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 372K
-rw-r--r-- 1 mcc users 8.5K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 33K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 24K 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 6.0K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 14K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.6K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 13K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 35K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 104 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 342 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 12K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.9K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 2 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 98K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool irma4mcc-structural
Input is Peterson-PT-2, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r115-csrt-152666474200558
=====================================================================

--------------------
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 Peterson-PT-2-ReachabilityCardinality-00
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-01
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-02
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-03
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-04
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-05
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-06
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-07
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-08
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-09
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-10
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-11
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-12
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-13
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-14
FORMULA_NAME Peterson-PT-2-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1527154926767


BK_STOP 1527154971064

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

Prefix is 75f5f979.
Reading known information in /usr/share/mcc4mcc/75f5f979-known.json.
Reading learned information in /usr/share/mcc4mcc/75f5f979-learned.json.
Reading value translations in /usr/share/mcc4mcc/75f5f979-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using Peterson-PT-2 as instance name.
Using Peterson as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'ReachabilityCardinality', 'Place/Transition': True, 'Colored': True, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': True, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': False, 'Conservative': True, 'Sub-Conservative': True, 'Nested Units': False, 'Safe': True, 'Deadlock': False, 'Reversible': True, 'Quasi Live': None, 'Live': None}.
Known tools are: [{'Time': 654, 'Memory': 111.76, 'Tool': 'lola'}, {'Time': 1151, 'Memory': 121.11, 'Tool': 'lola'}, {'Time': 4590, 'Memory': 294.36, 'Tool': 'itstools'}, {'Time': 4742, 'Memory': 228.84, 'Tool': 'gspn'}, {'Time': 4825, 'Memory': 321.87, 'Tool': 'itstools'}, {'Time': 7492, 'Memory': 260.89, 'Tool': 'gspn'}].
