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-174860080600427.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 Echo-PT-d02r19, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080600427
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K 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 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.5M 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 1748740706691

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d02r19
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 01:18:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-01 01:18:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 01:18:28] [INFO ] Load time of PNML (sax parser for PT used): 279 ms
[2025-06-01 01:18:28] [INFO ] Transformed 3455 places.
[2025-06-01 01:18:28] [INFO ] Transformed 2730 transitions.
[2025-06-01 01:18:28] [INFO ] Found NUPN structural information;
[2025-06-01 01:18:28] [INFO ] Parsed PT model containing 3455 places and 2730 transitions and 15940 arcs in 435 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3455/3455 places, 2730/2730 transitions.
Reduce places removed 361 places and 0 transitions.
Iterating post reduction 0 with 361 rules applied. Total rules applied 361 place count 3094 transition count 2730
Applied a total of 361 rules in 101 ms. Remains 3094 /3455 variables (removed 361) and now considering 2730/2730 (removed 0) transitions.
// Phase 1: matrix 2730 rows 3094 cols
[2025-06-01 01:18:33] [INFO ] Computed 1368 invariants in 4219 ms
[2025-06-01 01:19:09] [INFO ] Performed 712/3094 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 01:19:39] [INFO ] Performed 2653/3094 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 01:19:40] [INFO ] Implicit Places using invariants in 71973 ms returned []
[2025-06-01 01:19:40] [INFO ] Invariant cache hit.
[2025-06-01 01:20:21] [INFO ] Implicit Places using invariants and state equation in 40574 ms returned []
Implicit Place search using SMT with State Equation took 112589 ms to find 0 implicit places.
Running 2729 sub problems to find dead transitions.
[2025-06-01 01:20:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3093 variables, 3093/3093 constraints. Problems are: Problem set: 0 solved, 2729 unsolved
SMT process timed out in 31886ms, After SMT, problems are : Problem set: 0 solved, 2729 unsolved
Search for dead transitions found 0 dead transitions in 31958ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3094/3455 places, 2730/2730 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 144708 ms. Remains : 3094/3455 places, 2730/2730 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (52 resets) in 7604 ms. (5 steps per ms) remains 20/2729 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 16/16 properties
[2025-06-01 01:20:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2446/5824 variables, and 858 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5014 ms.
Refiners :[Domain max(s): 64/3094 constraints, Generalized P Invariants (flows): 794/1368 constraints, State Equation: 0/3094 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2446/5824 variables, and 858 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5010 ms.
Refiners :[Domain max(s): 64/3094 constraints, Generalized P Invariants (flows): 794/1368 constraints, State Equation: 0/3094 constraints, PredecessorRefiner: 0/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 10187ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 64 out of 3094 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3094/3094 places, 2730/2730 transitions.
Graph (complete) has 9333 edges and 3094 vertex of which 3085 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.15 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 3085 transition count 2725
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 3084 transition count 2724
Applied a total of 6 rules in 733 ms. Remains 3084 /3094 variables (removed 10) and now considering 2724/2730 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 734 ms. Remains : 3084/3094 places, 2724/2730 transitions.
RANDOM walk for 191617 steps (265 resets) in 6198 ms. (30 steps per ms) remains 0/16 properties
Able to resolve query QuasiLiveness after proving 2730 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 161950 ms.
ITS solved all properties within timeout

BK_STOP 1748740870138

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="Echo-PT-d02r19"
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 Echo-PT-d02r19, 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-174860080600427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r19.tgz
mv Echo-PT-d02r19 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 ;