fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r162-smll-177961107900422
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LamportFastMutEx-PT-5

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
303.384 5786.00 15162.00 70.50 TFFTTFTFTTTFTTFT normal

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.r162-smll-177961107900422.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 LamportFastMutEx-PT-5, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900422
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 972K
-rw-r--r-- 1 mcc users 15K Mar 7 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 18K Mar 7 16:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 7 16:44 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 11K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 36K Mar 7 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 192K Mar 7 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.4K Mar 15 11:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 157K 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 LamportFastMutEx-PT-5-ReachabilityCardinality-2024-00
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-01
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-02
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-03
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-04
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-05
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-06
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-07
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-08
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-09
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-10
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-11
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-12
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-13
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-14
FORMULA_NAME LamportFastMutEx-PT-5-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779880874867

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-PT-5
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-27 11:21:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 11:21:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 11:21:17] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-27 11:21:17] [INFO ] Transformed 174 places.
[2026-05-27 11:21:17] [INFO ] Transformed 318 transitions.
[2026-05-27 11:21:17] [INFO ] Found NUPN structural information;
[2026-05-27 11:21:17] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_start_1_3, P_start_1_4, P_start_1_5, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_b_3_false, P_b_3_true, P_b_4_false, P_b_4_true, P_b_5_false, P_b_5_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setx_3_3, P_setx_3_4, P_setx_3_5, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_setbi_5_3, P_setbi_5_4, P_setbi_5_5, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_ify0_4_3, P_ify0_4_4, P_ify0_4_5, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_sety_9_3, P_sety_9_4, P_sety_9_5, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_ifxi_10_3, P_ifxi_10_4, P_ifxi_10_5, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_setbi_11_3, P_setbi_11_4, P_setbi_11_5, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_fordo_12_3, P_fordo_12_4, P_fordo_12_5, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_0_3, P_wait_0_4, P_wait_0_5, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_1_3, P_wait_1_4, P_wait_1_5, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_wait_2_3, P_wait_2_4, P_wait_2_5, P_wait_3_0, P_wait_3_1, P_wait_3_2, P_wait_3_3, P_wait_3_4, P_wait_3_5, P_wait_4_0, P_wait_4_1, P_wait_4_2, P_wait_4_3, P_wait_4_4, P_wait_4_5, P_wait_5_0, P_wait_5_1, P_wait_5_2, P_wait_5_3, P_wait_5_4, P_wait_5_5, P_await_13_0, P_await_13_1, P_await_13_2, P_await_13_3, P_await_13_4, P_await_13_5, P_done_0_0, P_done_0_1, P_done_0_2, P_done_0_3, P_done_0_4, P_done_0_5, P_done_1_0, P_done_1_1, P_done_1_2, P_done_1_3, P_done_1_4, P_done_1_5, P_done_2_0, P_done_2_1, P_done_2_2, P_done_2_3, P_done_2_4, P_done_2_5, P_done_3_0, P_done_3_1, P_done_3_2, P_done_3_3, P_done_3_4, P_done_3_5, P_done_4_0, P_done_4_1, P_done_4_2, P_done_4_3, P_done_4_4, P_done_4_5, P_done_5_0, P_done_5_1, P_done_5_2, P_done_5_3, P_done_5_4, P_done_5_5, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_ifyi_15_3, P_ifyi_15_4, P_ifyi_15_5, P_awaity_0, P_awaity_1, P_awaity_2, P_awaity_3, P_awaity_4, P_awaity_5, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_CS_21_3, P_CS_21_4, P_CS_21_5, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2, P_setbi_24_3, P_setbi_24_4, P_setbi_24_5]
[2026-05-27 11:21:17] [INFO ] Parsed PT model containing 174 places and 318 transitions and 1380 arcs in 344 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 31 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 37 places in 4 ms
Reduce places removed 37 places and 58 transitions.
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-27 11:21:18] [INFO ] Flatten gal took : 137 ms
[2026-05-27 11:21:18] [INFO ] Flatten gal took : 72 ms
RANDOM walk for 40000 steps (8 resets) in 2697 ms. (14 steps per ms) remains 5/9 properties
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-27 11:21:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16815830257227339696.gal : 44 ms
[2026-05-27 11:21:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7519163074539167692.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/ReachabilityCardinality16815830257227339696.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7519163074539167692.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

BEST_FIRST walk for 40004 steps (8 resets) in 557 ms. (71 steps per ms) remains 5/5 properties
/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
Loading property file /tmp/ReachabilityCardinality7519163074539167692.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 623 ms. (64 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :12 after 18
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :18 after 20
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :20 after 44
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :44 after 86
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :86 after 230
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :230 after 440
BEST_FIRST walk for 40003 steps (8 resets) in 693 ms. (57 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :440 after 4426
BEST_FIRST walk for 40003 steps (8 resets) in 1607 ms. (24 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :4426 after 12474
[2026-05-27 11:21:20] [INFO ] Flow matrix only has 200 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12412075094504404248.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6937930489222340033.kers'
[2026-05-27 11:21:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12412075094504404248.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6937930489222340033.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 200 rows 132 cols 620 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 11:21:20] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6937930489222340033.kers
Total runtime 3 ms.
[2026-05-27 11:21:20] [INFO ] State equation strengthened by 55 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem LamportFastMutEx-PT-5-ReachabilityCardinality-2024-00 is UNSAT
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem LamportFastMutEx-PT-5-ReachabilityCardinality-2024-01 is UNSAT
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem LamportFastMutEx-PT-5-ReachabilityCardinality-2024-03 is UNSAT
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem LamportFastMutEx-PT-5-ReachabilityCardinality-2024-04 is UNSAT
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 91/91 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/91 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem LamportFastMutEx-PT-5-ReachabilityCardinality-2024-14 is UNSAT
FORMULA LamportFastMutEx-PT-5-ReachabilityCardinality-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 129/337 variables, and 124 constraints, problems are : Problem set: 5 solved, 0 unsolved in 346 ms.
Refiners :[Domain max(s): 91/137 constraints, Positive P Invariants (semi-flows): 33/37 constraints, State Equation: 0/137 constraints, ReadFeed: 0/55 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 526ms 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 3293 ms.

BK_STOP 1779880880653

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="LamportFastMutEx-PT-5"
export BK_EXAMINATION="ReachabilityCardinality"
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 LamportFastMutEx-PT-5, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107900422"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-5.tgz
mv LamportFastMutEx-PT-5 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;