Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r006-tajo-165245689000249.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is AirplaneLD-PT-0020, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r006-tajo-165245689000249
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 22K Apr 29 20:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 29 20:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 17K Apr 29 20:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 127K Apr 29 20:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 9.9K May 9 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 37K May 9 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 9 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 27K May 9 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.9K May 9 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.1K May 9 07:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 91K May 10 09:33 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 AirplaneLD-PT-0020-CTLCardinality-00
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-01
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-02
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-03
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-04
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-05
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-06
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-07
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-08
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-09
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-10
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-11
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-12
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-13
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-14
FORMULA_NAME AirplaneLD-PT-0020-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652658468875

Running Version 202205111006
[2022-05-15 23:47:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-15 23:47:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 23:47:50] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2022-05-15 23:47:50] [INFO ] Transformed 159 places.
[2022-05-15 23:47:50] [INFO ] Transformed 168 transitions.
[2022-05-15 23:47:50] [INFO ] Parsed PT model containing 159 places and 168 transitions in 191 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 19 ms.
Reduce places removed 62 places and 0 transitions.
FORMULA AirplaneLD-PT-0020-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-CTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 96 out of 97 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Applied a total of 0 rules in 15 ms. Remains 97 /97 variables (removed 0) and now considering 168/168 (removed 0) transitions.
// Phase 1: matrix 168 rows 97 cols
[2022-05-15 23:47:50] [INFO ] Computed 3 place invariants in 30 ms
[2022-05-15 23:47:50] [INFO ] Implicit Places using invariants in 190 ms returned []
// Phase 1: matrix 168 rows 97 cols
[2022-05-15 23:47:50] [INFO ] Computed 3 place invariants in 12 ms
[2022-05-15 23:47:50] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
// Phase 1: matrix 168 rows 97 cols
[2022-05-15 23:47:50] [INFO ] Computed 3 place invariants in 3 ms
[2022-05-15 23:47:51] [INFO ] Dead Transitions using invariants and state equation in 127 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 97/97 places, 168/168 transitions.
Support contains 96 out of 97 places after structural reductions.
[2022-05-15 23:47:51] [INFO ] Flatten gal took : 42 ms
[2022-05-15 23:47:51] [INFO ] Flatten gal took : 16 ms
[2022-05-15 23:47:51] [INFO ] Input system was already deterministic with 168 transitions.
Incomplete random walk after 10000 steps, including 1255 resets, run finished after 545 ms. (steps per millisecond=18 ) properties (out of 46) seen :20
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :0
Running SMT prover for 26 properties.
// Phase 1: matrix 168 rows 97 cols
[2022-05-15 23:47:52] [INFO ] Computed 3 place invariants in 2 ms
[2022-05-15 23:47:52] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2022-05-15 23:47:52] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2022-05-15 23:47:53] [INFO ] After 1046ms SMT Verify possible using all constraints in real domain returned unsat :16 sat :0 real:10
[2022-05-15 23:47:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2022-05-15 23:47:53] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2022-05-15 23:47:53] [INFO ] After 330ms SMT Verify possible using all constraints in natural domain returned unsat :26 sat :0
Fused 26 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 26 atomic propositions for a total of 14 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA AirplaneLD-PT-0020-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-15 23:47:53] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 24 ms
FORMULA AirplaneLD-PT-0020-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-CTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-CTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 11 ms
[2022-05-15 23:47:53] [INFO ] Input system was already deterministic with 168 transitions.
Support contains 31 out of 97 places (down from 53) after GAL structural reductions.
FORMULA AirplaneLD-PT-0020-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 97 stabilizing places and 168 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 97 transition count 168
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 75 places :
Symmetric choice reduction at 1 with 75 rule applications. Total rules 78 place count 19 transition count 93
Iterating global reduction 1 with 75 rules applied. Total rules applied 153 place count 19 transition count 93
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 228 place count 19 transition count 18
Applied a total of 228 rules in 7 ms. Remains 19 /97 variables (removed 78) and now considering 18/168 (removed 150) transitions.
// Phase 1: matrix 18 rows 19 cols
[2022-05-15 23:47:53] [INFO ] Computed 1 place invariants in 0 ms
[2022-05-15 23:47:53] [INFO ] Implicit Places using invariants in 33 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/97 places, 18/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 18/97 places, 18/168 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:53] [INFO ] Input system was already deterministic with 18 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize gal into /tmp/CTLCardinality3818817791942522603.gal : 1 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize properties into /tmp/CTLCardinality1892563519667193466.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality3818817791942522603.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1892563519667193466.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,323,0.019388,4368,2,56,5,245,6,0,87,237,0


