fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r147-tall-174876819400147
Last Updated
June 24, 2025

About the Execution of ITS-Tools for NoC3x3-PT-6A

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 15229.00 0.00 0.00 T normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819400147.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is NoC3x3-PT-6A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819400147
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 748K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 297K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748809515797

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-6A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-01 20:25:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 20:25:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:25:17] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2025-06-01 20:25:17] [INFO ] Transformed 512 places.
[2025-06-01 20:25:17] [INFO ] Transformed 1117 transitions.
[2025-06-01 20:25:17] [INFO ] Found NUPN structural information;
[2025-06-01 20:25:17] [INFO ] Parsed PT model containing 512 places and 1117 transitions and 4279 arcs in 201 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 512/512 places, 1117/1117 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 509 transition count 1142
Applied a total of 6 rules in 68 ms. Remains 509 /512 variables (removed 3) and now considering 1142/1117 (removed -25) transitions.
[2025-06-01 20:25:17] [INFO ] Flow matrix only has 1100 transitions (discarded 42 similar events)
// Phase 1: matrix 1100 rows 509 cols
[2025-06-01 20:25:17] [INFO ] Computed 66 invariants in 25 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:25:17] [INFO ] Implicit Places using invariants in 602 ms returned [13, 52, 106, 150, 223, 330, 389, 433, 491]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 643 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 500/512 places, 1142/1117 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 2 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 476 transition count 1118
Applied a total of 48 rules in 32 ms. Remains 476 /500 variables (removed 24) and now considering 1118/1142 (removed 24) transitions.
[2025-06-01 20:25:18] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
// Phase 1: matrix 1076 rows 476 cols
[2025-06-01 20:25:18] [INFO ] Computed 57 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:25:18] [INFO ] Implicit Places using invariants in 291 ms returned []
[2025-06-01 20:25:18] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
[2025-06-01 20:25:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:25:18] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-06-01 20:25:19] [INFO ] Implicit Places using invariants and state equation in 1008 ms returned []
Implicit Place search using SMT with State Equation took 1302 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 476/512 places, 1118/1117 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2062 ms. Remains : 476/512 places, 1118/1117 transitions.
Discarding 366 transitions out of 1118. Remains 752
Initial state reduction rules removed 1 formulas.
[2025-06-01 20:25:20] [INFO ] Flatten gal took : 272 ms
[2025-06-01 20:25:20] [INFO ] Flatten gal took : 110 ms
RANDOM walk for 40000 steps (120 resets) in 2701 ms. (14 steps per ms) remains 14/751 properties
[2025-06-01 20:25:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2344220595113383590.gal : 71 ms
BEST_FIRST walk for 40004 steps (8 resets) in 353 ms. (113 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 159 ms. (250 steps per ms) remains 11/12 properties
[2025-06-01 20:25:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16336763246751329326.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2344220595113383590.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16336763246751329326.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 163 ms. (243 steps per ms) remains 9/11 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 148 ms. (268 steps per ms) remains 8/9 properties
Loading property file /tmp/ReachabilityCardinality16336763246751329326.prop.
BEST_FIRST walk for 40003 steps (9 resets) in 140 ms. (283 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 133 ms. (298 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 125 ms. (317 steps per ms) remains 6/6 properties
[2025-06-01 20:25:20] [INFO ] Flow matrix only has 1076 transitions (discarded 42 similar events)
[2025-06-01 20:25:20] [INFO ] Invariant cache hit.
[2025-06-01 20:25:20] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :14 after 18
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :18 after 33
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :33 after 65
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :65 after 367
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :367 after 1531
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :1531 after 11783
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :11783 after 63295
At refinement iteration 2 (OVERLAPS) 83/95 variables, 10/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :63295 after 250565
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 83/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :250565 after 1.52709e+07
At refinement iteration 5 (OVERLAPS) 381/476 variables, 47/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/476 variables, 381/533 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:25:21] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 8 ms to minimize.
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :1.52709e+07 after 4.15519e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/476 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/476 variables, 0/534 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1076/1552 variables, 476/1010 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1552 variables, 97/1107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :4.15519e+07 after 2.15854e+09
At refinement iteration 11 (INCLUDED_ONLY) 0/1552 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 0/1552 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1552/1552 variables, and 1107 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1350 ms.
Refiners :[Domain max(s): 476/476 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 476/476 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 83/95 variables, 10/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 83/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 381/476 variables, 47/152 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/476 variables, 381/533 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/476 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:25:22] [INFO ] Deduced a trap composed of 47 places in 135 ms of which 21 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/476 variables, 1/535 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/476 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 1076/1552 variables, 476/1011 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1552 variables, 97/1108 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :2.15854e+09 after 4.46883e+09
At refinement iteration 12 (INCLUDED_ONLY) 0/1552 variables, 6/1114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1552 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/1552 variables, 0/1114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1552/1552 variables, and 1114 constraints, problems are : Problem set: 0 solved, 6 unsolved in 3106 ms.
Refiners :[Domain max(s): 476/476 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 476/476 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4527ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 5 properties in 1131 ms.
Support contains 2 out of 476 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 476/476 places, 1118/1118 transitions.
Discarding 80 places :
Symmetric choice reduction at 0 with 80 rule applications. Total rules 80 place count 396 transition count 792
Iterating global reduction 0 with 80 rules applied. Total rules applied 160 place count 396 transition count 792
Free-agglomeration rule applied 25 times.
Iterating global reduction 0 with 25 rules applied. Total rules applied 185 place count 396 transition count 767
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 210 place count 371 transition count 767
Applied a total of 210 rules in 112 ms. Remains 371 /476 variables (removed 105) and now considering 767/1118 (removed 351) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 371/476 places, 767/1118 transitions.
RANDOM walk for 4000000 steps (9 resets) in 12637 ms. (316 steps per ms) remains 1/1 properties
BEST_FIRST walk for 3008647 steps (6 resets) in 3185 ms. (944 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 752 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 13921 ms.

BK_STOP 1748809531026

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="NoC3x3-PT-6A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5832"
echo " Executing tool itstools"
echo " Input is NoC3x3-PT-6A, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-tall-174876819400147"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-6A.tgz
mv NoC3x3-PT-6A execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;