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.r128-smll-177955743900136.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 EGFr-PT-10420, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900136
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.3K Mar 7 04:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 51K Mar 7 04:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 21K Mar 7 04:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 7 04:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 09:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 15 09:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 15 09:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 04:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 7 04:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 27K Mar 7 04:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 7 04:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 681K 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 booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779571600101

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EGFr-PT-10420
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-23 21:26:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 21:26:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:26:42] [INFO ] Load time of PNML (sax parser for PT used): 296 ms
[2026-05-23 21:26:42] [INFO ] Transformed 208 places.
[2026-05-23 21:26:42] [INFO ] Transformed 378 transitions.
[2026-05-23 21:26:42] [INFO ] Found NUPN structural information;
[2026-05-23 21:26:42] [INFO ] Parsed PT model containing 208 places and 378 transitions and 3198 arcs in 528 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 8 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 49 places in 5 ms
Reduce places removed 77 places and 239 transitions.
Reduce places removed 21 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.16774KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 110/110 places, 139/139 transitions.
Computed a total of 8 stabilizing places and 4 stable transitions
Computed a total of 8 stabilizing places and 4 stable transitions
Computed a total of 8 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 54 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 81 ms. Remains : 110/110 places, 139/139 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 110/110 places, 139/139 transitions.
Computed a total of 8 stabilizing places and 4 stable transitions
Computed a total of 8 stabilizing places and 4 stable transitions
Computed a total of 8 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 26 ms. Remains 110 /110 variables (removed 0) and now considering 139/139 (removed 0) transitions.
[2026-05-23 21:26:43] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
// Phase 1: matrix 106 rows 110 cols
[2026-05-23 21:26:43] [INFO ] Computed 55 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:26:43] [INFO ] Implicit Places using invariants in 668 ms returned []
[2026-05-23 21:26:43] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
[2026-05-23 21:26:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:26:44] [INFO ] State equation strengthened by 51 read => feed constraints.
[2026-05-23 21:26:44] [INFO ] Implicit Places using invariants and state equation in 590 ms returned []
Implicit Place search using SMT with State Equation took 1339 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 21:26:44] [INFO ] Redundant transitions in 8 ms returned []
Running 129 sub problems to find dead transitions.
[2026-05-23 21:26:44] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
[2026-05-23 21:26:44] [INFO ] Invariant cache hit.
[2026-05-23 21:26:44] [INFO ] State equation strengthened by 51 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 108/108 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 53/161 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:26:46] [INFO ] Deduced a trap composed of 3 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:26:46] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 2/163 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 2/110 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 2/167 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/110 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (OVERLAPS) 106/216 variables, 110/277 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 51/328 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (OVERLAPS) 0/216 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 328 constraints, problems are : Problem set: 0 solved, 129 unsolved in 10352 ms.
Refiners :[Domain max(s): 110/110 constraints, Positive P Invariants (semi-flows): 55/55 constraints, State Equation: 110/110 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 108/108 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 53/161 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 2/163 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 2/110 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 2/167 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/110 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (OVERLAPS) 106/216 variables, 110/277 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 51/328 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 129/457 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 11 (OVERLAPS) 0/216 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 457 constraints, problems are : Problem set: 0 solved, 129 unsolved in 8427 ms.
Refiners :[Domain max(s): 110/110 constraints, Positive P Invariants (semi-flows): 55/55 constraints, State Equation: 110/110 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19004ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 19030ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 20438 ms. Remains : 110/110 places, 139/139 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4274 ms (no deadlock found). (steps per millisecond=292 )
Random directed walk for 1250003 steps, including 0 resets, run took 3032 ms (no deadlock found). (steps per millisecond=412 )
[2026-05-23 21:27:10] [INFO ] Flow matrix only has 106 transitions (discarded 33 similar events)
[2026-05-23 21:27:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-23 21:27:11] [INFO ] [Real]Absence check using 55 positive place invariants in 22 ms returned unsat
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION
Total runtime 28694 ms.

BK_STOP 1779571631172

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="EGFr-PT-10420"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 EGFr-PT-10420, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r128-smll-177955743900136"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EGFr-PT-10420.tgz
mv EGFr-PT-10420 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;