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.r533-tall-167987253400294.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool lolaxred
Input is PGCD-PT-D04N025, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253400294
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.6K Mar 23 15:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 23 15:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Mar 23 15:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 23 15:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 12K Mar 23 15:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 23 15:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 23 15:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 23 15:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 9.3K Mar 31 16:48 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 Liveness

=== Now, execution of the tool begins

BK_START 1680811403580

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PGCD-PT-D04N025
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 20:03:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-04-06 20:03:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 20:03:26] [INFO ] Load time of PNML (sax parser for PT used): 24 ms
[2023-04-06 20:03:26] [INFO ] Transformed 15 places.
[2023-04-06 20:03:26] [INFO ] Transformed 15 transitions.
[2023-04-06 20:03:26] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 87 ms.
Discarding 5 transitions out of 15. Remains 10
Built sparse matrix representations for Structural reductions in 5 ms.24732KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 12 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
// Phase 1: matrix 15 rows 15 cols
[2023-04-06 20:03:26] [INFO ] Computed 6 invariants in 9 ms
[2023-04-06 20:03:26] [INFO ] Dead Transitions using invariants and state equation in 170 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 207 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 4 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:26] [INFO ] Invariant cache hit.
[2023-04-06 20:03:26] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-04-06 20:03:26] [INFO ] Invariant cache hit.
[2023-04-06 20:03:26] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:26] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2023-04-06 20:03:26] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 20:03:26] [INFO ] Invariant cache hit.
[2023-04-06 20:03:26] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 132 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250000 steps, including 0 resets, run took 303 ms (no deadlock found). (steps per millisecond=4125 )
Random directed walk for 1250022 steps, including 0 resets, run took 232 ms (no deadlock found). (steps per millisecond=5388 )
[2023-04-06 20:03:27] [INFO ] Invariant cache hit.
[2023-04-06 20:03:27] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:27] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2023-04-06 20:03:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:27] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-04-06 20:03:27] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:27] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2023-04-06 20:03:27] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 20:03:27] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 20:03:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:27] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 20:03:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-06 20:03:27] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:27] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 20:03:27] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 6 ms.
[2023-04-06 20:03:27] [INFO ] Added : 1 causal constraints over 1 iterations in 19 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 23200 steps, including 130 resets, run took 34 ms. (steps per millisecond=682 )
Random directed walk for 500003 steps, including 0 resets, run took 103 ms (no deadlock found). (steps per millisecond=4854 )
Random walk for 500039 steps, including 0 resets, run took 96 ms (no deadlock found). (steps per millisecond=5208 )
Random directed walk for 500003 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
Random walk for 500001 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:27] [INFO ] Invariant cache hit.
[2023-04-06 20:03:27] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-04-06 20:03:27] [INFO ] Invariant cache hit.
[2023-04-06 20:03:27] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:27] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2023-04-06 20:03:27] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 20:03:27] [INFO ] Invariant cache hit.
[2023-04-06 20:03:28] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 104 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250006 steps, including 0 resets, run took 233 ms (no deadlock found). (steps per millisecond=5364 )
Random directed walk for 1250001 steps, including 0 resets, run took 233 ms (no deadlock found). (steps per millisecond=5364 )
[2023-04-06 20:03:28] [INFO ] Invariant cache hit.
[2023-04-06 20:03:28] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:28] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-04-06 20:03:28] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:28] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 20:03:28] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 20:03:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:28] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-04-06 20:03:28] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:28] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 20:03:28] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 20:03:28] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
Parikh directed walk for 23200 steps, including 131 resets, run took 33 ms. (steps per millisecond=703 )
Random directed walk for 500020 steps, including 0 resets, run took 87 ms (no deadlock found). (steps per millisecond=5747 )
Random walk for 500000 steps, including 0 resets, run took 96 ms (no deadlock found). (steps per millisecond=5208 )
Random directed walk for 500000 steps, including 0 resets, run took 84 ms (no deadlock found). (steps per millisecond=5952 )
Random walk for 500021 steps, including 0 resets, run took 87 ms (no deadlock found). (steps per millisecond=5747 )
[2023-04-06 20:03:29] [INFO ] Flatten gal took : 17 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:29] [INFO ] Invariant cache hit.
[2023-04-06 20:03:29] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
[2023-04-06 20:03:29] [INFO ] Invariant cache hit.
[2023-04-06 20:03:29] [INFO ] Implicit Places using invariants in 35 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 38 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 68 ms. Remains : 10/15 places, 15/15 transitions.
Discarding 5 transitions out of 15. Remains 10
Initial state reduction rules removed 5 formulas.
Finished random walk after 613 steps, including 0 resets, run visited all 5 properties in 9 ms. (steps per millisecond=68 )
Parikh walk visited 0 properties in 1 ms.
Able to resolve query QuasiLiveness after proving 10 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:29] [INFO ] Invariant cache hit.
[2023-04-06 20:03:29] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
[2023-04-06 20:03:29] [INFO ] Invariant cache hit.
[2023-04-06 20:03:29] [INFO ] Implicit Places using invariants in 40 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 41 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 71 ms. Remains : 10/15 places, 15/15 transitions.
Discarding 5 transitions out of 15. Remains 10
Unable to solve all queries for examination Liveness. Remains :10 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 10 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 2904 ms.
starting LoLA
BK_INPUT PGCD-PT-D04N025
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1680811411338

--------------------
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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -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/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: LAUNCH SYMM
lola: ..... t10: false
lola: INDIVIDUAL RESULTS
lola: t10: false (by universal search)
lola: t11: void (by not produced)
lola: t12: void (by not produced)
lola: t13: void (by not produced)
lola: t14: void (by not produced)
lola: t0: void (by not produced)
lola: t1: void (by not produced)
lola: t2: void (by not produced)
lola: t3: void (by not produced)
lola: t4: void (by not produced)
lola: t5: void (by not produced)
lola: t6: void (by not produced)
lola: t7: void (by not produced)
lola: t8: void (by not produced)
lola: t9: void (by not produced)
lola: The net is not live
lola: Example for violating transition: t10

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="PGCD-PT-D04N025"
export BK_EXAMINATION="Liveness"
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 PGCD-PT-D04N025, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r533-tall-167987253400294"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;