fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r259-tall-174931345700404
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Kneser350703100100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 52470.00 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-174931345700404.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-Kneser350703100100, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r259-tall-174931345700404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 10K Jun 6 09:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Jun 6 09:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 12:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 12:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 18K Jun 6 09:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Jun 6 09:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Jun 6 09:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Jun 6 12:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Jun 6 12:26 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 142K 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 1749324905713

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-Kneser350703100100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-07 19:35:06] [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 19:35:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:35:07] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2025-06-07 19:35:07] [INFO ] Transformed 70 places.
[2025-06-07 19:35:07] [INFO ] Transformed 350 transitions.
[2025-06-07 19:35:07] [INFO ] Parsed PT model containing 70 places and 350 transitions and 770 arcs in 174 ms.
Discarding 315 transitions out of 350. Remains 35
Built sparse matrix representations for Structural reductions in 6 ms.15507KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 350/350 transitions.
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Applied a total of 0 rules in 21 ms. Remains 70 /70 variables (removed 0) and now considering 350/350 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 34 ms. Remains : 70/70 places, 350/350 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 70/70 places, 350/350 transitions.
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Computed a total of 0 stabilizing places and 35 stable transitions
Applied a total of 0 rules in 11 ms. Remains 70 /70 variables (removed 0) and now considering 350/350 (removed 0) transitions.
// Phase 1: matrix 350 rows 70 cols
[2025-06-07 19:35:07] [INFO ] Computed 0 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:07] [INFO ] Implicit Places using invariants in 163 ms returned []
[2025-06-07 19:35:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:07] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 19:35:07] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:35:07] [INFO ] Redundant transitions in 19 ms returned []
Running 342 sub problems to find dead transitions.
[2025-06-07 19:35:07] [INFO ] Invariant cache hit.
[2025-06-07 19:35:07] [INFO ] State equation strengthened by 68 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (OVERLAPS) 350/420 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 68/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/420 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (OVERLAPS) 0/420 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 138 constraints, problems are : Problem set: 0 solved, 342 unsolved in 18256 ms.
Refiners :[State Equation: 70/70 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (OVERLAPS) 350/420 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 68/138 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/420 variables, 342/480 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/420 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 420/420 variables, and 480 constraints, problems are : Problem set: 0 solved, 342 unsolved in 30029 ms.
Refiners :[State Equation: 70/70 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48424ms problems are : Problem set: 0 solved, 342 unsolved
Search for dead transitions found 0 dead transitions in 48433ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 48909 ms. Remains : 70/70 places, 350/350 transitions.
Random walk for 1250089 steps, including 0 resets, run took 164 ms (no deadlock found). (steps per millisecond=7622 )
Random directed walk for 1250039 steps, including 0 resets, run took 215 ms (no deadlock found). (steps per millisecond=5814 )
[2025-06-07 19:35:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-07 19:35:56] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-07 19:35:56] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 19:35:56] [INFO ] [Real]Added 68 Read/Feed constraints in 18 ms returned sat
[2025-06-07 19:35:56] [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 19:35:56] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-07 19:35:56] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-07 19:35:56] [INFO ] [Nat]Added 68 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:35:56] [INFO ] Deduced a trap composed of 70 places in 83 ms of which 7 ms to minimize.
[2025-06-07 19:35:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 105 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 70/70 places, 350/350 transitions.
Graph (trivial) has 280 edges and 70 vertex of which 70 / 70 are part of one of the 2 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Applied a total of 1 rules in 9 ms. Remains 2 /70 variables (removed 68) and now considering 4/350 (removed 346) transitions.
[2025-06-07 19:35:56] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:35:56] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:56] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 19:35:56] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:35:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:56] [INFO ] Implicit Places using invariants and state equation in 20 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 : 2/70 places, 4/350 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 48 ms. Remains : 2/70 places, 4/350 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 : 70/70 places, 350/350 transitions.
Graph (trivial) has 280 edges and 70 vertex of which 70 / 70 are part of one of the 2 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 346 transitions
Reduce isomorphic transitions removed 346 transitions.
Applied a total of 1 rules in 2 ms. Remains 2 /70 variables (removed 68) and now considering 4/350 (removed 346) transitions.
[2025-06-07 19:35:56] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:35:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:56] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 19:35:56] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:35:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:35:57] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 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 : 2/70 places, 4/350 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 41 ms. Remains : 2/70 places, 4/350 transitions.
Discarding 3 transitions out of 4. Remains 1
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-07 19:35:57] [INFO ] Flatten gal took : 11 ms
[2025-06-07 19:35:57] [INFO ] Flatten gal took : 1 ms
[2025-06-07 19:35:57] [INFO ] Time to serialize gal into /tmp/CTLFireability7865024403179785541.gal : 2 ms
[2025-06-07 19:35:57] [INFO ] Time to serialize properties into /tmp/CTLFireability8324538725077521779.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/CTLFireability7865024403179785541.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8324538725077521779.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,15249,0.456787,13216,2,104,5,36941,6,0,13,46737,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n35==100)&&(pl_undead_n35==100))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n35==100)&&(pl_undead_n35==100)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n35, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.471214,13472,1,0,15,36941,25,8,354,46737,14
[2025-06-07 19:35:57] [INFO ] Flatten gal took : 1 ms
[2025-06-07 19:35:57] [INFO ] Flatten gal took : 6 ms
[2025-06-07 19:35:57] [INFO ] Time to serialize gal into /tmp/CTLFireability9638046967056356489.gal : 0 ms
[2025-06-07 19:35:57] [INFO ] Time to serialize properties into /tmp/CTLFireability10573267930587665674.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/CTLFireability9638046967056356489.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10573267930587665674.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 -...284
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,15249,0.428934,13260,2,104,5,36941,6,0,13,46737,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n35>=1)&&(pl_undead_n35>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n35>=1)&&(pl_undead_n35>=1)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n35, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.450252,13516,1,0,17,36941,25,9,351,46737,15
FORMULA Liveness FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE
Total runtime 51167 ms.

BK_STOP 1749324958183

--------------------
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-Kneser350703100100"
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-Kneser350703100100, 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-174931345700404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Kneser350703100100.tgz
mv ZombiesAndSurvivors-PT-Kneser350703100100 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 ;