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.r080-tall-177946972500306.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)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CopsAndRobbers-PT-HRL017X005, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r080-tall-177946972500306
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 10K Mar 6 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Mar 6 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 182K Mar 6 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 13:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 170K 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 1779559343119

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-HRL017X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-23 18:02:24] [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 18:02:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:02:24] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2026-05-23 18:02:24] [INFO ] Transformed 95 places.
[2026-05-23 18:02:24] [INFO ] Transformed 213 transitions.
[2026-05-23 18:02:24] [INFO ] Parsed PT model containing 95 places and 213 transitions and 1110 arcs in 162 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.14722KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 95/95 places, 213/213 transitions.
Computed a total of 4 stabilizing places and 35 stable transitions
Graph (complete) has 734 edges and 95 vertex of which 78 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.5 ms
Discarding 17 places :
Also discarding 0 output transitions
Computed a total of 4 stabilizing places and 35 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 77 transition count 212
Computed a total of 4 stabilizing places and 35 stable transitions
Computed a total of 4 stabilizing places and 35 stable transitions
Applied a total of 3 rules in 50 ms. Remains 77 /95 variables (removed 18) and now considering 212/213 (removed 1) transitions.
Running 178 sub problems to find dead transitions.
// Phase 1: matrix 212 rows 77 cols
[2026-05-23 18:02:24] [INFO ] Computed 20 invariants in 10 ms
[2026-05-23 18:02:24] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 17/17 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 3 (OVERLAPS) 2/77 variables, 2/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 5 (OVERLAPS) 212/289 variables, 77/97 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 40/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 0/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 8 (OVERLAPS) 0/289 variables, 0/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 137 constraints, problems are : Problem set: 12 solved, 166 unsolved in 14881 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 166 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 17/17 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 3 (OVERLAPS) 2/77 variables, 2/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 5 (OVERLAPS) 212/289 variables, 77/97 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 40/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 166/303 constraints. Problems are: Problem set: 12 solved, 166 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 303 constraints, problems are : Problem set: 12 solved, 166 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 166/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35188ms problems are : Problem set: 12 solved, 166 unsolved
Search for dead transitions found 12 dead transitions in 35208ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 12 transitions.
Starting structural reductions in DEADLOCK mode, iteration 1 : 77/95 places, 200/213 transitions.
Computed a total of 4 stabilizing places and 35 stable transitions
Computed a total of 4 stabilizing places and 35 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 77 transition count 199
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 76 transition count 199
Computed a total of 4 stabilizing places and 35 stable transitions
Computed a total of 4 stabilizing places and 35 stable transitions
Applied a total of 2 rules in 32 ms. Remains 76 /77 variables (removed 1) and now considering 199/200 (removed 1) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 35348 ms. Remains : 76/95 places, 199/213 transitions.
Finished random walk after 28 steps, including 0 resets, run found a deadlock after 1 ms. (steps per millisecond=28 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 35578 ms.

BK_STOP 1779559380068

--------------------
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="CopsAndRobbers-PT-HRL017X005"
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 CopsAndRobbers-PT-HRL017X005, 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 r080-tall-177946972500306"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL017X005.tgz
mv CopsAndRobbers-PT-HRL017X005 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 ;