Converting to forward existential form...Done !
original formula: EG(AF(EX(TRUE)))
=> equivalent forward existential formula: [FwdG(Init,!(EG(!(EX(TRUE)))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t9, t11, t13, t15, t17, Intersection with reachable at each step enabled. (destroyed/reverse...183
dead was empty
(forward)formula 0,0,0.026934,4880,1,0,61,2174,56,24,459,2403,60
FORMULA AirplaneLD-PT-0020-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 95 transition count 168
Discarding 56 places :
Symmetric choice reduction at 1 with 56 rule applications. Total rules 58 place count 39 transition count 112
Iterating global reduction 1 with 56 rules applied. Total rules applied 114 place count 39 transition count 112
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 170 place count 39 transition count 56
Applied a total of 170 rules in 4 ms. Remains 39 /97 variables (removed 58) and now considering 56/168 (removed 112) transitions.
// Phase 1: matrix 56 rows 39 cols
[2022-05-15 23:47:53] [INFO ] Computed 2 place invariants in 1 ms
[2022-05-15 23:47:53] [INFO ] Implicit Places using invariants in 46 ms returned [38]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 38/97 places, 56/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 38/97 places, 56/168 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 3 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 3 ms
[2022-05-15 23:47:53] [INFO ] Input system was already deterministic with 56 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 4 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 4 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize gal into /tmp/CTLCardinality12504559190746679563.gal : 1 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize properties into /tmp/CTLCardinality13021162310983848123.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality12504559190746679563.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13021162310983848123.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,3382,0.011231,4716,2,216,5,1236,6,0,203,819,0


Converting to forward existential form...Done !
original formula: EX((AF((P3<=stp5)) + AX((P6<=(((((Speed_Right_Wheel_1+Speed_Right_Wheel_2)+(Speed_Right_Wheel_3+Speed_Right_Wheel_4))+((Speed_Right_Wheel...499
=> equivalent forward existential formula: ([(EY(Init) * !(EG(!((P3<=stp5)))))] != FALSE + [(EY(Init) * !(EX(!((P6<=(((((Speed_Right_Wheel_1+Speed_Right_Wh...580
Reverse transition relation is NOT exact ! Due to transitions t28, t29, t30, t31, t32, t33, t34, t35, t36, t37, t38, t39, t40, t41, t42, t43, t44, t45, t46...280
(forward)formula 0,1,0.050395,6596,1,0,112,10605,134,37,1161,7000,128
FORMULA AirplaneLD-PT-0020-CTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 70 places :
Symmetric choice reduction at 1 with 70 rule applications. Total rules 73 place count 24 transition count 98
Iterating global reduction 1 with 70 rules applied. Total rules applied 143 place count 24 transition count 98
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 213 place count 24 transition count 28
Applied a total of 213 rules in 3 ms. Remains 24 /97 variables (removed 73) and now considering 28/168 (removed 140) transitions.
// Phase 1: matrix 28 rows 24 cols
[2022-05-15 23:47:53] [INFO ] Computed 1 place invariants in 1 ms
[2022-05-15 23:47:53] [INFO ] Implicit Places using invariants in 26 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/97 places, 28/168 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 28/28 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 23/97 places, 28/168 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:53] [INFO ] Input system was already deterministic with 28 transitions.
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:53] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize gal into /tmp/CTLCardinality9510437523193203687.gal : 0 ms
[2022-05-15 23:47:53] [INFO ] Time to serialize properties into /tmp/CTLCardinality13139518287556277879.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality9510437523193203687.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13139518287556277879.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...275
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1401,0.005853,4508,2,77,5,348,6,0,117,325,0


