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.r064-smll-177946904400291.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 gold2025
Input is CloudDeployment-PT-4a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904400291
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 11:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 11:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 11:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 11:02 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 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 11:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 11:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 11:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 11:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 156K 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 1779485136076

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-4a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-22 21:25:38] [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]
[2026-05-22 21:25:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:25:39] [INFO ] Load time of PNML (sax parser for PT used): 222 ms
[2026-05-22 21:25:39] [INFO ] Transformed 141 places.
[2026-05-22 21:25:39] [INFO ] Transformed 475 transitions.
[2026-05-22 21:25:39] [INFO ] Found NUPN structural information;
[2026-05-22 21:25:39] [INFO ] Parsed PT model containing 141 places and 475 transitions and 2657 arcs in 455 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 8 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 52 transitions
Reduce redundant transitions removed 52 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.16068KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 141/141 places, 423/423 transitions.
Graph (trivial) has 161 edges and 141 vertex of which 40 / 141 are part of one of the 12 SCC in 5 ms
Free SCC test removed 28 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Computed a total of 77 stabilizing places and 233 stable transitions
Graph (complete) has 1107 edges and 113 vertex of which 104 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.13 ms
Discarding 9 places :
Also discarding 0 output transitions
Computed a total of 68 stabilizing places and 232 stable transitions
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 8 place count 98 transition count 321
Iterating global reduction 0 with 6 rules applied. Total rules applied 14 place count 98 transition count 321
Computed a total of 62 stabilizing places and 210 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 97 transition count 320
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 97 transition count 320
Computed a total of 61 stabilizing places and 209 stable transitions
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: -28
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 40 place count 85 transition count 348
Computed a total of 49 stabilizing places and 237 stable transitions
Computed a total of 49 stabilizing places and 237 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 90 transitions
Redundant transition composition rules discarded 90 transitions
Iterating global reduction 0 with 90 rules applied. Total rules applied 130 place count 85 transition count 258
Computed a total of 49 stabilizing places and 185 stable transitions
Computed a total of 49 stabilizing places and 185 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 131 place count 84 transition count 257
Computed a total of 48 stabilizing places and 185 stable transitions
Computed a total of 48 stabilizing places and 185 stable transitions
Applied a total of 131 rules in 306 ms. Remains 84 /141 variables (removed 57) and now considering 257/423 (removed 166) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 331 ms. Remains : 84/141 places, 257/423 transitions.
Random walk for 1250000 steps, including 29979 resets, run took 3549 ms (no deadlock found). (steps per millisecond=352 )
Random directed walk for 1250009 steps, including 11011 resets, run took 2997 ms (no deadlock found). (steps per millisecond=417 )
[2026-05-22 21:25:46] [INFO ] Flow matrix only has 114 transitions (discarded 143 similar events)
// Phase 1: matrix 114 rows 84 cols
[2026-05-22 21:25:46] [INFO ] Computed 15 invariants in 9 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 21:25:46] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 19 ms returned sat
[2026-05-22 21:25:46] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-22 21:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 21:25:46] [INFO ] [Nat]Absence check using 0 positive and 15 generalized place invariants in 11 ms returned sat
[2026-05-22 21:25:47] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2026-05-22 21:25:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-22 21:25:47] [INFO ] [Nat]Added 5 Read/Feed constraints in 18 ms returned sat
[2026-05-22 21:25:47] [INFO ] Computed and/alt/rep : 90/191/90 causal constraints (skipped 6 transitions) in 35 ms.
[2026-05-22 21:25:47] [INFO ] Added : 58 causal constraints over 12 iterations in 469 ms. Result :sat
Parikh directed walk for 6200 steps, including 147 resets, run took 36 ms. (steps per millisecond=172 )
Random directed walk for 500001 steps, including 4397 resets, run took 1016 ms (no deadlock found). (steps per millisecond=492 )
Finished random walk after 388315 steps, including 9330 resets, run found a deadlock after 1017 ms. (steps per millisecond=381 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 10998 ms.

BK_STOP 1779485149714

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="CloudDeployment-PT-4a"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is CloudDeployment-PT-4a, 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 r064-smll-177946904400291"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-4a.tgz
mv CloudDeployment-PT-4a 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 ;