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.r546-smll-171701118800182.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 VehicularWifi-COL-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r546-smll-171701118800182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 8.7K Apr 11 23:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 11 23:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Apr 11 23:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 11 23:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 23:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Apr 11 23:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 11 23:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Apr 11 23:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 188K 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 1717258808682

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=VehicularWifi-COL-none
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 16:20:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 16:20:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 16:20:11] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 16:20:12] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 16:20:12] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1573 ms
[2024-06-01 16:20:13] [INFO ] Detected 1 constant HL places corresponding to 81920 PT places.
[2024-06-01 16:20:13] [INFO ] Imported 21 HL places and 41 HL transitions for a total of 115566 PT places and 379924.0 transition bindings in 117 ms.
[2024-06-01 16:20:14] [INFO ] Unfolded HLPN to a Petri net with 115566 places and 83836 transitions 301810 arcs in 1410 ms.
[2024-06-01 16:20:14] [INFO ] Unfolded 41 HLPN properties in 21 ms.
Initial state reduction rules removed 2 formulas.
[2024-06-01 16:20:14] [INFO ] Reduced 32912 identical enabling conditions.
Deduced a syphon composed of 98581 places in 341 ms
Reduce places removed 106837 places and 54136 transitions.
RANDOM walk for 40000 steps (8 resets) in 6003 ms. (6 steps per ms) remains 3/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 753 ms. (53 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 839 ms. (47 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 429 ms. (93 steps per ms) remains 3/3 properties
[2024-06-01 16:20:19] [INFO ] Flow matrix only has 17308 transitions (discarded 12392 similar events)
// Phase 1: matrix 17308 rows 8729 cols
[2024-06-01 16:20:21] [INFO ] Computed 8 invariants in 1306 ms
[2024-06-01 16:20:21] [INFO ] State equation strengthened by 8411 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4284/4317 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2024-06-01 16:20:33] [INFO ] Deduced a trap composed of 49 places in 9203 ms of which 377 ms to minimize.
SMT process timed out in 14175ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 33 out of 8729 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8729/8729 places, 29700/29700 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 8729 transition count 29684
Deduced a syphon composed of 16 places in 37 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 8713 transition count 29684
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 57 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 48 place count 8705 transition count 29676
Free-agglomeration rule applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 56 place count 8705 transition count 29668
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 8697 transition count 29668
Free-agglomeration rule (complex) applied 24 times.
Iterating global reduction 1 with 24 rules applied. Total rules applied 88 place count 8697 transition count 29693
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 112 place count 8673 transition count 29693
Partial Free-agglomeration rule applied 21 times.
Drop transitions (Partial Free agglomeration) removed 21 transitions
Iterating global reduction 2 with 21 rules applied. Total rules applied 133 place count 8673 transition count 29693
Applied a total of 133 rules in 11023 ms. Remains 8673 /8729 variables (removed 56) and now considering 29693/29700 (removed 7) transitions.
Running 29684 sub problems to find dead transitions.
[2024-06-01 16:20:45] [INFO ] Flow matrix only has 17283 transitions (discarded 12410 similar events)
// Phase 1: matrix 17283 rows 8673 cols
[2024-06-01 16:20:46] [INFO ] Computed 8 invariants in 1055 ms
[2024-06-01 16:20:47] [INFO ] State equation strengthened by 8463 read => feed constraints.
SMT process timed out in 540201ms, After SMT, problems are : Problem set: 0 solved, 29684 unsolved
Search for dead transitions found 0 dead transitions in 540683ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 551969 ms. Remains : 8673/8729 places, 29693/29700 transitions.
RANDOM walk for 3119628 steps (8 resets) in 120004 ms. (25 steps per ms) remains 1/3 properties
BEST_FIRST walk for 3987962 steps (8 resets) in 19455 ms. (204 steps per ms) remains 1/1 properties
[2024-06-01 16:30:20] [INFO ] Flow matrix only has 17283 transitions (discarded 12410 similar events)
[2024-06-01 16:30:20] [INFO ] Invariant cache hit.
[2024-06-01 16:30:21] [INFO ] State equation strengthened by 8463 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4261/4277 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4277 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4208/8485 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8485 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/8487 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8487 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 25768/25956 variables, and 8494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 17188 ms.
Refiners :[Positive P Invariants (semi-flows): 5/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 8487/8673 constraints, ReadFeed: 0/8463 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4261/4277 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 16:30:40] [INFO ] Deduced a trap composed of 46 places in 792 ms of which 2 ms to minimize.
[2024-06-01 16:30:41] [INFO ] Deduced a trap composed of 38 places in 872 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/4277 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4277 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 4208/8485 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8485 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/8487 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8487 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 25768/25956 variables, and 8496 constraints, problems are : Problem set: 0 solved, 1 unsolved in 19408 ms.
Refiners :[Positive P Invariants (semi-flows): 5/6 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 8487/8673 constraints, ReadFeed: 0/8463 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 36968ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 91 steps, including 1 resets, run visited all 1 properties in 12 ms. (steps per millisecond=7 )
Parikh walk visited 1 properties in 45 ms.
Able to resolve query QuasiLiveness after proving 41 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 646846 ms.
ITS solved all properties within timeout

BK_STOP 1717259458172

--------------------
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="VehicularWifi-COL-none"
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 VehicularWifi-COL-none, 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 r546-smll-171701118800182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/VehicularWifi-COL-none.tgz
mv VehicularWifi-COL-none 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 ;