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-177946904200057.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-3a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-177946904200057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 5.1K Mar 6 10:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 6 10:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 10:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 19K Mar 15 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 11:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Mar 6 11:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 6 11:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 6 11:00 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 97K 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-3a-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-3a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779480216957

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-3a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 20:03:39] [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 20:03:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:03:39] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2026-05-22 20:03:39] [INFO ] Transformed 104 places.
[2026-05-22 20:03:39] [INFO ] Transformed 308 transitions.
[2026-05-22 20:03:39] [INFO ] Found NUPN structural information;
[2026-05-22 20:03:39] [INFO ] Parsed PT model containing 104 places and 308 transitions and 1611 arcs in 292 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Ensure Unique test removed 30 transitions
Reduce redundant transitions removed 30 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 20:03:39] [INFO ] Flow matrix only has 159 transitions (discarded 119 similar events)
// Phase 1: matrix 159 rows 104 cols
[2026-05-22 20:03:39] [INFO ] Computed 18 invariants in 20 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 (215 resets) in 66 ms. (149 steps per ms)
FORMULA CloudDeployment-PT-3a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (83 resets) in 30 ms. (645 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-22 20:03:39] [INFO ] Flow matrix only has 159 transitions (discarded 119 similar events)
[2026-05-22 20:03:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:03:40] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 16 ms returned sat
[2026-05-22 20:03:40] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2026-05-22 20:03:40] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-22 20:03:40] [INFO ] [Real]Added 56 Read/Feed constraints in 50 ms returned sat
[2026-05-22 20:03:40] [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 20:03:40] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 15 ms returned sat
[2026-05-22 20:03:40] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2026-05-22 20:03:40] [INFO ] [Nat]Added 56 Read/Feed constraints in 24 ms returned sat
[2026-05-22 20:03:40] [INFO ] Computed and/alt/rep : 131/361/131 causal constraints (skipped 27 transitions) in 47 ms.
[2026-05-22 20:03:41] [INFO ] Added : 83 causal constraints over 17 iterations in 597 ms. Result :sat
Minimization took 117 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:03:41] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 12 ms returned sat
[2026-05-22 20:03:41] [INFO ] [Real]Absence check using state equation in 113 ms returned sat
[2026-05-22 20:03:41] [INFO ] [Real]Added 56 Read/Feed constraints in 23 ms returned sat
[2026-05-22 20:03:41] [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 20:03:41] [INFO ] [Nat]Absence check using 0 positive and 18 generalized place invariants in 14 ms returned sat
[2026-05-22 20:03:41] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2026-05-22 20:03:42] [INFO ] [Nat]Added 56 Read/Feed constraints in 22 ms returned sat
[2026-05-22 20:03:42] [INFO ] Computed and/alt/rep : 131/361/131 causal constraints (skipped 27 transitions) in 20 ms.
[2026-05-22 20:03:42] [INFO ] Added : 90 causal constraints over 21 iterations in 523 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 278/278 transitions.
Graph (trivial) has 121 edges and 104 vertex of which 30 / 104 are part of one of the 9 SCC in 5 ms
Free SCC test removed 21 places
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 102 transitions.
Ensure Unique test removed 5 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 78 transition count 176
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 74 transition count 163
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 74 transition count 163
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 32 place count 65 transition count 178
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 1 with 36 rules applied. Total rules applied 68 place count 65 transition count 142
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 71 place count 65 transition count 146
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 74 place count 62 transition count 146
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 75 place count 62 transition count 146
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 76 place count 61 transition count 145
Applied a total of 76 rules in 170 ms. Remains 61 /104 variables (removed 43) and now considering 145/278 (removed 133) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 61/104 places, 145/278 transitions.
[2026-05-22 20:03:43] [INFO ] Flow matrix only has 82 transitions (discarded 63 similar events)
// Phase 1: matrix 82 rows 61 cols
[2026-05-22 20:03:43] [INFO ] Computed 13 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (26462 resets) in 1866 ms. (535 steps per ms)
FORMULA CloudDeployment-PT-3a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (6041 resets) in 514 ms. (1941 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 20:03:45] [INFO ] Flatten gal took : 70 ms
[2026-05-22 20:03:45] [INFO ] Flatten gal took : 23 ms
[2026-05-22 20:03:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5414352527785573334.gal : 23 ms
[2026-05-22 20:03:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17353550560805204654.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/ReachabilityCardinality5414352527785573334.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17353550560805204654.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 6523 ms.

BK_STOP 1779480225932

--------------------
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-3a"
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-3a, 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-177946904200057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-3a.tgz
mv CloudDeployment-PT-3a 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 ;