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.r181-tall-167838868800456.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)
.....................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is FunctionPointer-PT-c008, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r181-tall-167838868800456
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.6K Feb 25 11:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 11:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 11:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 25 11:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 12:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 25 12:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 115K Feb 25 12:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 4.2M Mar 5 18:22 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 1678544944114

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=FunctionPointer-PT-c008
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 14:29:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-11 14:29:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 14:29:05] [INFO ] Load time of PNML (sax parser for PT used): 325 ms
[2023-03-11 14:29:05] [INFO ] Transformed 2826 places.
[2023-03-11 14:29:06] [INFO ] Transformed 8960 transitions.
[2023-03-11 14:29:06] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 476 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 1198 places in 36 ms
Reduce places removed 1198 places and 2998 transitions.
Built sparse matrix representations for Structural reductions in 13 ms.34509KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Graph (complete) has 9876 edges and 1628 vertex of which 1611 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.48 ms
Discarding 17 places :
Also discarding 0 output transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 302 places :
Symmetric choice reduction at 0 with 302 rule applications. Total rules 303 place count 1309 transition count 3662
Iterating global reduction 0 with 302 rules applied. Total rules applied 605 place count 1309 transition count 3662
Ensure Unique test removed 352 transitions
Reduce isomorphic transitions removed 352 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Iterating post reduction 0 with 352 rules applied. Total rules applied 957 place count 1309 transition count 3310
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 158 places :
Symmetric choice reduction at 1 with 158 rule applications. Total rules 1115 place count 1151 transition count 2994
Iterating global reduction 1 with 158 rules applied. Total rules applied 1273 place count 1151 transition count 2994
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Iterating post reduction 1 with 64 rules applied. Total rules applied 1337 place count 1151 transition count 2930
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1351 place count 1137 transition count 2902
Iterating global reduction 2 with 14 rules applied. Total rules applied 1365 place count 1137 transition count 2902
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1379 place count 1123 transition count 2874
Iterating global reduction 2 with 14 rules applied. Total rules applied 1393 place count 1123 transition count 2874
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1407 place count 1109 transition count 2846
Iterating global reduction 2 with 14 rules applied. Total rules applied 1421 place count 1109 transition count 2846
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1435 place count 1095 transition count 2818
Iterating global reduction 2 with 14 rules applied. Total rules applied 1449 place count 1095 transition count 2818
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1463 place count 1081 transition count 2790
Iterating global reduction 2 with 14 rules applied. Total rules applied 1477 place count 1081 transition count 2790
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1491 place count 1067 transition count 2762
Iterating global reduction 2 with 14 rules applied. Total rules applied 1505 place count 1067 transition count 2762
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1519 place count 1053 transition count 2734
Iterating global reduction 2 with 14 rules applied. Total rules applied 1533 place count 1053 transition count 2734
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 1596 place count 990 transition count 2496
Iterating global reduction 2 with 63 rules applied. Total rules applied 1659 place count 990 transition count 2496
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 1722 place count 927 transition count 2244
Iterating global reduction 2 with 63 rules applied. Total rules applied 1785 place count 927 transition count 2244
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 1848 place count 864 transition count 2104
Iterating global reduction 2 with 63 rules applied. Total rules applied 1911 place count 864 transition count 2104
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 1974 place count 801 transition count 1978
Iterating global reduction 2 with 63 rules applied. Total rules applied 2037 place count 801 transition count 1978
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 2100 place count 738 transition count 1852
Iterating global reduction 2 with 63 rules applied. Total rules applied 2163 place count 738 transition count 1852
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 2226 place count 675 transition count 1726
Iterating global reduction 2 with 63 rules applied. Total rules applied 2289 place count 675 transition count 1726
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 2352 place count 612 transition count 1600
Iterating global reduction 2 with 63 rules applied. Total rules applied 2415 place count 612 transition count 1600
Computed a total of 192 stabilizing places and 512 stable transitions
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 2422 place count 605 transition count 1586
Iterating global reduction 2 with 7 rules applied. Total rules applied 2429 place count 605 transition count 1586
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 2431 place count 605 transition count 1584
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Applied a total of 2431 rules in 1797 ms. Remains 605 /1628 variables (removed 1023) and now considering 1584/5962 (removed 4378) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1798 ms. Remains : 605/1628 places, 1584/5962 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3185 ms (no deadlock found). (steps per millisecond=392 )
Random directed walk for 1250016 steps, including 0 resets, run took 2729 ms (no deadlock found). (steps per millisecond=458 )
[2023-03-11 14:29:13] [INFO ] Flow matrix only has 1057 transitions (discarded 527 similar events)
// Phase 1: matrix 1057 rows 605 cols
[2023-03-11 14:29:13] [INFO ] Computed 2 place invariants in 27 ms
[2023-03-11 14:29:14] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2023-03-11 14:29:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-11 14:29:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-11 14:29:15] [INFO ] [Real]Absence check using state equation in 1296 ms returned sat
[2023-03-11 14:29:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-11 14:29:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 36 ms returned sat
[2023-03-11 14:29:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 14:29:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-11 14:29:16] [INFO ] [Nat]Absence check using state equation in 377 ms returned sat
[2023-03-11 14:29:16] [INFO ] State equation strengthened by 262 read => feed constraints.
