depth K=0 took 16 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(UNSAT) depth K=0 took 11 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(UNSAT) depth K=0 took 5 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(UNSAT) depth K=0 took 3 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(UNSAT) depth K=0 took 12 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-11(UNSAT) depth K=0 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-12(UNSAT) depth K=0 took 2 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-13(UNSAT) depth K=0 took 0 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-14(UNSAT) depth K=0 took 0 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(UNSAT) depth K=1 took 3 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(UNSAT) depth K=1 took 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(UNSAT) depth K=1 took 7 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(UNSAT) depth K=1 took 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(UNSAT) depth K=1 took 20 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(UNSAT) depth K=1 took 2 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 9 variables to be positive in 94 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-11(UNSAT) depth K=1 took 16 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-00
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(SAT) depth K=0 took 17 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-12(UNSAT) depth K=1 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-03
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(SAT) depth K=0 took 9 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-13(UNSAT) depth K=1 took 11 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-04
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(SAT) depth K=0 took 11 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-06
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(SAT) depth K=0 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-14(UNSAT) depth K=1 took 14 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(UNSAT) depth K=2 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-07
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(SAT) depth K=0 took 21 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(UNSAT) depth K=2 took 11 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(UNSAT) depth K=2 took 9 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-09
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(SAT) depth K=0 took 20 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(UNSAT) depth K=2 took 12 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-11
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-11(SAT) depth K=0 took 12 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(UNSAT) depth K=2 took 11 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-12
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-12(SAT) depth K=0 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(UNSAT) depth K=2 took 13 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-13
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-13(SAT) depth K=0 took 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-11(UNSAT) depth K=2 took 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-12(UNSAT) depth K=2 took 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-13(UNSAT) depth K=2 took 1 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-14
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-14(SAT) depth K=0 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-14(UNSAT) depth K=2 took 8 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(UNSAT) depth K=3 took 8 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(UNSAT) depth K=3 took 7 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-00
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(SAT) depth K=1 took 22 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(UNSAT) depth K=3 took 4 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(UNSAT) depth K=3 took 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(UNSAT) depth K=3 took 3 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-03
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(SAT) depth K=1 took 16 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(UNSAT) depth K=3 took 10 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-11(UNSAT) depth K=3 took 7 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-12(UNSAT) depth K=3 took 8 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-13(UNSAT) depth K=3 took 6 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-04
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(SAT) depth K=1 took 25 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-14(UNSAT) depth K=3 took 8 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-06
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(SAT) depth K=1 took 20 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-00(UNSAT) depth K=4 took 13 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-03(UNSAT) depth K=4 took 9 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-04(UNSAT) depth K=4 took 8 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-06(UNSAT) depth K=4 took 12 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
WARNING: Interrupting SMT solver.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: Induction result is SAT, non conclusive we might be starting from unreachable statesSwimmingPool-PT-01-ReachabilityCardinality-07
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runKInduction
INFO: KInduction solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(SAT) depth K=1 took 44 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-07(UNSAT) depth K=4 took 15 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SwimmingPool-PT-01-ReachabilityCardinality-09(UNSAT) depth K=4 took 4 ms
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Skipping mayMatrices nes/nds SMT solver raised an error :unknown
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.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)
java.lang.RuntimeException: SMT solver raised an error :unknown
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeAblingForPredicate(NecessaryEnablingsolver.java:766)
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)
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
WARNING: Unexpected error occurred while running SMT. Was verifying SwimmingPool-PT-01-ReachabilityCardinality-11 SMT depth 4
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.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 "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.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
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: During BMC, SMT solver timed out at depth 4
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solving timed out (3600000 secs) at depth 4
May 24, 2018 9:43:22 PM fr.lip6.move.gal.application.SMTRunner$2 run
INFO: SMT solved 0/ 10 properties. Interrupting other analysis methods.
May 24, 2018 9:43:22 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 581ms 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="SwimmingPool-PT-01"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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/SwimmingPool-PT-01.tgz
mv SwimmingPool-PT-01 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 itstools"
echo " Input is SwimmingPool-PT-01, 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 r164-smll-152705515600215"
echo "====================================================================="
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 ;