Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r028-smll-174853774800202.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is BridgeAndVehicles-PT-V04P05N02, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r028-smll-174853774800202
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 37K May 29 14:32 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 1748571817132

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-PT-V04P05N02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 02:23:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 02:23:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 02:23:40] [INFO ] Load time of PNML (sax parser for PT used): 107 ms
[2025-05-30 02:23:40] [INFO ] Transformed 28 places.
[2025-05-30 02:23:40] [INFO ] Transformed 52 transitions.
[2025-05-30 02:23:40] [INFO ] Parsed PT model containing 28 places and 52 transitions and 326 arcs in 354 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 23 transition count 50
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 21 transition count 48
Applied a total of 11 rules in 55 ms. Remains 21 /28 variables (removed 7) and now considering 48/52 (removed 4) transitions.
[2025-05-30 02:23:40] [INFO ] Flow matrix only has 30 transitions (discarded 18 similar events)
// Phase 1: matrix 30 rows 21 cols
[2025-05-30 02:23:40] [INFO ] Computed 4 invariants in 18 ms
[2025-05-30 02:23:40] [INFO ] Implicit Places using invariants in 365 ms returned []
[2025-05-30 02:23:40] [INFO ] Flow matrix only has 30 transitions (discarded 18 similar events)
[2025-05-30 02:23:40] [INFO ] Invariant cache hit.
[2025-05-30 02:23:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 02:23:40] [INFO ] Implicit Places using invariants and state equation in 196 ms returned [6, 14]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 650 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 19/28 places, 48/52 transitions.
Applied a total of 0 rules in 3 ms. Remains 19 /19 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 749 ms. Remains : 19/28 places, 48/52 transitions.
Initial state reduction rules removed 3 formulas.
RANDOM walk for 40000 steps (1314 resets) in 3015 ms. (13 steps per ms) remains 12/45 properties
BEST_FIRST walk for 40004 steps (476 resets) in 939 ms. (42 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (572 resets) in 579 ms. (68 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (617 resets) in 331 ms. (120 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (649 resets) in 151 ms. (263 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (682 resets) in 130 ms. (305 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (685 resets) in 262 ms. (152 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (703 resets) in 315 ms. (126 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (660 resets) in 134 ms. (296 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (548 resets) in 86 ms. (459 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (577 resets) in 111 ms. (357 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (607 resets) in 90 ms. (439 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (623 resets) in 103 ms. (384 steps per ms) remains 12/12 properties
[2025-05-30 02:23:43] [INFO ] Flow matrix only has 30 transitions (discarded 18 similar events)
// Phase 1: matrix 30 rows 19 cols
[2025-05-30 02:23:43] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 02:23:43] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/19 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2025-05-30 02:23:43] [INFO ] Deduced a trap composed of 4 places in 70 ms of which 15 ms to minimize.
Problem qltransition_23 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 339ms, After SMT, problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 19 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 19/19 places, 48/48 transitions.
Applied a total of 0 rules in 15 ms. Remains 19 /19 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 19/19 places, 48/48 transitions.
Total runtime 3639 ms.
ITS solved all properties within timeout

BK_STOP 1748571823778

--------------------
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-V04P05N02"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is BridgeAndVehicles-PT-V04P05N02, 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 r028-smll-174853774800202"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V04P05N02.tgz
mv BridgeAndVehicles-PT-V04P05N02 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.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 ;