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-177946967700399.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-15, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700399
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 7.9K Mar 6 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 6 13:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 6 13:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 18K Mar 15 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 13:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 6 13:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 13:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 13:26 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 255K 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-15-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-15-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779523735091

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-15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 08:08:56] [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 08:08:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:08:56] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2026-05-23 08:08:56] [INFO ] Transformed 833 places.
[2026-05-23 08:08:56] [INFO ] Transformed 1106 transitions.
[2026-05-23 08:08:56] [INFO ] Found NUPN structural information;
[2026-05-23 08:08:56] [INFO ] Parsed PT model containing 833 places and 1106 transitions and 2980 arcs in 204 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 124 places in 11 ms
Reduce places removed 124 places and 197 transitions.
FORMULA CO4-PT-15-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-15-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-15-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-15-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-15-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (902 resets) in 1774 ms. (22 steps per ms) remains 8/11 properties
FORMULA CO4-PT-15-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-15-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-15-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 08:08:57] [INFO ] Flatten gal took : 199 ms
BEST_FIRST walk for 40003 steps (158 resets) in 430 ms. (92 steps per ms) remains 8/8 properties
[2026-05-23 08:08:57] [INFO ] Flatten gal took : 127 ms
BEST_FIRST walk for 40003 steps (101 resets) in 270 ms. (147 steps per ms) remains 8/8 properties
[2026-05-23 08:08:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3254836603683407873.gal : 68 ms
[2026-05-23 08:08:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13108629094395314510.prop : 2 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/ReachabilityCardinality3254836603683407873.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13108629094395314510.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 40003 steps (159 resets) in 721 ms. (55 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (153 resets) in 111 ms. (357 steps per ms) remains 7/8 properties
FORMULA CO4-PT-15-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality13108629094395314510.prop.
BEST_FIRST walk for 40003 steps (134 resets) in 166 ms. (239 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (154 resets) in 164 ms. (242 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (166 resets) in 120 ms. (330 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (112 resets) in 157 ms. (253 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-14720659641387072348.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2047651856951058881.kers'
[2026-05-23 08:08:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14720659641387072348.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2047651856951058881.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 909 rows 709 cols 2322 entries
Finished phase 1 with 689 SingleSign rule and 8 generalized
[2026-05-23 08:08:57] [INFO ] Computed 12 invariants in 3 ms
Computed 12 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2047651856951058881.kers
Total runtime 5 ms.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :9 after 34
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :34 after 48
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :48 after 73
Excessive predecessor constraint size, skipping predecessor.
Invariant property CO4-PT-15-ReachabilityFireability-2024-07 does not hold.
FORMULA CO4-PT-15-ReachabilityFireability-2024-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :73 after 120
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :120 after 789
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :789 after 1392
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :1392 after 2548
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 116/116 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/116 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem CO4-PT-15-ReachabilityFireability-2024-02 is UNSAT
FORMULA CO4-PT-15-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 541/657 variables, 10/126 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/657 variables, 541/667 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :2548 after 166138
At refinement iteration 4 (INCLUDED_ONLY) 0/657 variables, 0/667 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 3/660 variables, 1/668 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/660 variables, 3/671 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/660 variables, 0/671 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem CO4-PT-15-ReachabilityFireability-2024-13 is UNSAT
FORMULA CO4-PT-15-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 49/709 variables, 1/672 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/709 variables, 49/721 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/709 variables, 0/721 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 909/1618 variables, 709/1430 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1618 variables, 0/1430 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/1618 variables, 0/1430 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1618/1618 variables, and 1430 constraints, problems are : Problem set: 3 solved, 4 unsolved in 2862 ms.
Refiners :[Domain max(s): 709/709 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 709/709 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 68/68 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/68 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 585/653 variables, 9/77 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/653 variables, 585/662 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Reachability property CO4-PT-15-ReachabilityFireability-2024-10 is true.
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :166138 after 1.68189e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/653 variables, 1/663 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/653 variables, 0/663 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 4/657 variables, 2/665 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 4/669 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/657 variables, 0/669 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 52/709 variables, 1/670 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/709 variables, 52/722 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/709 variables, 0/722 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 909/1618 variables, 709/1431 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1618 variables, 2/1433 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1618 variables, 0/1433 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/1618 variables, 0/1433 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1618/1618 variables, and 1433 constraints, problems are : Problem set: 3 solved, 4 unsolved in 3609 ms.
Refiners :[Domain max(s): 709/709 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 709/709 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6614ms problems are : Problem set: 3 solved, 4 unsolved
FORMULA CO4-PT-15-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-15-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA CO4-PT-15-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 83 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=83 )
FORMULA CO4-PT-15-ReachabilityFireability-2024-15 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 609 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 8821 ms.

BK_STOP 1779523745106

--------------------
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-15"
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-15, 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-177946967700399"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-15.tgz
mv CO4-PT-15 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 ;