Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r203-tall-174894541200477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldPPPs-PT-100A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r203-tall-174894541200477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 217K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 907K May 29 14:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748999812391

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-100A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-04 01:16:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-04 01:16:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 01:16:54] [INFO ] Load time of PNML (sax parser for PT used): 211 ms
[2025-06-04 01:16:54] [INFO ] Transformed 3103 places.
[2025-06-04 01:16:54] [INFO ] Transformed 2603 transitions.
[2025-06-04 01:16:54] [INFO ] Found NUPN structural information;
[2025-06-04 01:16:54] [INFO ] Parsed PT model containing 3103 places and 2603 transitions and 10006 arcs in 435 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3103/3103 places, 2603/2603 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 72 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 3101 transition count 2601
Applied a total of 4 rules in 363 ms. Remains 3101 /3103 variables (removed 2) and now considering 2601/2603 (removed 2) transitions.
// Phase 1: matrix 2601 rows 3101 cols
[2025-06-04 01:16:54] [INFO ] Computed 1101 invariants in 33 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 01:16:57] [INFO ] Implicit Places using invariants in 2564 ms returned []
[2025-06-04 01:16:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 01:17:02] [INFO ] Implicit Places using invariants and state equation in 4815 ms returned []
Implicit Place search using SMT with State Equation took 7430 ms to find 0 implicit places.
Running 2600 sub problems to find dead transitions.
[2025-06-04 01:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3100 variables, 3100/3100 constraints. Problems are: Problem set: 0 solved, 2600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3100/5702 variables, and 3100 constraints, problems are : Problem set: 0 solved, 2600 unsolved in 30085 ms.
Refiners :[Domain max(s): 3100/3101 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3101 constraints, PredecessorRefiner: 2600/2600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3100 variables, 3100/3100 constraints. Problems are: Problem set: 0 solved, 2600 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
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(s661 timeout
1)
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3100/5702 variables, and 3100 constraints, problems are : Problem set: 0 solved, 2600 unsolved in 30054 ms.
Refiners :[Domain max(s): 3100/3101 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3101 constraints, PredecessorRefiner: 0/2600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61666ms problems are : Problem set: 0 solved, 2600 unsolved
Search for dead transitions found 0 dead transitions in 61695ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3101/3103 places, 2601/2603 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 69531 ms. Remains : 3101/3103 places, 2601/2603 transitions.
Discarding 600 transitions out of 2601. Remains 2001
Initial state reduction rules removed 1 formulas.
[2025-06-04 01:18:05] [INFO ] Flatten gal took : 755 ms
[2025-06-04 01:18:05] [INFO ] Flatten gal took : 392 ms
[2025-06-04 01:18:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11265831318384566543.gal : 101 ms
[2025-06-04 01:18:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12359797928798270789.prop : 18 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11265831318384566543.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12359797928798270789.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12359797928798270789.prop.
RANDOM walk for 40000 steps (8 resets) in 11068 ms. (3 steps per ms) remains 927/2000 properties
BEST_FIRST walk for 122 steps (8 resets) in 28 ms. (4 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 927/927 properties
BEST_FIRST walk for 124 steps (8 resets) in 41 ms. (2 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 65 ms. (1 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 24 ms. (4 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 927/927 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 927/927 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 927/927 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 927/927 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 927/927 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 927/927 properties
[2025-06-04 01:18:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
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(s11 1.0)
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(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
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(s20 1.0)
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(s25 1.0)
(s26 1.0)
(s27 1.0)
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(s29 1.0)
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(s35 1.0)
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(s480 1.0)
(s481 1.0)
(s482 1.0)
(s483 1.0)
(s484 1.0)
(s485 1.0)
(s486 1.0)
(s487 1.0)
(s488 1.0)
(s489 1.0)
(s490 1.0)
(s491 1.0)
(s492 1.0)
(s493 1.0)
(s494 1.0)
(s495 1.0)
(s496 1.0)
(s497 1.0)
(s498 1.0)
(s499 1.0)
(s500 1.0)
(s501 1.0)
(s502 1.0)
(s503 1.0)
(s504 1.0)
(s505 1.0)
(s506 1.0)
(s507 1.0)
(s508 1.0)
(s509 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1444 variables, 1444/1444 constraints. Problems are: Problem set: 0 solved, 927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1444/5702 variables, and 1444 constraints, problems are : Problem set: 0 solved, 927 unsolved in 5043 ms.
Refiners :[Domain max(s): 1444/3101 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3101 constraints, PredecessorRefiner: 927/927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 927 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1444 variables, 1444/1444 constraints. Problems are: Problem set: 0 solved, 927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1444/5702 variables, and 1444 constraints, problems are : Problem set: 0 solved, 927 unsolved in 5026 ms.
Refiners :[Domain max(s): 1444/3101 constraints, Positive P Invariants (semi-flows): 0/1101 constraints, State Equation: 0/3101 constraints, PredecessorRefiner: 0/927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10742ms problems are : Problem set: 0 solved, 927 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1444 out of 3101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3101/3101 places, 2601/2601 transitions.
Partial Free-agglomeration rule applied 472 times.
Drop transitions (Partial Free agglomeration) removed 472 transitions
Iterating global reduction 0 with 472 rules applied. Total rules applied 472 place count 3101 transition count 2601
Applied a total of 472 rules in 971 ms. Remains 3101 /3101 variables (removed 0) and now considering 2601/2601 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 971 ms. Remains : 3101/3101 places, 2601/2601 transitions.
Reachability property qltransition_1124 is true.
Reachability property qltransition_1110 is true.
Reachability property qltransition_1109 is true.
Reachability property qltransition_1097 is true.
Reachability property qltransition_1095 is true.
SDD proceeding with computation,1995 properties remain. new max is 2
SDD size :2 after 5
Reachability property qltransition_1139 is true.
Reachability property qltransition_1125 is true.
Reachability property qltransition_898 is true.
SDD proceeding with computation,1992 properties remain. new max is 2
SDD size :5 after 8
Reachability property qltransition_1154 is true.
Reachability property qltransition_1140 is true.
Reachability property qltransition_1093 is true.
SDD proceeding with computation,1989 properties remain. new max is 2
SDD size :8 after 11
Reachability property qltransition_1169 is true.
Reachability property qltransition_1155 is true.
Reachability property qltransition_900 is true.
SDD proceeding with computation,1986 properties remain. new max is 2
SDD size :11 after 14
RANDOM walk for 465819 steps (23 resets) in 22345 ms. (20 steps per ms) remains 0/927 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2001 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 91484 ms.

BK_STOP 1748999905445

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="ShieldPPPs-PT-100A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldPPPs-PT-100A, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r203-tall-174894541200477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-100A.tgz
mv ShieldPPPs-PT-100A execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;