Converting to forward existential form...Done !
original formula: EX(AG(((AF((Speed_Right_Wheel_17<1)) + (TheAltitude_28<1)) + !(E((TheAltitude_3>=1) U (Speed_Right_Wheel_12<=Speed_Left_Wheel_18))))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !(((!(EG(!((Speed_Right_Wheel_17<1)))) + (TheAltitude_28<1)) + !(E((TheAltitude_3>=1) U ...215
Reverse transition relation is NOT exact ! Due to transitions t14, t15, t16, t18, t19, t22, t23, t25, t27, Intersection with reachable at each step enable...204
(forward)formula 0,1,0.029531,6176,1,0,121,7613,89,55,671,8228,131
FORMULA AirplaneLD-PT-0020-CTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 73 places :
Symmetric choice reduction at 1 with 73 rule applications. Total rules 76 place count 21 transition count 95
Iterating global reduction 1 with 73 rules applied. Total rules applied 149 place count 21 transition count 95
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 1 with 73 rules applied. Total rules applied 222 place count 21 transition count 22
Applied a total of 222 rules in 2 ms. Remains 21 /97 variables (removed 76) and now considering 22/168 (removed 146) transitions.
// Phase 1: matrix 22 rows 21 cols
[2022-05-15 23:47:54] [INFO ] Computed 1 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants in 27 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/97 places, 22/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 22/22 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/97 places, 22/168 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 2 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Input system was already deterministic with 22 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality6467256467851015370.gal : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality16305244918827497649.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality6467256467851015370.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality16305244918827497649.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...275
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,527,0.00355,4528,2,52,5,230,6,0,99,197,0


Converting to forward existential form...Done !
original formula: EX(EF(AG((TheAltitude_30<=TheAltitude_22))))
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * !(E(TRUE U !((TheAltitude_30<=TheAltitude_22)))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t11, t13, t17, t19, t21, Intersection with reachable at each step enabled. (destroyed/revers...184
(forward)formula 0,1,0.008404,5084,1,0,54,1739,67,21,580,1472,57
FORMULA AirplaneLD-PT-0020-CTLCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Graph (complete) has 233 edges and 97 vertex of which 94 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.8 ms
Discarding 3 places :
Also discarding 0 output transitions
Discarding 74 places :
Symmetric choice reduction at 0 with 74 rule applications. Total rules 75 place count 20 transition count 94
Iterating global reduction 0 with 74 rules applied. Total rules applied 149 place count 20 transition count 94
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Iterating post reduction 0 with 74 rules applied. Total rules applied 223 place count 20 transition count 20
Applied a total of 223 rules in 14 ms. Remains 20 /97 variables (removed 77) and now considering 20/168 (removed 148) transitions.
// Phase 1: matrix 20 rows 20 cols
[2022-05-15 23:47:54] [INFO ] Computed 1 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants in 38 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 19/97 places, 20/168 transitions.
Graph (complete) has 17 edges and 19 vertex of which 18 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 17 transition count 18
Applied a total of 3 rules in 1 ms. Remains 17 /19 variables (removed 2) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 17 cols
[2022-05-15 23:47:54] [INFO ] Computed 0 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants in 42 ms returned []
// Phase 1: matrix 18 rows 17 cols
[2022-05-15 23:47:54] [INFO ] Computed 0 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 17/97 places, 18/168 transitions.
Finished structural reductions, in 2 iterations. Remains : 17/97 places, 18/168 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Input system was already deterministic with 18 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality13774039553946135128.gal : 0 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality15150664150269790187.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality13774039553946135128.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15150664150269790187.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,322,0.003967,4428,2,55,5,242,6,0,83,197,0


