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.r536-tall-171690533300839.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Szymanski-PT-a08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690533300839
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 23 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 19:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Apr 11 14:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 11 14:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 11 14:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Apr 11 14:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 101K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-00
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-01
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-02
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-03
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-04
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-05
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-06
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-07
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-08
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-09
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-10
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-11
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-12
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-13
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-14
FORMULA_NAME Szymanski-PT-a08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717281051191

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-a08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 22:30:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 22:30:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 22:30:52] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2024-06-01 22:30:52] [INFO ] Transformed 61 places.
[2024-06-01 22:30:52] [INFO ] Transformed 224 transitions.
[2024-06-01 22:30:52] [INFO ] Parsed PT model containing 61 places and 224 transitions and 900 arcs in 165 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 8 transitions.
RANDOM walk for 40002 steps (40 resets) in 1040 ms. (38 steps per ms) remains 7/16 properties
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 412 ms. (96 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 365 ms. (109 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (18 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 614 ms. (65 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 79 ms. (500 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (12 resets) in 69 ms. (571 steps per ms) remains 7/7 properties
[2024-06-01 22:30:53] [INFO ] Flow matrix only has 79 transitions (discarded 137 similar events)
// Phase 1: matrix 79 rows 49 cols
[2024-06-01 22:30:53] [INFO ] Computed 3 invariants in 14 ms
[2024-06-01 22:30:53] [INFO ] State equation strengthened by 9 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem Szymanski-PT-a08-ReachabilityFireability-2024-00 is UNSAT
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-a08-ReachabilityFireability-2024-01 is UNSAT
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-a08-ReachabilityFireability-2024-06 is UNSAT
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem Szymanski-PT-a08-ReachabilityFireability-2024-12 is UNSAT
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 16/48 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/49 variables, 1/3 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 79/128 variables, 49/52 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 9/61 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/61 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/128 variables, 0/61 constraints. Problems are: Problem set: 4 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 128/128 variables, and 61 constraints, problems are : Problem set: 4 solved, 3 unsolved in 280 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 28/48 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 3 unsolved
[2024-06-01 22:30:53] [INFO ] Deduced a trap composed of 8 places in 59 ms of which 9 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 1/3 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/49 variables, 1/4 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/49 variables, 0/4 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 79/128 variables, 49/53 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 9/62 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 3/65 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/128 variables, 0/65 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/128 variables, 0/65 constraints. Problems are: Problem set: 4 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 128/128 variables, and 65 constraints, problems are : Problem set: 4 solved, 3 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 49/49 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 3/7 constraints, Known Traps: 1/1 constraints]
After SMT, in 671ms problems are : Problem set: 4 solved, 3 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 20 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 216/216 transitions.
Graph (complete) has 251 edges and 49 vertex of which 47 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 44 transition count 204
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 44 transition count 204
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 23 place count 44 transition count 188
Applied a total of 23 rules in 36 ms. Remains 44 /49 variables (removed 5) and now considering 188/216 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 44/49 places, 188/216 transitions.
RANDOM walk for 40014 steps (41 resets) in 118 ms. (336 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (15 resets) in 60 ms. (655 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (15 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
Finished probabilistic random walk after 509 steps, run visited all 3 properties in 19 ms. (steps per millisecond=26 )
Probabilistic random walk after 509 steps, saw 386 distinct states, run finished after 23 ms. (steps per millisecond=22 ) properties seen :3
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Szymanski-PT-a08-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 2087 ms.
ITS solved all properties within timeout

BK_STOP 1717281054450

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -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="Szymanski-PT-a08"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Szymanski-PT-a08, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r536-tall-171690533300839"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-a08.tgz
mv Szymanski-PT-a08 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;