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.r140-smll-174876533500127.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 MedleyA-PT-14, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r140-smll-174876533500127
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K 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 151K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 46K 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 1748928443430

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MedleyA-PT-14
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 05:27:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 05:27:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 05:27:25] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2025-06-03 05:27:25] [INFO ] Transformed 184 places.
[2025-06-03 05:27:25] [INFO ] Transformed 178 transitions.
[2025-06-03 05:27:25] [INFO ] Found NUPN structural information;
[2025-06-03 05:27:25] [INFO ] Parsed PT model containing 184 places and 178 transitions and 492 arcs in 314 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 184/184 places, 178/178 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 184 transition count 172
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 178 transition count 172
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 12 place count 178 transition count 165
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 26 place count 171 transition count 165
Performed 69 Post agglomeration using F-continuation condition.Transition count delta: 69
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 2 with 138 rules applied. Total rules applied 164 place count 102 transition count 96
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 190 place count 89 transition count 136
Applied a total of 190 rules in 101 ms. Remains 89 /184 variables (removed 95) and now considering 136/178 (removed 42) transitions.
// Phase 1: matrix 136 rows 89 cols
[2025-06-03 05:27:26] [INFO ] Computed 24 invariants in 23 ms
[2025-06-03 05:27:26] [INFO ] Implicit Places using invariants in 584 ms returned [8, 23, 33, 48, 58, 73, 76]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 635 ms to find 7 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 82/184 places, 136/178 transitions.
Graph (trivial) has 7 edges and 82 vertex of which 4 / 82 are part of one of the 2 SCC in 3 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 80 transition count 131
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 77 transition count 131
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 15 place count 73 transition count 127
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 21 place count 70 transition count 133
Applied a total of 21 rules in 27 ms. Remains 70 /82 variables (removed 12) and now considering 133/136 (removed 3) transitions.
[2025-06-03 05:27:26] [INFO ] Flow matrix only has 131 transitions (discarded 2 similar events)
// Phase 1: matrix 131 rows 70 cols
[2025-06-03 05:27:26] [INFO ] Computed 17 invariants in 4 ms
[2025-06-03 05:27:26] [INFO ] Implicit Places using invariants in 135 ms returned []
[2025-06-03 05:27:26] [INFO ] Flow matrix only has 131 transitions (discarded 2 similar events)
[2025-06-03 05:27:26] [INFO ] Invariant cache hit.
[2025-06-03 05:27:26] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-03 05:27:27] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 398 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 70/184 places, 133/178 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1194 ms. Remains : 70/184 places, 133/178 transitions.
Discarding 78 transitions out of 133. Remains 55
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (3755 resets) in 2097 ms. (19 steps per ms) remains 6/54 properties
BEST_FIRST walk for 40002 steps (781 resets) in 345 ms. (115 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (793 resets) in 120 ms. (330 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (786 resets) in 128 ms. (310 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (787 resets) in 190 ms. (209 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (785 resets) in 105 ms. (377 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (774 resets) in 106 ms. (373 steps per ms) remains 6/6 properties
[2025-06-03 05:27:28] [INFO ] Flow matrix only has 131 transitions (discarded 2 similar events)
[2025-06-03 05:27:28] [INFO ] Invariant cache hit.
[2025-06-03 05:27:28] [INFO ] State equation strengthened by 12 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 46/55 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 46/65 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2025-06-03 05:27:28] [INFO ] Deduced a trap composed of 9 places in 87 ms of which 9 ms to minimize.
[2025-06-03 05:27:28] [INFO ] Deduced a trap composed of 7 places in 74 ms of which 2 ms to minimize.
Problem qltransition_26 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 354ms, After SMT, problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 133/133 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 70 transition count 130
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 3 place count 70 transition count 129
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 69 transition count 129
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 11 place count 63 transition count 111
Iterating global reduction 1 with 6 rules applied. Total rules applied 17 place count 63 transition count 111
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 63 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 19 place count 62 transition count 110
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 25 place count 62 transition count 110
Applied a total of 25 rules in 35 ms. Remains 62 /70 variables (removed 8) and now considering 110/133 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 62/70 places, 110/133 transitions.
Total runtime 3133 ms.
ITS solved all properties within timeout

BK_STOP 1748928449021

--------------------
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="MedleyA-PT-14"
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 MedleyA-PT-14, 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 r140-smll-174876533500127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-14.tgz
mv MedleyA-PT-14 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 ;