Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r474-tajo-171620409000122.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is BridgeAndVehicles-PT-V20P10N50, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r474-tajo-171620409000122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.8M
-rw-r--r-- 1 mcc users 16K Apr 13 02:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 101K Apr 13 02:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 400K Apr 13 02:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.5M Apr 13 02:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 8.4K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 144K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 406K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 30K Apr 13 03:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 206K Apr 13 03:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 227K Apr 13 03:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 886K Apr 13 03:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.8M May 18 16:42 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 1717267076712

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-PT-V20P10N50
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 18:37:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 18:37:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 18:37:58] [INFO ] Load time of PNML (sax parser for PT used): 175 ms
[2024-06-01 18:37:58] [INFO ] Transformed 108 places.
[2024-06-01 18:37:58] [INFO ] Transformed 2228 transitions.
[2024-06-01 18:37:58] [INFO ] Parsed PT model containing 108 places and 2228 transitions and 17190 arcs in 315 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 108/108 places, 2228/2228 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 106 transition count 2228
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 14 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 103 transition count 2226
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 101 transition count 2224
Applied a total of 11 rules in 123 ms. Remains 101 /108 variables (removed 7) and now considering 2224/2228 (removed 4) transitions.
[2024-06-01 18:37:58] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 101 cols
[2024-06-01 18:37:58] [INFO ] Computed 4 invariants in 19 ms
[2024-06-01 18:37:59] [INFO ] Implicit Places using invariants in 521 ms returned []
[2024-06-01 18:37:59] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
[2024-06-01 18:37:59] [INFO ] Invariant cache hit.
[2024-06-01 18:37:59] [INFO ] State equation strengthened by 102 read => feed constraints.
[2024-06-01 18:38:00] [INFO ] Implicit Places using invariants and state equation in 1126 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1693 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 99/108 places, 2224/2228 transitions.
Applied a total of 0 rules in 25 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1859 ms. Remains : 99/108 places, 2224/2228 transitions.
Initial state reduction rules removed 3 formulas.
RANDOM walk for 40000 steps (320 resets) in 6560 ms. (6 steps per ms) remains 2022/2221 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 37 ms. (3 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 2022/2022 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 2022/2022 properties
Probabilistic random walk after 30001 steps, saw 10033 distinct states, run finished after 2146 ms. (steps per millisecond=13 ) properties seen :109
[2024-06-01 18:38:04] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2024-06-01 18:38:05] [INFO ] Computed 4 invariants in 5 ms
[2024-06-01 18:38:05] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1913 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/385 variables, and 4 constraints, problems are : Problem set: 0 solved, 1913 unsolved in 5134 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/99 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 1913/1913 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1913 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1913 unsolved
[2024-06-01 18:38:28] [INFO ] Deduced a trap composed of 53 places in 411 ms of which 39 ms to minimize.
Problem qltransition_183 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 23169ms, After SMT, problems are : Problem set: 0 solved, 1913 unsolved
Fused 1913 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 99 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 526 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 526 ms. Remains : 99/99 places, 2224/2224 transitions.
Total runtime 30667 ms.
ITS solved all properties within timeout

BK_STOP 1717267109022

--------------------
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="BridgeAndVehicles-PT-V20P10N50"
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 BridgeAndVehicles-PT-V20P10N50, 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 r474-tajo-171620409000122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N50.tgz
mv BridgeAndVehicles-PT-V20P10N50 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 ;