About the Execution of ITS-Tools.L for SquareGrid-PT-020102
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15752.640 | 5397.00 | 11346.00 | 363.20 | FFFFFTFTFFTFTTTF | normal |
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 224K
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K 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 13K 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 5.9K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 13K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.0K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 111 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 349 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 21K 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 3.8K 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 7 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rwxr-xr-x 1 mcc users 55K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstoolsl
Input is SquareGrid-PT-020102, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-smll-152705516200180
=====================================================================
--------------------
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 SquareGrid-PT-020102-ReachabilityCardinality-00
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-01
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-02
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-03
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-04
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-05
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-06
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-07
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-08
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-09
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-10
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-11
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-12
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-13
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-14
FORMULA_NAME SquareGrid-PT-020102-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1527471535615
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_1.0.0.201805241334/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_1.0.0.201805241334/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 [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-00 with value :((p4o_2_1>=2)&&((!(pb4_1_1<=pb1_1_2))||(p2o_1_2>=2)))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-01 with value :(p1o_1_2>=3)
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-02 with value :(((!(p2il_2_2>=2))&&((p4ol_1_2<=p1ol_1_2)||(pb3_1_2>=3)))||(p4i_1_1<=pb3_2_2))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-03 with value :(!(((p4ol_2_1<=p4il_1_1)||(p3il_2_1>=3))||(!(p2o_2_2>=3))))
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-04 with value :(((!(p4o_2_2>=1))&&((p2o_1_2<=pb3_2_1)||(p1o_2_2>=2)))||((!(pb1_2_1>=2))||((pb3_2_1<=p1i_0)&&(pb4_2_1>=3))))
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-05 with value :(!(((p1ol_2_1<=p4ol_2_2)&&(p1i_1_2>=2))&&((p4ol_2_1<=p1i_2_1)||(p3il_2_1>=1))))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-06 with value :(p3i_2_2>=2)
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-07 with value :((!((p2ol_1_2>=2)&&(pb2_2_1>=1)))||(p2o_1_2>=2))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-08 with value :(p4il_1_1>=2)
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-09 with value :((((p1ol_1_2>=2)&&(p1il_2_1>=2))&&((p4ol_2_1>=1)&&(p2ol_1_2<=p3o_2_1)))&&(((p1i_0<=p4i_2_2)||(p1i_2_1>=3))&&((p1ol_2_2>=1)&&(pb4_1_1<=p3ol_2_2))))
