Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r534-smll-171683819300062.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d2m04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r534-smll-171683819300062
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Apr 12 19:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K Apr 12 19:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 12 19:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Apr 12 19:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.1M May 18 16:43 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 1717248808020

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d2m04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:33:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 13:33:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:33:30] [INFO ] Load time of PNML (sax parser for PT used): 363 ms
[2024-06-01 13:33:30] [INFO ] Transformed 2398 places.
[2024-06-01 13:33:30] [INFO ] Transformed 1954 transitions.
[2024-06-01 13:33:30] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 572 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2398/2398 places, 1954/1954 transitions.
Reduce places removed 2009 places and 0 transitions.
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 828 transitions.
Iterating post reduction 0 with 2837 rules applied. Total rules applied 2837 place count 389 transition count 1126
Applied a total of 2837 rules in 99 ms. Remains 389 /2398 variables (removed 2009) and now considering 1126/1954 (removed 828) transitions.
// Phase 1: matrix 1126 rows 389 cols
[2024-06-01 13:33:30] [INFO ] Computed 5 invariants in 58 ms
[2024-06-01 13:33:31] [INFO ] Implicit Places using invariants in 1173 ms returned []
[2024-06-01 13:33:31] [INFO ] Invariant cache hit.
[2024-06-01 13:33:32] [INFO ] State equation strengthened by 846 read => feed constraints.
[2024-06-01 13:33:37] [INFO ] Implicit Places using invariants and state equation in 5144 ms returned []
Implicit Place search using SMT with State Equation took 6370 ms to find 0 implicit places.
Running 1125 sub problems to find dead transitions.
[2024-06-01 13:33:37] [INFO ] Invariant cache hit.
[2024-06-01 13:33:37] [INFO ] State equation strengthened by 846 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/388 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/388 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
[2024-06-01 13:33:59] [INFO ] Deduced a trap composed of 141 places in 351 ms of which 50 ms to minimize.
[2024-06-01 13:34:00] [INFO ] Deduced a trap composed of 146 places in 253 ms of which 5 ms to minimize.
[2024-06-01 13:34:00] [INFO ] Deduced a trap composed of 148 places in 205 ms of which 4 ms to minimize.
[2024-06-01 13:34:00] [INFO ] Deduced a trap composed of 145 places in 215 ms of which 4 ms to minimize.
[2024-06-01 13:34:00] [INFO ] Deduced a trap composed of 143 places in 250 ms of which 4 ms to minimize.
[2024-06-01 13:34:01] [INFO ] Deduced a trap composed of 145 places in 202 ms of which 7 ms to minimize.
[2024-06-01 13:34:03] [INFO ] Deduced a trap composed of 160 places in 134 ms of which 3 ms to minimize.
[2024-06-01 13:34:03] [INFO ] Deduced a trap composed of 157 places in 132 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 388/1515 variables, and 12 constraints, problems are : Problem set: 0 solved, 1125 unsolved in 30077 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 1125/1125 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1125 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/388 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/388 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/388 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
[2024-06-01 13:34:17] [INFO ] Deduced a trap composed of 150 places in 177 ms of which 4 ms to minimize.
[2024-06-01 13:34:17] [INFO ] Deduced a trap composed of 143 places in 150 ms of which 3 ms to minimize.
[2024-06-01 13:34:17] [INFO ] Deduced a trap composed of 139 places in 124 ms of which 3 ms to minimize.
[2024-06-01 13:34:17] [INFO ] Deduced a trap composed of 147 places in 143 ms of which 3 ms to minimize.
[2024-06-01 13:34:17] [INFO ] Deduced a trap composed of 136 places in 126 ms of which 3 ms to minimize.
[2024-06-01 13:34:29] [INFO ] Deduced a trap composed of 41 places in 314 ms of which 4 ms to minimize.
[2024-06-01 13:34:30] [INFO ] Deduced a trap composed of 41 places in 216 ms of which 3 ms to minimize.
[2024-06-01 13:34:30] [INFO ] Deduced a trap composed of 48 places in 284 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/388 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 1125 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 388/1515 variables, and 20 constraints, problems are : Problem set: 0 solved, 1125 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/389 constraints, ReadFeed: 0/846 constraints, PredecessorRefiner: 0/1125 constraints, Known Traps: 16/16 constraints]
After SMT, in 67371ms problems are : Problem set: 0 solved, 1125 unsolved
Search for dead transitions found 0 dead transitions in 67457ms
Starting structural reductions in LIVENESS mode, iteration 1 : 389/2398 places, 1126/1954 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 73991 ms. Remains : 389/2398 places, 1126/1954 transitions.
Discarding 748 transitions out of 1126. Remains 378
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8793 resets) in 4685 ms. (8 steps per ms) remains 353/377 properties
BEST_FIRST walk for 403 steps (18 resets) in 28 ms. (13 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 23 ms. (16 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (16 resets) in 21 ms. (18 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (25 resets) in 41 ms. (9 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 39 ms. (10 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 24 ms. (16 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (20 resets) in 29 ms. (13 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 27 ms. (14 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (19 resets) in 32 ms. (12 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (13 resets) in 21 ms. (18 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (14 resets) in 12 ms. (30 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (24 resets) in 12 ms. (30 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (12 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (18 resets) in 19 ms. (20 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (21 resets) in 19 ms. (20 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (16 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (15 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (24 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (21 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (15 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (18 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (15 resets) in 10 ms. (36 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (16 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (18 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (18 resets) in 12 ms. (30 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 27 ms. (14 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (17 resets) in 17 ms. (22 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (14 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (18 resets) in 10 ms. (36 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (17 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (20 resets) in 19 ms. (20 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (24 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (16 resets) in 13 ms. (28 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (19 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 20 ms. (19 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (15 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (22 resets) in 14 ms. (26 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (16 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (14 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 401 steps (17 resets) in 13 ms. (28 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (11 resets) in 15 ms. (25 steps per ms) remains 353/353 properties
BEST_FIRST walk for 402 steps (13 resets) in 18 ms. (21 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (20 resets) in 11 ms. (33 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (19 resets) in 16 ms. (23 steps per ms) remains 353/353 properties
BEST_FIRST walk for 403 steps (23 resets) in 12 ms. (31 steps per ms) remains 353/353 properties
BEST_FIRST walk for 404 steps (17 resets) in 10 ms. (36 steps per ms) remains 353/353 properties
Probably explored full state space saw : 3601 states, properties seen :45
Probabilistic random walk after 9757 steps, saw 3601 distinct states, run finished after 419 ms. (steps per millisecond=23 ) properties seen :45
Explored full state space saw : 3601 states, properties seen :0
Exhaustive walk after 9757 steps, saw 3601 distinct states, run finished after 412 ms. (steps per millisecond=23 ) properties seen :0
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK EXHAUSTIVE_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 77418 ms.
ITS solved all properties within timeout

BK_STOP 1717248887401

--------------------
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="SieveSingleMsgMbox-PT-d2m04"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d2m04, 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 r534-smll-171683819300062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m04.tgz
mv SieveSingleMsgMbox-PT-d2m04 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;