fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r160-smll-152705512400038
Last Updated
June 26, 2018

About the Execution of LoLA for SmallOperatingSystem-PT-MT0128DC0032

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
10360.210 3600000.00 588323.00 8582.40 TTFFFT?F?FFF?FFF 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 196K
-rw-r--r-- 1 mcc users 4.5K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K 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 6.3K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.8K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.9K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.7K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 127 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 365 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 17K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 13 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 8.2K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is SmallOperatingSystem-PT-MT0128DC0032, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-smll-152705512400038
=====================================================================


--------------------
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 SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-00
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-01
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-02
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-03
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-04
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-05
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-06
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-07
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-08
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-09
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-10
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-11
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-12
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-13
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-14
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1527200584054

info: Time: 3600 - MCC
===========================================================================================
prep: translating SmallOperatingSystem-PT-MT0128DC0032 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating SmallOperatingSystem-PT-MT0128DC0032 formula CTLCardinality into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking CTLCardinality @ SmallOperatingSystem-PT-MT0128DC0032 @ 3570 seconds
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 17/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 288
lola: finding significant places
lola: 9 places, 8 transitions, 5 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 10 transition conflict sets
lola: TASK
lola: reading formula from SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: always true
lola: LP says that atomic proposition is always false: (TaskOnDisk <= ExecutingTask)
lola: LP says that atomic proposition is always true: (FreeMemSegment <= TaskOnDisk)
lola: LP says that atomic proposition is always true: (CPUUnit <= TaskOnDisk)
lola: LP says that atomic proposition is always false: (TaskOnDisk <= TransferToDisk)
lola: always true
lola: LP says that atomic proposition is always true: (2 <= TaskOnDisk)
lola: E (F (((FreeMemSegment <= TaskSuspended) AND (TaskReady <= DiskControllerUnit)))) : E (F (((FreeMemSegment <= 1) AND (TransferToDisk <= 2) AND ((FreeMemSegment + 1 <= LoadingMem) OR (DiskControllerUnit + 1 <= ExecutingTask))))) : (((2 <= TransferToDisk) AND (((1 <= CPUUnit) AND (TaskSuspended <= 1)) OR (CPUUnit <= TaskSuspended))) OR A (G (A (F ((1 <= CPUUnit)))))) : (() AND A (G (((TaskSuspended + 1 <= CPUUnit) OR (DiskControllerUnit <= 0))))) : NOT(E (F ((FreeMemSegment <= TaskSuspended)))) : (FALSE OR A (G (TRUE))) : (A (G ((((1 <= LoadingMem)) OR (2 <= FreeMemSegment)))) OR (((2 <= TaskSuspended) OR (3 <= ExecutingTask)) AND ((TaskReady <= 0)))) : (A (X (((CPUUnit <= 0)))) OR NOT(E (F ((DiskControllerUnit <= 0))))) : A (G (E ((TRUE U (LoadingMem <= FreeMemSegment))))) : E (F ((((2 <= LoadingMem) OR ((1 <= LoadingMem) AND (1 <= TaskReady))) AND E (G ((TaskOnDisk <= FreeMemSegment)))))) : A (F (A (G ((1 <= DiskControllerUnit))))) : A (G (A (X ((TaskSuspended + 1 <= CPUUnit))))) : A ((A (G ((3 <= FreeMemSegment))) U A (G ((1 <= CPUUnit))))) : A (G ((((CPUUnit + 1 <= TaskReady) OR (TaskReady + 1 <= CPUUnit)) OR A (G ((3 <= ExecutingTask)))))) : A (G ((A (G ((ExecutingTask <= CPUUnit))) OR ()))) : A (G ((3 <= DiskControllerUnit)))
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:116
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:122
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:169
lola: rewrite Frontend/Parser/formula_rewrite.k:398
lola: rewrite Frontend/Parser/formula_rewrite.k:479
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:121
lola: rewrite Frontend/Parser/formula_rewrite.k:389
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: TRUE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: TRUE
lola: processed formula length: 4
lola: 20 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-5 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (X (((CPUUnit <= 0)))) OR A (G ((1 <= DiskControllerUnit))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((1 <= DiskControllerUnit)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: processed formula: A (G ((1 <= DiskControllerUnit)))
lola: processed formula length: 33
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: formula 0: (DiskControllerUnit <= 0)
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-0.sara
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: state equation: calling and running sara
lola: 33 markings, 32 edges
lola: ========================================
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (((CPUUnit <= 0))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
sara: try reading problem file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-0.sara.
lola: processed formula: AX(((CPUUnit <= 0)))
lola: processed formula length: 20
lola: 21 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 0 markings, 0 edges
lola: ========================================lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.

lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (A (G ((TaskSuspended + 1 <= CPUUnit)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance from all successors
lola: rewrite Frontend/Parser/formula_rewrite.k:663
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (CPUUnit <= TaskSuspended)
lola: processed formula length: 26
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EXEF)
lola: state space: using reachability graph (EXef version) (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space /EXEF
lola: The predicate is not invariant from successors.
lola: 192 markings, 191 edges

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
sara: place or transition ordering is non-deterministic
lola: subprocess 3 will run for 274 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((3 <= DiskControllerUnit)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G ((3 <= DiskControllerUnit)))
lola: processed formula length: 33
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: (DiskControllerUnit <= 2)
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: ========================================
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 31 markings, 30 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((ExecutingTask <= CPUUnit)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G ((ExecutingTask <= CPUUnit)))
lola: processed formula length: 34
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: (CPUUnit + 1 <= ExecutingTask)
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-4-0.sara

lola: state equation: calling and running sara
sara: try reading problem file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-4-0.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: 3305 markings, 4960 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 5 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((TaskSuspended + 1 <= FreeMemSegment)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: processed formula: A (G ((TaskSuspended + 1 <= FreeMemSegment)))
lola: processed formula length: 45
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: formula 0: (FreeMemSegment <= TaskSuspended)
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-5-0.sara
lola: state equation: calling and running sara
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 225 markings, 224 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 6 will run for 357 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (((TaskSuspended + 1 <= CPUUnit) OR (DiskControllerUnit <= 0))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G (((TaskSuspended + 1 <= CPUUnit) OR (DiskControllerUnit <= 0))))
lola: processed formula length: 70
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: ((CPUUnit <= TaskSuspended) AND (1 <= DiskControllerUnit))
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-6-0.sara
lola: state equation: calling and running sara
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 193 markings, 192 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-3 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 7 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (((FreeMemSegment <= TaskSuspended) AND (TaskReady <= DiskControllerUnit))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:625
lola: processed formula: E (F (((FreeMemSegment <= TaskSuspended) AND (TaskReady <= DiskControllerUnit))))
lola: processed formula length: 81
lola: 21 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:625
lola: formula 0: ((FreeMemSegment <= TaskSuspended) AND (TaskReady <= DiskControllerUnit))
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-7-0.sara
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 225 markings, 224 edges
lola:
FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-0 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
========================================
lola: subprocess 8 will run for 446 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (((FreeMemSegment <= 1) AND (TransferToDisk <= 2) AND ((FreeMemSegment + 1 <= LoadingMem) OR (DiskControllerUnit + 1 <= ExecutingTask)))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:625
lola: processed formula: E (F (((FreeMemSegment <= 1) AND (TransferToDisk <= 2) AND ((FreeMemSegment + 1 <= LoadingMem) OR (DiskControllerUnit + 1 <= ExecutingTask)))))
lola: processed formula length: 144
lola: 21 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:625
lola: formula 0: ((FreeMemSegment <= 1) AND (TransferToDisk <= 2) AND ((FreeMemSegment + 1 <= LoadingMem) OR (DiskControllerUnit + 1 <= ExecutingTask)))
lola: state equation: Generated DNF with 6 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-8-0.sara
lola: state equation: calling and running sara
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 223 markings, 222 edges

