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-177946967700383.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-13, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700383
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 5.5K Mar 6 13:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 6 13:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 13:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 13:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 13:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 13:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 13:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 13:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:31 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 191K 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-13-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-13-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779523197989

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-13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 07:59:59] [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 07:59:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:59:59] [INFO ] Load time of PNML (sax parser for PT used): 94 ms
[2026-05-23 07:59:59] [INFO ] Transformed 649 places.
[2026-05-23 07:59:59] [INFO ] Transformed 816 transitions.
[2026-05-23 07:59:59] [INFO ] Found NUPN structural information;
[2026-05-23 07:59:59] [INFO ] Parsed PT model containing 649 places and 816 transitions and 2232 arcs in 181 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 172 places in 11 ms
Reduce places removed 172 places and 227 transitions.
FORMULA CO4-PT-13-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-13-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (269 resets) in 1217 ms. (32 steps per ms) remains 10/11 properties
FORMULA CO4-PT-13-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 07:59:59] [INFO ] Flatten gal took : 124 ms
[2026-05-23 07:59:59] [INFO ] Flatten gal took : 102 ms
BEST_FIRST walk for 40000 steps (150 resets) in 393 ms. (101 steps per ms) remains 9/10 properties
FORMULA CO4-PT-13-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 07:59:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality920604604796261506.gal : 40 ms
[2026-05-23 07:59:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9277647610720387244.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality920604604796261506.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9277647610720387244.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (222 resets) in 219 ms. (181 steps per ms) remains 9/9 properties

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 ...327
BEST_FIRST walk for 40003 steps (231 resets) in 145 ms. (273 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality9277647610720387244.prop.
BEST_FIRST walk for 40002 steps (196 resets) in 131 ms. (303 steps per ms) remains 8/9 properties
FORMULA CO4-PT-13-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (167 resets) in 184 ms. (216 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :8 after 9
BEST_FIRST walk for 40000 steps (269 resets) in 175 ms. (227 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :9 after 14
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :14 after 72
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :72 after 83
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :83 after 101
Invariant property CO4-PT-13-ReachabilityFireability-2024-02 does not hold.
FORMULA CO4-PT-13-ReachabilityFireability-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :101 after 137
BEST_FIRST walk for 40001 steps (188 resets) in 136 ms. (291 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :137 after 163
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :163 after 428
Invariant property CO4-PT-13-ReachabilityFireability-2024-11 does not hold.
FORMULA CO4-PT-13-ReachabilityFireability-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :428 after 37492
BEST_FIRST walk for 40002 steps (169 resets) in 248 ms. (160 steps per ms) remains 7/8 properties
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :37492 after 37559
BEST_FIRST walk for 40000 steps (89 resets) in 158 ms. (251 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1388828528276716612.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8833084501635957892.kers'
[2026-05-23 08:00:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1388828528276716612.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8833084501635957892.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 589 rows 477 cols 1578 entries
Finished phase 1 with 458 SingleSign rule and 10 generalized
[2026-05-23 08:00:00] [INFO ] Computed 9 invariants in 2 ms
Computed 9 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-8833084501635957892.kers
Total runtime 3 ms.
Reachability property CO4-PT-13-ReachabilityFireability-2024-15 is true.
FORMULA CO4-PT-13-ReachabilityFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CO4-PT-13-ReachabilityFireability-2024-03 is true.
FORMULA CO4-PT-13-ReachabilityFireability-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :37559 after 38171
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/31 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Problem CO4-PT-13-ReachabilityFireability-2024-13 is UNSAT
FORMULA CO4-PT-13-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 376/407 variables, 8/39 constraints. Problems are: Problem set: 3 solved, 3 unsolved
Invariant property CO4-PT-13-ReachabilityFireability-2024-00 does not hold.
FORMULA CO4-PT-13-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :38171 after 205615
At refinement iteration 3 (INCLUDED_ONLY) 0/407 variables, 376/415 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 0/415 constraints. Problems are: Problem set: 4 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :205615 after 711560
At refinement iteration 5 (OVERLAPS) 70/477 variables, 1/416 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/477 variables, 70/486 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/477 variables, 0/486 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 589/1066 variables, 477/963 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1066 variables, 0/963 constraints. Problems are: Problem set: 4 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :711560 after 1.36986e+06
At refinement iteration 10 (OVERLAPS) 0/1066 variables, 0/963 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1066/1066 variables, and 963 constraints, problems are : Problem set: 4 solved, 2 unsolved in 636 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 388/398 variables, 6/16 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/398 variables, 388/404 constraints. Problems are: Problem set: 4 solved, 2 unsolved
Problem CO4-PT-13-ReachabilityFireability-2024-09 is UNSAT
FORMULA CO4-PT-13-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/398 variables, 2/406 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 0/406 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/404 variables, 2/408 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/404 variables, 6/414 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/404 variables, 0/414 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/477 variables, 1/415 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 73/488 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 0/488 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 589/1066 variables, 477/965 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1066 variables, 1/966 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1066 variables, 0/966 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1066 variables, 0/966 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1066/1066 variables, and 966 constraints, problems are : Problem set: 5 solved, 1 unsolved in 920 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 1/5 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1632ms problems are : Problem set: 5 solved, 1 unsolved
Finished Parikh walk after 3396 steps, including 66 resets, run visited all 1 properties in 10 ms. (steps per millisecond=339 )
FORMULA CO4-PT-13-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 15 ms.
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 2999 ms.

BK_STOP 1779523202107

--------------------
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-13"
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-13, 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-177946967700383"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-13.tgz
mv CO4-PT-13 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 ;