Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698800511.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DNAwalker-PT-12ringLLLarge, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800511
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 8.2K Mar 6 15:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 6 15:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 09:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 6 15:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 6 15:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 14 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 135K Mar 3 18:30 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 1779610371086

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-12ringLLLarge
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-24 08:12:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 08:12:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:12:52] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2026-05-24 08:12:52] [INFO ] Transformed 33 places.
[2026-05-24 08:12:52] [INFO ] Transformed 312 transitions.
[2026-05-24 08:12:52] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 167 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.15111KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 27 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
Running 282 sub problems to find dead transitions.
[2026-05-24 08:12:52] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2582074643483812802.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9567393738614167740.kers'
[2026-05-24 08:12:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2582074643483812802.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9567393738614167740.kers]
Normalized transition count is 310 out of 311 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 310 rows 33 cols 614 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-24 08:12:52] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9567393738614167740.kers
Total runtime 2 ms.
[2026-05-24 08:12:52] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 4 (OVERLAPS) 12/343 variables, 6/103 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 282 unsolved
SMT process timed out in 20299ms, After SMT, problems are : Problem set: 0 solved, 282 unsolved
Search for dead transitions found 0 dead transitions in 20317ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 20406 ms. Remains : 33/33 places, 312/312 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 9 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2026-05-24 08:13:12] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:12] [INFO ] Invariant cache hit.
[2026-05-24 08:13:12] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-24 08:13:12] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:12] [INFO ] Invariant cache hit.
[2026-05-24 08:13:12] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:13:13] [INFO ] Implicit Places using invariants and state equation in 544 ms returned []
Implicit Place search using SMT with State Equation took 600 ms to find 0 implicit places.
[2026-05-24 08:13:13] [INFO ] Redundant transitions in 17 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 635 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96818 resets, run took 5540 ms (no deadlock found). (steps per millisecond=225 )
Random directed walk for 1250030 steps, including 21898 resets, run took 4111 ms (no deadlock found). (steps per millisecond=304 )
[2026-05-24 08:13:23] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:23] [INFO ] Invariant cache hit.
[2026-05-24 08:13:23] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-24 08:13:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:13:29] [INFO ] [Nat]Absence check using state equation in 5744 ms returned sat
[2026-05-24 08:13:29] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:13:29] [INFO ] [Nat]Added 71 Read/Feed constraints in 269 ms returned sat
[2026-05-24 08:13:29] [INFO ] Computed and/alt/rep : 72/608/72 causal constraints (skipped 209 transitions) in 23 ms.
[2026-05-24 08:13:30] [INFO ] Added : 1 causal constraints over 1 iterations in 976 ms. Result :sat
Parikh directed walk for 1500 steps, including 137 resets, run took 8 ms. (steps per millisecond=187 )
Random directed walk for 500028 steps, including 8756 resets, run took 1654 ms (no deadlock found). (steps per millisecond=302 )
Random walk for 500000 steps, including 38714 resets, run took 2204 ms (no deadlock found). (steps per millisecond=226 )
Random directed walk for 500000 steps, including 8750 resets, run took 1681 ms (no deadlock found). (steps per millisecond=297 )
Random walk for 500000 steps, including 38709 resets, run took 2156 ms (no deadlock found). (steps per millisecond=231 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 9 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2026-05-24 08:13:38] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:38] [INFO ] Invariant cache hit.
[2026-05-24 08:13:38] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-24 08:13:38] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:38] [INFO ] Invariant cache hit.
[2026-05-24 08:13:38] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:13:38] [INFO ] Implicit Places using invariants and state equation in 610 ms returned []
Implicit Place search using SMT with State Equation took 670 ms to find 0 implicit places.
[2026-05-24 08:13:38] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 692 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96784 resets, run took 5485 ms (no deadlock found). (steps per millisecond=227 )
Random directed walk for 1250001 steps, including 21835 resets, run took 4142 ms (no deadlock found). (steps per millisecond=301 )
[2026-05-24 08:13:48] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:13:48] [INFO ] Invariant cache hit.
[2026-05-24 08:13:48] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2026-05-24 08:13:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:13:54] [INFO ] [Nat]Absence check using state equation in 5747 ms returned sat
[2026-05-24 08:13:54] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:13:54] [INFO ] [Nat]Added 71 Read/Feed constraints in 270 ms returned sat
[2026-05-24 08:13:54] [INFO ] Computed and/alt/rep : 72/608/72 causal constraints (skipped 209 transitions) in 20 ms.
[2026-05-24 08:13:55] [INFO ] Added : 1 causal constraints over 1 iterations in 960 ms. Result :sat
Parikh directed walk for 1500 steps, including 137 resets, run took 8 ms. (steps per millisecond=187 )
Random directed walk for 500024 steps, including 8730 resets, run took 1684 ms (no deadlock found). (steps per millisecond=296 )
Random walk for 500000 steps, including 38778 resets, run took 2167 ms (no deadlock found). (steps per millisecond=230 )
Random directed walk for 500022 steps, including 8736 resets, run took 1655 ms (no deadlock found). (steps per millisecond=302 )
Random walk for 500000 steps, including 38722 resets, run took 2195 ms (no deadlock found). (steps per millisecond=227 )
[2026-05-24 08:14:03] [INFO ] Flatten gal took : 90 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin3282391044217140072
[2026-05-24 08:14:03] [INFO ] Applying decomposition
[2026-05-24 08:14:03] [INFO ] Computing symmetric may disable matrix : 312 transitions.
[2026-05-24 08:14:03] [INFO ] Flatten gal took : 15 ms
[2026-05-24 08:14:03] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 08:14:03] [INFO ] Computing symmetric may enable matrix : 312 transitions.
[2026-05-24 08:14:03] [INFO ] Computation of Complete enable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7470326293822375597.txt' '-o' '/tmp/graph7470326293822375597.bin' '-w' '/tmp/graph7470326293822375597.weights'
[2026-05-24 08:14:03] [INFO ] Computing Do-Not-Accords matrix : 312 transitions.
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7470326293822375597.bin' '-l' '-1' '-v' '-w' '/tmp/graph7470326293822375597.weights' '-q' '0' '-e' '0.001'
[2026-05-24 08:14:03] [INFO ] Computation of Completed DNA matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 08:14:03] [INFO ] Decomposing Gal with order
[2026-05-24 08:14:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 08:14:03] [INFO ] Built C files in 142ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3282391044217140072
Running compilation step : cd /tmp/ltsmin3282391044217140072;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-24 08:14:03] [INFO ] Removed a total of 544 redundant transitions.
[2026-05-24 08:14:03] [INFO ] Flatten gal took : 97 ms
[2026-05-24 08:14:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 7 ms.
[2026-05-24 08:14:03] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock17741436115552745226.gal : 9 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityDeadlock17741436115552745226.gal' '-t' 'CGAL' '-ctl' 'DEADLOCK'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...235
No direction supplied, using forward translation only.
Compilation finished in 831 ms.
Running link step : cd /tmp/ltsmin3282391044217140072;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin3282391044217140072;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-d'
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.88537e+09,5.04725,177300,8853,9,328477,203,379,608904,14,193,0


Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
dead,0,6.0516,177324,1,0,328477,203,1378,608904,51,199,281286

System contains 0 deadlocks (shown below if less than --print-limit option) !
FORMULA ReachabilityDeadlock FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
[ 0 ]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 77929 ms.

BK_STOP 1779610450176

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DNAwalker-PT-12ringLLLarge"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-12ringLLLarge, 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 r104-tall-177955698800511"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-12ringLLLarge.tgz
mv DNAwalker-PT-12ringLLLarge 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.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 ;