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.r066-tall-177946967700471.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)
...................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CopsAndRobbers-PT-CRL023X004, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700471
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 9.2K Mar 6 13:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 13:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 13:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 13:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Mar 15 08:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 13:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 6 13:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 6 13:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 122K 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 CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-00
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-01
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-02
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-03
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-04
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-05
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-06
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-07
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-08
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-09
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-10
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-11
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-12
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-13
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-14
FORMULA_NAME CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779530618259

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL023X004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 10:03:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 10:03:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:03:39] [INFO ] Load time of PNML (sax parser for PT used): 60 ms
[2026-05-23 10:03:39] [INFO ] Transformed 125 places.
[2026-05-23 10:03:39] [INFO ] Transformed 165 transitions.
[2026-05-23 10:03:39] [INFO ] Parsed PT model containing 125 places and 165 transitions and 768 arcs in 145 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2026-05-23 10:03:39] [INFO ] Flatten gal took : 62 ms
[2026-05-23 10:03:39] [INFO ] Flatten gal took : 32 ms
RANDOM walk for 40000 steps (8 resets) in 1167 ms. (34 steps per ms) remains 8/16 properties
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 10:03:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8047579415026360282.gal : 38 ms
[2026-05-23 10:03:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14551301285723086981.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/ReachabilityCardinality8047579415026360282.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14551301285723086981.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/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/ReachabilityCardinality14551301285723086981.prop.
BEST_FIRST walk for 40003 steps (9 resets) in 681 ms. (58 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 15
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :15 after 17
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :17 after 310
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :310 after 317
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :317 after 3020
BEST_FIRST walk for 40002 steps (9 resets) in 261 ms. (152 steps per ms) remains 7/8 properties
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :3020 after 104302
BEST_FIRST walk for 40001 steps (9 resets) in 363 ms. (109 steps per ms) remains 7/7 properties
Reachability property CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-08 is true.
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
BEST_FIRST walk for 40003 steps (13 resets) in 285 ms. (139 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (9 resets) in 191 ms. (208 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40001 steps (11 resets) in 240 ms. (165 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (12 resets) in 317 ms. (125 steps per ms) remains 5/6 properties
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (13 resets) in 503 ms. (79 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1002511249230628068.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1455944722344721077.kers'
[2026-05-23 10:03:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1002511249230628068.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1455944722344721077.kers]
Culling duplicate invariants (modulo rational): removing 23 columns.
Culled 23 columns in 0 ms.
// Phase 1: matrix 165 rows 102 cols 515 entries
Finished phase 1 with 98 SingleSign rule and 0 generalized
[2026-05-23 10:03:40] [INFO ] Computed 27 invariants in 0 ms
Computed 27 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-1455944722344721077.kers
Total runtime 13 ms.
[2026-05-23 10:03:41] [INFO ] State equation strengthened by 46 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
Invariant property CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-01 does not hold.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :104302 after 255891
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-00 is UNSAT
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-05 is UNSAT
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-07 is UNSAT
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 44/125 variables, 8/27 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/27 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 165/290 variables, 125/152 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 46/198 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/290 variables, 0/198 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/290 variables, 0/198 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 290/290 variables, and 198 constraints, problems are : Problem set: 3 solved, 2 unsolved in 426 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 125/125 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 5/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 7/7 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-12 is UNSAT
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 72/121 variables, 16/23 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 0/23 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 4/125 variables, 4/27 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/27 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-15 is UNSAT
FORMULA CopsAndRobbers-PT-CRL023X004-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 290/290 variables, and 152 constraints, problems are : Problem set: 5 solved, 0 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 125/125 constraints, ReadFeed: 0/46 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 677ms 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 2280 ms.

BK_STOP 1779530621676

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="CopsAndRobbers-PT-CRL023X004"
export BK_EXAMINATION="ReachabilityFireability"
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 CopsAndRobbers-PT-CRL023X004, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967700471"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL023X004.tgz
mv CopsAndRobbers-PT-CRL023X004 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;