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.r514-smll-171654416900157.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 Peterson-PT-2, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r514-smll-171654416900157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1016K
-rw-r--r-- 1 mcc users 19K Apr 12 02:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 12 02:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 12 02:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 12 02:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.2K Apr 23 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Apr 23 07:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 28K Apr 23 07:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 42K Apr 12 02:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 262K Apr 12 02:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 42K Apr 12 02:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 224K Apr 12 02:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 2 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 100K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717244487903

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-PT-2
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 12:21:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 12:21:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 12:21:30] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2024-06-01 12:21:30] [INFO ] Transformed 102 places.
[2024-06-01 12:21:30] [INFO ] Transformed 126 transitions.
[2024-06-01 12:21:30] [INFO ] Found NUPN structural information;
[2024-06-01 12:21:30] [INFO ] Parsed PT model containing 102 places and 126 transitions and 384 arcs in 294 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 102/102 places, 126/126 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 102 transition count 90
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 66 transition count 90
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 72 place count 66 transition count 72
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 108 place count 48 transition count 72
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 120 place count 42 transition count 66
Applied a total of 120 rules in 79 ms. Remains 42 /102 variables (removed 60) and now considering 66/126 (removed 60) transitions.
[2024-06-01 12:21:30] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
// Phase 1: matrix 60 rows 42 cols
[2024-06-01 12:21:30] [INFO ] Computed 11 invariants in 12 ms
[2024-06-01 12:21:31] [INFO ] Implicit Places using invariants in 374 ms returned [31, 33, 34]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 493 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 39/102 places, 66/126 transitions.
Applied a total of 0 rules in 3 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 604 ms. Remains : 39/102 places, 66/126 transitions.
Discarding 3 transitions out of 66. Remains 63
RANDOM walk for 40000 steps (8 resets) in 2636 ms. (15 steps per ms) remains 9/63 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 221 ms. (180 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 6/6 properties
[2024-06-01 12:21:32] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
// Phase 1: matrix 60 rows 39 cols
[2024-06-01 12:21:32] [INFO ] Computed 8 invariants in 2 ms
[2024-06-01 12:21:32] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 26/38 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 26/45 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-06-01 12:21:32] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 8 ms to minimize.
[2024-06-01 12:21:32] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 1 ms to minimize.
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 1 ms to minimize.
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 6 places in 39 ms of which 2 ms to minimize.
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 4 ms to minimize.
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 7/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-06-01 12:21:33] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/39 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 60/99 variables, 39/94 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/99 variables, 22/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/99 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/99 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 99/99 variables, and 116 constraints, problems are : Problem set: 0 solved, 6 unsolved in 784 ms.
Refiners :[Domain max(s): 39/39 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 26/38 variables, 7/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 26/45 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 8/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 1/39 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 60/99 variables, 39/94 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/99 variables, 22/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/99 variables, 6/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/99 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/99 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 99/99 variables, and 122 constraints, problems are : Problem set: 0 solved, 6 unsolved in 393 ms.
Refiners :[Domain max(s): 39/39 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 8/8 constraints]
After SMT, in 1223ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 1 properties in 682 ms.
Support contains 10 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 66/66 transitions.
Applied a total of 0 rules in 11 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 39/39 places, 66/66 transitions.
RANDOM walk for 4000000 steps (8 resets) in 8772 ms. (455 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2206 ms. (1812 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2229 ms. (1793 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2316 ms. (1726 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2405 ms. (1662 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2355 ms. (1697 steps per ms) remains 5/5 properties
Finished probabilistic random walk after 3004 steps, run visited all 5 properties in 25 ms. (steps per millisecond=120 )
Probabilistic random walk after 3004 steps, saw 803 distinct states, run finished after 29 ms. (steps per millisecond=103 ) properties seen :5
Able to resolve query QuasiLiveness after proving 63 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 10306 ms.
ITS solved all properties within timeout

BK_STOP 1717244500674

--------------------
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 QuasiLiveness -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="Peterson-PT-2"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is Peterson-PT-2, 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 r514-smll-171654416900157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-2.tgz
mv Peterson-PT-2 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;