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.r154-tall-174876825100137.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 NoC3x3-PT-5A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r154-tall-174876825100137
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 696K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 28K 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 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K 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 248K 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 1748841603176

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-5A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 05:20:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 05:20:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 05:20:04] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2025-06-02 05:20:04] [INFO ] Transformed 417 places.
[2025-06-02 05:20:04] [INFO ] Transformed 933 transitions.
[2025-06-02 05:20:04] [INFO ] Found NUPN structural information;
[2025-06-02 05:20:04] [INFO ] Parsed PT model containing 417 places and 933 transitions and 3585 arcs in 204 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 417/417 places, 933/933 transitions.
Applied a total of 0 rules in 25 ms. Remains 417 /417 variables (removed 0) and now considering 933/933 (removed 0) transitions.
[2025-06-02 05:20:04] [INFO ] Flow matrix only has 851 transitions (discarded 82 similar events)
// Phase 1: matrix 851 rows 417 cols
[2025-06-02 05:20:04] [INFO ] Computed 66 invariants in 19 ms
[2025-06-02 05:20:05] [INFO ] Implicit Places using invariants in 525 ms returned [13, 49, 91, 130, 192, 272, 318, 358, 403]
Discarding 9 places :
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Implicit Place search using SMT only with invariants took 558 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 408/417 places, 923/933 transitions.
Applied a total of 0 rules in 10 ms. Remains 408 /408 variables (removed 0) and now considering 923/923 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 619 ms. Remains : 408/417 places, 923/933 transitions.
Discarding 174 transitions out of 923. Remains 749
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 2723 ms. (14 steps per ms) remains 9/748 properties
BEST_FIRST walk for 40004 steps (8 resets) in 122 ms. (325 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 138 ms. (287 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 8/8 properties
[2025-06-02 05:20:06] [INFO ] Flow matrix only has 851 transitions (discarded 72 similar events)
// Phase 1: matrix 851 rows 408 cols
[2025-06-02 05:20:06] [INFO ] Computed 57 invariants in 14 ms
[2025-06-02 05:20:06] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 99/114 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/114 variables, 99/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 294/408 variables, 43/171 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 294/465 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2025-06-02 05:20:07] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 21 ms to minimize.
[2025-06-02 05:20:07] [INFO ] Deduced a trap composed of 26 places in 119 ms of which 2 ms to minimize.
[2025-06-02 05:20:07] [INFO ] Deduced a trap composed of 19 places in 106 ms of which 2 ms to minimize.
[2025-06-02 05:20:07] [INFO ] Deduced a trap composed of 28 places in 93 ms of which 2 ms to minimize.
[2025-06-02 05:20:07] [INFO ] Deduced a trap composed of 26 places in 90 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 5/470 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 851/1259 variables, 408/878 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1259 variables, 18/896 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1259 variables, 0/896 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 0/1259 variables, 0/896 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1259/1259 variables, and 896 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1621 ms.
Refiners :[Domain max(s): 408/408 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 408/408 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 99/114 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/114 variables, 99/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 294/408 variables, 43/171 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/408 variables, 294/465 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/408 variables, 5/470 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2025-06-02 05:20:08] [INFO ] Deduced a trap composed of 36 places in 65 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/408 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/408 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 851/1259 variables, 408/879 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1259 variables, 18/897 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1259 variables, 8/905 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1259 variables, 0/905 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/1259 variables, 0/905 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1259/1259 variables, and 905 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1552 ms.
Refiners :[Domain max(s): 408/408 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 408/408 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 6/6 constraints]
After SMT, in 3235ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 7 different solutions.
Parikh walk visited 3 properties in 3451 ms.
Support contains 10 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 923/923 transitions.
Discarding 75 places :
Symmetric choice reduction at 0 with 75 rule applications. Total rules 75 place count 333 transition count 749
Iterating global reduction 0 with 75 rules applied. Total rules applied 150 place count 333 transition count 749
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 154 place count 329 transition count 733
Iterating global reduction 0 with 4 rules applied. Total rules applied 158 place count 329 transition count 733
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 166 place count 329 transition count 725
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 1 with 10 rules applied. Total rules applied 176 place count 329 transition count 715
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 178 place count 327 transition count 709
Iterating global reduction 1 with 2 rules applied. Total rules applied 180 place count 327 transition count 709
Partial Free-agglomeration rule applied 63 times.
Drop transitions (Partial Free agglomeration) removed 63 transitions
Iterating global reduction 1 with 63 rules applied. Total rules applied 243 place count 327 transition count 709
Applied a total of 243 rules in 107 ms. Remains 327 /408 variables (removed 81) and now considering 709/923 (removed 214) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 107 ms. Remains : 327/408 places, 709/923 transitions.
RANDOM walk for 3017365 steps (6 resets) in 9936 ms. (303 steps per ms) remains 0/5 properties
Able to resolve query QuasiLiveness after proving 749 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12413 ms.
ITS solved all properties within timeout

BK_STOP 1748841616988

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="NoC3x3-PT-5A"
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 NoC3x3-PT-5A, 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 r154-tall-174876825100137"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5A.tgz
mv NoC3x3-PT-5A 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 ;