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-10 with value :(((p3i_2_1>=3)&&(!(pb1_1_2<=pb4_1_1)))||(!((p3o_2_1<=p4ol_2_2)&&(p1o_2_2>=3))))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-11 with value :(((p2ol_2_2<=p3il_2_2)&&((p1ol_2_2>=2)&&(p1o_2_1>=1)))&&((!(pb1_2_1<=p1ol_1_1))||(!(p1il_1_2<=p4il_2_1))))
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-12 with value :((!((pb4_1_2>=3)||(pb3_1_1<=p3ol_2_2)))||(!((p2o_1_2<=p1ol_2_1)&&(p4ol_2_2>=2))))
Read [invariant] property : SquareGrid-PT-020102-ReachabilityCardinality-13 with value :(!(p3il_2_1>=3))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-14 with value :(!(p4i_1_1<=p2il_1_2))
Read [reachable] property : SquareGrid-PT-020102-ReachabilityCardinality-15 with value :(p4ol_1_1>=2)
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 72 rows 68 cols
invariant :p1i_2_1 + p1il_2_1 = 1
invariant :pb1_1_1 + pb2_1_1 + pb3_1_1 + pb4_1_1 + pbl_1_1 = 6
invariant :p1i_2_2 + p1il_2_2 = 1
invariant :p1il_0 + p1il_1_2 + p1il_2_1 + p1il_2_2 + p1ol_1_1 + p1ol_1_2 + p1ol_2_1 + p1ol_2_2 + p2il_1_2 + p2il_2_2 + p2ol_1_2 + p2ol_2_2 + p3il_2_1 + p3il_2_2 + p3ol_2_1 + p3ol_2_2 + p4il_1_1 + p4il_1_2 + p4il_2_1 + p4il_2_2 + p4ol_1_1 + p4ol_1_2 + p4ol_2_1 + p4ol_2_2 + pbl_1_1 + pbl_1_2 + pbl_2_1 + pbl_2_2 = 32
invariant :p4o_2_1 + p4ol_2_1 = 1
invariant :p4i_1_2 + p4il_1_2 = 1
invariant :pb1_2_2 + pb2_2_2 + pb3_2_2 + pb4_2_2 + pbl_2_2 = 6
invariant :p4o_1_2 + p4ol_1_2 = 1
invariant :p1o_1_2 + p1ol_1_2 = 1
invariant :p4o_2_2 + p4ol_2_2 = 1
invariant :p4o_1_1 + p4ol_1_1 = 1
invariant :p3i_2_1 + p3il_2_1 = 1
invariant :p1i_0 + p1il_0 = 1
invariant :p4i_2_1 + p4il_2_1 = 1
invariant :p1o_2_2 + p1ol_2_2 = 1
invariant :pb1_2_1 + pb2_2_1 + pb3_2_1 + pb4_2_1 + pbl_2_1 = 6
invariant :pb1_1_2 + pb2_1_2 + pb3_1_2 + pb4_1_2 + pbl_1_2 = 6
invariant :p1o_2_1 + p1ol_2_1 = 1
invariant :p2i_2_2 + p2il_2_2 = 1
invariant :p1i_1_2 + -1'p1il_0 + -1'p1il_2_1 + -1'p1il_2_2 + -1'p1ol_1_1 + -1'p1ol_1_2 + -1'p1ol_2_1 + -1'p1ol_2_2 + -1'p2il_1_2 + -1'p2il_2_2 + -1'p2ol_1_2 + -1'p2ol_2_2 + -1'p3il_2_1 + -1'p3il_2_2 + -1'p3ol_2_1 + -1'p3ol_2_2 + -1'p4il_1_1 + -1'p4il_1_2 + -1'p4il_2_1 + -1'p4il_2_2 + -1'p4ol_1_1 + -1'p4ol_1_2 + -1'p4ol_2_1 + -1'p4ol_2_2 + -1'pbl_1_1 + -1'pbl_1_2 + -1'pbl_2_1 + -1'pbl_2_2 = -31
invariant :p2i_1_2 + p2il_1_2 = 1
invariant :p2o_1_2 + p2ol_1_2 = 1
invariant :p2o_2_2 + p2ol_2_2 = 1
invariant :p3i_2_2 + p3il_2_2 = 1
invariant :p1o_1_1 + p1ol_1_1 = 1
invariant :p3o_2_2 + p3ol_2_2 = 1
invariant :p4i_2_2 + p4il_2_2 = 1
invariant :p3o_2_1 + p3ol_2_1 = 1
invariant :p4i_1_1 + p4il_1_1 = 1
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 72 rows 68 cols
invariant :p1i_2_1 + p1il_2_1 = 1
invariant :pb1_1_1 + pb2_1_1 + pb3_1_1 + pb4_1_1 + pbl_1_1 = 6
invariant :p1i_2_2 + p1il_2_2 = 1
invariant :p1il_0 + p1il_1_2 + p1il_2_1 + p1il_2_2 + p1ol_1_1 + p1ol_1_2 + p1ol_2_1 + p1ol_2_2 + p2il_1_2 + p2il_2_2 + p2ol_1_2 + p2ol_2_2 + p3il_2_1 + p3il_2_2 + p3ol_2_1 + p3ol_2_2 + p4il_1_1 + p4il_1_2 + p4il_2_1 + p4il_2_2 + p4ol_1_1 + p4ol_1_2 + p4ol_2_1 + p4ol_2_2 + pbl_1_1 + pbl_1_2 + pbl_2_1 + pbl_2_2 = 32
invariant :p4o_2_1 + p4ol_2_1 = 1
invariant :p4i_1_2 + p4il_1_2 = 1
invariant :pb1_2_2 + pb2_2_2 + pb3_2_2 + pb4_2_2 + pbl_2_2 = 6
invariant :p4o_1_2 + p4ol_1_2 = 1
invariant :p1o_1_2 + p1ol_1_2 = 1
invariant :p4o_2_2 + p4ol_2_2 = 1
invariant :p4o_1_1 + p4ol_1_1 = 1
invariant :p3i_2_1 + p3il_2_1 = 1
invariant :p1i_0 + p1il_0 = 1
invariant :p4i_2_1 + p4il_2_1 = 1
invariant :p1o_2_2 + p1ol_2_2 = 1
invariant :pb1_2_1 + pb2_2_1 + pb3_2_1 + pb4_2_1 + pbl_2_1 = 6
invariant :pb1_1_2 + pb2_1_2 + pb3_1_2 + pb4_1_2 + pbl_1_2 = 6
invariant :p1o_2_1 + p1ol_2_1 = 1
invariant :p2i_2_2 + p2il_2_2 = 1
invariant :p1i_1_2 + -1'p1il_0 + -1'p1il_2_1 + -1'p1il_2_2 + -1'p1ol_1_1 + -1'p1ol_1_2 + -1'p1ol_2_1 + -1'p1ol_2_2 + -1'p2il_1_2 + -1'p2il_2_2 + -1'p2ol_1_2 + -1'p2ol_2_2 + -1'p3il_2_1 + -1'p3il_2_2 + -1'p3ol_2_1 + -1'p3ol_2_2 + -1'p4il_1_1 + -1'p4il_1_2 + -1'p4il_2_1 + -1'p4il_2_2 + -1'p4ol_1_1 + -1'p4ol_1_2 + -1'p4ol_2_1 + -1'p4ol_2_2 + -1'pbl_1_1 + -1'pbl_1_2 + -1'pbl_2_1 + -1'pbl_2_2 = -31
