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.r223-smll-177969946300017.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 Philosophers-PT-000050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946300017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 72K Mar 5 12:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 466K Mar 5 12:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 34K Mar 5 12:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 239K Mar 5 12:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 36K Mar 16 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 16 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 17K Mar 16 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 16 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 42K Mar 5 12:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 273K Mar 5 12:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 67K Mar 5 12:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 458K Mar 5 12:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 16 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 16K Mar 16 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 109K 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 Philosophers-PT-000050-UpperBounds-00
FORMULA_NAME Philosophers-PT-000050-UpperBounds-01
FORMULA_NAME Philosophers-PT-000050-UpperBounds-02
FORMULA_NAME Philosophers-PT-000050-UpperBounds-03
FORMULA_NAME Philosophers-PT-000050-UpperBounds-04
FORMULA_NAME Philosophers-PT-000050-UpperBounds-05
FORMULA_NAME Philosophers-PT-000050-UpperBounds-06
FORMULA_NAME Philosophers-PT-000050-UpperBounds-07
FORMULA_NAME Philosophers-PT-000050-UpperBounds-08
FORMULA_NAME Philosophers-PT-000050-UpperBounds-09
FORMULA_NAME Philosophers-PT-000050-UpperBounds-10
FORMULA_NAME Philosophers-PT-000050-UpperBounds-11
FORMULA_NAME Philosophers-PT-000050-UpperBounds-12
FORMULA_NAME Philosophers-PT-000050-UpperBounds-13
FORMULA_NAME Philosophers-PT-000050-UpperBounds-14
FORMULA_NAME Philosophers-PT-000050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779794730754

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-26 11:25:33] [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]
[2026-05-26 11:25:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 11:25:33] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2026-05-26 11:25:33] [INFO ] Transformed 250 places.
[2026-05-26 11:25:33] [INFO ] Transformed 250 transitions.
[2026-05-26 11:25:33] [INFO ] Found NUPN structural information;
[2026-05-26 11:25:33] [INFO ] Parsed PT model containing 250 places and 250 transitions and 800 arcs in 314 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[50, 50, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0] Max Struct:[50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Philosophers-PT-000050-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 50, 1, 1, 1, 1]
// Phase 1: matrix 250 rows 250 cols
[2026-05-26 11:25:33] [INFO ] Computed 100 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 50, 1, 1, 1, 1]
RANDOM walk for 10000 steps (3 resets) in 208 ms. (47 steps per ms)
FORMULA Philosophers-PT-000050-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000050-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000050-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000050-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000050-UpperBounds-02 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (5 resets) in 136 ms. (146 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[43, 20] Max Struct:[50, 50]
[2026-05-26 11:25:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 11:25:34] [INFO ] [Real]Absence check using 100 positive place invariants in 82 ms returned sat
[2026-05-26 11:25:35] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2026-05-26 11:25:35] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 61 ms.
[2026-05-26 11:25:35] [INFO ] Added : 0 causal constraints over 0 iterations in 155 ms. Result :sat
Minimization took 108 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 11:25:35] [INFO ] [Real]Absence check using 100 positive place invariants in 85 ms returned sat
[2026-05-26 11:25:36] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2026-05-26 11:25:36] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 46 ms.
[2026-05-26 11:25:36] [INFO ] Added : 21 causal constraints over 5 iterations in 285 ms. Result :sat
Minimization took 130 ms.
[2026-05-26 11:25:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 11:25:37] [INFO ] [Nat]Absence check using 100 positive place invariants in 76 ms returned sat
[2026-05-26 11:25:37] [INFO ] [Nat]Absence check using state equation in 398 ms returned sat
[2026-05-26 11:25:37] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 51 ms.
[2026-05-26 11:25:37] [INFO ] Added : 21 causal constraints over 5 iterations in 283 ms. Result :sat
Minimization took 117 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[43, 20] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[50, 22] Max Struct:[50, 50]
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 250/250 transitions.
Free-agglomeration rule (complex) applied 50 times.
Iterating global reduction 0 with 50 rules applied. Total rules applied 50 place count 250 transition count 200
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 100 place count 200 transition count 200
Applied a total of 100 rules in 97 ms. Remains 200 /250 variables (removed 50) and now considering 200/250 (removed 50) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 200/250 places, 200/250 transitions.
// Phase 1: matrix 200 rows 200 cols
[2026-05-26 11:25:38] [INFO ] Computed 100 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[50, 22] Max Struct:[50, 50]
FORMULA Philosophers-PT-000050-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000050-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (4522 resets) in 6303 ms. (158 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2967 ms. (336 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[50]
[2026-05-26 11:25:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 11:25:48] [INFO ] [Real]Absence check using 100 positive place invariants in 64 ms returned sat
[2026-05-26 11:25:48] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2026-05-26 11:25:48] [INFO ] Computed and/alt/rep : 100/150/100 causal constraints (skipped 0 transitions) in 30 ms.
[2026-05-26 11:25:48] [INFO ] Added : 12 causal constraints over 3 iterations in 151 ms. Result :sat
Minimization took 86 ms.
[2026-05-26 11:25:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 11:25:48] [INFO ] [Nat]Absence check using 100 positive place invariants in 73 ms returned sat
[2026-05-26 11:25:48] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2026-05-26 11:25:48] [INFO ] Computed and/alt/rep : 100/150/100 causal constraints (skipped 0 transitions) in 24 ms.
[2026-05-26 11:25:49] [INFO ] Added : 10 causal constraints over 2 iterations in 105 ms. Result :sat
Minimization took 84 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25] Max Struct:[50]
Support contains 50 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 200/200 transitions.
Free-agglomeration rule (complex) applied 50 times.
Iterating global reduction 0 with 50 rules applied. Total rules applied 50 place count 200 transition count 150
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 0 with 100 rules applied. Total rules applied 150 place count 150 transition count 100
Applied a total of 150 rules in 50 ms. Remains 150 /200 variables (removed 50) and now considering 100/200 (removed 100) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 150/200 places, 100/200 transitions.
// Phase 1: matrix 100 rows 150 cols
[2026-05-26 11:25:49] [INFO ] Computed 100 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[50]
RANDOM walk for 1000000 steps (2 resets) in 7509 ms. (133 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 3695 ms. (270 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25] Max Struct:[50]
[2026-05-26 11:26:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 11:26:00] [INFO ] [Real]Absence check using 100 positive place invariants in 52 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[25] Max Struct:[25]
FORMULA Philosophers-PT-000050-UpperBounds-07 25 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Philosophers-PT-000050-UpperBounds-06 25 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 )
[2026-05-26 11:26:00] [INFO ] Flatten gal took : 87 ms
[2026-05-26 11:26:01] [INFO ] Flatten gal took : 33 ms
[2026-05-26 11:26:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17079987215148090662.gal : 22 ms
[2026-05-26 11:26:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15834751158730696927.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/ReachabilityCardinality17079987215148090662.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15834751158730696927.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 27946 ms.

BK_STOP 1779794761213

--------------------
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="Philosophers-PT-000050"
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 Philosophers-PT-000050, 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 r223-smll-177969946300017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000050.tgz
mv Philosophers-PT-000050 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 ;