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 9 will run for 510 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E (F ((LoadingMem <= FreeMemSegment)))))
lola: ========================================
lola: SUBTASK
lola: checking liveness
lola: AGEF init
lola: rewrite Frontend/Parser/formula_rewrite.k:617
lola: processed formula: (LoadingMem <= FreeMemSegment)
lola: processed formula length: 30
lola: 21 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: ========================================
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using tscc preserving stubborn set method (--stubborn)
lola: RUNNING
lola: 2924353 markings, 7741806 edges, 584871 markings/sec, 0 secs
lola: 5541529 markings, 14967783 edges, 523435 markings/sec, 5 secs
lola: 8026140 markings, 21870105 edges, 496922 markings/sec, 10 secs
lola: 10427926 markings, 28576370 edges, 480357 markings/sec, 15 secs
lola: 12780865 markings, 35181776 edges, 470588 markings/sec, 20 secs
lola: 15082554 markings, 41651929 edges, 460338 markings/sec, 25 secs
lola: 17328850 markings, 47989197 edges, 449259 markings/sec, 30 secs
lola: 19517799 markings, 54204951 edges, 437790 markings/sec, 35 secs
lola: 21702324 markings, 60389419 edges, 436905 markings/sec, 40 secs
lola: 23814553 markings, 66414320 edges, 422446 markings/sec, 45 secs
lola: 25947526 markings, 72466054 edges, 426595 markings/sec, 50 secs
lola: 28049121 markings, 78454979 edges, 420319 markings/sec, 55 secs
lola: 30083275 markings, 84266089 edges, 406831 markings/sec, 60 secs
lola: 32134173 markings, 90114363 edges, 410180 markings/sec, 65 secs
lola: 34192506 markings, 95993607 edges, 411667 markings/sec, 70 secs
lola: 36197791 markings, 101758219 edges, 401057 markings/sec, 75 secs
lola: 38204030 markings, 107525501 edges, 401248 markings/sec, 80 secs
lola: 40231945 markings, 113331248 edges, 405583 markings/sec, 85 secs
lola: 42216618 markings, 119025810 edges, 396935 markings/sec, 90 secs
lola: 44196731 markings, 124727561 edges, 396023 markings/sec, 95 secs
lola: 46001569 markings, 129960740 edges, 360968 markings/sec, 100 secs
lola: 47715233 markings, 134854995 edges, 342733 markings/sec, 105 secs
lola: 49433964 markings, 139836200 edges, 343746 markings/sec, 110 secs
lola: 51173754 markings, 144836154 edges, 347958 markings/sec, 115 secs
lola: 52996371 markings, 150078548 edges, 364523 markings/sec, 120 secs
lola: 54835203 markings, 155445994 edges, 367766 markings/sec, 125 secs
lola: 56741341 markings, 160957133 edges, 381228 markings/sec, 130 secs
lola: 58606790 markings, 166362362 edges, 373090 markings/sec, 135 secs
lola: 60463978 markings, 171755344 edges, 371438 markings/sec, 140 secs
lola: 62364226 markings, 177277816 edges, 380050 markings/sec, 145 secs
lola: 64266080 markings, 182772542 edges, 380371 markings/sec, 150 secs
lola: 66102616 markings, 188172779 edges, 367307 markings/sec, 155 secs
lola: 67997893 markings, 193721249 edges, 379055 markings/sec, 160 secs
lola: 69863392 markings, 199165894 edges, 373100 markings/sec, 165 secs
lola: 71733631 markings, 204645141 edges, 374048 markings/sec, 170 secs
lola: 73565371 markings, 210058261 edges, 366348 markings/sec, 175 secs
lola: 75387737 markings, 215451249 edges, 364473 markings/sec, 180 secs
lola: 77239500 markings, 220932934 edges, 370353 markings/sec, 185 secs
lola: 79085859 markings, 226395920 edges, 369272 markings/sec, 190 secs
lola: 80911294 markings, 231858068 edges, 365087 markings/sec, 195 secs
lola: 82700652 markings, 237238348 edges, 357872 markings/sec, 200 secs
lola: 84499630 markings, 242653779 edges, 359796 markings/sec, 205 secs
lola: 86256767 markings, 247985006 edges, 351427 markings/sec, 210 secs
lola: 88044484 markings, 253415380 edges, 357543 markings/sec, 215 secs
lola: 89887383 markings, 259023892 edges, 368580 markings/sec, 220 secs
lola: 91853433 markings, 265043082 edges, 393210 markings/sec, 225 secs
lola: 92515271 markings, 272458771 edges, 132368 markings/sec, 230 secs
lola: 92517973 markings, 278400912 edges, 540 markings/sec, 235 secs
lola: 92520025 markings, 283814143 edges, 410 markings/sec, 240 secs
lola: 92521879 markings, 289146516 edges, 371 markings/sec, 245 secs
lola: 92523788 markings, 294467829 edges, 382 markings/sec, 250 secs
lola: 93257878 markings, 300896571 edges, 146818 markings/sec, 255 secs
lola: 93259478 markings, 305941134 edges, 320 markings/sec, 260 secs
lola: 93277000 markings, 311124329 edges, 3504 markings/sec, 265 secs