Learned tools are: [{'Tool': 'itstools'}].
Learned tool itstools is 7.018348623853211x far from the best tool lola.
ReachabilityCardinality lola Peterson-PT-2...

Time: 3600 - MCC
----- Start make prepare stdout -----
----- Start make prepare stderr -----
===========================================================================================
Peterson-PT-2: translating PT Petri net model.pnml into LoLA format
===========================================================================================
translating PT Petri net complete


checking for too many tokens
===========================================================================================
Peterson-PT-2: translating PT formula ReachabilityCardinality into LoLA format
===========================================================================================
translating formula complete
touch formulae;
----- Start make result stdout -----
----- Start make result stderr -----
ReachabilityCardinality @ Peterson-PT-2 @ 3540 seconds
----- Start make result stdout -----
----- Start make result stderr -----
lola: LoLA will run for 3540 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 228/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: finding significant places
lola: 102 places, 126 transitions, 91 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 189 transition conflict sets
lola: TASK
lola: reading formula from Peterson-PT-2-ReachabilityCardinality.task
lola: E (F ((3 <= EndTurn_1_0 + EndTurn_1_1 + EndTurn_2_0 + EndTurn_2_1 + EndTurn_0_0 + EndTurn_0_1))) : A (G ((((3 <= TestAlone_2_0_0 + TestAlone_2_0_1 + TestAlone_2_1_0 + TestAlone_2_1_1 + TestAlone_0_0_1 + TestAlone_0_0_2 + TestAlone_0_1_1 + TestAlone_0_1_2 + TestAlone_1_0_0 + TestAlone_1_0_2 + TestAlone_1_1_0 + TestAlone_1_1_2) OR (CS_0 + CS_1 + CS_2 <= TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0_2 + TestIdentity_1_1_0 + TestIdentity_1_1_1 + TestIdentity_1_1_2 + TestIdentity_2_0_0 + TestIdentity_2_0_1 + TestIdentity_2_0_2 + TestIdentity_2_1_0 + TestIdentity_2_1_1 + TestIdentity_2_1_2 + TestIdentity_0_0_0 + TestIdentity_0_0_1 + TestIdentity_0_0_2 + TestIdentity_0_1_0 + TestIdentity_0_1_1 + TestIdentity_0_1_2) OR (BeginLoop_2_0_0 + BeginLoop_2_0_1 + BeginLoop_2_0_2 + BeginLoop_2_1_0 + BeginLoop_2_1_1 + BeginLoop_2_1_2 + BeginLoop_0_0_0 + BeginLoop_0_0_1 + BeginLoop_0_0_2 + BeginLoop_0_1_0 + BeginLoop_0_1_1 + BeginLoop_0_1_2 + BeginLoop_1_0_0 + BeginLoop_1_0_1 + BeginLoop_1_0_2 + BeginLoop_1_1_0 + BeginLoop_1_1_1 + BeginLoop_1_1_2 <= WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F)) AND ((CS_0 + CS_1 + CS_2 <= TestTurn_0_0 + TestTurn_0_1 + TestTurn_1_0 + TestTurn_1_1 + TestTurn_2_0 + TestTurn_2_1) OR (CS_0 + CS_1 + CS_2 <= TestAlone_2_0_0 + TestAlone_2_0_1 + TestAlone_2_1_0 + TestAlone_2_1_1 + TestAlone_0_0_1 + TestAlone_0_0_2 + TestAlone_0_1_1 + TestAlone_0_1_2 + TestAlone_1_0_0 + TestAlone_1_0_2 + TestAlone_1_1_0 + TestAlone_1_1_2) OR ((Idle_0 + Idle_1 + Idle_2 <= AskForSection_2_0 + AskForSection_0_0 + AskForSection_0_1 + AskForSection_1_0 + AskForSection_1_1 + AskForSection_2_1) AND (TestAlone_2_0_0 + TestAlone_2_0_1 + TestAlone_2_1_0 + TestAlone_2_1_1 + TestAlone_0_0_1 + TestAlone_0_0_2 + TestAlone_0_1_1 + TestAlone_0_1_2 + TestAlone_1_0_0 + TestAlone_1_0_2 + TestAlone_1_1_0 + TestAlone_1_1_2 <= CS_0 + CS_1 + CS_2)))))) : A (G (((AskForSection_2_0 + AskForSection_0_0 + AskForSection_0_1 + AskForSection_1_0 + AskForSection_1_1 + AskForSection_2_1 <= 1) OR (Turn_1_1 + Turn_1_0 + Turn_0_1 + Turn_0_0 + Turn_0_2 + Turn_1_2 <= 2) OR (1 <= BeginLoop_2_0_0 + BeginLoop_2_0_1 + BeginLoop_2_0_2 + BeginLoop_2_1_0 + BeginLoop_2_1_1 + BeginLoop_2_1_2 + BeginLoop_0_0_0 + BeginLoop_0_0_1 + BeginLoop_0_0_2 + BeginLoop_0_1_0 + BeginLoop_0_1_1 + BeginLoop_0_1_2 + BeginLoop_1_0_0 + BeginLoop_1_0_1 + BeginLoop_1_0_2 + BeginLoop_1_1_0 + BeginLoop_1_1_1 + BeginLoop_1_1_2)))) : A (G ((((3 <= IsEndLoop_0_0_0 + IsEndLoop_0_0_1 + IsEndLoop_0_0_2 + IsEndLoop_0_1_0 + IsEndLoop_0_1_1 + IsEndLoop_0_1_2 + IsEndLoop_1_0_0 + IsEndLoop_1_0_1 + IsEndLoop_1_0_2 + IsEndLoop_1_1_0 + IsEndLoop_1_1_1 + IsEndLoop_1_1_2 + IsEndLoop_2_0_0 + IsEndLoop_2_0_1 + IsEndLoop_2_0_2 + IsEndLoop_2_1_0 + IsEndLoop_2_1_1 + IsEndLoop_2_1_2) AND (TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0_2 + TestIdentity_1_1_0 + TestIdentity_1_1_1 + TestIdentity_1_1_2 + TestIdentity_2_0_0 + TestIdentity_2_0_1 + TestIdentity_2_0_2 + TestIdentity_2_1_0 + TestIdentity_2_1_1 + TestIdentity_2_1_2 + TestIdentity_0_0_0 + TestIdentity_0_0_1 + TestIdentity_0_0_2 + TestIdentity_0_1_0 + TestIdentity_0_1_1 + TestIdentity_0_1_2 <= TestTurn_0_0 + TestTurn_0_1 + TestTurn_1_0 + TestTurn_1_1 + TestTurn_2_0 + TestTurn_2_1)) OR (Idle_0 + Idle_1 + Idle_2 <= TestTurn_0_0 + TestTurn_0_1 + TestTurn_1_0 + TestTurn_1_1 + TestTurn_2_0 + TestTurn_2_1) OR (TestTurn_0_0 + TestTurn_0_1 + TestTurn_1_0 + TestTurn_1_1 + TestTurn_2_0 + TestTurn_2_1 <= WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F)))) : A (G (((IsEndLoop_0_0_0 + IsEndLoop_0_0_1 + IsEndLoop_0_0_2 + IsEndLoop_0_1_0 + IsEndLoop_0_1_1 + IsEndLoop_0_1_2 + IsEndLoop_1_0_0 + IsEndLoop_1_0_1 + IsEndLoop_1_0_2 + IsEndLoop_1_1_0 + IsEndLoop_1_1_1 + IsEndLoop_1_1_2 + IsEndLoop_2_0_0 + IsEndLoop_2_0_1 + IsEndLoop_2_0_2 + IsEndLoop_2_1_0 + IsEndLoop_2_1_1 + IsEndLoop_2_1_2 <= 2)))) : A (G (((1 <= WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F) OR (BeginLoop_2_0_0 + BeginLoop_2_0_1 + BeginLoop_2_0_2 + BeginLoop_2_1_0 + BeginLoop_2_1_1 + BeginLoop_2_1_2 + BeginLoop_0_0_0 + BeginLoop_0_0_1 + BeginLoop_0_0_2 + BeginLoop_0_1_0 + BeginLoop_0_1_1 + BeginLoop_0_1_2 + BeginLoop_1_0_0 + BeginLoop_1_0_1 + BeginLoop_1_0_2 + BeginLoop_1_1_0 + BeginLoop_1_1_1 + BeginLoop_1_1_2 <= CS_0 + CS_1 + CS_2)))) : A (G (((TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0_2 + TestIdentity_1_1_0 + TestIdentity_1_1_1 + TestIdentity_1_1_2 + TestIdentity_2_0_0 + TestIdentity_2_0_1 + TestIdentity_2_0_2 + TestIdentity_2_1_0 + TestIdentity_2_1_1 + TestIdentity_2_1_2 + TestIdentity_0_0_0 + TestIdentity_0_0_1 + TestIdentity_0_0_2 + TestIdentity_0_1_0 + TestIdentity_0_1_1 + TestIdentity_0_1_2 <= TestAlone_2_0_0 + TestAlone_2_0_1 + TestAlone_2_1_0 + TestAlone_2_1_1 + TestAlone_0_0_1 + TestAlone_0_0_2 + TestAlone_0_1_1 + TestAlone_0_1_2 + TestAlone_1_0_0 + TestAlone_1_0_2 + TestAlone_1_1_0 + TestAlone_1_1_2) OR (3 <= EndTurn_1_0 + EndTurn_1_1 + EndTurn_2_0 + EndTurn_2_1 + EndTurn_0_0 + EndTurn_0_1) OR (CS_0 + CS_1 + CS_2 <= 1) OR ((AskForSection_2_0 + AskForSection_0_0 + AskForSection_0_1 + AskForSection_1_0 + AskForSection_1_1 + AskForSection_2_1 <= TestTurn_0_0 + TestTurn_0_1 + TestTurn_1_0 + TestTurn_1_1 + TestTurn_2_0 + TestTurn_2_1) AND (WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F + 1 <= Turn_1_1 + Turn_1_0 + Turn_0_1 + Turn_0_0 + Turn_0_2 + Turn_1_2))))) : E (F ((((WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F + 1 <= CS_0 + CS_1 + CS_2) OR (CS_0 + CS_1 + CS_2 <= 1)) AND (Turn_1_1 + Turn_1_0 + Turn_0_1 + Turn_0_0 + Turn_0_2 + Turn_1_2 <= 1)))) : A (G (((IsEndLoop_0_1_2 <= Turn_1_1) OR ((TestAlone_0_0_1 <= 2) AND (WantSection_0_T + 1 <= TestAlone_1_1_0))))) : E (F ((((1 <= BeginLoop_2_1_0) AND (2 <= BeginLoop_0_1_1)) OR ((2 <= Turn_0_2) AND (TestIdentity_0_0_1 <= EndTurn_2_1)) OR ((EndTurn_0_0 <= BeginLoop_1_1_2) AND (1 <= TestIdentity_0_0_2) AND (TestTurn_1_0 <= IsEndLoop_1_0_0) AND (3 <= TestAlone_0_0_2))))) : A (G (((CS_2 <= TestTurn_0_0) OR ((BeginLoop_1_1_1 <= 0) AND (TestTurn_1_0 + 1 <= Turn_1_2))))) : E (F (((AskForSection_0_0 <= WantSection_0_T) AND (3 <= Turn_0_2)))) : A (G ((IsEndLoop_2_0_2 <= WantSection_2_T))) : A (G (((TestAlone_2_1_0 <= WantSection_2_F) OR ((TestIdentity_0_0_2 <= 2) AND (IsEndLoop_2_1_2 <= 2))))) : E (F ((1 <= IsEndLoop_2_0_2))) : E (F (((3 <= IsEndLoop_0_1_1) AND ((3 <= TestIdentity_1_0_1) OR (1 <= Turn_0_1) OR (WantSection_0_T <= 2)))))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((3 <= EndTurn_1_0 + EndTurn_1_1 + EndTurn_2_0 + EndTurn_2_1 + EndTurn_0_0 + EndTurn_0_1)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality.sara.
sara: place or transition ordering is non-deterministic
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is unreachable.
lola: 13403 markings, 34694 edges
lola: ========================================
lola: subprocess 1 will run for 236 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((((3 <= TestAlone_2_0_0 + TestAlone_2_0_1 + TestAlone_2_1_0 + TestAlone_2_1_1 + TestAlone_0_0_1 + TestAlone_0_0_2 + TestAlone_0_1_1 + TestAlone_0_1_2 + TestAlone_1_0_0 + TestAlone_1_0_2 + TestAlone_1_1_0 + TestAlone_1_1_2) OR (CS_0 + CS_1 + CS_2 <= TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0_2 + TestIdentity_1_1_0 + TestIdentity_1_1_1 + TestIdentity_1_1_2 + TestIdentity_2_0_0... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 9 literals and 3 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality.sara.
sara: place or transition ordering is non-deterministic
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 4728 markings, 14113 edges
lola: ========================================
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((AskForSection_2_0 + AskForSection_0_0 + AskForSection_0_1 + AskForSection_1_0 + AskForSection_1_1 + AskForSection_2_1 <= 1) OR (Turn_1_1 + Turn_1_0 + Turn_0_1 + Turn_0_0 + Turn_0_2 + Turn_1_2 <= 2) OR (1 <= BeginLoop_2_0_0 + BeginLoop_2_0_1 + BeginLoop_2_0_2 + BeginLoop_2_1_0 + BeginLoop_2_1_1 + BeginLoop_2_1_2 + BeginLoop_0_0_0 + BeginLoop_0_0_1 + BeginLoop_0_0_2 + BeginLoop_0_1_0 + Beg... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: state equation: Generated DNF with 3 literals and 1 conjunctive subformulas
lola: produced by: state space
lola: The predicate is invariant.