[2023-03-11 14:29:16] [INFO ] [Nat]Added 262 Read/Feed constraints in 132 ms returned sat
[2023-03-11 14:29:16] [INFO ] Computed and/alt/rep : 204/290/202 causal constraints (skipped 853 transitions) in 172 ms.
[2023-03-11 14:29:17] [INFO ] Added : 21 causal constraints over 7 iterations in 662 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
Parikh directed walk for 34100 steps, including 34100 resets, run took 694 ms. (steps per millisecond=49 )
Random directed walk for 500000 steps, including 0 resets, run took 1103 ms (no deadlock found). (steps per millisecond=453 )
Random walk for 500000 steps, including 0 resets, run took 930 ms (no deadlock found). (steps per millisecond=537 )
Random directed walk for 500002 steps, including 0 resets, run took 1142 ms (no deadlock found). (steps per millisecond=437 )
Random walk for 500003 steps, including 0 resets, run took 1124 ms (no deadlock found). (steps per millisecond=444 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 605/605 places, 1584/1584 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Applied a total of 0 rules in 116 ms. Remains 605 /605 variables (removed 0) and now considering 1584/1584 (removed 0) transitions.
[2023-03-11 14:29:22] [INFO ] Flow matrix only has 1057 transitions (discarded 527 similar events)
[2023-03-11 14:29:22] [INFO ] Invariant cache hit.
[2023-03-11 14:29:22] [INFO ] Implicit Places using invariants in 442 ms returned []
[2023-03-11 14:29:22] [INFO ] Flow matrix only has 1057 transitions (discarded 527 similar events)
[2023-03-11 14:29:22] [INFO ] Invariant cache hit.
[2023-03-11 14:29:23] [INFO ] State equation strengthened by 262 read => feed constraints.
[2023-03-11 14:29:24] [INFO ] Implicit Places using invariants and state equation in 1641 ms returned []
Implicit Place search using SMT with State Equation took 2085 ms to find 0 implicit places.
[2023-03-11 14:29:24] [INFO ] Redundant transitions in 102 ms returned []
[2023-03-11 14:29:24] [INFO ] Flow matrix only has 1057 transitions (discarded 527 similar events)
[2023-03-11 14:29:24] [INFO ] Invariant cache hit.
[2023-03-11 14:29:25] [INFO ] Dead Transitions using invariants and state equation in 526 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2844 ms. Remains : 605/605 places, 1584/1584 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2657 ms (no deadlock found). (steps per millisecond=470 )
Random directed walk for 1250000 steps, including 0 resets, run took 2789 ms (no deadlock found). (steps per millisecond=448 )
[2023-03-11 14:29:30] [INFO ] Flow matrix only has 1057 transitions (discarded 527 similar events)
[2023-03-11 14:29:30] [INFO ] Invariant cache hit.
[2023-03-11 14:29:30] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2023-03-11 14:29:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 14:29:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-11 14:29:32] [INFO ] [Real]Absence check using state equation in 1410 ms returned sat
[2023-03-11 14:29:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-11 14:29:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 36 ms returned sat
[2023-03-11 14:29:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-11 14:29:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-11 14:29:33] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2023-03-11 14:29:33] [INFO ] State equation strengthened by 262 read => feed constraints.
[2023-03-11 14:29:33] [INFO ] [Nat]Added 262 Read/Feed constraints in 127 ms returned sat
[2023-03-11 14:29:33] [INFO ] Computed and/alt/rep : 204/290/202 causal constraints (skipped 853 transitions) in 109 ms.
[2023-03-11 14:29:33] [INFO ] Added : 21 causal constraints over 7 iterations in 586 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 9 ms.
Parikh directed walk for 34100 steps, including 34100 resets, run took 691 ms. (steps per millisecond=49 )
Random directed walk for 500003 steps, including 0 resets, run took 1115 ms (no deadlock found). (steps per millisecond=448 )
Random walk for 500003 steps, including 0 resets, run took 949 ms (no deadlock found). (steps per millisecond=526 )
Random directed walk for 500015 steps, including 0 resets, run took 1109 ms (no deadlock found). (steps per millisecond=450 )
Random walk for 500000 steps, including 0 resets, run took 1056 ms (no deadlock found). (steps per millisecond=473 )
[2023-03-11 14:29:39] [INFO ] Flatten gal took : 460 ms
[2023-03-11 14:29:39] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-11 14:29:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1628 places, 5962 transitions and 24104 arcs took 44 ms.
Total runtime 33997 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT FunctionPointer-PT-c008
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678546599748

--------------------
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/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: STP: formula with 12219602 variables and 51479312 clauses shipped to Minisat
lola: SIPHON RESULT 1
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="FunctionPointer-PT-c008"
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 FunctionPointer-PT-c008, 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 r181-tall-167838868800456"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c008.tgz
mv FunctionPointer-PT-c008 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 ;