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-174881266800337.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 PolyORBLF-PT-S06J06T06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881266800337
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 28K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 158K 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 9.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 326K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.2M May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 35K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 186K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 125K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 602K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.9K 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 11M 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 1748900530187

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-S06J06T06
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 21:42:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 21:42:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:42:12] [INFO ] Load time of PNML (sax parser for PT used): 957 ms
[2025-06-02 21:42:12] [INFO ] Transformed 700 places.
[2025-06-02 21:42:12] [INFO ] Transformed 10740 transitions.
[2025-06-02 21:42:12] [INFO ] Parsed PT model containing 700 places and 10740 transitions and 89778 arcs in 1220 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 700/700 places, 10740/10740 transitions.
Ensure Unique test removed 6 places
Ensure Unique test removed 8070 transitions
Reduce isomorphic transitions removed 8070 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 54 transitions
Trivial Post-agglo rules discarded 54 transitions
Performed 54 trivial Post agglomeration. Transition count delta: 54
Iterating post reduction 0 with 8130 rules applied. Total rules applied 8130 place count 694 transition count 2616
Reduce places removed 54 places and 0 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 8184 place count 640 transition count 2616
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 8184 place count 640 transition count 2532
Deduced a syphon composed of 84 places in 12 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 8352 place count 556 transition count 2532
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 4 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 8496 place count 484 transition count 2460
Applied a total of 8496 rules in 278 ms. Remains 484 /700 variables (removed 216) and now considering 2460/10740 (removed 8280) transitions.
Running 2454 sub problems to find dead transitions.
[2025-06-02 21:42:13] [INFO ] Flow matrix only has 2424 transitions (discarded 36 similar events)
// Phase 1: matrix 2424 rows 484 cols
[2025-06-02 21:42:13] [INFO ] Computed 52 invariants in 152 ms
[2025-06-02 21:42:13] [INFO ] State equation strengthened by 168 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 2454 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 25/45 constraints. Problems are: Problem set: 0 solved, 2454 unsolved
[2025-06-02 21:42:50] [INFO ] Deduced a trap composed of 15 places in 321 ms of which 23 ms to minimize.
SMT process timed out in 36836ms, After SMT, problems are : Problem set: 0 solved, 2454 unsolved
Search for dead transitions found 0 dead transitions in 36908ms
[2025-06-02 21:42:50] [INFO ] Flow matrix only has 2424 transitions (discarded 36 similar events)
[2025-06-02 21:42:50] [INFO ] Invariant cache hit.
[2025-06-02 21:42:51] [INFO ] Implicit Places using invariants in 878 ms returned [45, 126, 323, 367, 465, 469]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 888 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 478/700 places, 2460/10740 transitions.
Applied a total of 0 rules in 17 ms. Remains 478 /478 variables (removed 0) and now considering 2460/2460 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 38172 ms. Remains : 478/700 places, 2460/10740 transitions.
Initial state reduction rules removed 6 formulas.
RANDOM walk for 40001 steps (391 resets) in 10988 ms. (3 steps per ms) remains 1104/2454 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1104/1104 properties
[2025-06-02 21:42:54] [INFO ] Flow matrix only has 2424 transitions (discarded 36 similar events)
// Phase 1: matrix 2424 rows 478 cols
[2025-06-02 21:42:54] [INFO ] Computed 46 invariants in 62 ms
[2025-06-02 21:42:54] [INFO ] State equation strengthened by 168 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1104 unsolved
Problem qltransition_33 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 17108ms, After SMT, problems are : Problem set: 0 solved, 1104 unsolved
Fused 1104 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 30 out of 478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 478/478 places, 2460/2460 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 475 transition count 2457
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 475 transition count 2457
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 475 transition count 2455
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 473 transition count 2455
Applied a total of 10 rules in 282 ms. Remains 473 /478 variables (removed 5) and now considering 2455/2460 (removed 5) transitions.
Running 2449 sub problems to find dead transitions.
[2025-06-02 21:43:11] [INFO ] Flow matrix only has 2419 transitions (discarded 36 similar events)
// Phase 1: matrix 2419 rows 473 cols
[2025-06-02 21:43:12] [INFO ] Computed 46 invariants in 48 ms
[2025-06-02 21:43:12] [INFO ] State equation strengthened by 168 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/467 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 2449 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/467 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 2449 unsolved
[2025-06-02 21:43:47] [INFO ] Deduced a trap composed of 3 places in 75 ms of which 2 ms to minimize.
[2025-06-02 21:43:49] [INFO ] Deduced a trap composed of 26 places in 176 ms of which 3 ms to minimize.
SMT process timed out in 37050ms, After SMT, problems are : Problem set: 0 solved, 2449 unsolved
Search for dead transitions found 0 dead transitions in 37075ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37367 ms. Remains : 473/478 places, 2455/2460 transitions.
Total runtime 97470 ms.
ITS solved all properties within timeout

BK_STOP 1748900629148

--------------------
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="PolyORBLF-PT-S06J06T06"
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-S06J06T06, 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-174881266800337"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S06J06T06.tgz
mv PolyORBLF-PT-S06J06T06 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 ;