lola: 1 markings, 0 edges
lola: ========================================
lola: subprocess 3 will run for 272 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((((3 <= IsEndLoop_0_0_0 + IsEndLoop_0_0_1 + IsEndLoop_0_0_2 + IsEndLoop_0_1_0 + IsEndLoop_0_1_1 + IsEndLoop_0_1_2 + IsEndLoop_1_0_0 + IsEndLoop_1_0_1 + IsEndLoop_1_0_2 + IsEndLoop_1_1_0 + IsEndLoop_1_1_1 + IsEndLoop_1_1_2 + IsEndLoop_2_0_0 + IsEndLoop_2_0_1 + IsEndLoop_2_0_2 + IsEndLoop_2_1_0 + IsEndLoop_2_1_1 + IsEndLoop_2_1_2) AND (TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 6 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-3.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-3.sara.
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: yes
lola: produced by: state equation
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 4 will run for 295 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((IsEndLoop_0_0_0 + IsEndLoop_0_0_1 + IsEndLoop_0_0_2 + IsEndLoop_0_1_0 + IsEndLoop_0_1_1 + IsEndLoop_0_1_2 + IsEndLoop_1_0_0 + IsEndLoop_1_0_1 + IsEndLoop_1_0_2 + IsEndLoop_1_1_0 + IsEndLoop_1_1_1 + IsEndLoop_1_1_2 + IsEndLoop_2_0_0 + IsEndLoop_2_0_1 + IsEndLoop_2_0_2 + IsEndLoop_2_1_0 + IsEndLoop_2_1_1 + IsEndLoop_2_1_2 <= 2))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-4.sara
lola: lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 90 markings, 93 edges
lola: ========================================
lola: subprocess 5 will run for 321 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((1 <= WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F) OR (BeginLoop_2_0_0 + BeginLoop_2_0_1 + BeginLoop_2_0_2 + BeginLoop_2_1_0 + BeginLoop_2_1_1 + BeginLoop_2_1_2 + BeginLoop_0_0_0 + BeginLoop_0_0_1 + BeginLoop_0_0_2 + BeginLoop_0_1_0 + BeginLoop_0_1_1 + BeginLoop_0_1_2 + BeginLoop_1_0_0 + BeginLoop_1_0_1 + BeginLoop_1_0_2 + Begin... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is invariant.
lola: 1 markings, 0 edges
lola: lola: subprocess 6 will run for 354 seconds at most (--localtimelimit=-1)
state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-5.sara
lola: ========================================
lola: ========================================
lola: ...considering subproblem: A (G (((TestIdentity_1_0_0 + TestIdentity_1_0_1 + TestIdentity_1_0_2 + TestIdentity_1_1_0 + TestIdentity_1_1_1 + TestIdentity_1_1_2 + TestIdentity_2_0_0 + TestIdentity_2_0_1 + TestIdentity_2_0_2 + TestIdentity_2_1_0 + TestIdentity_2_1_1 + TestIdentity_2_1_2 + TestIdentity_0_0_0 + TestIdentity_0_0_1 + TestIdentity_0_0_2 + TestIdentity_0_1_0 + TestIdentity_0_1_1 + TestIdentity_0_1_2 <= TestAlone_2_0... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 8 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-6.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-6.sara.
sara: place or transition ordering is non-deterministic
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is invariant.
lola: 18715 markings, 51505 edges
lola: ========================================
lola: subprocess 7 will run for 393 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((((WantSection_2_T + WantSection_2_F + WantSection_1_T + WantSection_1_F + WantSection_0_T + WantSection_0_F + 1 <= CS_0 + CS_1 + CS_2) OR (CS_0 + CS_1 + CS_2 <= 1)) AND (Turn_1_1 + Turn_1_0 + Turn_0_1 + Turn_0_0 + Turn_0_2 + Turn_1_2 <= 1))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-7.sara
lola: The predicate is unreachable.
lola: 1 markings, 0 edges
lola: state equation: calling and running sara
lola: ========================================
lola: subprocess 8 will run for 442 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((IsEndLoop_0_1_2 <= Turn_1_1) OR ((TestAlone_0_0_1 <= 2) AND (WantSection_0_T + 1 <= TestAlone_1_1_0)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-8.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-7.sara.
