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.r367-tall-178024404700010.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 gold2025
Input is LastZero-COL-N26, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r367-tall-178024404700010
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 5.5K May 27 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 27 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 27 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 27 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 27 10:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K May 27 10:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 27 10:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_pt
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 5 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 46K Jun 10 17:28 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME LastZero-COL-N26-UpperBounds-00
FORMULA_NAME LastZero-COL-N26-UpperBounds-01
FORMULA_NAME LastZero-COL-N26-UpperBounds-02
FORMULA_NAME LastZero-COL-N26-UpperBounds-03
FORMULA_NAME LastZero-COL-N26-UpperBounds-04
FORMULA_NAME LastZero-COL-N26-UpperBounds-05
FORMULA_NAME LastZero-COL-N26-UpperBounds-06
FORMULA_NAME LastZero-COL-N26-UpperBounds-07
FORMULA_NAME LastZero-COL-N26-UpperBounds-08
FORMULA_NAME LastZero-COL-N26-UpperBounds-09
FORMULA_NAME LastZero-COL-N26-UpperBounds-10
FORMULA_NAME LastZero-COL-N26-UpperBounds-11
FORMULA_NAME LastZero-COL-N26-UpperBounds-12
FORMULA_NAME LastZero-COL-N26-UpperBounds-13
FORMULA_NAME LastZero-COL-N26-UpperBounds-14
FORMULA_NAME LastZero-COL-N26-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1781118801161

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-COL-N26
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-06-10 19:13:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-10 19:13:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:13:22] [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.
[2026-06-10 19:13:22] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:13:23] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 527 ms
[2026-06-10 19:13:23] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 1512 PT places and 21141.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 4
[2026-06-10 19:13:23] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 5 ms.
[2026-06-10 19:13:23] [INFO ] Skeletonized 4 HLPN properties in 0 ms.
Reduce places removed 2 places and 0 transitions.
// Phase 1: matrix 3 rows 2 cols
[2026-06-10 19:13:23] [INFO ] Computed 0 invariants in 8 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 27, 26, 1] Max Struct:[+inf, 27, +inf, 1]
FORMULA LastZero-COL-N26-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-03 27 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-05 27 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-07 27 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-09 27 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-02 27 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-06-10 19:13:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-10 19:13:23] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-06-10 19:13:23] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 2 ms.
[2026-06-10 19:13:23] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-10 19:13:23] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 26] Max Struct:[+inf, 26]
FORMULA LastZero-COL-N26-UpperBounds-10 26 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-11 26 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-13 26 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-14 26 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA LastZero-COL-N26-UpperBounds-04 26 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Domain [ID(27), ID(27)] of place array breaks symmetries in sort ID
[2026-06-10 19:13:23] [INFO ] Unfolded HLPN to a Petri net with 1512 places and 21035 transitions 64457 arcs in 179 ms.
[2026-06-10 19:13:23] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Deduced a syphon composed of 730 places in 100 ms
Reduce places removed 730 places and 13781 transitions.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-06-10 19:13:23] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
// Phase 1: matrix 6929 rows 781 cols
[2026-06-10 19:13:23] [INFO ] Computed 27 invariants in 67 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (126 resets) in 144 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 75 ms. (131 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26] Max Struct:[+inf]
[2026-06-10 19:13:24] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
[2026-06-10 19:13:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-10 19:13:24] [INFO ] [Real]Absence check using 27 positive place invariants in 12 ms returned sat
[2026-06-10 19:13:25] [INFO ] [Real]Absence check using state equation in 1613 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[26] Max Struct:[26]
FORMULA LastZero-COL-N26-UpperBounds-01 26 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LastZero-COL-N26-UpperBounds-08 26 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LastZero-COL-N26-UpperBounds-12 26 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LastZero-COL-N26-UpperBounds-15 26 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LastZero-COL-N26-UpperBounds-00 26 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-06-10 19:13:26] [INFO ] Flatten gal took : 422 ms
[2026-06-10 19:13:26] [INFO ] Flatten gal took : 202 ms
[2026-06-10 19:13:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4035589128318006426.gal : 87 ms
[2026-06-10 19:13:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8540648167863700370.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4035589128318006426.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8540648167863700370.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 4457 ms.

BK_STOP 1781118806934

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="LastZero-COL-N26"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 LastZero-COL-N26, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r367-tall-178024404700010"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N26.tgz
mv LastZero-COL-N26 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;