Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r405-oct2-167903725300186.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ShieldIIPt-PT-030B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r405-oct2-167903725300186
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 896K
-rw-r--r-- 1 mcc users 6.3K Feb 25 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 25 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 17:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 25 17:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 25 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 33K Feb 25 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 512K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679750201022

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=lolaxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-030B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-25 13:16:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-25 13:16:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 13:16:44] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2023-03-25 13:16:44] [INFO ] Transformed 2103 places.
[2023-03-25 13:16:44] [INFO ] Transformed 1953 transitions.
[2023-03-25 13:16:44] [INFO ] Found NUPN structural information;
[2023-03-25 13:16:44] [INFO ] Parsed PT model containing 2103 places and 1953 transitions and 4866 arcs in 452 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 19 ms.32764KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 2103/2103 places, 1953/1953 transitions.
Computed a total of 600 stabilizing places and 600 stable transitions
Computed a total of 600 stabilizing places and 600 stable transitions
Drop transitions removed 512 transitions
Trivial Post-agglo rules discarded 512 transitions
Performed 512 trivial Post agglomeration. Transition count delta: 512
Iterating post reduction 0 with 512 rules applied. Total rules applied 512 place count 2103 transition count 1441
Reduce places removed 512 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 360 stabilizing places and 360 stable transitions
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 514 rules applied. Total rules applied 1026 place count 1591 transition count 1439
Reduce places removed 1 places and 0 transitions.
Computed a total of 360 stabilizing places and 360 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 1027 place count 1590 transition count 1439
Computed a total of 360 stabilizing places and 360 stable transitions
Performed 121 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 121 Pre rules applied. Total rules applied 1027 place count 1590 transition count 1318
Deduced a syphon composed of 121 places in 4 ms
Reduce places removed 121 places and 0 transitions.
Iterating global reduction 3 with 242 rules applied. Total rules applied 1269 place count 1469 transition count 1318
Computed a total of 360 stabilizing places and 360 stable transitions
Discarding 210 places :
Symmetric choice reduction at 3 with 210 rule applications. Total rules 1479 place count 1259 transition count 1108
Iterating global reduction 3 with 210 rules applied. Total rules applied 1689 place count 1259 transition count 1108
Computed a total of 240 stabilizing places and 240 stable transitions
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 90 Pre rules applied. Total rules applied 1689 place count 1259 transition count 1018
Deduced a syphon composed of 90 places in 4 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 3 with 180 rules applied. Total rules applied 1869 place count 1169 transition count 1018
Computed a total of 241 stabilizing places and 240 stable transitions
Performed 509 Post agglomeration using F-continuation condition.Transition count delta: 509
Deduced a syphon composed of 509 places in 1 ms
Reduce places removed 509 places and 0 transitions.
Iterating global reduction 3 with 1018 rules applied. Total rules applied 2887 place count 660 transition count 509
Computed a total of 3 stabilizing places and 1 stable transitions
Renaming transitions due to excessive name length > 1024 char.
Performed 89 Post agglomeration using F-continuation condition.Transition count delta: -59
Deduced a syphon composed of 89 places in 2 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 3065 place count 571 transition count 568
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 3066 place count 570 transition count 567
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 3 with 2 rules applied. Total rules applied 3068 place count 568 transition count 567
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 3068 place count 568 transition count 566
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 3070 place count 567 transition count 566
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 3070 rules in 880 ms. Remains 567 /2103 variables (removed 1536) and now considering 566/1953 (removed 1387) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 880 ms. Remains : 567/2103 places, 566/1953 transitions.
Random walk for 1250000 steps, including 0 resets, run took 7245 ms (no deadlock found). (steps per millisecond=172 )
Random directed walk for 1250000 steps, including 0 resets, run took 5675 ms (no deadlock found). (steps per millisecond=220 )
// Phase 1: matrix 566 rows 567 cols
[2023-03-25 13:16:58] [INFO ] Computed 269 place invariants in 36 ms
