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-177946967600295.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 CO4-PT-02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600295
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 6.9K Mar 6 13:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 13:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 13:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 13:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 13:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K Mar 6 13:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 13:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 13:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 74K 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 CO4-PT-02-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-02-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779521098198

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 07:24:59] [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 07:24:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:24:59] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2026-05-23 07:24:59] [INFO ] Transformed 97 places.
[2026-05-23 07:24:59] [INFO ] Transformed 299 transitions.
[2026-05-23 07:24:59] [INFO ] Found NUPN structural information;
[2026-05-23 07:24:59] [INFO ] Parsed PT model containing 97 places and 299 transitions and 1113 arcs in 157 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 59 transitions
Reduce redundant transitions removed 59 transitions.
FORMULA CO4-PT-02-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-02-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 07:25:00] [INFO ] Flatten gal took : 114 ms
[2026-05-23 07:25:00] [INFO ] Flatten gal took : 48 ms
[2026-05-23 07:25:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12097761172602863372.gal : 20 ms
RANDOM walk for 40000 steps (10 resets) in 1713 ms. (23 steps per ms) remains 6/14 properties
FORMULA CO4-PT-02-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-02-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 07:25:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18292571849202673344.prop : 6 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/ReachabilityCardinality12097761172602863372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18292571849202673344.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 ...330
Loading property file /tmp/ReachabilityCardinality18292571849202673344.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 488 ms. (81 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :8 after 9
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :9 after 15
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :15 after 36
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :36 after 99
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :99 after 675
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :675 after 5305
BEST_FIRST walk for 40004 steps (8 resets) in 431 ms. (92 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 269 ms. (148 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 6/6 properties
[2026-05-23 07:25:00] [INFO ] Flow matrix only has 164 transitions (discarded 76 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6717112018703732828.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10715109864671589203.kers'
[2026-05-23 07:25:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6717112018703732828.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10715109864671589203.kers]
Normalized transition count is 163 out of 164 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 163 rows 95 cols 479 entries
Finished phase 1 with 76 SingleSign rule and 9 generalized
[2026-05-23 07:25:00] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10715109864671589203.kers
Total runtime 1 ms.
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :5305 after 45969
[2026-05-23 07:25:00] [INFO ] State equation strengthened by 43 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem CO4-PT-02-ReachabilityFireability-2024-01 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-02-ReachabilityFireability-2024-05 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-02-ReachabilityFireability-2024-11 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 27/91 variables, 8/74 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 27/101 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 1/102 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/102 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1/92 variables, 1/103 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 1/104 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/104 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 163/255 variables, 92/196 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/255 variables, 42/238 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/255 variables, 0/238 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 5/260 variables, 5/243 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 5/248 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/260 variables, 0/248 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 1/261 variables, 1/249 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/261 variables, 0/249 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/261 variables, 0/249 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 249 constraints, problems are : Problem set: 3 solved, 3 unsolved in 791 ms.
Refiners :[Domain max(s): 97/97 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 97/97 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 6/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 2/52 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/52 constraints. Problems are: Problem set: 3 solved, 3 unsolved
Problem CO4-PT-02-ReachabilityFireability-2024-02 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 36/86 variables, 8/60 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 36/96 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 1/97 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 0/97 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/87 variables, 1/98 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/87 variables, 1/99 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/87 variables, 0/99 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 162/249 variables, 87/186 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/249 variables, 42/228 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 0/228 constraints. Problems are: Problem set: 4 solved, 2 unsolved
Problem CO4-PT-02-ReachabilityFireability-2024-06 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-02-ReachabilityFireability-2024-08 is UNSAT
FORMULA CO4-PT-02-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 260/261 variables, and 238 constraints, problems are : Problem set: 6 solved, 0 unsolved in 384 ms.
Refiners :[Domain max(s): 87/97 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 97/97 constraints, ReadFeed: 42/43 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1297ms problems are : Problem set: 6 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 2630 ms.

BK_STOP 1779521102030

--------------------
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="CO4-PT-02"
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 CO4-PT-02, 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-177946967600295"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-02.tgz
mv CO4-PT-02 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 ;