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-174881266500187.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-COL-S02J06T08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881266500187
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K 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 4.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K 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 82K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 154K 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 1748898473060

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PolyORBLF-COL-S02J06T08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 21:07:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 21:07:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:07:54] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 21:07:54] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 21:07:55] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 832 ms
[2025-06-02 21:07:55] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 690 PT places and 1492.0 transition bindings in 24 ms.
[2025-06-02 21:07:55] [INFO ] Unfolded HLPN to a Petri net with 690 places and 1434 transitions 6564 arcs in 73 ms.
[2025-06-02 21:07:55] [INFO ] Unfolded 65 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
[2025-06-02 21:07:55] [INFO ] Reduced 8 identical enabling conditions.
[2025-06-02 21:07:55] [INFO ] Reduced 32 identical enabling conditions.
[2025-06-02 21:07:55] [INFO ] Reduced 88 identical enabling conditions.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
RANDOM walk for 40000 steps (10 resets) in 2431 ms. (16 steps per ms) remains 6/64 properties
BEST_FIRST walk for 40001 steps (10 resets) in 662 ms. (60 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 468 ms. (85 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (9 resets) in 495 ms. (80 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 475 ms. (84 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (11 resets) in 365 ms. (109 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (9 resets) in 235 ms. (169 steps per ms) remains 6/6 properties
[2025-06-02 21:07:57] [INFO ] Flow matrix only has 1290 transitions (discarded 16 similar events)
// Phase 1: matrix 1290 rows 690 cols
[2025-06-02 21:07:57] [INFO ] Computed 54 invariants in 72 ms
[2025-06-02 21:07:57] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 229/266 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 14/280 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem qltransition_35 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 956ms, After SMT, problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 37 out of 690 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 690/690 places, 1306/1306 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 688 transition count 1250
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 114 place count 632 transition count 1250
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 114 place count 632 transition count 1170
Deduced a syphon composed of 80 places in 3 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 274 place count 552 transition count 1170
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 2 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 402 place count 488 transition count 1106
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 2 with 8 rules applied. Total rules applied 410 place count 488 transition count 1098
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 418 place count 480 transition count 1098
Applied a total of 418 rules in 230 ms. Remains 480 /690 variables (removed 210) and now considering 1098/1306 (removed 208) transitions.
Running 1096 sub problems to find dead transitions.
[2025-06-02 21:07:58] [INFO ] Flow matrix only has 1082 transitions (discarded 16 similar events)
// Phase 1: matrix 1082 rows 480 cols
[2025-06-02 21:07:58] [INFO ] Computed 52 invariants in 26 ms
[2025-06-02 21:07:58] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
[2025-06-02 21:08:10] [INFO ] Deduced a trap composed of 48 places in 196 ms of which 19 ms to minimize.
[2025-06-02 21:08:11] [INFO ] Deduced a trap composed of 47 places in 1099 ms of which 3 ms to minimize.
[2025-06-02 21:08:11] [INFO ] Deduced a trap composed of 47 places in 213 ms of which 4 ms to minimize.
[2025-06-02 21:08:11] [INFO ] Deduced a trap composed of 47 places in 98 ms of which 2 ms to minimize.
[2025-06-02 21:08:11] [INFO ] Deduced a trap composed of 47 places in 122 ms of which 0 ms to minimize.
[2025-06-02 21:08:11] [INFO ] Deduced a trap composed of 47 places in 105 ms of which 1 ms to minimize.
[2025-06-02 21:08:12] [INFO ] Deduced a trap composed of 47 places in 65 ms of which 1 ms to minimize.
[2025-06-02 21:08:12] [INFO ] Deduced a trap composed of 47 places in 102 ms of which 1 ms to minimize.
[2025-06-02 21:08:12] [INFO ] Deduced a trap composed of 181 places in 306 ms of which 11 ms to minimize.
[2025-06-02 21:08:14] [INFO ] Deduced a trap composed of 237 places in 432 ms of which 6 ms to minimize.
[2025-06-02 21:08:14] [INFO ] Deduced a trap composed of 209 places in 307 ms of which 3 ms to minimize.
[2025-06-02 21:08:14] [INFO ] Deduced a trap composed of 192 places in 266 ms of which 3 ms to minimize.
[2025-06-02 21:08:14] [INFO ] Deduced a trap composed of 168 places in 230 ms of which 3 ms to minimize.
[2025-06-02 21:08:16] [INFO ] Deduced a trap composed of 85 places in 229 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 478/1562 variables, and 64 constraints, problems are : Problem set: 0 solved, 1096 unsolved in 20050 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 35/37 constraints, State Equation: 0/480 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1096/1096 constraints, Known Traps: 14/14 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1096 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/478 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/478 variables, 14/64 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
[2025-06-02 21:08:25] [INFO ] Deduced a trap composed of 292 places in 242 ms of which 3 ms to minimize.
[2025-06-02 21:08:32] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 2 ms to minimize.
[2025-06-02 21:08:34] [INFO ] Deduced a trap composed of 166 places in 212 ms of which 3 ms to minimize.
[2025-06-02 21:08:35] [INFO ] Deduced a trap composed of 158 places in 236 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/478 variables, 4/68 constraints. Problems are: Problem set: 0 solved, 1096 unsolved
[2025-06-02 21:08:37] [INFO ] Deduced a trap composed of 59 places in 128 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 478/1562 variables, and 69 constraints, problems are : Problem set: 0 solved, 1096 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 35/37 constraints, State Equation: 0/480 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1096 constraints, Known Traps: 19/19 constraints]
After SMT, in 41855ms problems are : Problem set: 0 solved, 1096 unsolved
Search for dead transitions found 0 dead transitions in 41881ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42130 ms. Remains : 480/690 places, 1098/1306 transitions.
Total runtime 46044 ms.
ITS solved all properties within timeout

BK_STOP 1748898520521

--------------------
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-COL-S02J06T08"
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-COL-S02J06T08, 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-174881266500187"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S02J06T08.tgz
mv PolyORBLF-COL-S02J06T08 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 ;