lola: 93307474 markings, 316144648 edges, 6095 markings/sec, 270 secs
lola: 93346760 markings, 321338491 edges, 7857 markings/sec, 275 secs
lola: 93487071 markings, 326500721 edges, 28062 markings/sec, 280 secs
lola: 93526839 markings, 331375658 edges, 7954 markings/sec, 285 secs
lola: 93698434 markings, 336531952 edges, 34319 markings/sec, 290 secs
lola: 93818256 markings, 341614492 edges, 23964 markings/sec, 295 secs
lola: 94010421 markings, 346783004 edges, 38433 markings/sec, 300 secs
lola: 94075998 markings, 351677632 edges, 13115 markings/sec, 305 secs
lola: 94118505 markings, 356516192 edges, 8501 markings/sec, 310 secs
lola: 94405724 markings, 361771858 edges, 57444 markings/sec, 315 secs
lola: 94547498 markings, 366774787 edges, 28355 markings/sec, 320 secs
lola: 94752411 markings, 371846850 edges, 40983 markings/sec, 325 secs
lola: 94778439 markings, 376159120 edges, 5206 markings/sec, 330 secs
lola: 94835933 markings, 380757845 edges, 11499 markings/sec, 335 secs
lola: 95058472 markings, 385564963 edges, 44508 markings/sec, 340 secs
lola: 95220189 markings, 390189462 edges, 32343 markings/sec, 345 secs
lola: 95426092 markings, 395074634 edges, 41181 markings/sec, 350 secs
lola: 95528313 markings, 399664199 edges, 20444 markings/sec, 355 secs
lola: 95651788 markings, 404324542 edges, 24695 markings/sec, 360 secs
lola: 95682125 markings, 408677342 edges, 6067 markings/sec, 365 secs
lola: 95849540 markings, 413245365 edges, 33483 markings/sec, 370 secs
lola: 96003908 markings, 417934847 edges, 30874 markings/sec, 375 secs
lola: 96292863 markings, 422876812 edges, 57791 markings/sec, 380 secs
lola: 96418543 markings, 427623736 edges, 25136 markings/sec, 385 secs
lola: 96619400 markings, 432320871 edges, 40171 markings/sec, 390 secs
lola: 96814875 markings, 437042612 edges, 39095 markings/sec, 395 secs
lola: 96897308 markings, 441195402 edges, 16487 markings/sec, 400 secs
lola: 96934722 markings, 445364944 edges, 7483 markings/sec, 405 secs
lola: 97120221 markings, 449850740 edges, 37100 markings/sec, 410 secs
lola: 97317497 markings, 454341564 edges, 39455 markings/sec, 415 secs
lola: 97353380 markings, 458371392 edges, 7177 markings/sec, 420 secs
lola: 97499339 markings, 463042107 edges, 29192 markings/sec, 425 secs
lola: 97653146 markings, 467816594 edges, 30761 markings/sec, 430 secs
lola: 97749402 markings, 472336161 edges, 19251 markings/sec, 435 secs
lola: 97941530 markings, 476842053 edges, 38426 markings/sec, 440 secs
lola: 98081728 markings, 481330430 edges, 28040 markings/sec, 445 secs
lola: 98266723 markings, 486026096 edges, 36999 markings/sec, 450 secs
lola: 98487356 markings, 490769008 edges, 44127 markings/sec, 455 secs
lola: 98575147 markings, 495350299 edges, 17558 markings/sec, 460 secs
lola: 98976471 markings, 500501989 edges, 80265 markings/sec, 465 secs
lola: 99056120 markings, 505121599 edges, 15930 markings/sec, 470 secs
lola: 99142282 markings, 509584734 edges, 17232 markings/sec, 475 secs
lola: 99331626 markings, 514201963 edges, 37869 markings/sec, 480 secs
lola: 99424606 markings, 518572160 edges, 18596 markings/sec, 485 secs
lola: 99646924 markings, 523311002 edges, 44464 markings/sec, 490 secs
lola: 99754956 markings, 527760454 edges, 21606 markings/sec, 495 secs
lola: 99873387 markings, 532336665 edges, 23686 markings/sec, 500 secs
lola: local time limit reached - aborting
lola:
preliminary result: yes yes unknown no no yes unknown no unknown unknown unknown no unknown unknown no no
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 10 will run for 509 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((((CPUUnit + 1 <= TaskReady) OR (TaskReady + 1 <= CPUUnit)) OR A (G ((3 <= ExecutingTask))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:312
lola: processed formula: NOT(E(TRUE U (((TaskReady <= CPUUnit) AND (CPUUnit <= TaskReady)) AND E(TRUE U (ExecutingTask <= 2)))))
lola: processed formula length: 103
lola: 26 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 160 markings, 160 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 11 will run for 611 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((((2 <= LoadingMem) OR ((1 <= LoadingMem) AND (1 <= TaskReady))) AND E (G ((TaskOnDisk <= FreeMemSegment))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: E(TRUE U (((2 <= LoadingMem) OR ((1 <= LoadingMem) AND (1 <= TaskReady))) AND NOT(A(TRUE U (FreeMemSegment + 1 <= TaskOnDisk)))))
