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.r508-tall-171654351500398.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 NQueens-PT-30, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r508-tall-171654351500398
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 19 07:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Apr 12 03:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 200K Apr 12 03:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 12 03:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Apr 12 03:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 759K 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 NQueens-PT-30-ReachabilityCardinality-2024-00
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-01
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-02
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-03
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-04
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-05
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-06
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-07
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-08
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-09
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-10
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-11
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-12
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-13
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-14
FORMULA_NAME NQueens-PT-30-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717237137224

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NQueens-PT-30
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 10:18:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 10:18:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 10:18:58] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2024-06-01 10:18:58] [INFO ] Transformed 1080 places.
[2024-06-01 10:18:58] [INFO ] Transformed 900 transitions.
[2024-06-01 10:18:58] [INFO ] Found NUPN structural information;
[2024-06-01 10:18:58] [INFO ] Parsed PT model containing 1080 places and 900 transitions and 4500 arcs in 248 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (1431 resets) in 4317 ms. (9 steps per ms) remains 8/14 properties
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 431 ms. (92 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1034 ms. (38 steps per ms) remains 7/8 properties
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 258 ms. (154 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 262 ms. (152 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 7/7 properties
// Phase 1: matrix 900 rows 1078 cols
[2024-06-01 10:19:00] [INFO ] Computed 178 invariants in 43 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 171/171 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/171 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem NQueens-PT-30-ReachabilityCardinality-2024-01 is UNSAT
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem NQueens-PT-30-ReachabilityCardinality-2024-05 is UNSAT
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem NQueens-PT-30-ReachabilityCardinality-2024-08 is UNSAT
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem NQueens-PT-30-ReachabilityCardinality-2024-11 is UNSAT
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 888/1059 variables, 159/330 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1059 variables, 888/1218 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1059 variables, 0/1218 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 19/1078 variables, 19/1237 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1078 variables, 19/1256 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1078 variables, 0/1256 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1978/1978 variables, and 2334 constraints, problems are : Problem set: 4 solved, 3 unsolved in 5047 ms.
Refiners :[Domain max(s): 1078/1078 constraints, Positive P Invariants (semi-flows): 178/178 constraints, State Equation: 1078/1078 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) 0/44 variables, 44/44 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/44 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 926/970 variables, 90/134 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/970 variables, 926/1060 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/970 variables, 0/1060 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 108/1078 variables, 88/1148 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1078 variables, 108/1256 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1078 variables, 0/1256 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1978/1978 variables, and 2334 constraints, problems are : Problem set: 4 solved, 3 unsolved in 5010 ms.
Refiners :[Domain max(s): 1078/1078 constraints, Positive P Invariants (semi-flows): 178/178 constraints, State Equation: 1078/1078 constraints, PredecessorRefiner: 0/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 10252ms problems are : Problem set: 4 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 44 out of 1078 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1078/1078 places, 900/900 transitions.
Graph (complete) has 3600 edges and 1078 vertex of which 204 are kept as prefixes of interest. Removing 874 places using SCC suffix rule.4 ms
Discarding 874 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 732 transitions
Reduce isomorphic transitions removed 732 transitions.
Iterating post reduction 0 with 732 rules applied. Total rules applied 733 place count 204 transition count 168
Applied a total of 733 rules in 29 ms. Remains 204 /1078 variables (removed 874) and now considering 168/900 (removed 732) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 204/1078 places, 168/900 transitions.
RANDOM walk for 40000 steps (2605 resets) in 963 ms. (41 steps per ms) remains 1/3 properties
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 12765 steps (13 resets) in 65 ms. (193 steps per ms) remains 0/1 properties
FORMULA NQueens-PT-30-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.
Total runtime 13033 ms.
ITS solved all properties within timeout

BK_STOP 1717237151391

--------------------
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//
++ perl -pe 's/.*\.//g'
++ 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 ReachabilityCardinality -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="NQueens-PT-30"
export BK_EXAMINATION="ReachabilityCardinality"
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 NQueens-PT-30, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r508-tall-171654351500398"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-30.tgz
mv NQueens-PT-30 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;