Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r439-tajo-167905986100247.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d0m96, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r439-tajo-167905986100247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 5.4K Feb 26 10:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 10:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 10:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 26 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 10:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 26 10:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 57K Mar 5 18:23 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 1679552980574

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
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-d0m96
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 06:29:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-23 06:29:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 06:29:42] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2023-03-23 06:29:42] [INFO ] Transformed 262 places.
[2023-03-23 06:29:42] [INFO ] Transformed 73 transitions.
[2023-03-23 06:29:42] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 103 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 262/262 places, 73/73 transitions.
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 70 transition count 73
Applied a total of 192 rules in 11 ms. Remains 70 /262 variables (removed 192) and now considering 73/73 (removed 0) transitions.
// Phase 1: matrix 73 rows 70 cols
[2023-03-23 06:29:42] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-23 06:29:42] [INFO ] Implicit Places using invariants in 193 ms returned []
[2023-03-23 06:29:42] [INFO ] Invariant cache hit.
[2023-03-23 06:29:42] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-23 06:29:42] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2023-03-23 06:29:42] [INFO ] Invariant cache hit.
[2023-03-23 06:29:42] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 70/262 places, 73/73 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 411 ms. Remains : 70/262 places, 73/73 transitions.
Discarding 10 transitions out of 73. Remains 63
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2272 resets, run finished after 359 ms. (steps per millisecond=27 ) properties (out of 62) seen :21
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 55 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 56 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 55 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 48 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 56 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :3
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 98 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 94 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 117 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 91 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 102 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 114 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 127 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 113 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 113 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 77 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 115 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 94 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 101 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 109 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 38) seen :0
Running SMT prover for 38 properties.
[2023-03-23 06:29:43] [INFO ] Invariant cache hit.
[2023-03-23 06:29:43] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-23 06:29:43] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-23 06:29:44] [INFO ] After 392ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:38
[2023-03-23 06:29:44] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-23 06:29:44] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-23 06:29:44] [INFO ] After 234ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :38
[2023-03-23 06:29:44] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-23 06:29:44] [INFO ] After 206ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :38
[2023-03-23 06:29:44] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 17 ms to minimize.
[2023-03-23 06:29:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2023-03-23 06:29:45] [INFO ] After 673ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :38
Attempting to minimize the solution found.
Minimization took 270 ms.
[2023-03-23 06:29:45] [INFO ] After 1322ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :38
Fused 38 Parikh solutions to 37 different solutions.
Parikh walk visited 17 properties in 2788 ms.
Support contains 28 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 65 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 65 transition count 68
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 64 transition count 67
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 64 transition count 67
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 66
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 63 transition count 65
Applied a total of 15 rules in 16 ms. Remains 63 /70 variables (removed 7) and now considering 65/73 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 63/70 places, 65/73 transitions.
Incomplete random walk after 1000000 steps, including 223930 resets, run finished after 20269 ms. (steps per millisecond=49 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 4764 resets, run finished after 727 ms. (steps per millisecond=137 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 4967 resets, run finished after 722 ms. (steps per millisecond=138 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4773 resets, run finished after 826 ms. (steps per millisecond=121 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 4773 resets, run finished after 689 ms. (steps per millisecond=145 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 4853 resets, run finished after 909 ms. (steps per millisecond=110 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4788 resets, run finished after 772 ms. (steps per millisecond=129 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4952 resets, run finished after 330 ms. (steps per millisecond=303 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4948 resets, run finished after 745 ms. (steps per millisecond=134 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4786 resets, run finished after 314 ms. (steps per millisecond=318 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4803 resets, run finished after 571 ms. (steps per millisecond=175 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4843 resets, run finished after 779 ms. (steps per millisecond=128 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1309 ms. (steps per millisecond=76 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 10457 resets, run finished after 983 ms. (steps per millisecond=101 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10397 resets, run finished after 961 ms. (steps per millisecond=104 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 10218 resets, run finished after 999 ms. (steps per millisecond=100 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10218 resets, run finished after 960 ms. (steps per millisecond=104 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10029 resets, run finished after 984 ms. (steps per millisecond=101 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10338 resets, run finished after 978 ms. (steps per millisecond=102 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10418 resets, run finished after 978 ms. (steps per millisecond=102 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10185 resets, run finished after 965 ms. (steps per millisecond=103 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 10386 resets, run finished after 956 ms. (steps per millisecond=104 ) properties (out of 21) seen :0
Finished probabilistic random walk after 1620 steps, run visited all 21 properties in 19 ms. (steps per millisecond=85 )
Probabilistic random walk after 1620 steps, saw 849 distinct states, run finished after 20 ms. (steps per millisecond=81 ) properties seen :21
Able to resolve query QuasiLiveness after proving 63 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 43678 ms.
ITS solved all properties within timeout

BK_STOP 1679553026204

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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-d0m96"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d0m96, 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 r439-tajo-167905986100247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m96.tgz
mv SieveSingleMsgMbox-PT-d0m96 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 ;