fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r259-tall-174931345600394
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Kneser210702080080

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 3395.00 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.r259-tall-174931345600394.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 ZombiesAndSurvivors-PT-Kneser210702080080, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r259-tall-174931345600394
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 8.1K Jun 6 09:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Jun 6 09:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 10K Jun 6 09:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 74K Jun 6 09:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Jun 6 12:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Jun 6 12:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.6K Jun 6 12:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Jun 6 12:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 14K Jun 6 09:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Jun 6 09:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Jun 6 09:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Jun 6 09:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Jun 6 12:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 19 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 177K Jun 5 20:08 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 Liveness

=== Now, execution of the tool begins

BK_START 1749324874630

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ZombiesAndSurvivors-PT-Kneser210702080080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-07 19:34:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-07 19:34:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:34:36] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2025-06-07 19:34:36] [INFO ] Transformed 42 places.
[2025-06-07 19:34:36] [INFO ] Transformed 462 transitions.
[2025-06-07 19:34:36] [INFO ] Parsed PT model containing 42 places and 462 transitions and 966 arcs in 171 ms.
Discarding 441 transitions out of 462. Remains 21
Built sparse matrix representations for Structural reductions in 6 ms.15817KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 42/42 places, 462/462 transitions.
Computed a total of 0 stabilizing places and 21 stable transitions
Computed a total of 0 stabilizing places and 21 stable transitions
Computed a total of 0 stabilizing places and 21 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 242 transitions
Redundant transition composition rules discarded 242 transitions
Iterating global reduction 0 with 242 rules applied. Total rules applied 242 place count 42 transition count 220
Computed a total of 0 stabilizing places and 21 stable transitions
Computed a total of 0 stabilizing places and 21 stable transitions
Applied a total of 242 rules in 36 ms. Remains 42 /42 variables (removed 0) and now considering 220/462 (removed 242) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 49 ms. Remains : 42/42 places, 220/462 transitions.
Random walk for 1250113 steps, including 0 resets, run took 192 ms (no deadlock found). (steps per millisecond=6511 )
Random directed walk for 1250060 steps, including 0 resets, run took 178 ms (no deadlock found). (steps per millisecond=7022 )
// Phase 1: matrix 220 rows 42 cols
[2025-06-07 19:34:36] [INFO ] Computed 0 invariants in 8 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-07 19:34:36] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2025-06-07 19:34:36] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-07 19:34:36] [INFO ] [Real]Added 40 Read/Feed constraints in 13 ms returned sat
[2025-06-07 19:34:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-07 19:34:36] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-07 19:34:36] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-07 19:34:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:34:37] [INFO ] Deduced a trap composed of 42 places in 86 ms of which 5 ms to minimize.
[2025-06-07 19:34:37] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 103 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 42/42 places, 462/462 transitions.
Graph (trivial) has 420 edges and 42 vertex of which 42 / 42 are part of one of the 2 SCC in 2 ms
Free SCC test removed 40 places
Ensure Unique test removed 458 transitions
Reduce isomorphic transitions removed 458 transitions.
Applied a total of 1 rules in 10 ms. Remains 2 /42 variables (removed 40) and now considering 4/462 (removed 458) transitions.
[2025-06-07 19:34:37] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:34:37] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:34:37] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 19:34:37] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:34:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:34:37] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/42 places, 4/462 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 59 ms. Remains : 2/42 places, 4/462 transitions.
Discarding 3 transitions out of 4. Remains 1
Initial state reduction rules removed 1 formulas.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 42/42 places, 462/462 transitions.
Graph (trivial) has 420 edges and 42 vertex of which 42 / 42 are part of one of the 2 SCC in 0 ms
Free SCC test removed 40 places
Ensure Unique test removed 458 transitions
Reduce isomorphic transitions removed 458 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /42 variables (removed 40) and now considering 4/462 (removed 458) transitions.
[2025-06-07 19:34:37] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:34:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:34:37] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 19:34:37] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:34:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:34:37] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/42 places, 4/462 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 41 ms. Remains : 2/42 places, 4/462 transitions.
Discarding 3 transitions out of 4. Remains 1
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-07 19:34:37] [INFO ] Flatten gal took : 11 ms
[2025-06-07 19:34:37] [INFO ] Flatten gal took : 1 ms
[2025-06-07 19:34:37] [INFO ] Time to serialize gal into /tmp/CTLFireability4614099735397306834.gal : 3 ms
[2025-06-07 19:34:37] [INFO ] Time to serialize properties into /tmp/CTLFireability8663571742758740443.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4614099735397306834.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8663571742758740443.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,9799,0.278735,9504,2,84,5,23951,6,0,13,30187,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n21==80)&&(pl_undead_n21==80))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n21==80)&&(pl_undead_n21==80)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n21, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.289109,9760,1,0,15,23951,25,8,294,30187,14
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-07 19:34:37] [INFO ] Flatten gal took : 4 ms
[2025-06-07 19:34:37] [INFO ] Flatten gal took : 2 ms
[2025-06-07 19:34:37] [INFO ] Time to serialize gal into /tmp/CTLFireability1781667524042276492.gal : 1 ms
[2025-06-07 19:34:37] [INFO ] Time to serialize properties into /tmp/CTLFireability8400390917375778083.ctl : 0 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1781667524042276492.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8400390917375778083.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,9799,0.252701,9676,2,84,5,23951,6,0,13,30187,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n21>=1)&&(pl_undead_n21>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n21>=1)&&(pl_undead_n21>=1)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n21, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.267516,9932,1,0,17,23951,25,9,291,30187,15
FORMULA Liveness FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 2137 ms.

BK_STOP 1749324878025

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="ZombiesAndSurvivors-PT-Kneser210702080080"
export BK_EXAMINATION="Liveness"
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 ZombiesAndSurvivors-PT-Kneser210702080080, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r259-tall-174931345600394"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Kneser210702080080.tgz
mv ZombiesAndSurvivors-PT-Kneser210702080080 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;