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.r018-smll-177946788100255.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 BART-PT-020, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100255
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 46M
-rw-r--r-- 1 mcc users 1.3M Mar 5 09:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 4.5M Mar 5 09:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.7M Mar 5 09:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 5.6M Mar 5 09:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 562K Mar 15 07:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.5M Mar 15 07:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 680K Mar 15 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.7M Mar 15 07:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.3M Mar 5 09:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 8.1M Mar 5 09:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1M Mar 5 09:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 9.5M Mar 5 09:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 120K Mar 15 07:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 242K Mar 15 07:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 4.8M 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 BART-PT-020-ReachabilityFireability-2024-00
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-01
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-02
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-03
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-04
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-05
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-06
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-07
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-08
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-09
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-10
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-11
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-12
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-13
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-14
FORMULA_NAME BART-PT-020-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779553236220

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BART-PT-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 16:20:38] [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]
[2026-05-23 16:20:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:20:40] [INFO ] Load time of PNML (sax parser for PT used): 981 ms
[2026-05-23 16:20:40] [INFO ] Transformed 2850 places.
[2026-05-23 16:20:40] [INFO ] Transformed 4040 transitions.
[2026-05-23 16:20:40] [INFO ] Found NUPN structural information;
[2026-05-23 16:20:40] [INFO ] Parsed PT model containing 2850 places and 4040 transitions and 32400 arcs in 1306 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 496 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 210 places and 0 transitions.
FORMULA BART-PT-020-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 4980 ms. (8 steps per ms) remains 5/15 properties
FORMULA BART-PT-020-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 16:20:43] [INFO ] Flatten gal took : 720 ms
[2026-05-23 16:20:43] [INFO ] Flatten gal took : 225 ms
[2026-05-23 16:20:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality987031758902802869.gal : 144 ms
[2026-05-23 16:20:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4902443678191897094.prop : 57 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/ReachabilityCardinality987031758902802869.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4902443678191897094.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 ...327
Loading property file /tmp/ReachabilityCardinality4902443678191897094.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 18008 ms. (2 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 885 ms. (45 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 726 ms. (55 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-340911452374238866.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14225343760826867504.kers'
[2026-05-23 16:20:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-340911452374238866.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14225343760826867504.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 4040 rows 2640 cols 8080 entries
Finished phase 1 with 2620 SingleSign rule and 0 generalized
[2026-05-23 16:20:48] [INFO ] Computed 20 invariants in 26 ms
Computed 20 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-14225343760826867504.kers
Total runtime 35 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2640 variables, 2640/2640 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2640 variables, 20/2660 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2640 variables, 0/2660 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SMT process timed out in 5274ms, After SMT, problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2640 out of 2640 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2640/2640 places, 4040/4040 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 700 transitions
Redundant transition composition rules discarded 700 transitions
Iterating global reduction 0 with 700 rules applied. Total rules applied 700 place count 2640 transition count 3340
Applied a total of 700 rules in 237 ms. Remains 2640 /2640 variables (removed 0) and now considering 3340/4040 (removed 700) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 2640/2640 places, 3340/4040 transitions.
RANDOM walk for 40000 steps (8 resets) in 1159 ms. (34 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 15202 ms. (2 steps per ms) remains 4/5 properties
FORMULA BART-PT-020-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 83 ms. (476 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15912907044888323825.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12971190328331648069.kers'
[2026-05-23 16:20:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15912907044888323825.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12971190328331648069.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3340 rows 2640 cols 6680 entries
Finished phase 1 with 2620 SingleSign rule and 0 generalized
[2026-05-23 16:20:58] [INFO ] Computed 20 invariants in 31 ms
Computed 20 P flows in 31 ms.
Exported basis to /tmp/petrispot-output-12971190328331648069.kers
Total runtime 36 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2540/2640 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2640 variables, 2540/2660 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2640 variables, 0/2660 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 20
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :20 after 21
At refinement iteration 5 (OVERLAPS) 3340/5980 variables, 2640/5300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :21 after 23
At refinement iteration 6 (INCLUDED_ONLY) 0/5980 variables, 0/5300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/5980 variables, 0/5300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5980/5980 variables, and 5300 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4318 ms.
Refiners :[Domain max(s): 2640/2640 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 2640/2640 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :23 after 25
At refinement iteration 2 (OVERLAPS) 2540/2640 variables, 20/120 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :25 after 26
At refinement iteration 3 (INCLUDED_ONLY) 0/2640 variables, 2540/2660 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :26 after 28
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :28 after 30
At refinement iteration 4 (INCLUDED_ONLY) 0/2640 variables, 0/2660 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :30 after 32
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :32 after 37
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :37 after 46
At refinement iteration 5 (OVERLAPS) 3340/5980 variables, 2640/5300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5980 variables, 3/5303 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5980 variables, 0/5303 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :46 after 1738
At refinement iteration 8 (OVERLAPS) 0/5980 variables, 0/5303 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5980/5980 variables, and 5303 constraints, problems are : Problem set: 0 solved, 4 unsolved in 12879 ms.
Refiners :[Domain max(s): 2640/2640 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 2640/2640 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17352ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :1738 after 2713
FORMULA BART-PT-020-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA BART-PT-020-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 342 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=114 )
FORMULA BART-PT-020-ReachabilityFireability-2024-10 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 364 ms.
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 37501 ms.

BK_STOP 1779553276356

--------------------
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="BART-PT-020"
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 BART-PT-020, 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 r018-smll-177946788100255"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BART-PT-020.tgz
mv BART-PT-020 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 ;