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.r063-smll-177946904300065.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-7a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-177946904300065
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 8.6K Mar 6 11:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 11:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 11:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 11:19 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 08:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 11:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 6 11:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:16 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 420K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-7a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779480499010

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-7a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 20:08:21] [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]
[2026-05-22 20:08:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:08:22] [INFO ] Load time of PNML (sax parser for PT used): 324 ms
[2026-05-22 20:08:22] [INFO ] Transformed 264 places.
[2026-05-22 20:08:22] [INFO ] Transformed 1174 transitions.
[2026-05-22 20:08:22] [INFO ] Found NUPN structural information;
[2026-05-22 20:08:22] [INFO ] Parsed PT model containing 264 places and 1174 transitions and 7331 arcs in 569 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Ensure Unique test removed 154 transitions
Reduce redundant transitions removed 154 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-22 20:08:22] [INFO ] Flow matrix only has 475 transitions (discarded 545 similar events)
// Phase 1: matrix 475 rows 264 cols
[2026-05-22 20:08:22] [INFO ] Computed 42 invariants in 34 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (96 resets) in 166 ms. (59 steps per ms)
FORMULA CloudDeployment-PT-7a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-7a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (10 resets) in 25 ms. (384 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-22 20:08:22] [INFO ] Flow matrix only has 475 transitions (discarded 545 similar events)
[2026-05-22 20:08:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:08:23] [INFO ] [Real]Absence check using 0 positive and 42 generalized place invariants in 41 ms returned sat
[2026-05-22 20:08:23] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2026-05-22 20:08:23] [INFO ] State equation strengthened by 240 read => feed constraints.
[2026-05-22 20:08:23] [INFO ] [Real]Added 240 Read/Feed constraints in 149 ms returned sat
[2026-05-22 20:08:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:08:24] [INFO ] [Nat]Absence check using 0 positive and 42 generalized place invariants in 47 ms returned sat
[2026-05-22 20:08:24] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2026-05-22 20:08:24] [INFO ] [Nat]Added 240 Read/Feed constraints in 239 ms returned sat
[2026-05-22 20:08:24] [INFO ] Computed and/alt/rep : 337/960/337 causal constraints (skipped 137 transitions) in 92 ms.
[2026-05-22 20:08:28] [INFO ] Added : 175 causal constraints over 35 iterations in 3343 ms. Result :sat
Minimization took 590 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 264 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p214) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 264/264 places, 1019/1019 transitions.
Graph (trivial) has 281 edges and 264 vertex of which 70 / 264 are part of one of the 21 SCC in 7 ms
Free SCC test removed 49 places
Drop transitions (Empty/Sink Transition effects.) removed 253 transitions
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 309 transitions.
Graph (complete) has 1706 edges and 215 vertex of which 199 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.9 ms
Discarding 16 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 198 transition count 708
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5 place count 197 transition count 707
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 16 place count 186 transition count 647
Iterating global reduction 2 with 11 rules applied. Total rules applied 27 place count 186 transition count 647
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 30 place count 183 transition count 644
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 183 transition count 644
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 36 place count 180 transition count 641
Iterating global reduction 2 with 3 rules applied. Total rules applied 39 place count 180 transition count 641
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 41 place count 178 transition count 639
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 178 transition count 639
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 177 transition count 638
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 177 transition count 638
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 59 place count 170 transition count 631
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 101 place count 149 transition count 722
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 2 with 140 rules applied. Total rules applied 241 place count 149 transition count 582
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 242 place count 148 transition count 581
Applied a total of 242 rules in 410 ms. Remains 148 /264 variables (removed 116) and now considering 581/1019 (removed 438) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 426 ms. Remains : 148/264 places, 581/1019 transitions.
[2026-05-22 20:08:29] [INFO ] Flow matrix only has 238 transitions (discarded 343 similar events)
// Phase 1: matrix 238 rows 148 cols
[2026-05-22 20:08:29] [INFO ] Computed 27 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (13404 resets) in 3494 ms. (286 steps per ms)
FORMULA CloudDeployment-PT-7a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (1506 resets) in 776 ms. (1287 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 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 )
[2026-05-22 20:08:34] [INFO ] Flatten gal took : 215 ms
[2026-05-22 20:08:34] [INFO ] Flatten gal took : 122 ms
[2026-05-22 20:08:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6908081641804983161.gal : 72 ms
[2026-05-22 20:08:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6801471883982131293.prop : 1 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/ReachabilityCardinality6908081641804983161.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6801471883982131293.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

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 12943 ms.

BK_STOP 1779480514614

--------------------
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="CloudDeployment-PT-7a"
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 CloudDeployment-PT-7a, 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 r063-smll-177946904300065"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-7a.tgz
mv CloudDeployment-PT-7a 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 ;