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.r338-smll-178021499300415.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 FileSystem-PT-N02I10B08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499300415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 812K
-rw-r--r-- 1 mcc users 5.8K May 27 10:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 47K May 27 10:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 27 10:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 27 10:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 32K May 27 10:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 117K May 27 10:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 27 10:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 27 10:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 21K May 27 10:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 190K May 27 10:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 27 10:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K May 27 10:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 7.1K May 27 10:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 17K May 27 10:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 10 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 191K Jun 10 11:57 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 FileSystem-PT-N02I10B08-ReachabilityFireability-2024-00
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-01
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-02
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-03
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-04
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-05
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-06
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-07
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-08
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-09
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-10
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-11
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-12
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-13
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-14
FORMULA_NAME FileSystem-PT-N02I10B08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781103176955

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FileSystem-PT-N02I10B08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 14:52:59] [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 14:52:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 14:52:59] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2026-06-10 14:52:59] [INFO ] Transformed 455 places.
[2026-06-10 14:52:59] [INFO ] Transformed 420 transitions.
[2026-06-10 14:52:59] [INFO ] Parsed PT model containing 455 places and 420 transitions and 1490 arcs in 419 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Reduce places removed 10 places and 0 transitions.
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2467 ms. (16 steps per ms) remains 7/14 properties
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-06-10 14:53:00] [INFO ] Flatten gal took : 195 ms
[2026-06-10 14:53:00] [INFO ] Flatten gal took : 86 ms
BEST_FIRST walk for 40001 steps (8 resets) in 653 ms. (61 steps per ms) remains 6/7 properties
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-06-10 14:53:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16587408927112747034.gal : 47 ms
[2026-06-10 14:53:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8468497786842775125.prop : 7 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/ReachabilityCardinality16587408927112747034.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8468497786842775125.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...329
BEST_FIRST walk for 40004 steps (8 resets) in 617 ms. (64 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality8468497786842775125.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :12 after 13
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :13 after 15
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :15 after 18
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :18 after 21
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :21 after 24
BEST_FIRST walk for 40003 steps (8 resets) in 614 ms. (65 steps per ms) remains 5/6 properties
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :24 after 257
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :257 after 321
BEST_FIRST walk for 40002 steps (8 resets) in 196 ms. (203 steps per ms) remains 3/5 properties
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :321 after 513
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9818743340146430282.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12984475748812036214.kers'
[2026-06-10 14:53:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9818743340146430282.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12984475748812036214.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 420 rows 437 cols 1250 entries
Finished phase 1 with 340 SingleSign rule and 70 generalized
[2026-06-10 14:53:01] [INFO ] Computed 35 invariants in 5 ms
Computed 35 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-12984475748812036214.kers
Total runtime 7 ms.
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :513 after 2074
[2026-06-10 14:53:01] [INFO ] State equation strengthened by 80 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 371/378 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :2074 after 6667
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 59/437 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/437 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 8/445 variables, 8/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :6667 after 18570
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :18570 after 209292
SMT process timed out in 5356ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 445 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 445/445 places, 420/420 transitions.
Graph (complete) has 998 edges and 445 vertex of which 365 are kept as prefixes of interest. Removing 80 places using SCC suffix rule.3 ms
Discarding 80 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 365 transition count 410
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 21 place count 355 transition count 410
Discarding 70 places :
Symmetric choice reduction at 2 with 70 rule applications. Total rules 91 place count 285 transition count 340
Iterating global reduction 2 with 70 rules applied. Total rules applied 161 place count 285 transition count 340
Performed 87 Post agglomeration using F-continuation condition.Transition count delta: 87
Deduced a syphon composed of 87 places in 1 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 2 with 174 rules applied. Total rules applied 335 place count 198 transition count 253
Free-agglomeration rule (complex) applied 78 times.
Iterating global reduction 2 with 78 rules applied. Total rules applied 413 place count 198 transition count 175
Reduce places removed 83 places and 0 transitions.
Iterating post reduction 2 with 83 rules applied. Total rules applied 496 place count 115 transition count 175
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 497 place count 115 transition count 175
Applied a total of 497 rules in 190 ms. Remains 115 /445 variables (removed 330) and now considering 175/420 (removed 245) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 115/445 places, 175/420 transitions.
RANDOM walk for 40000 steps (8 resets) in 318 ms. (125 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 66 ms. (597 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 106 ms. (373 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
Reachability property FileSystem-PT-N02I10B08-ReachabilityFireability-2024-10 is true.
Probably explored full state space saw : 60051 states, properties seen :0
Probabilistic random walk after 216400 steps, saw 60051 distinct states, run finished after 1123 ms. (steps per millisecond=192 ) properties seen :0
Explored full state space saw : 60052 states, properties seen :0
Exhaustive walk after 216403 steps, saw 60052 distinct states, run finished after 1317 ms. (steps per millisecond=164 ) properties seen :0
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
FORMULA FileSystem-PT-N02I10B08-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
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 10498 ms.

BK_STOP 1781103189961

--------------------
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="FileSystem-PT-N02I10B08"
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 FileSystem-PT-N02I10B08, 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 r338-smll-178021499300415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FileSystem-PT-N02I10B08.tgz
mv FileSystem-PT-N02I10B08 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 ;