invariant :p2i_1_2 + p2il_1_2 = 1
invariant :p2o_1_2 + p2ol_1_2 = 1
invariant :p2o_2_2 + p2ol_2_2 = 1
invariant :p3i_2_2 + p3il_2_2 = 1
invariant :p1o_1_1 + p1ol_1_1 = 1
invariant :p3o_2_2 + p3ol_2_2 = 1
invariant :p4i_2_2 + p4il_2_2 = 1
invariant :p3o_2_1 + p3ol_2_1 = 1
invariant :p4i_1_1 + p4il_1_1 = 1
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid\_PT\_020102\_flat\_flat,2.08542e+12,0.813848,22372,2,3270,5,111992,6,0,347,116522,0
Total reachable state count : 2085423232578
Verifying 16 reachability properties.
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-00 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-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
SquareGrid-PT-020102-ReachabilityCardinality-00,0,0.816432,22628,1,0,5,111992,7,0,353,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-01 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-ReachabilityCardinality-01
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-01,0,0.818084,22772,1,0,5,111992,8,0,354,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-02 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-02,3.63634e+09,0.830256,22772,2,2386,6,111992,9,0,384,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-03 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-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
SquareGrid-PT-020102-ReachabilityCardinality-03,0,0.831646,22836,1,0,6,111992,10,0,392,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-04 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-04,7222,0.835413,22836,2,488,7,111992,11,0,434,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-05 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-05,0,0.839176,22836,1,0,7,111992,12,0,443,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-06 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-ReachabilityCardinality-06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-06,0,0.839367,22836,1,0,7,111992,13,0,444,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-07 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-07,0,0.840471,22836,1,0,7,111992,14,0,447,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-08 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-ReachabilityCardinality-08
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-08,0,0.842628,22836,1,0,7,111992,15,0,448,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-09 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-ReachabilityCardinality-09
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-09,0,0.84714,22836,1,0,7,111992,16,0,456,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-10 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-10,0,0.848517,22836,1,0,7,111992,17,0,466,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-11 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-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
SquareGrid-PT-020102-ReachabilityCardinality-11,0,0.849414,22836,1,0,7,111992,18,0,479,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-12 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-12,0,0.853732,22836,1,0,7,111992,19,0,490,116522,0
Invariant property SquareGrid-PT-020102-ReachabilityCardinality-13 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-13,0,0.855982,22836,1,0,7,111992,20,0,491,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-14 is true.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-ReachabilityCardinality-14,1,0.856279,22836,2,69,8,111992,21,0,494,116522,0
Reachability property SquareGrid-PT-020102-ReachabilityCardinality-15 does not hold.
