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.r354-tall-178024402800111.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 LastZero-PT-N14, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800111
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 5.6K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 47K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 27 10:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 27 10:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 72K May 27 10:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 282K May 27 10:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 7.7K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 16K May 27 10:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 42K May 27 10:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 1.2M Jun 10 11:58 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 LastZero-PT-N14-ReachabilityFireability-2024-00
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-01
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-02
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-03
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-04
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-05
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-06
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-07
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-08
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-09
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-10
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-11
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-12
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-13
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-14
FORMULA_NAME LastZero-PT-N14-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781099775150

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-PT-N14
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 13:56:16] [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]
[2026-06-10 13:56:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 13:56:16] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2026-06-10 13:56:16] [INFO ] Transformed 480 places.
[2026-06-10 13:56:16] [INFO ] Transformed 3767 transitions.
[2026-06-10 13:56:16] [INFO ] Parsed PT model containing 480 places and 3767 transitions and 11693 arcs in 272 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 226 places in 30 ms
Reduce places removed 226 places and 2437 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 13:56:17] [INFO ] Flatten gal took : 189 ms
RANDOM walk for 40000 steps (928 resets) in 1730 ms. (23 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (125 resets) in 201 ms. (198 steps per ms) remains 6/6 properties
[2026-06-10 13:56:17] [INFO ] Flatten gal took : 165 ms
BEST_FIRST walk for 40002 steps (116 resets) in 291 ms. (136 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (126 resets) in 179 ms. (222 steps per ms) remains 6/6 properties
[2026-06-10 13:56:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8777435024034307523.gal : 103 ms
BEST_FIRST walk for 40003 steps (124 resets) in 206 ms. (193 steps per ms) remains 6/6 properties
[2026-06-10 13:56:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6389124888089895858.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8777435024034307523.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6389124888089895858.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (125 resets) in 126 ms. (314 steps per ms) remains 6/6 properties

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
BEST_FIRST walk for 40004 steps (126 resets) in 188 ms. (211 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality6389124888089895858.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :6 after 18
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :18 after 39
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :39 after 153
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :153 after 2123
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :2123 after 59362
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :59362 after 5.75796e+06
Invariant property LastZero-PT-N14-ReachabilityFireability-2024-03 does not hold.
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Interrupted probabilistic random walk after 314813 steps, run timeout after 3001 ms. (steps per millisecond=104 ) properties seen :0 out of 6
Probabilistic random walk after 314813 steps, saw 62834 distinct states, run finished after 3006 ms. (steps per millisecond=104 ) properties seen :0
[2026-06-10 13:56:20] [INFO ] Flow matrix only has 1239 transitions (discarded 91 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13708180577488158928.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5428771370412877298.kers'
[2026-06-10 13:56:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13708180577488158928.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5428771370412877298.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 1239 rows 252 cols 3387 entries
Finished phase 1 with 238 SingleSign rule and 0 generalized
[2026-06-10 13:56:20] [INFO ] Computed 15 invariants in 4 ms
Computed 15 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-5428771370412877298.kers
Total runtime 6 ms.
[2026-06-10 13:56:20] [INFO ] State equation strengthened by 210 read => feed constraints.
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :5.75796e+06 after 1.12426e+08
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 35/50 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 425/475 variables, 50/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 17/72 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/475 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem LastZero-PT-N14-ReachabilityFireability-2024-01 is UNSAT
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N14-ReachabilityFireability-2024-02 is UNSAT
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N14-ReachabilityFireability-2024-07 is UNSAT
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N14-ReachabilityFireability-2024-10 is UNSAT
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N14-ReachabilityFireability-2024-14 is UNSAT
FORMULA LastZero-PT-N14-ReachabilityFireability-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 759/1492 variables, and 124 constraints, problems are : Problem set: 5 solved, 0 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 5/15 constraints, State Equation: 102/253 constraints, ReadFeed: 17/210 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 546ms problems are : Problem set: 5 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 4941 ms.

BK_STOP 1781099781308

--------------------
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="LastZero-PT-N14"
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 LastZero-PT-N14, 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 r354-tall-178024402800111"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-PT-N14.tgz
mv LastZero-PT-N14 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 ;