fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366000175
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Anderson-PT-07

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
497.464 6611.00 18559.00 86.70 TTTFFFTFTFTFTFFT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366000175.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Anderson-PT-07, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 6.7K Mar 4 18:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 4 18:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 18:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 4 18:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 4 18:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 4 18:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 461K 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 Anderson-PT-07-ReachabilityFireability-2024-00
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-01
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-02
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-03
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-04
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-05
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-06
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-07
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-08
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-09
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-10
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-11
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-12
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-13
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-14
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779462296494

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 15:04:58] [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]
[2026-05-22 15:04:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 15:04:58] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2026-05-22 15:04:58] [INFO ] Transformed 309 places.
[2026-05-22 15:04:58] [INFO ] Transformed 917 transitions.
[2026-05-22 15:04:58] [INFO ] Found NUPN structural information;
[2026-05-22 15:04:58] [INFO ] Parsed PT model containing 309 places and 917 transitions and 3500 arcs in 224 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
FORMULA Anderson-PT-07-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2272 ms. (17 steps per ms) remains 7/15 properties
FORMULA Anderson-PT-07-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 15:04:59] [INFO ] Flatten gal took : 210 ms
[2026-05-22 15:04:59] [INFO ] Flatten gal took : 127 ms
BEST_FIRST walk for 40003 steps (8 resets) in 910 ms. (43 steps per ms) remains 5/7 properties
FORMULA Anderson-PT-07-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 15:04:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14827545425490763666.gal : 65 ms
[2026-05-22 15:04:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5221196845992204174.prop : 6 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/ReachabilityCardinality14827545425490763666.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5221196845992204174.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 40003 steps (8 resets) in 504 ms. (79 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 5/5 properties
Loading property file /tmp/ReachabilityCardinality5221196845992204174.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 184 ms. (216 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 176 ms. (226 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-15514014079602372046.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13646107353111168910.kers'
[2026-05-22 15:04:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15514014079602372046.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13646107353111168910.kers]
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 3
Culled 0 columns in 0 ms.
// Phase 1: matrix 917 rows 309 cols 3402 entries
Finished phase 1 with 175 SingleSign rule and 117 generalized
[2026-05-22 15:04:59] [INFO ] Computed 17 invariants in 3 ms
Computed 17 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-13646107353111168910.kers
Total runtime 4 ms.
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :9 after 11
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :19 after 64
[2026-05-22 15:04:59] [INFO ] State equation strengthened by 42 read => feed constraints.
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :64 after 106
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :106 after 427
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :427 after 2470
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem Anderson-PT-07-ReachabilityFireability-2024-05 is UNSAT
FORMULA Anderson-PT-07-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 200/279 variables, 8/87 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/279 variables, 200/287 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/279 variables, 0/287 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem Anderson-PT-07-ReachabilityFireability-2024-04 is UNSAT
FORMULA Anderson-PT-07-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 30/309 variables, 9/296 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/309 variables, 30/326 constraints. Problems are: Problem set: 2 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :2470 after 22827
At refinement iteration 7 (INCLUDED_ONLY) 0/309 variables, 0/326 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 917/1226 variables, 309/635 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1226 variables, 42/677 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1226/1226 variables, and 677 constraints, problems are : Problem set: 2 solved, 3 unsolved in 1926 ms.
Refiners :[Domain max(s): 309/309 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 309/309 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 5/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 67/67 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 0/67 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem Anderson-PT-07-ReachabilityFireability-2024-01 is UNSAT
FORMULA Anderson-PT-07-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 209/276 variables, 8/75 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/276 variables, 209/284 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/276 variables, 0/284 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem Anderson-PT-07-ReachabilityFireability-2024-06 is UNSAT
FORMULA Anderson-PT-07-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 33/309 variables, 9/293 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/309 variables, 33/326 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/309 variables, 0/326 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 917/1226 variables, 309/635 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1226 variables, 42/677 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1226 variables, 0/677 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1226/1226 variables, and 677 constraints, problems are : Problem set: 4 solved, 1 unsolved in 1004 ms.
Refiners :[Domain max(s): 309/309 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 309/309 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3044ms problems are : Problem set: 4 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 9 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 917/917 transitions.
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 42 Pre rules applied. Total rules applied 0 place count 309 transition count 875
Deduced a syphon composed of 42 places in 4 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 84 place count 267 transition count 875
Discarding 81 places :
Symmetric choice reduction at 0 with 81 rule applications. Total rules 165 place count 186 transition count 326
Iterating global reduction 0 with 81 rules applied. Total rules applied 246 place count 186 transition count 326
Applied a total of 246 rules in 93 ms. Remains 186 /309 variables (removed 123) and now considering 326/917 (removed 591) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 186/309 places, 326/917 transitions.
RANDOM walk for 40000 steps (8 resets) in 388 ms. (102 steps per ms) remains 1/1 properties
BEST_FIRST walk for 36953 steps (8 resets) in 135 ms. (271 steps per ms) remains 0/1 properties
FORMULA Anderson-PT-07-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_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 4926 ms.

BK_STOP 1779462303105

--------------------
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="Anderson-PT-07"
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 Anderson-PT-07, 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 r002-oct2-177944366000175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-07.tgz
mv Anderson-PT-07 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 ;