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.r095-smll-177946996300007.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 DatabaseWithMutex-PT-04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 21K Mar 5 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 5 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 5 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 5 14:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 12K Mar 15 08:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 15 08:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 15 08:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 15 08:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 73K Mar 5 14:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 439K Mar 5 14:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 49K Mar 5 14:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 278K Mar 5 14:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 08:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.6K Mar 15 08:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 61K 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 DatabaseWithMutex-PT-04-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-PT-04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779521329844

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 07:28:52] [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]
[2026-05-23 07:28:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:28:52] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2026-05-23 07:28:52] [INFO ] Transformed 140 places.
[2026-05-23 07:28:52] [INFO ] Transformed 128 transitions.
[2026-05-23 07:28:52] [INFO ] Found NUPN structural information;
[2026-05-23 07:28:52] [INFO ] Parsed PT model containing 140 places and 128 transitions and 416 arcs in 294 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Reduction of identical properties reduced properties to check from 16 to 14
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 4, 0, 0, 0, 1, 0, 1, 0, 1] Max Struct:[16, 16, 16, 16, 16, 4, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DatabaseWithMutex-PT-04-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-04-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-04-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-04-UpperBounds-07 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[16, 16, 16, 16, 16, 1, 1, 1, 1, 1]
// Phase 1: matrix 128 rows 140 cols
[2026-05-23 07:28:52] [INFO ] Computed 28 invariants in 53 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[16, 16, 16, 16, 16, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 130 ms. (76 steps per ms)
FORMULA DatabaseWithMutex-PT-04-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50003 steps (10 resets) in 139 ms. (357 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 4, 4, 4, 11] Max Struct:[16, 16, 16, 16, 16]
[2026-05-23 07:28:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive place invariants in 15 ms returned sat
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive and 20 generalized place invariants in 23 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive place invariants in 12 ms returned sat
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive and 20 generalized place invariants in 14 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive and 20 generalized place invariants in 19 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using 8 positive and 20 generalized place invariants in 15 ms returned sat
[2026-05-23 07:28:53] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2026-05-23 07:28:54] [INFO ] Computed and/alt/rep : 112/192/112 causal constraints (skipped 0 transitions) in 28 ms.
[2026-05-23 07:28:54] [INFO ] Added : 8 causal constraints over 2 iterations in 149 ms. Result :sat
Minimization took 193 ms.
[2026-05-23 07:28:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:28:54] [INFO ] [Nat]Absence check using 8 positive place invariants in 11 ms returned sat
[2026-05-23 07:28:54] [INFO ] [Nat]Absence check using 8 positive and 20 generalized place invariants in 20 ms returned sat
[2026-05-23 07:28:54] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-23 07:28:54] [INFO ] Computed and/alt/rep : 112/192/112 causal constraints (skipped 0 transitions) in 24 ms.
[2026-05-23 07:28:54] [INFO ] Added : 8 causal constraints over 2 iterations in 88 ms. Result :sat
Minimization took 123 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 4, 4, 4, 11] Max Struct:[4, 4, 4, 4, 16]
FORMULA DatabaseWithMutex-PT-04-UpperBounds-04 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-05 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-02 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-01 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-03 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-04-UpperBounds-00 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12] Max Struct:[16]
Support contains 16 out of 140 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 140/140 places, 128/128 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 140 transition count 112
Reduce places removed 20 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 36 rules applied. Total rules applied 52 place count 120 transition count 96
Reduce places removed 16 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 2 with 32 rules applied. Total rules applied 84 place count 104 transition count 80
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 100 place count 88 transition count 80
Free-agglomeration rule applied 16 times.
Iterating global reduction 4 with 16 rules applied. Total rules applied 116 place count 88 transition count 64
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 4 with 16 rules applied. Total rules applied 132 place count 72 transition count 64
Free-agglomeration rule (complex) applied 16 times.
Iterating global reduction 5 with 16 rules applied. Total rules applied 148 place count 72 transition count 48
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 164 place count 56 transition count 48
Applied a total of 164 rules in 121 ms. Remains 56 /140 variables (removed 84) and now considering 48/128 (removed 80) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 138 ms. Remains : 56/140 places, 48/128 transitions.
// Phase 1: matrix 48 rows 56 cols
[2026-05-23 07:28:55] [INFO ] Computed 24 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12] Max Struct:[16]
RANDOM walk for 1000000 steps (2 resets) in 2222 ms. (449 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 1054 ms. (947 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12] Max Struct:[16]
[2026-05-23 07:28:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:28:58] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-23 07:28:58] [INFO ] [Real]Absence check using 3 positive and 21 generalized place invariants in 9 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[12]
FORMULA DatabaseWithMutex-PT-04-UpperBounds-06 12 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 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 )
[2026-05-23 07:28:58] [INFO ] Flatten gal took : 41 ms
[2026-05-23 07:28:58] [INFO ] Flatten gal took : 14 ms
[2026-05-23 07:28:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13691594568563625556.gal : 10 ms
[2026-05-23 07:28:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10251182098432404842.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/ReachabilityCardinality13691594568563625556.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10251182098432404842.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 6764 ms.

BK_STOP 1779521338987

--------------------
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="DatabaseWithMutex-PT-04"
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 DatabaseWithMutex-PT-04, 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 r095-smll-177946996300007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-04.tgz
mv DatabaseWithMutex-PT-04 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 ;