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.r072-tall-177946970400302.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 itstools
Input is CopsAndRobbers-PT-HRL014X002, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970400302
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 7.3K Mar 6 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Mar 6 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:35 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 134K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779523917763

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-HRL014X002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 08:11:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 08:11:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:11:59] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2026-05-23 08:11:59] [INFO ] Transformed 80 places.
[2026-05-23 08:11:59] [INFO ] Transformed 158 transitions.
[2026-05-23 08:11:59] [INFO ] Parsed PT model containing 80 places and 158 transitions and 807 arcs in 157 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 80/80 places, 158/158 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 66 transition count 158
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 65 transition count 157
Applied a total of 16 rules in 30 ms. Remains 65 /80 variables (removed 15) and now considering 157/158 (removed 1) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9844573037989925297.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13939796733030434575.kers'
[2026-05-23 08:11:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9844573037989925297.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13939796733030434575.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 157 rows 51 cols 511 entries
Finished phase 1 with 48 SingleSign rule and 0 generalized
[2026-05-23 08:11:59] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13939796733030434575.kers
Total runtime 2 ms.
[2026-05-23 08:11:59] [INFO ] State equation strengthened by 42 read => feed constraints.
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD84 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 15/15 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 157/222 variables, 65/82 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 42/124 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/124 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 7 (OVERLAPS) 0/222 variables, 0/124 constraints. Problems are: Problem set: 28 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 124 constraints, problems are : Problem set: 28 solved, 101 unsolved in 5600 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 65/65 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 101 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 15/15 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 157/222 variables, 65/82 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 42/124 constraints. Problems are: Problem set: 28 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 101/225 constraints. Problems are: Problem set: 28 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 222/222 variables, and 225 constraints, problems are : Problem set: 28 solved, 101 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 65/65 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 101/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25853ms problems are : Problem set: 28 solved, 101 unsolved
Search for dead transitions found 28 dead transitions in 25871ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 28 transitions.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 26160 ms.

BK_STOP 1779523945108

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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-HRL014X002"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CopsAndRobbers-PT-HRL014X002, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-177946970400302"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL014X002.tgz
mv CopsAndRobbers-PT-HRL014X002 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;