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.r168-smll-177961110000011.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is HypercubeGrid-PT-C5K3P3B15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110000011
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 8.4K Mar 7 15:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 7 15:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 10:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 15:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 15:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 15:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 7 15:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 14M 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 1779698866165

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HypercubeGrid-PT-C5K3P3B15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-25 08:47:48] [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]
[2026-05-25 08:47:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 08:47:50] [INFO ] Load time of PNML (sax parser for PT used): 1367 ms
[2026-05-25 08:47:50] [INFO ] Transformed 9153 places.
[2026-05-25 08:47:50] [INFO ] Transformed 25110 transitions.
[2026-05-25 08:47:50] [INFO ] Parsed PT model containing 9153 places and 25110 transitions and 100440 arcs in 1803 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 5 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 91 ms.62178KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 9153/9153 places, 25110/25110 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 2941 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2978 ms. Remains : 9153/9153 places, 25110/25110 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 9153/9153 places, 25110/25110 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 2946 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15838482615099747417.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8205112148962521652.kers'
[2026-05-25 08:47:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15838482615099747417.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8205112148962521652.kers]
Culling duplicate invariants (modulo rational): removing 3240 columns.
Culled 3240 columns in 23 ms.
// Phase 1: matrix 25110 rows 5913 cols 74520 entries
Finished phase 1 with 5669 SingleSign rule and 0 generalized
[2026-05-25 08:47:57] [INFO ] Computed 3484 invariants in 592 ms
Computed 3484 P flows in 594 ms.
Exported basis to /tmp/petrispot-output-8205112148962521652.kers
Total runtime 617 ms.
[2026-05-25 08:48:20] [INFO ] Implicit Places using invariants in 23018 ms returned []
Implicit Place search using SMT only with invariants took 23133 ms to find 0 implicit places.
Running 22680 sub problems to find dead transitions.
[2026-05-25 08:48:20] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/4293 variables, 810/810 constraints. Problems are: Problem set: 0 solved, 22680 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4293/34263 variables, and 810 constraints, problems are : Problem set: 0 solved, 22680 unsolved in 30766 ms.
Refiners :[Positive P Invariants (semi-flows): 810/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 22680/22680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22680 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4293 variables, 810/810 constraints. Problems are: Problem set: 0 solved, 22680 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4293/34263 variables, and 810 constraints, problems are : Problem set: 0 solved, 22680 unsolved in 30430 ms.
Refiners :[Positive P Invariants (semi-flows): 810/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 0/22680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136974ms problems are : Problem set: 0 solved, 22680 unsolved
Search for dead transitions found 0 dead transitions in 137261ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 163584 ms. Remains : 9153/9153 places, 25110/25110 transitions.
Interrupted Random walk after 31959 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2026-05-25 08:51:07] [INFO ] Invariant cache hit.
[2026-05-25 08:53:14] [INFO ] [Real]Absence check using 3484 positive place invariants in 120263 ms returned sat
[2026-05-25 08:56:07] [INFO ] [Real]Absence check using state equation in 173200 ms returned unknown
Interrupted Random directed walk after 63303 steps, including 0 resets, run timeout after 30801 ms. (steps per millisecond=2 )
Interrupted Random walk after 33117 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 63360 steps, including 0 resets, run timeout after 30293 ms. (steps per millisecond=2 )
Interrupted Random walk after 32539 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 9153/9153 places, 25110/25110 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 2072 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
[2026-05-25 08:58:10] [INFO ] Invariant cache hit.
[2026-05-25 08:58:30] [INFO ] Implicit Places using invariants in 19499 ms returned []
Implicit Place search using SMT only with invariants took 19500 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 21581 ms. Remains : 9153/9153 places, 25110/25110 transitions.
Interrupted Random walk after 33364 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2026-05-25 08:59:00] [INFO ] Invariant cache hit.
[2026-05-25 09:00:56] [INFO ] [Real]Absence check using 3484 positive place invariants in 109754 ms returned sat
[2026-05-25 09:04:00] [INFO ] [Real]Absence check using state equation in 184163 ms returned unknown
Interrupted Random directed walk after 63297 steps, including 0 resets, run timeout after 31237 ms. (steps per millisecond=2 )
Interrupted Random walk after 32714 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 63297 steps, including 0 resets, run timeout after 30868 ms. (steps per millisecond=2 )
Interrupted Random walk after 33194 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2026-05-25 09:06:04] [INFO ] Flatten gal took : 1661 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12988175493153783574
[2026-05-25 09:06:05] [INFO ] Too many transitions (25110) to apply POR reductions. Disabling POR matrices.
[2026-05-25 09:06:06] [INFO ] Applying decomposition
[2026-05-25 09:06:06] [INFO ] Built C files in 533ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12988175493153783574
Running compilation step : cd /tmp/ltsmin12988175493153783574;'/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'
[2026-05-25 09:06:07] [INFO ] Flatten gal took : 1086 ms
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/graph9540345229596432945.txt' '-o' '/tmp/graph9540345229596432945.bin' '-w' '/tmp/graph9540345229596432945.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9540345229596432945.bin' '-l' '-1' '-v' '-w' '/tmp/graph9540345229596432945.weights' '-q' '0' '-e' '0.001'
[2026-05-25 09:06:09] [INFO ] Decomposing Gal with order
[2026-05-25 09:06:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 09:06:31] [INFO ] Removed a total of 38880 redundant transitions.
[2026-05-25 09:06:31] [INFO ] Flatten gal took : 2048 ms
[2026-05-25 09:06:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 155 ms.
[2026-05-25 09:06:32] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock16334290198030180376.gal : 353 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/ReachabilityDeadlock16334290198030180376.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.
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12988175493153783574;'/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' killed by timeout after 360 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin12988175493153783574;'/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' killed by timeout after 360 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)

BK_TIME_CONFINEMENT_REACHED

--------------------
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="HypercubeGrid-PT-C5K3P3B15"
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 HypercubeGrid-PT-C5K3P3B15, 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 r168-smll-177961110000011"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C5K3P3B15.tgz
mv HypercubeGrid-PT-C5K3P3B15 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 ;