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-174889278600122.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 ResIsolation-PT-N08P1, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889278600122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.5M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K 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 57K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.1M 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 1748954630116

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ResIsolation-PT-N08P1
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 12:43:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 12:43:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 12:43:51] [INFO ] Load time of PNML (sax parser for PT used): 396 ms
[2025-06-03 12:43:51] [INFO ] Transformed 270 places.
[2025-06-03 12:43:51] [INFO ] Transformed 4850 transitions.
[2025-06-03 12:43:51] [INFO ] Found NUPN structural information;
[2025-06-03 12:43:51] [INFO ] Parsed PT model containing 270 places and 4850 transitions and 83436 arcs in 546 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 270/270 places, 4850/4850 transitions.
Graph (trivial) has 234 edges and 270 vertex of which 24 / 270 are part of one of the 8 SCC in 6 ms
Free SCC test removed 16 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Reduce places removed 9 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 42 transitions
Trivial Post-agglo rules discarded 42 transitions
Performed 42 trivial Post agglomeration. Transition count delta: 42
Iterating post reduction 0 with 51 rules applied. Total rules applied 52 place count 245 transition count 4792
Reduce places removed 42 places and 0 transitions.
Iterating post reduction 1 with 42 rules applied. Total rules applied 94 place count 203 transition count 4792
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 94 place count 203 transition count 4783
Deduced a syphon composed of 9 places in 19 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 112 place count 194 transition count 4783
Performed 143 Post agglomeration using F-continuation condition.Transition count delta: 143
Deduced a syphon composed of 143 places in 4 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 2 with 286 rules applied. Total rules applied 398 place count 51 transition count 4640
Ensure Unique test removed 773 transitions
Reduce isomorphic transitions removed 773 transitions.
Iterating post reduction 2 with 773 rules applied. Total rules applied 1171 place count 51 transition count 3867
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 1177 place count 48 transition count 3875
Applied a total of 1177 rules in 847 ms. Remains 48 /270 variables (removed 222) and now considering 3875/4850 (removed 975) transitions.
[2025-06-03 12:43:52] [INFO ] Flow matrix only has 3867 transitions (discarded 8 similar events)
// Phase 1: matrix 3867 rows 48 cols
[2025-06-03 12:43:52] [INFO ] Computed 0 invariants in 84 ms
[2025-06-03 12:43:53] [INFO ] Implicit Places using invariants in 1072 ms returned []
[2025-06-03 12:43:53] [INFO ] Flow matrix only has 3867 transitions (discarded 8 similar events)
[2025-06-03 12:43:53] [INFO ] Invariant cache hit.
[2025-06-03 12:43:56] [INFO ] State equation strengthened by 3826 read => feed constraints.
[2025-06-03 12:44:15] [INFO ] Implicit Places using invariants and state equation in 21608 ms returned []
Implicit Place search using SMT with State Equation took 22727 ms to find 0 implicit places.
Running 3859 sub problems to find dead transitions.
[2025-06-03 12:44:15] [INFO ] Flow matrix only has 3867 transitions (discarded 8 similar events)
[2025-06-03 12:44:15] [INFO ] Invariant cache hit.
[2025-06-03 12:44:20] [INFO ] State equation strengthened by 3826 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 3859 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3859 unsolved
At refinement iteration 2 (OVERLAPS) 3866/3913 variables, 47/94 constraints. Problems are: Problem set: 0 solved, 3859 unsolved
SMT process timed out in 91198ms, After SMT, problems are : Problem set: 0 solved, 3859 unsolved
Search for dead transitions found 0 dead transitions in 91281ms
Starting structural reductions in LIVENESS mode, iteration 1 : 48/270 places, 3875/4850 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 114935 ms. Remains : 48/270 places, 3875/4850 transitions.
Discarding 1564 transitions out of 3875. Remains 2311
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2479 resets) in 17449 ms. (2 steps per ms) remains 90/2310 properties
BEST_FIRST walk for 4004 steps (7 resets) in 29 ms. (133 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (38 resets) in 61 ms. (64 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (57 resets) in 30 ms. (129 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (20 resets) in 19 ms. (200 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (64 resets) in 42 ms. (93 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (37 resets) in 59 ms. (66 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (31 resets) in 28 ms. (138 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (43 resets) in 26 ms. (148 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (13 resets) in 19 ms. (200 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (57 resets) in 29 ms. (133 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (55 resets) in 26 ms. (148 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (51 resets) in 30 ms. (129 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (55 resets) in 22 ms. (174 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (45 resets) in 21 ms. (182 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (72 resets) in 35 ms. (111 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (72 resets) in 36 ms. (108 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (41 resets) in 30 ms. (129 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (50 resets) in 51 ms. (77 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (70 resets) in 28 ms. (138 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (56 resets) in 38 ms. (102 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (5 resets) in 16 ms. (235 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (17 resets) in 22 ms. (174 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (61 resets) in 27 ms. (143 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (37 resets) in 21 ms. (182 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (28 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (45 resets) in 25 ms. (154 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (64 resets) in 23 ms. (166 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (32 resets) in 28 ms. (138 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (9 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (23 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (40 resets) in 22 ms. (174 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (38 resets) in 27 ms. (143 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (72 resets) in 27 ms. (143 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (25 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (55 resets) in 25 ms. (154 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (45 resets) in 23 ms. (166 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (39 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (67 resets) in 43 ms. (91 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (38 resets) in 26 ms. (148 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (54 resets) in 35 ms. (111 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (72 resets) in 24 ms. (160 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (66 resets) in 23 ms. (166 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (11 resets) in 14 ms. (266 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (29 resets) in 19 ms. (200 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (55 resets) in 21 ms. (182 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (17 resets) in 19 ms. (200 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (18 resets) in 18 ms. (210 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (39 resets) in 20 ms. (190 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (5 resets) in 14 ms. (266 steps per ms) remains 90/90 properties
BEST_FIRST walk for 4004 steps (53 resets) in 30 ms. (129 steps per ms) remains 90/90 properties
[2025-06-03 12:45:53] [INFO ] Flow matrix only has 3867 transitions (discarded 8 similar events)
[2025-06-03 12:45:53] [INFO ] Invariant cache hit.
[2025-06-03 12:45:59] [INFO ] State equation strengthened by 3826 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (OVERLAPS) 3860/3899 variables, 39/78 constraints. Problems are: Problem set: 0 solved, 90 unsolved
SMT process timed out in 12339ms, After SMT, problems are : Problem set: 0 solved, 90 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 39 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 3875/3875 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 48 transition count 3861
Applied a total of 14 rules in 5466 ms. Remains 48 /48 variables (removed 0) and now considering 3861/3875 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5468 ms. Remains : 48/48 places, 3861/3875 transitions.
RANDOM walk for 186034 steps (72 resets) in 64934 ms. (2 steps per ms) remains 0/90 properties
Able to resolve query QuasiLiveness after proving 2311 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 167551 ms.
ITS solved all properties within timeout

BK_STOP 1748954798963

--------------------
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="ResIsolation-PT-N08P1"
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 ResIsolation-PT-N08P1, 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-174889278600122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ResIsolation-PT-N08P1.tgz
mv ResIsolation-PT-N08P1 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 ;