Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r364-tall-171683777600298.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldPPPs-PT-030B, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r364-tall-171683777600298
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 984K
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 19 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Apr 13 11:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 13 11:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 528K May 18 16:43 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 StableMarking

=== Now, execution of the tool begins

BK_START 1716913316200

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-030B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 16:21:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2024-05-28 16:21:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 16:21:57] [INFO ] Load time of PNML (sax parser for PT used): 165 ms
[2024-05-28 16:21:57] [INFO ] Transformed 2043 places.
[2024-05-28 16:21:57] [INFO ] Transformed 1893 transitions.
[2024-05-28 16:21:57] [INFO ] Found NUPN structural information;
[2024-05-28 16:21:57] [INFO ] Parsed PT model containing 2043 places and 1893 transitions and 5226 arcs in 352 ms.
Structural test allowed to assert that 814 places are NOT stable. Took 16 ms.
RANDOM walk for 40000 steps (8 resets) in 3132 ms. (12 steps per ms) remains 173/1229 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 28 ms. (13 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 25 ms. (15 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 25 ms. (15 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 29 ms. (13 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 5 ms. (67 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 401 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 173/173 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 173/173 properties
// Phase 1: matrix 1893 rows 2043 cols
[2024-05-28 16:21:59] [INFO ] Computed 331 invariants in 30 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 173/173 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 286/459 variables, 60/233 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/459 variables, 286/519 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 1584/2043 variables, 271/790 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2043 variables, 1584/2374 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s55 (/ 3.0 4.0))
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(s57 (/ 1.0 12.0))
(s58 0.0)
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(s64 (/ 3.0 4.0))
(s65 0.0)
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(s116 (/ 3.0 4.0))
(s117 (/ 1.0 12.0))
(s118 0.0)
(s119 (/ 1.0 12.0))
(s120 (/ 1.0 12.0))
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(s122 (/ 1.0 12.0))
(s123 (/ 3.0 4.0))
(s124 (/ 1.0 12.0))
(s125 0.0)
(s126 (/ 1.0 12.0))
(s127 (/ 1.0 12.0))
(s128 (/ 1.0 12.0))
(s129 (/ 3.0 4.0))
(s130 (/ 1.0 12.0))
(s131 (/ 3.0 4.0))
(s132 0.0)
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(s134 (/ 1.0 12.0))
(s135 (/ 1.0 12.0))
(s136 (/ 1.0 12.0))
(s137 (/ 1.0 12.0))
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(s139 0.0)
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(s144 (/ 1.0 12.0))
(s145 0.0)
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(s147 (/ 1.0 12.0))
(s148 (/ 1.0 12.0))
(s149 (/ 7.0 12.0))
(s150 (/ 1.0 12.0))
(s151 (/ 1.0 12.0))
(s152 (/ 1.0 12.0))
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 (/ 1.0 2.0))
(s158 (/ 1.0 12.0))
(s159 (/ 1.0 12.0))
(s160 (/ 1.0 12.0))
(s161 (/ 1.0 12.0))
(s162 (/ 1.0 12.0))
(s163 (/ 1.0 12.0))
(s164 0.0)
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(s166 0.0)
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(s168 0.0)
(s169 0.0)
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(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 (/ 11.0 12.0))
(s177 (/ 1.0 12.0))
(s178 0.0)
(s179 (/ 1.0 12.0))
(s180 (/ 1.0 12.0))
(s181 (/ 3.0 4.0))
(s182 (/ 1.0 12.0))
(s183 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2043/3936 variables, and 2374 constraints, problems are : Problem set: 0 solved, 173 unsolved in 5049 ms.
Refiners :[Domain max(s): 2043/2043 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/2043 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 173/173 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 286/459 variables, 60/233 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/459 variables, 286/519 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 1584/2043 variables, 271/790 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2043 variables, 1584/2374 constraints. Problems are: Problem set: 0 solved, 173 unsolved
[2024-05-28 16:22:07] [INFO ] Deduced a trap composed of 26 places in 327 ms of which 57 ms to minimize.
[2024-05-28 16:22:08] [INFO ] Deduced a trap composed of 18 places in 381 ms of which 13 ms to minimize.
[2024-05-28 16:22:08] [INFO ] Deduced a trap composed of 27 places in 228 ms of which 4 ms to minimize.
[2024-05-28 16:22:08] [INFO ] Deduced a trap composed of 20 places in 245 ms of which 4 ms to minimize.
[2024-05-28 16:22:08] [INFO ] Deduced a trap composed of 29 places in 200 ms of which 13 ms to minimize.
[2024-05-28 16:22:09] [INFO ] Deduced a trap composed of 28 places in 188 ms of which 3 ms to minimize.
[2024-05-28 16:22:09] [INFO ] Deduced a trap composed of 22 places in 190 ms of which 4 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s768 0)timeout

(s769 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2043/3936 variables, and 2381 constraints, problems are : Problem set: 0 solved, 173 unsolved in 5015 ms.
Refiners :[Domain max(s): 2043/2043 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/2043 constraints, PredecessorRefiner: 0/173 constraints, Known Traps: 7/7 constraints]
After SMT, in 10266ms problems are : Problem set: 0 solved, 173 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 173 out of 2043 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2043/2043 places, 1893/1893 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 197 transitions
Trivial Post-agglo rules discarded 197 transitions
Performed 197 trivial Post agglomeration. Transition count delta: 197
Iterating post reduction 0 with 197 rules applied. Total rules applied 197 place count 2043 transition count 1696
Reduce places removed 197 places and 0 transitions.
Iterating post reduction 1 with 197 rules applied. Total rules applied 394 place count 1846 transition count 1696
Performed 145 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 145 Pre rules applied. Total rules applied 394 place count 1846 transition count 1551
Deduced a syphon composed of 145 places in 5 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 2 with 290 rules applied. Total rules applied 684 place count 1701 transition count 1551
Discarding 173 places :
Symmetric choice reduction at 2 with 173 rule applications. Total rules 857 place count 1528 transition count 1378
Iterating global reduction 2 with 173 rules applied. Total rules applied 1030 place count 1528 transition count 1378
Performed 79 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 79 Pre rules applied. Total rules applied 1030 place count 1528 transition count 1299
Deduced a syphon composed of 79 places in 4 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 1188 place count 1449 transition count 1299
Performed 430 Post agglomeration using F-continuation condition.Transition count delta: 430
Deduced a syphon composed of 430 places in 1 ms
Reduce places removed 430 places and 0 transitions.
Iterating global reduction 2 with 860 rules applied. Total rules applied 2048 place count 1019 transition count 869
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 226 times.
Drop transitions (Partial Free agglomeration) removed 226 transitions
Iterating global reduction 2 with 226 rules applied. Total rules applied 2274 place count 1019 transition count 869
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2275 place count 1018 transition count 868
Applied a total of 2275 rules in 795 ms. Remains 1018 /2043 variables (removed 1025) and now considering 868/1893 (removed 1025) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 805 ms. Remains : 1018/2043 places, 868/1893 transitions.
RANDOM walk for 70480 steps (10 resets) in 1713 ms. (41 steps per ms) remains 0/173 properties
Able to resolve query StableMarking after proving 1230 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 13302 ms.
ITS solved all properties within timeout

BK_STOP 1716913330660

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML

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-030B"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ShieldPPPs-PT-030B, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r364-tall-171683777600298"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-030B.tgz
mv ShieldPPPs-PT-030B execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;