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.r375-smll-167891826300136.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 ltsminxred
Input is SafeBus-COL-10, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r375-smll-167891826300136
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 6.5K Feb 26 01:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 26 01:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 01:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 01:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 26 01:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 01:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 01:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 42K 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 1679069432577

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-COL-10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 16:10:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 16:10:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 16:10:35] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-17 16:10:35] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 16:10:36] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 862 ms
[2023-03-17 16:10:36] [INFO ] Detected 1 constant HL places corresponding to 10 PT places.
[2023-03-17 16:10:36] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 326 PT places and 12821.0 transition bindings in 30 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
[2023-03-17 16:10:36] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 5 ms.
[2023-03-17 16:10:36] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [It(10), It(10)] of place AMC breaks symmetries in sort It
[2023-03-17 16:10:36] [INFO ] Unfolded HLPN to a Petri net with 326 places and 1651 transitions 11294 arcs in 90 ms.
[2023-03-17 16:10:36] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Deduced a syphon composed of 10 places in 6 ms
Reduce places removed 20 places and 20 transitions.
Built sparse matrix representations for Structural reductions in 3 ms.26825KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 306/306 places, 1631/1631 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 475 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 487 ms. Remains : 306/306 places, 1631/1631 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 306/306 places, 1631/1631 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 278 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
[2023-03-17 16:10:37] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-17 16:10:37] [INFO ] Computed 45 place invariants in 56 ms
[2023-03-17 16:10:38] [INFO ] Implicit Places using invariants in 1200 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1254 ms to find 10 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 296/306 places, 1631/1631 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1621
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1621
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 20 rules in 255 ms. Remains 286 /296 variables (removed 10) and now considering 1621/1631 (removed 10) transitions.
[2023-03-17 16:10:38] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-17 16:10:38] [INFO ] Computed 35 place invariants in 17 ms
[2023-03-17 16:10:39] [INFO ] Implicit Places using invariants in 712 ms returned []
[2023-03-17 16:10:39] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 16:10:39] [INFO ] Invariant cache hit.
[2023-03-17 16:10:39] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 16:10:41] [INFO ] Implicit Places using invariants and state equation in 2674 ms returned []
Implicit Place search using SMT with State Equation took 3390 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 286/306 places, 1621/1631 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 5177 ms. Remains : 286/306 places, 1621/1631 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8976 ms (no deadlock found). (steps per millisecond=139 )
Random directed walk for 1250009 steps, including 0 resets, run took 6899 ms (no deadlock found). (steps per millisecond=181 )
[2023-03-17 16:10:57] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 16:10:57] [INFO ] Invariant cache hit.
[2023-03-17 16:10:58] [INFO ] [Real]Absence check using 14 positive place invariants in 18 ms returned sat
[2023-03-17 16:10:58] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 370 ms returned sat
[2023-03-17 16:10:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 16:10:58] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2023-03-17 16:10:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 16:10:59] [INFO ] [Nat]Absence check using 14 positive place invariants in 13 ms returned sat
[2023-03-17 16:10:59] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 100 ms returned sat
[2023-03-17 16:10:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 16:10:59] [INFO ] [Nat]Absence check using state equation in 369 ms returned sat
[2023-03-17 16:10:59] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 16:11:00] [INFO ] [Nat]Added 111 Read/Feed constraints in 410 ms returned sat
[2023-03-17 16:11:00] [INFO ] Deduced a trap composed of 49 places in 171 ms of which 16 ms to minimize.
[2023-03-17 16:11:00] [INFO ] Deduced a trap composed of 41 places in 159 ms of which 1 ms to minimize.
[2023-03-17 16:11:01] [INFO ] Deduced a trap composed of 41 places in 123 ms of which 1 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 49 places in 138 ms of which 1 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 49 places in 143 ms of which 2 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 41 places in 113 ms of which 0 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 41 places in 109 ms of which 1 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 41 places in 116 ms of which 2 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 41 places in 110 ms of which 1 ms to minimize.
[2023-03-17 16:11:02] [INFO ] Deduced a trap composed of 41 places in 113 ms of which 0 ms to minimize.
[2023-03-17 16:11:03] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2637 ms
[2023-03-17 16:11:03] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 158 ms.
