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.r196-tall-174889279200492.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 SafeBus-PT-15, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889279200492
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 269K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 441K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.9M 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 27K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 186K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 605K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 382K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 944K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.9M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.5M 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 1748965187232

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-15
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 15:39:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 15:39:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 15:39:48] [INFO ] Load time of PNML (sax parser for PT used): 359 ms
[2025-06-03 15:39:48] [INFO ] Transformed 621 places.
[2025-06-03 15:39:48] [INFO ] Transformed 4771 transitions.
[2025-06-03 15:39:48] [INFO ] Found NUPN structural information;
[2025-06-03 15:39:49] [INFO ] Parsed PT model containing 621 places and 4771 transitions and 34549 arcs in 548 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 621/621 places, 4771/4771 transitions.
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 606 transition count 4771
Applied a total of 15 rules in 115 ms. Remains 606 /621 variables (removed 15) and now considering 4771/4771 (removed 0) transitions.
[2025-06-03 15:39:49] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2025-06-03 15:39:49] [INFO ] Computed 65 invariants in 80 ms
[2025-06-03 15:39:54] [INFO ] Implicit Places using invariants in 5001 ms returned [546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 5051 ms to find 15 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 591/621 places, 4771/4771 transitions.
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 591 transition count 4756
Deduced a syphon composed of 15 places in 5 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 576 transition count 4756
Applied a total of 30 rules in 59 ms. Remains 576 /591 variables (removed 15) and now considering 4756/4771 (removed 15) transitions.
[2025-06-03 15:39:54] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2025-06-03 15:39:54] [INFO ] Computed 50 invariants in 26 ms
[2025-06-03 15:39:57] [INFO ] Implicit Places using invariants in 3568 ms returned []
[2025-06-03 15:39:57] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:39:57] [INFO ] Invariant cache hit.
[2025-06-03 15:39:58] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:40:07] [INFO ] Implicit Places using invariants and state equation in 9207 ms returned []
Implicit Place search using SMT with State Equation took 12783 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 576/621 places, 4756/4771 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 18029 ms. Remains : 576/621 places, 4756/4771 transitions.
Discarding 195 transitions out of 4756. Remains 4561
Initial state reduction rules removed 15 formulas.
RANDOM walk for 40000 steps (8 resets) in 8633 ms. (4 steps per ms) remains 657/4546 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 9 ms. (12 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 10 ms. (11 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 8 ms. (13 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 6 ms. (17 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 4 ms. (24 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 5 ms. (20 steps per ms) remains 657/657 properties
BEST_FIRST walk for 124 steps (4 resets) in 7 ms. (15 steps per ms) remains 657/657 properties
[2025-06-03 15:40:10] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:40:10] [INFO ] Invariant cache hit.
[2025-06-03 15:40:10] [INFO ] State equation strengthened by 241 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 256/256 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/1973 variables, and 256 constraints, problems are : Problem set: 0 solved, 657 unsolved in 5027 ms.
Refiners :[Domain max(s): 256/576 constraints, Positive P Invariants (semi-flows): 0/19 constraints, Generalized P Invariants (flows): 0/31 constraints, State Equation: 0/576 constraints, ReadFeed: 0/241 constraints, PredecessorRefiner: 657/657 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 657 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 256/256 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/256 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 2 (OVERLAPS) 302/558 variables, 17/273 constraints. Problems are: Problem set: 0 solved, 657 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/558 variables, 302/575 constraints. Problems are: Problem set: 0 solved, 657 unsolved
Problem qltransition_211 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 13545ms, After SMT, problems are : Problem set: 0 solved, 657 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 256 out of 576 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 576/576 places, 4756/4756 transitions.
Applied a total of 0 rules in 1131 ms. Remains 576 /576 variables (removed 0) and now considering 4756/4756 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1132 ms. Remains : 576/576 places, 4756/4756 transitions.
Total runtime 36271 ms.
ITS solved all properties within timeout

BK_STOP 1748965225000

--------------------
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="SafeBus-PT-15"
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 SafeBus-PT-15, 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 r196-tall-174889279200492"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-15.tgz
mv SafeBus-PT-15 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 ;