Converting to forward existential form...Done !
original formula: EG((Speed_Right_Wheel_8<1))
=> equivalent forward existential formula: [FwdG(Init,(Speed_Right_Wheel_8<1))] != FALSE
Hit Full ! (commute/partial/dont) 16/0/2
(forward)formula 0,1,0.007878,4928,1,0,18,1375,18,4,390,1170,16
FORMULA AirplaneLD-PT-0020-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 73 places :
Symmetric choice reduction at 1 with 73 rule applications. Total rules 76 place count 21 transition count 95
Iterating global reduction 1 with 73 rules applied. Total rules applied 149 place count 21 transition count 95
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 1 with 73 rules applied. Total rules applied 222 place count 21 transition count 22
Applied a total of 222 rules in 2 ms. Remains 21 /97 variables (removed 76) and now considering 22/168 (removed 146) transitions.
// Phase 1: matrix 22 rows 21 cols
[2022-05-15 23:47:54] [INFO ] Computed 1 place invariants in 1 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants in 28 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/97 places, 22/168 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 22/22 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/97 places, 22/168 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Input system was already deterministic with 22 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality10751210817516551891.gal : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality13552751852138275341.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10751210817516551891.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13552751852138275341.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,527,0.004011,4432,2,54,5,259,6,0,99,223,0


Converting to forward existential form...Done !
original formula: AX(EG(AX(((TheAltitude_25>1)||(TheAltitude_19<1)))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(EX(!(((TheAltitude_25>1)||(TheAltitude_19<1))))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t11, t13, t16, t17, t19, t21, Intersection with reachable at each step enabled. (destroyed/r...189
(forward)formula 0,0,0.016142,5460,1,0,99,4795,66,50,528,5480,100
FORMULA AirplaneLD-PT-0020-CTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Graph (complete) has 233 edges and 97 vertex of which 1 are kept as prefixes of interest. Removing 96 places using SCC suffix rule.0 ms
Discarding 96 places :
Also discarding 148 output transitions
Drop transitions removed 148 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 1 transition count 1
Applied a total of 20 rules in 2 ms. Remains 1 /97 variables (removed 96) and now considering 1/168 (removed 167) transitions.
// Phase 1: matrix 1 rows 1 cols
[2022-05-15 23:47:54] [INFO ] Computed 0 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants in 12 ms returned []
// Phase 1: matrix 1 rows 1 cols
[2022-05-15 23:47:54] [INFO ] Computed 0 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 29 ms to find 0 implicit places.
[2022-05-15 23:47:54] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 1 rows 1 cols
[2022-05-15 23:47:54] [INFO ] Computed 0 place invariants in 0 ms
[2022-05-15 23:47:54] [INFO ] Dead Transitions using invariants and state equation in 12 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 1/97 places, 1/168 transitions.
Finished structural reductions, in 1 iterations. Remains : 1/97 places, 1/168 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 0 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 0 ms
[2022-05-15 23:47:54] [INFO ] Input system was already deterministic with 1 transitions.
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 0 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 0 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality915150333941752291.gal : 1 ms
[2022-05-15 23:47:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality18309539469120301307.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality915150333941752291.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality18309539469120301307.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2,0.001662,4408,2,2,5,6,6,0,5,4,0


Converting to forward existential form...Done !
original formula: AG(EF((stp4<1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (stp4<1))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.002142,4848,1,0,6,8,14,1,19,7,5
FORMULA AirplaneLD-PT-0020-CTLCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

[2022-05-15 23:47:54] [INFO ] Flatten gal took : 7 ms
[2022-05-15 23:47:54] [INFO ] Flatten gal took : 7 ms
Total runtime 4212 ms.

BK_STOP 1652658474524

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination CTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="AirplaneLD-PT-0020"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is AirplaneLD-PT-0020, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r006-tajo-165245689000249"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0020.tgz
mv AirplaneLD-PT-0020 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;