[2023-03-25 13:16:59] [INFO ] [Real]Absence check using 269 positive place invariants in 140 ms returned sat
[2023-03-25 13:16:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:17:02] [INFO ] [Real]Absence check using state equation in 2642 ms returned sat
[2023-03-25 13:17:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:17:02] [INFO ] [Nat]Absence check using 269 positive place invariants in 192 ms returned sat
[2023-03-25 13:17:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:17:03] [INFO ] [Nat]Absence check using state equation in 763 ms returned sat
[2023-03-25 13:17:03] [INFO ] Computed and/alt/rep : 562/858/562 causal constraints (skipped 0 transitions) in 66 ms.
[2023-03-25 13:17:09] [INFO ] Added : 425 causal constraints over 86 iterations in 6175 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 56 ms.
Parikh directed walk for 470300 steps, including 1000 resets, run took 2786 ms. (steps per millisecond=168 )
Random directed walk for 500000 steps, including 0 resets, run took 2179 ms (no deadlock found). (steps per millisecond=229 )
Random walk for 500000 steps, including 0 resets, run took 2682 ms (no deadlock found). (steps per millisecond=186 )
Random directed walk for 500001 steps, including 0 resets, run took 2285 ms (no deadlock found). (steps per millisecond=218 )
Random walk for 500000 steps, including 0 resets, run took 2835 ms (no deadlock found). (steps per millisecond=176 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 567/567 places, 566/566 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 15 ms. Remains 567 /567 variables (removed 0) and now considering 566/566 (removed 0) transitions.
[2023-03-25 13:17:22] [INFO ] Invariant cache hit.
[2023-03-25 13:17:23] [INFO ] Implicit Places using invariants in 695 ms returned [556]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 700 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 566/567 places, 566/566 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 565 transition count 565
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 2 rules in 52 ms. Remains 565 /566 variables (removed 1) and now considering 565/566 (removed 1) transitions.
// Phase 1: matrix 565 rows 565 cols
[2023-03-25 13:17:23] [INFO ] Computed 268 place invariants in 3 ms
[2023-03-25 13:17:24] [INFO ] Implicit Places using invariants in 633 ms returned []
[2023-03-25 13:17:24] [INFO ] Invariant cache hit.
[2023-03-25 13:17:25] [INFO ] Implicit Places using invariants and state equation in 1073 ms returned []
Implicit Place search using SMT with State Equation took 1723 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 565/567 places, 565/566 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 2491 ms. Remains : 565/567 places, 565/566 transitions.
Random walk for 1250000 steps, including 0 resets, run took 6438 ms (no deadlock found). (steps per millisecond=194 )
Random directed walk for 1250003 steps, including 0 resets, run took 5408 ms (no deadlock found). (steps per millisecond=231 )
[2023-03-25 13:17:37] [INFO ] Invariant cache hit.
[2023-03-25 13:17:37] [INFO ] [Real]Absence check using 268 positive place invariants in 106 ms returned sat
[2023-03-25 13:17:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:17:38] [INFO ] [Real]Absence check using state equation in 574 ms returned sat
[2023-03-25 13:17:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:17:38] [INFO ] [Nat]Absence check using 268 positive place invariants in 102 ms returned sat
[2023-03-25 13:17:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:17:38] [INFO ] [Nat]Absence check using state equation in 620 ms returned sat
[2023-03-25 13:17:39] [INFO ] Computed and/alt/rep : 561/855/561 causal constraints (skipped 0 transitions) in 86 ms.
[2023-03-25 13:17:45] [INFO ] Added : 464 causal constraints over 93 iterations in 6903 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 93 ms.
Parikh directed walk for 284000 steps, including 1000 resets, run took 1663 ms. (steps per millisecond=170 )
Random directed walk for 500006 steps, including 0 resets, run took 2102 ms (no deadlock found). (steps per millisecond=237 )
Random walk for 500000 steps, including 0 resets, run took 2587 ms (no deadlock found). (steps per millisecond=193 )
Random directed walk for 500002 steps, including 0 resets, run took 2149 ms (no deadlock found). (steps per millisecond=232 )
Random walk for 500000 steps, including 0 resets, run took 2586 ms (no deadlock found). (steps per millisecond=193 )
[2023-03-25 13:17:57] [INFO ] Flatten gal took : 137 ms
[2023-03-25 13:17:57] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-25 13:17:57] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 2103 places, 1953 transitions and 4866 arcs took 11 ms.
Total runtime 73357 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldIIPt-PT-030B
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679750283308

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: STP: formula with 841277 variables and 2541932 clauses shipped to Minisat
lola: A deadlock is reachable.

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="ShieldIIPt-PT-030B"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is ShieldIIPt-PT-030B, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r405-oct2-167903725300186"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-030B.tgz
mv ShieldIIPt-PT-030B execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;