lola: processed formula length: 130
lola: 23 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: 2821610 markings, 8079850 edges, 564322 markings/sec, 0 secs
lola: 4255405 markings, 15433551 edges, 286759 markings/sec, 5 secs
lola: 5320686 markings, 22389783 edges, 213056 markings/sec, 10 secs
lola: 6448461 markings, 29794493 edges, 225555 markings/sec, 15 secs
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 6538081 markings, 31404098 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-9 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 12 will run for 759 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F (A (G ((1 <= DiskControllerUnit)))))
lola: ========================================
lola: SUBTASK
lola: checking eventual invariance
lola: rewrite Frontend/Parser/formula_rewrite.k:665
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (DiskControllerUnit <= 0)
lola: processed formula length: 25
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EGEF)
lola: state space: using reachability graph (EGEF version) (--search=depth)
lola: state space: using ctl preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space /EGEF
lola: The predicate is not eventually invariant.
lola: 3298 markings, 6367 edges
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 13 will run for 1012 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (((2 <= TransferToDisk) AND (((1 <= CPUUnit) AND (TaskSuspended <= 1)) OR (CPUUnit <= TaskSuspended))) OR A (G (A (F ((1 <= CPUUnit))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 13 will run for 1012 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (A (F ((1 <= CPUUnit)))))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence in all states
lola: rewrite Frontend/Parser/formula_rewrite.k:644
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (CPUUnit <= 0)
lola: processed formula length: 14
lola: 22 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EFEG)
lola: state space: using reachability graph (EFEG version) (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space /EFEG
lola: The predicate does not eventually occur from all states.
lola: 11608 markings, 20078 edges
lola: ========================================
lola: subprocess 14 will run for 1519 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((2 <= TransferToDisk) AND (((1 <= CPUUnit) AND (TaskSuspended <= 1)) OR (CPUUnit <= TaskSuspended)))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: ((2 <= TransferToDisk) AND (((1 <= CPUUnit) AND (TaskSuspended <= 1)) OR (CPUUnit <= TaskSuspended)))
lola: processed formula length: 102
lola: 20 rewrites
lola: closed formula file SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality.task
lola: processed formula with 4 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================

FORMULA SmallOperatingSystem-PT-MT0128DC0032-CTLCardinality-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 14 will run for 1519 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G ((1 <= CPUUnit))) OR (A (G ((3 <= FreeMemSegment))) AND A (F (A (G ((1 <= CPUUnit)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: local time limit reached - aborting
lola:
preliminary result: yes yes no no no yes unknown no unknown no no no unknown no no no
lola: caught signal User defined signal 1 - aborting LoLA
lola: memory consumption: 23756 KB
lola: time consumption: 2051 seconds
lola: time limit reached - aborting
lola:
preliminary result: yes yes no no no yes unknown no unknown no no no unknown no no no
lola:
preliminary result: yes yes no no no yes unknown no unknown no no no unknown no no no
lola: memory consumption: 23756 KB
lola: time consumption: 3570 seconds

BK_TIME_CONFINEMENT_REACHED

--------------------
content from 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="SmallOperatingSystem-PT-MT0128DC0032"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="lola"
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/SmallOperatingSystem-PT-MT0128DC0032.tgz
mv SmallOperatingSystem-PT-MT0128DC0032 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 lola"
echo " Input is SmallOperatingSystem-PT-MT0128DC0032, 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 r160-smll-152705512400038"
echo "====================================================================="
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
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 ;