[2023-03-17 16:11:03] [INFO ] Added : 2 causal constraints over 2 iterations in 339 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Parikh directed walk for 30600 steps, including 1000 resets, run took 310 ms. (steps per millisecond=98 )
Random directed walk for 500000 steps, including 0 resets, run took 2699 ms (no deadlock found). (steps per millisecond=185 )
Random walk for 500000 steps, including 0 resets, run took 3490 ms (no deadlock found). (steps per millisecond=143 )
Random directed walk for 500000 steps, including 0 resets, run took 2656 ms (no deadlock found). (steps per millisecond=188 )
Random walk for 500000 steps, including 0 resets, run took 3442 ms (no deadlock found). (steps per millisecond=145 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 286/286 places, 1621/1621 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 217 ms. Remains 286 /286 variables (removed 0) and now considering 1621/1621 (removed 0) transitions.
[2023-03-17 16:11:16] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 16:11:16] [INFO ] Invariant cache hit.
[2023-03-17 16:11:16] [INFO ] Implicit Places using invariants in 597 ms returned []
[2023-03-17 16:11:16] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 16:11:16] [INFO ] Invariant cache hit.
[2023-03-17 16:11:17] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 16:11:19] [INFO ] Implicit Places using invariants and state equation in 2437 ms returned []
Implicit Place search using SMT with State Equation took 3048 ms to find 0 implicit places.
[2023-03-17 16:11:19] [INFO ] Redundant transitions in 155 ms returned []
[2023-03-17 16:11:19] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 16:11:19] [INFO ] Invariant cache hit.
[2023-03-17 16:11:20] [INFO ] Dead Transitions using invariants and state equation in 1382 ms found 100 transitions.
Found 100 dead transitions using SMT.
Drop transitions removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 286/286 places, 1521/1621 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 122 ms. Remains 286 /286 variables (removed 0) and now considering 1521/1521 (removed 0) transitions.
[2023-03-17 16:11:20] [INFO ] Redundant transitions in 43 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 4984 ms. Remains : 286/286 places, 1521/1621 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8159 ms (no deadlock found). (steps per millisecond=153 )
Random directed walk for 1250001 steps, including 0 resets, run took 6184 ms (no deadlock found). (steps per millisecond=202 )
[2023-03-17 16:11:35] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
[2023-03-17 16:11:35] [INFO ] Invariant cache hit.
[2023-03-17 16:11:35] [INFO ] [Real]Absence check using 14 positive place invariants in 17 ms returned sat
[2023-03-17 16:11:36] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 419 ms returned sat
[2023-03-17 16:11:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 16:11:36] [INFO ] [Real]Absence check using state equation in 545 ms returned sat
[2023-03-17 16:11:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 16:11:36] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2023-03-17 16:11:37] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 32 ms returned sat
[2023-03-17 16:11:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 16:11:37] [INFO ] [Nat]Absence check using state equation in 512 ms returned sat
[2023-03-17 16:11:37] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 16:11:37] [INFO ] [Nat]Added 111 Read/Feed constraints in 305 ms returned sat
[2023-03-17 16:11:37] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 1 ms to minimize.
[2023-03-17 16:11:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 332 ms
[2023-03-17 16:11:38] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 81 ms.
[2023-03-17 16:11:38] [INFO ] Added : 1 causal constraints over 1 iterations in 188 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Parikh directed walk for 28000 steps, including 1000 resets, run took 249 ms. (steps per millisecond=112 )
Random directed walk for 500006 steps, including 0 resets, run took 2714 ms (no deadlock found). (steps per millisecond=184 )
Random walk for 500000 steps, including 0 resets, run took 3331 ms (no deadlock found). (steps per millisecond=150 )
Random directed walk for 500000 steps, including 0 resets, run took 2523 ms (no deadlock found). (steps per millisecond=198 )
Random walk for 500000 steps, including 0 resets, run took 3287 ms (no deadlock found). (steps per millisecond=152 )
[2023-03-17 16:11:50] [INFO ] Flatten gal took : 332 ms
[2023-03-17 16:11:50] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-17 16:11:51] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 1631 transitions and 11204 arcs took 17 ms.
Total runtime 75980 ms.
There are residual formulas that ITS could not solve within timeout
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 15721900 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16113148 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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
mcc2023

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="SafeBus-COL-10"
export BK_EXAMINATION="ReachabilityDeadlock"
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 SafeBus-COL-10, 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 r375-smll-167891826300136"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-10.tgz
mv SafeBus-COL-10 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 ;