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-177946967700415.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CO4-PT-17, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 716K
-rw-r--r-- 1 mcc users 6.3K Mar 6 13:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 13:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 13:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 13:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 08:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K Mar 6 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:32 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 248K 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-17-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-17-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779525077118

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-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 08:31:18] [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 08:31:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:31:18] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2026-05-23 08:31:18] [INFO ] Transformed 967 places.
[2026-05-23 08:31:18] [INFO ] Transformed 1150 transitions.
[2026-05-23 08:31:18] [INFO ] Found NUPN structural information;
[2026-05-23 08:31:18] [INFO ] Parsed PT model containing 967 places and 1150 transitions and 2568 arcs in 215 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 198 places in 12 ms
Reduce places removed 198 places and 238 transitions.
FORMULA CO4-PT-17-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 08:31:19] [INFO ] Flatten gal took : 166 ms
[2026-05-23 08:31:19] [INFO ] Flatten gal took : 64 ms
RANDOM walk for 40000 steps (80 resets) in 1562 ms. (25 steps per ms) remains 7/10 properties
FORMULA CO4-PT-17-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-17-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-17-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 08:31:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4094075109849933651.gal : 73 ms
[2026-05-23 08:31:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16429430011194768331.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/ReachabilityCardinality4094075109849933651.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16429430011194768331.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
BEST_FIRST walk for 40000 steps (50 resets) in 527 ms. (75 steps per ms) remains 6/7 properties
FORMULA CO4-PT-17-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality16429430011194768331.prop.
BEST_FIRST walk for 40000 steps (61 resets) in 335 ms. (119 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (94 resets) in 189 ms. (210 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (63 resets) in 237 ms. (168 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (90 resets) in 166 ms. (239 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (55 resets) in 141 ms. (281 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17449445862037790365.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6083850184478709172.kers'
[2026-05-23 08:31:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17449445862037790365.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6083850184478709172.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 912 rows 769 cols 2050 entries
SDD proceeding with computation,7 properties remain. new max is 4
Finished phase 1 with 760 SingleSign rule and 0 generalized
[2026-05-23 08:31:19] [INFO ] Computed 9 invariants in 4 ms
Computed 9 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-6083850184478709172.kers
Total runtime 5 ms.
SDD size :1 after 5
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :9 after 10
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :14 after 21
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :21 after 31
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :31 after 120
Reachability property CO4-PT-17-ReachabilityFireability-2024-04 is true.
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :120 after 159
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :159 after 205
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :205 after 772
Reachability property CO4-PT-17-ReachabilityFireability-2024-11 is true.
FORMULA CO4-PT-17-ReachabilityFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :772 after 1092
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 33/33 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1092 after 10313
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :10313 after 239946
At refinement iteration 2 (OVERLAPS) 713/746 variables, 4/37 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/746 variables, 713/750 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Invariant property CO4-PT-17-ReachabilityFireability-2024-00 does not hold.
FORMULA CO4-PT-17-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :239946 after 259197
At refinement iteration 4 (INCLUDED_ONLY) 0/746 variables, 0/750 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 23/769 variables, 5/755 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/769 variables, 23/778 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/769 variables, 0/778 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Invariant property CO4-PT-17-ReachabilityFireability-2024-06 does not hold.
FORMULA CO4-PT-17-ReachabilityFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :259197 after 2.02516e+06
At refinement iteration 8 (OVERLAPS) 912/1681 variables, 769/1547 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1681 variables, 0/1547 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/1681 variables, 0/1547 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1681/1681 variables, and 1547 constraints, problems are : Problem set: 3 solved, 3 unsolved in 1211 ms.
Refiners :[Domain max(s): 769/769 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 769/769 constraints, PredecessorRefiner: 6/5 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) 0/4 variables, 4/4 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 487/491 variables, 2/6 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/491 variables, 487/493 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/491 variables, 0/493 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 278/769 variables, 7/500 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/769 variables, 278/778 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/769 variables, 0/778 constraints. Problems are: Problem set: 3 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :2.02516e+06 after 4.54171e+06
At refinement iteration 8 (OVERLAPS) 912/1681 variables, 769/1547 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1681 variables, 3/1550 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1681 variables, 0/1550 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1681 variables, 0/1550 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1681/1681 variables, and 1550 constraints, problems are : Problem set: 3 solved, 3 unsolved in 1322 ms.
Refiners :[Domain max(s): 769/769 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 769/769 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2656ms problems are : Problem set: 3 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :4.54171e+06 after 8.42653e+07
FORMULA CO4-PT-17-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-17-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 87 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=43 )
FORMULA CO4-PT-17-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 99 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 4228 ms.

BK_STOP 1779525082535

--------------------
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-17"
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-17, 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-177946967700415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-17.tgz
mv CO4-PT-17 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 ;