FORMULA SquareGrid-PT-020102-ReachabilityCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : SquareGrid-PT-020102-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
SquareGrid-PT-020102-ReachabilityCardinality-15,0,0.858649,22836,1,0,8,111992,22,0,495,116522,0
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 1527471541012
--------------------
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/ -louvain -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/ -louvain -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 28, 2018 1:38:58 AM 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/, -louvain, -smt]
May 28, 2018 1:38:58 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 28, 2018 1:38:58 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 58 ms
May 28, 2018 1:38:58 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 68 places.
May 28, 2018 1:38:58 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 72 transitions.
May 28, 2018 1:38:58 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 11 ms
May 28, 2018 1:38:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 89 ms
May 28, 2018 1:38:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 45 ms
May 28, 2018 1:38:58 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityCardinality.pnml.gal : 4 ms
May 28, 2018 1:38:58 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityCardinality.prop : 2 ms
May 28, 2018 1:38:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 38 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 72 transitions.
May 28, 2018 1:38:59 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 72 transitions.
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 29 place invariants in 42 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Ran tautology test, simplified 0 / 16 in 533 ms.
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-00(UNSAT) depth K=0 took 5 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-01(UNSAT) depth K=0 took 4 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-02(UNSAT) depth K=0 took 23 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 72 transitions.
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-03(UNSAT) depth K=0 took 18 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-04(UNSAT) depth K=0 took 6 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-05(UNSAT) depth K=0 took 6 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-06(UNSAT) depth K=0 took 18 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-07(UNSAT) depth K=0 took 14 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-08(UNSAT) depth K=0 took 16 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 29 place invariants in 23 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-09(UNSAT) depth K=0 took 22 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-10(UNSAT) depth K=0 took 15 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-11(UNSAT) depth K=0 took 27 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-12(UNSAT) depth K=0 took 5 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-13(UNSAT) depth K=0 took 5 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-14(UNSAT) depth K=0 took 8 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-15(UNSAT) depth K=0 took 3 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-00(UNSAT) depth K=1 took 3 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-01(UNSAT) depth K=1 took 2 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-02(UNSAT) depth K=1 took 21 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-03(UNSAT) depth K=1 took 16 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-04(UNSAT) depth K=1 took 22 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-05(UNSAT) depth K=1 took 18 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-06(UNSAT) depth K=1 took 5 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-07(UNSAT) depth K=1 took 20 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-08(UNSAT) depth K=1 took 16 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-09(UNSAT) depth K=1 took 23 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-10(UNSAT) depth K=1 took 22 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
WARNING: Interrupting SMT solver.
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-11(UNSAT) depth K=1 took 10 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-12(UNSAT) depth K=1 took 9 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solution for property SquareGrid-PT-020102-ReachabilityCardinality-13(UNSAT) depth K=1 took 8 ms
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Exception in thread "Thread-8" 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.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 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.init(KInductionSolver.java:116)
at fr.lip6.move.gal.gal2smt.smt.ISMTSolver.init(ISMTSolver.java:17)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:278)
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)
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
WARNING: Unexpected error occurred while running SMT. Was verifying SquareGrid-PT-020102-ReachabilityCardinality-14 SMT depth 1
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.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 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: During BMC, SMT solver timed out at depth 1
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd runBMC
INFO: BMC solving timed out (3600000 secs) at depth 1
May 28, 2018 1:38:59 AM fr.lip6.move.gal.application.SMTRunner$2 run
INFO: SMT solved 0/ 16 properties. Interrupting other analysis methods.
May 28, 2018 1:38:59 AM 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 error :unknown
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:318)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:305)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.init(KInductionSolver.java:116)
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.init(NecessaryEnablingsolver.java:71)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:471)
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$1.run(LTSminRunner.java:71)
at java.lang.Thread.run(Thread.java:748)
May 28, 2018 1:38:59 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 912ms conformant to PINS in folder :/home/mcc/execution
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SquareGrid-PT-020102"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstoolsl"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$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/SquareGrid-PT-020102.tgz
mv SquareGrid-PT-020102 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 itstoolsl"
echo " Input is SquareGrid-PT-020102, 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 r165-smll-152705516200180"
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 '
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 ;