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.r084-tall-174860080100157.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)
............................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DLCround-PT-11b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080100157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.7M 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 1748734186701

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCround-PT-11b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 23:29:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 23:29:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 23:29:48] [INFO ] Load time of PNML (sax parser for PT used): 316 ms
[2025-05-31 23:29:48] [INFO ] Transformed 4375 places.
[2025-05-31 23:29:48] [INFO ] Transformed 6991 transitions.
[2025-05-31 23:29:48] [INFO ] Found NUPN structural information;
[2025-05-31 23:29:48] [INFO ] Parsed PT model containing 4375 places and 6991 transitions and 19673 arcs in 616 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4375/4375 places, 6991/6991 transitions.
Graph (trivial) has 4024 edges and 4375 vertex of which 736 / 4375 are part of one of the 52 SCC in 19 ms
Free SCC test removed 684 places
Ensure Unique test removed 712 transitions
Reduce isomorphic transitions removed 712 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1560 transitions
Trivial Post-agglo rules discarded 1560 transitions
Performed 1560 trivial Post agglomeration. Transition count delta: 1560
Iterating post reduction 0 with 1560 rules applied. Total rules applied 1561 place count 3691 transition count 4719
Reduce places removed 1560 places and 0 transitions.
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 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 1 with 1644 rules applied. Total rules applied 3205 place count 2131 transition count 4635
Reduce places removed 36 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 44 rules applied. Total rules applied 3249 place count 2095 transition count 4627
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 3253 place count 2091 transition count 4627
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 3253 place count 2091 transition count 4623
Deduced a syphon composed of 4 places in 132 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 3261 place count 2087 transition count 4623
Performed 1166 Post agglomeration using F-continuation condition.Transition count delta: 1166
Deduced a syphon composed of 1166 places in 2 ms
Reduce places removed 1166 places and 0 transitions.
Iterating global reduction 4 with 2332 rules applied. Total rules applied 5593 place count 921 transition count 3457
Renaming transitions due to excessive name length > 1024 char.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: -116
Deduced a syphon composed of 11 places in 3 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 5615 place count 910 transition count 3573
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 5619 place count 910 transition count 3569
Applied a total of 5619 rules in 727 ms. Remains 910 /4375 variables (removed 3465) and now considering 3569/6991 (removed 3422) transitions.
[2025-05-31 23:29:49] [INFO ] Flow matrix only has 3457 transitions (discarded 112 similar events)
// Phase 1: matrix 3457 rows 910 cols
[2025-05-31 23:29:49] [INFO ] Computed 244 invariants in 36 ms
[2025-05-31 23:29:51] [INFO ] Implicit Places using invariants in 1514 ms returned []
[2025-05-31 23:29:51] [INFO ] Flow matrix only has 3457 transitions (discarded 112 similar events)
[2025-05-31 23:29:51] [INFO ] Invariant cache hit.
[2025-05-31 23:29:51] [INFO ] State equation strengthened by 291 read => feed constraints.
[2025-05-31 23:29:53] [INFO ] Implicit Places using invariants and state equation in 2010 ms returned []
Implicit Place search using SMT with State Equation took 3561 ms to find 0 implicit places.
Running 3561 sub problems to find dead transitions.
[2025-05-31 23:29:53] [INFO ] Flow matrix only has 3457 transitions (discarded 112 similar events)
[2025-05-31 23:29:53] [INFO ] Invariant cache hit.
[2025-05-31 23:29:53] [INFO ] State equation strengthened by 291 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/909 variables, 909/909 constraints. Problems are: Problem set: 0 solved, 3561 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 909/4367 variables, and 909 constraints, problems are : Problem set: 0 solved, 3561 unsolved in 30119 ms.
Refiners :[Domain max(s): 909/910 constraints, Positive P Invariants (semi-flows): 0/244 constraints, State Equation: 0/910 constraints, ReadFeed: 0/291 constraints, PredecessorRefiner: 3561/3561 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3561 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/909 variables, 909/909 constraints. Problems are: Problem set: 0 solved, 3561 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 909/4367 variables, and 909 constraints, problems are : Problem set: 0 solved, 3561 unsolved in 30065 ms.
Refiners :[Domain max(s): 909/910 constraints, Positive P Invariants (semi-flows): 0/244 constraints, State Equation: 0/910 constraints, ReadFeed: 0/291 constraints, PredecessorRefiner: 0/3561 constraints, Known Traps: 0/0 constraints]
After SMT, in 64049ms problems are : Problem set: 0 solved, 3561 unsolved
Search for dead transitions found 0 dead transitions in 64104ms
Starting structural reductions in LIVENESS mode, iteration 1 : 910/4375 places, 3569/6991 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 68439 ms. Remains : 910/4375 places, 3569/6991 transitions.
Discarding 579 transitions out of 3569. Remains 2990
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 8531 ms. (4 steps per ms) remains 0/2989 properties
Able to resolve query QuasiLiveness after proving 2990 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 71497 ms.
ITS solved all properties within timeout

BK_STOP 1748734259728

--------------------
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="DLCround-PT-11b"
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 DLCround-PT-11b, 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 r084-tall-174860080100157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-11b.tgz
mv DLCround-PT-11b 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 ;