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Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r021-smll-174853770000017
Last Updated
June 24, 2025

About the Execution of ITS-Tools for BlocksWorld-PT-04

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 69991.00 0.00 0.00 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r021-smll-174853770000017.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is BlocksWorld-PT-04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-smll-174853770000017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K 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 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 399K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.2M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 25K 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 532K 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 1748542241909

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BlocksWorld-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-29 18:10:44] [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]
[2025-05-29 18:10:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 18:10:44] [INFO ] Load time of PNML (sax parser for PT used): 247 ms
[2025-05-29 18:10:44] [INFO ] Transformed 599 places.
[2025-05-29 18:10:44] [INFO ] Transformed 1105 transitions.
[2025-05-29 18:10:44] [INFO ] Found NUPN structural information;
[2025-05-29 18:10:44] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22]
[2025-05-29 18:10:44] [INFO ] Parsed PT model containing 599 places and 1105 transitions and 5512 arcs in 452 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 599/599 places, 1105/1105 transitions.
Applied a total of 0 rules in 84 ms. Remains 599 /599 variables (removed 0) and now considering 1105/1105 (removed 0) transitions.
// Phase 1: matrix 1105 rows 599 cols
[2025-05-29 18:10:44] [INFO ] Computed 47 invariants in 55 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:10:46] [INFO ] Implicit Places using invariants in 1453 ms returned []
[2025-05-29 18:10:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:10:47] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-29 18:10:48] [INFO ] Implicit Places using invariants and state equation in 2326 ms returned []
Implicit Place search using SMT with State Equation took 3849 ms to find 0 implicit places.
Running 1102 sub problems to find dead transitions.
[2025-05-29 18:10:48] [INFO ] Invariant cache hit.
[2025-05-29 18:10:48] [INFO ] State equation strengthened by 41 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
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Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Problem TDEAD1 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD238 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD358 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD430 is UNSAT
Problem TDEAD454 is UNSAT
Problem TDEAD478 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD642 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD724 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD798 is UNSAT
Problem TDEAD832 is UNSAT
Problem TDEAD864 is UNSAT
Problem TDEAD894 is UNSAT
Problem TDEAD948 is UNSAT
Problem TDEAD972 is UNSAT
Problem TDEAD994 is UNSAT
Problem TDEAD1014 is UNSAT
Problem TDEAD1048 is UNSAT
Problem TDEAD1062 is UNSAT
Problem TDEAD1074 is UNSAT
Problem TDEAD1084 is UNSAT
Problem TDEAD1098 is UNSAT
Problem TDEAD1102 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/596 variables, 41/41 constraints. Problems are: Problem set: 40 solved, 1062 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 596/1704 variables, and 41 constraints, problems are : Problem set: 40 solved, 1062 unsolved in 30065 ms.
Refiners :[Positive P Invariants (semi-flows): 41/47 constraints, State Equation: 0/599 constraints, ReadFeed: 0/41 constraints, PredecessorRefiner: 1082/553 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 1062 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/576 variables, 4/4 constraints. Problems are: Problem set: 40 solved, 1062 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/576 variables, 0/4 constraints. Problems are: Problem set: 40 solved, 1062 unsolved
Problem TDEAD286 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD922 is UNSAT
Problem TDEAD1032 is UNSAT
Problem TDEAD1092 is UNSAT
At refinement iteration 2 (OVERLAPS) 23/599 variables, 43/47 constraints. Problems are: Problem set: 46 solved, 1056 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:49] [INFO ] Deduced a trap composed of 24 places in 171 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:50] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 599/1704 variables, and 49 constraints, problems are : Problem set: 46 solved, 1056 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 47/47 constraints, State Equation: 0/599 constraints, ReadFeed: 0/41 constraints, PredecessorRefiner: 529/553 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63101ms problems are : Problem set: 46 solved, 1056 unsolved
Search for dead transitions found 46 dead transitions in 63140ms
Found 46 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 67684 ms.

BK_STOP 1748542311900

--------------------
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="BlocksWorld-PT-04"
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 BlocksWorld-PT-04, 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 r021-smll-174853770000017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-04.tgz
mv BlocksWorld-PT-04 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 ;