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.r168-tall-174881266800327.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 PolyORBLF-PT-S06J04T08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881266800327
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 19M
-rw-r--r-- 1 mcc users 16K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 242K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.1M 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 11K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 46K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 273K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 579K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.6M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 14M 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 1748900405300

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBLF-PT-S06J04T08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 21:40:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 21:40:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:40:07] [INFO ] Load time of PNML (sax parser for PT used): 650 ms
[2025-06-02 21:40:07] [INFO ] Transformed 810 places.
[2025-06-02 21:40:07] [INFO ] Transformed 14014 transitions.
[2025-06-02 21:40:07] [INFO ] Parsed PT model containing 810 places and 14014 transitions and 118428 arcs in 877 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 810/810 places, 14014/14014 transitions.
Ensure Unique test removed 6 places
Ensure Unique test removed 10760 transitions
Reduce isomorphic transitions removed 10760 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 10838 rules applied. Total rules applied 10838 place count 804 transition count 3182
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 10910 place count 732 transition count 3182
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 96 Pre rules applied. Total rules applied 10910 place count 732 transition count 3086
Deduced a syphon composed of 96 places in 16 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 2 with 192 rules applied. Total rules applied 11102 place count 636 transition count 3086
Performed 96 Post agglomeration using F-continuation condition.Transition count delta: 96
Deduced a syphon composed of 96 places in 6 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 2 with 192 rules applied. Total rules applied 11294 place count 540 transition count 2990
Applied a total of 11294 rules in 256 ms. Remains 540 /810 variables (removed 270) and now considering 2990/14014 (removed 11024) transitions.
Running 2984 sub problems to find dead transitions.
[2025-06-02 21:40:08] [INFO ] Flow matrix only has 2942 transitions (discarded 48 similar events)
// Phase 1: matrix 2942 rows 540 cols
[2025-06-02 21:40:08] [INFO ] Computed 52 invariants in 150 ms
[2025-06-02 21:40:08] [INFO ] State equation strengthened by 224 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/534 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 2984 unsolved
SMT process timed out in 42083ms, After SMT, problems are : Problem set: 0 solved, 2984 unsolved
Search for dead transitions found 0 dead transitions in 42151ms
[2025-06-02 21:40:50] [INFO ] Flow matrix only has 2942 transitions (discarded 48 similar events)
[2025-06-02 21:40:50] [INFO ] Invariant cache hit.
[2025-06-02 21:40:51] [INFO ] Implicit Places using invariants in 895 ms returned [35, 51, 151, 193, 226, 336, 343, 531]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 904 ms to find 8 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 532/810 places, 2990/14014 transitions.
Applied a total of 0 rules in 15 ms. Remains 532 /532 variables (removed 0) and now considering 2990/2990 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 43523 ms. Remains : 532/810 places, 2990/14014 transitions.
Initial state reduction rules removed 6 formulas.
RANDOM walk for 40000 steps (441 resets) in 16857 ms. (2 steps per ms) remains 1523/2984 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 25 ms. (4 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1523/1523 properties
[2025-06-02 21:40:56] [INFO ] Flow matrix only has 2942 transitions (discarded 48 similar events)
// Phase 1: matrix 2942 rows 532 cols
[2025-06-02 21:40:56] [INFO ] Computed 44 invariants in 62 ms
[2025-06-02 21:40:56] [INFO ] State equation strengthened by 224 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1523 unsolved
Problem qltransition_4 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 19539ms, After SMT, problems are : Problem set: 0 solved, 1523 unsolved
Fused 1523 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 37 out of 532 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 532/532 places, 2990/2990 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 528 transition count 2986
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 528 transition count 2986
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 13 place count 528 transition count 2981
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 18 place count 523 transition count 2981
Applied a total of 18 rules in 347 ms. Remains 523 /532 variables (removed 9) and now considering 2981/2990 (removed 9) transitions.
Running 2975 sub problems to find dead transitions.
[2025-06-02 21:41:16] [INFO ] Flow matrix only has 2933 transitions (discarded 48 similar events)
// Phase 1: matrix 2933 rows 523 cols
[2025-06-02 21:41:16] [INFO ] Computed 44 invariants in 53 ms
[2025-06-02 21:41:16] [INFO ] State equation strengthened by 224 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/517 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 2975 unsolved
SMT process timed out in 39047ms, After SMT, problems are : Problem set: 0 solved, 2975 unsolved
Search for dead transitions found 0 dead transitions in 39067ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39422 ms. Remains : 523/532 places, 2981/2990 transitions.
Total runtime 108908 ms.
ITS solved all properties within timeout

BK_STOP 1748900515600

--------------------
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="PolyORBLF-PT-S06J04T08"
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 PolyORBLF-PT-S06J04T08, 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 r168-tall-174881266800327"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S06J04T08.tgz
mv PolyORBLF-PT-S06J04T08 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 ;