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.r224-tall-174902009700177.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 ShieldRVt-PT-020B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r224-tall-174902009700177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 103K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K 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 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 239K May 29 14:33 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 1749106696120

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldRVt-PT-020B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-05 06:58:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-05 06:58:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 06:58:17] [INFO ] Load time of PNML (sax parser for PT used): 108 ms
[2025-06-05 06:58:17] [INFO ] Transformed 1003 places.
[2025-06-05 06:58:17] [INFO ] Transformed 1003 transitions.
[2025-06-05 06:58:17] [INFO ] Found NUPN structural information;
[2025-06-05 06:58:17] [INFO ] Parsed PT model containing 1003 places and 1003 transitions and 2366 arcs in 224 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1003/1003 places, 1003/1003 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 322 transitions
Trivial Post-agglo rules discarded 322 transitions
Performed 322 trivial Post agglomeration. Transition count delta: 322
Iterating post reduction 0 with 322 rules applied. Total rules applied 322 place count 1003 transition count 681
Reduce places removed 322 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 324 rules applied. Total rules applied 646 place count 681 transition count 679
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 647 place count 680 transition count 679
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 80 Pre rules applied. Total rules applied 647 place count 680 transition count 599
Deduced a syphon composed of 80 places in 6 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 3 with 160 rules applied. Total rules applied 807 place count 600 transition count 599
Performed 379 Post agglomeration using F-continuation condition.Transition count delta: 379
Deduced a syphon composed of 379 places in 2 ms
Reduce places removed 379 places and 0 transitions.
Iterating global reduction 3 with 758 rules applied. Total rules applied 1565 place count 221 transition count 220
Renaming transitions due to excessive name length > 1024 char.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: -58
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 3 with 118 rules applied. Total rules applied 1683 place count 162 transition count 278
Applied a total of 1683 rules in 113 ms. Remains 162 /1003 variables (removed 841) and now considering 278/1003 (removed 725) transitions.
// Phase 1: matrix 278 rows 162 cols
[2025-06-05 06:58:17] [INFO ] Computed 81 invariants in 10 ms
[2025-06-05 06:58:18] [INFO ] Implicit Places using invariants in 327 ms returned [155]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 356 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 161/1003 places, 278/1003 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 278/278 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 488 ms. Remains : 161/1003 places, 278/1003 transitions.
Discarding 196 transitions out of 278. Remains 82
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (13 resets) in 2299 ms. (17 steps per ms) remains 14/81 properties
BEST_FIRST walk for 40003 steps (8 resets) in 253 ms. (157 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 9/13 properties
BEST_FIRST walk for 40002 steps (9 resets) in 127 ms. (312 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (9 resets) in 90 ms. (439 steps per ms) remains 6/9 properties
// Phase 1: matrix 278 rows 161 cols
[2025-06-05 06:58:19] [INFO ] Computed 80 invariants in 6 ms
[2025-06-05 06:58:19] [INFO ] State equation strengthened by 196 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 11/27 variables, 13/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 11/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 134/161 variables, 67/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 134/241 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 277/438 variables, 161/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 195/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/438 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 1/439 variables, 1/598 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/439 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 0/439 variables, 0/598 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 439/439 variables, and 598 constraints, problems are : Problem set: 0 solved, 6 unsolved in 650 ms.
Refiners :[Domain max(s): 161/161 constraints, Positive P Invariants (semi-flows): 80/80 constraints, State Equation: 161/161 constraints, ReadFeed: 196/196 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 11/27 variables, 13/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 11/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 134/161 variables, 67/107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 134/241 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 277/438 variables, 161/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 195/597 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 438/439 variables, and 603 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5023 ms.
Refiners :[Domain max(s): 161/161 constraints, Positive P Invariants (semi-flows): 80/80 constraints, State Equation: 161/161 constraints, ReadFeed: 195/196 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 5722ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 278/278 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 277
Applied a total of 1 rules in 21 ms. Remains 161 /161 variables (removed 0) and now considering 277/278 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 161/161 places, 277/278 transitions.
RANDOM walk for 164477 steps (36 resets) in 2310 ms. (71 steps per ms) remains 0/6 properties
Able to resolve query QuasiLiveness after proving 82 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 8979 ms.
ITS solved all properties within timeout

BK_STOP 1749106706357

--------------------
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="ShieldRVt-PT-020B"
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 ShieldRVt-PT-020B, 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 r224-tall-174902009700177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-020B.tgz
mv ShieldRVt-PT-020B 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 ;