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-8.sara.
sara: place or transition ordering is non-deterministic
sara: place or transition ordering is non-deterministic
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 5953 markings, 14562 edges
lola: ========================================
lola: subprocess 9 will run for 505 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((((1 <= BeginLoop_2_1_0) AND (2 <= BeginLoop_0_1_1)) OR ((2 <= Turn_0_2) AND (TestIdentity_0_0_1 <= EndTurn_2_1)) OR ((EndTurn_0_0 <= BeginLoop_1_1_2) AND (1 <= TestIdentity_0_0_2) AND (TestTurn_1_0 <= IsEndLoop_1_0_0) AND (3 <= TestAlone_0_0_2)))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 8 literals and 3 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-9.sara
lola: state equation: calling and running sara

sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-9.sara.
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 10 will run for 590 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((CS_2 <= TestTurn_0_0) OR ((BeginLoop_1_1_1 <= 0) AND (TestTurn_1_0 + 1 <= Turn_1_2)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-10.sara
lola: The predicate is not invariant.
lola: 45 markings, 44 edges
lola: ========================================
lola: state equation: calling and running sara
lola: subprocess 11 will run for 708 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((AskForSection_0_0 <= WantSection_0_T) AND (3 <= Turn_0_2))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-10.sara.
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-11.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-11.sara.
sara: place or transition ordering is non-deterministic
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 12 will run for 884 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((IsEndLoop_2_0_2 <= WantSection_2_T)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-12.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-12.sara.
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: yes
lola: produced by: state equation
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 13 will run for 1179 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((TestAlone_2_1_0 <= WantSection_2_F) OR ((TestIdentity_0_0_2 <= 2) AND (IsEndLoop_2_1_2 <= 2)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-13.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-13.sara.
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: yes
lola: produced by: state equation
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 14 will run for 1769 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((1 <= IsEndLoop_2_0_2)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-14.sara
lola: produced by: state space
lola: The predicate is reachable.
lola: 14 markings, 13 edges
lola: ========================================
lola: state equation: calling and running sara
lola: subprocess 15 will run for 3539 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((3 <= IsEndLoop_0_1_1) AND ((3 <= TestIdentity_1_0_1) OR (1 <= Turn_0_1) OR (WantSection_0_T <= 2)))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 12 bytes per marking, with 5 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 6 literals and 3 conjunctive subformulas
lola: state equation: write sara problem file to Peterson-PT-2-ReachabilityCardinality-15.sara
lola: state equation: calling and running sara
sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-14.sara.
sara: place or transition ordering is non-deterministic

sara: try reading problem file Peterson-PT-2-ReachabilityCardinality-15.sara.
sara: place or transition ordering is non-deterministic

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: RESULT
lola:
SUMMARY: no no yes yes no yes yes no no no no no yes yes yes no
sara: warning, failure of lp_solve (at job 21042)
FORMULA Peterson-PT-2-ReachabilityCardinality-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-1 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-2 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-5 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-6 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-9 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA Peterson-PT-2-ReachabilityCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stdout -----
----- Kill lola and sara stderr -----
----- Finished stdout -----
----- Finished stderr -----

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="Peterson-PT-2"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="irma4mcc-structural"
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/Peterson-PT-2.tgz
mv Peterson-PT-2 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 irma4mcc-structural"
echo " Input is Peterson-PT-2, 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 r115-csrt-152666474200558"
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 ;