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.r082-smll-177946993700335.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 itstools
Input is DES-PT-02a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700335
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 18:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 18:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 18:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 6 18:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 18:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 18:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 33K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-00
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-01
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-02
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-03
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-04
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-05
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-06
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-07
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-08
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-09
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-10
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-11
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-12
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-13
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-14
FORMULA_NAME DES-PT-02a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779654126275

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-02a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 20:22:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 20:22:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:22:08] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2026-05-24 20:22:08] [INFO ] Transformed 123 places.
[2026-05-24 20:22:08] [INFO ] Transformed 80 transitions.
[2026-05-24 20:22:08] [INFO ] Found NUPN structural information;
[2026-05-24 20:22:08] [INFO ] Parsed PT model containing 123 places and 80 transitions and 400 arcs in 268 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 21 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-02a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 20:22:09] [INFO ] Flatten gal took : 65 ms
RANDOM walk for 40000 steps (998 resets) in 2376 ms. (16 steps per ms) remains 5/14 properties
FORMULA DES-PT-02a-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 20:22:09] [INFO ] Flatten gal took : 29 ms
[2026-05-24 20:22:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2595698699451029940.gal : 22 ms
[2026-05-24 20:22:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5431319145484054507.prop : 17 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2595698699451029940.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5431319145484054507.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (189 resets) in 493 ms. (80 steps per ms) remains 4/5 properties
FORMULA DES-PT-02a-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5431319145484054507.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 21
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :21 after 113
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :113 after 163
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :163 after 895
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :895 after 1225
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :1225 after 2054
BEST_FIRST walk for 40004 steps (201 resets) in 764 ms. (52 steps per ms) remains 3/4 properties
FORMULA DES-PT-02a-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-02a-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :2054 after 8301
BEST_FIRST walk for 40002 steps (200 resets) in 623 ms. (64 steps per ms) remains 3/3 properties
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :8301 after 29437
BEST_FIRST walk for 40004 steps (204 resets) in 750 ms. (53 steps per ms) remains 2/3 properties
FORMULA DES-PT-02a-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17696934763191337429.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18412110686961269482.kers'
[2026-05-24 20:22:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17696934763191337429.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18412110686961269482.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 66 rows 122 cols 333 entries
Finished phase 1 with 18 SingleSign rule and 46 generalized
[2026-05-24 20:22:10] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-18412110686961269482.kers
Total runtime 10 ms.
[2026-05-24 20:22:10] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 19/67 variables, 18/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 19/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 33/100 variables, 17/103 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 33/136 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem DES-PT-02a-ReachabilityFireability-2024-02 is UNSAT
FORMULA DES-PT-02a-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 10/146 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 0/146 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 21/121 variables, 13/159 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/121 variables, 21/180 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/121 variables, 0/180 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 66/187 variables, 121/301 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 1/302 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/302 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/189 variables, 2/304 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/189 variables, 2/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 306 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1302 ms.
Refiners :[Domain max(s): 123/123 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 123/123 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem DES-PT-02a-ReachabilityFireability-2024-06 is UNSAT
FORMULA DES-PT-02a-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 43/189 variables, and 42 constraints, problems are : Problem set: 2 solved, 0 unsolved in 95 ms.
Refiners :[Domain max(s): 28/123 constraints, Positive P Invariants (semi-flows): 14/35 constraints, Generalized P Invariants (flows): 0/24 constraints, State Equation: 0/123 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1576ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 3570 ms.

BK_STOP 1779654131873

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="DES-PT-02a"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DES-PT-02a, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993700335"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-02a.tgz
mv DES-PT-02a execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;