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.r136-smll-177955811100248.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 FlexibleBarrier-PT-14b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100248
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 726K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779618143139

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 10:22:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 10:22:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:22:26] [INFO ] Load time of PNML (sax parser for PT used): 491 ms
[2026-05-24 10:22:26] [INFO ] Transformed 2678 places.
[2026-05-24 10:22:26] [INFO ] Transformed 3085 transitions.
[2026-05-24 10:22:26] [INFO ] Found NUPN structural information;
[2026-05-24 10:22:26] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 800 ms.
Graph (trivial) has 2634 edges and 2678 vertex of which 86 / 2678 are part of one of the 14 SCC in 65 ms
Free SCC test removed 72 places
Structural test allowed to assert that 700 places are NOT stable. Took 158 ms.
Ensure Unique test removed 73 transitions
Reduce redundant transitions removed 73 transitions.
[2026-05-24 10:22:28] [INFO ] Flatten gal took : 808 ms
[2026-05-24 10:22:29] [INFO ] Flatten gal took : 241 ms
[2026-05-24 10:22:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16314060622449823189.gal : 157 ms
[2026-05-24 10:22:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13567641534754651846.prop : 35 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/ReachabilityCardinality16314060622449823189.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13567641534754651846.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/ReachabilityCardinality13567641534754651846.prop.
RANDOM walk for 40000 steps (560 resets) in 11435 ms. (3 steps per ms) remains 1789/1978 properties
BEST_FIRST walk for 123 steps (8 resets) in 31 ms. (3 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 56 ms. (2 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 56 ms. (2 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 61 ms. (1 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 27 ms. (4 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 124 steps (8 resets) in 21 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 124 steps (8 resets) in 19 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 43 ms. (2 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 1789/1789 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1789/1789 properties
[2026-05-24 10:22:30] [INFO ] Flow matrix only has 2999 transitions (discarded 13 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17831945139348508423.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5239836293596415373.kers'
[2026-05-24 10:22:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17831945139348508423.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5239836293596415373.kers]
Normalized transition count is 2998 out of 2999 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 2998 rows 2606 cols 7559 entries
Finished phase 1 with 2590 SingleSign rule and 0 generalized
[2026-05-24 10:22:31] [INFO ] Computed 16 invariants in 27 ms
Computed 16 P flows in 32 ms.
Exported basis to /tmp/petrispot-output-5239836293596415373.kers
Total runtime 37 ms.
[2026-05-24 10:22:31] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1789 variables, 1789/1789 constraints. Problems are: Problem set: 0 solved, 1789 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1789/5605 variables, and 1789 constraints, problems are : Problem set: 0 solved, 1789 unsolved in 5198 ms.
Refiners :[Domain max(s): 1789/2606 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/2606 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1789/1789 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1789 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1789 variables, 1789/1789 constraints. Problems are: Problem set: 0 solved, 1789 unsolved
SDD proceeding with computation,1978 properties remain. new max is 4
SDD size :1 after 5
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1789/5605 variables, and 1789 constraints, problems are : Problem set: 0 solved, 1789 unsolved in 5050 ms.
Refiners :[Domain max(s): 1789/2606 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/2606 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1789 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11505ms problems are : Problem set: 0 solved, 1789 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1789 out of 2606 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2606/2606 places, 3012/3012 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 142 rules applied. Total rules applied 142 place count 2606 transition count 2870
Reduce places removed 128 places and 0 transitions.
Iterating post reduction 1 with 128 rules applied. Total rules applied 270 place count 2478 transition count 2870
Discarding 29 places :
Symmetric choice reduction at 2 with 29 rule applications. Total rules 299 place count 2449 transition count 2841
Iterating global reduction 2 with 29 rules applied. Total rules applied 328 place count 2449 transition count 2841
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 331 place count 2446 transition count 2838
Iterating global reduction 2 with 3 rules applied. Total rules applied 334 place count 2446 transition count 2838
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: 62
Deduced a syphon composed of 62 places in 2 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 2 with 124 rules applied. Total rules applied 458 place count 2384 transition count 2776
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 471 place count 2384 transition count 2763
Free-agglomeration rule applied 535 times.
Iterating global reduction 3 with 535 rules applied. Total rules applied 1006 place count 2384 transition count 2228
Reduce places removed 535 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 539 rules applied. Total rules applied 1545 place count 1849 transition count 2224
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1546 place count 1849 transition count 2224
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1547 place count 1848 transition count 2223
Applied a total of 1547 rules in 1470 ms. Remains 1848 /2606 variables (removed 758) and now considering 2223/3012 (removed 789) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1480 ms. Remains : 1848/2606 places, 2223/3012 transitions.
SDD proceeding with computation,1978 properties remain. new max is 8
SDD size :5 after 10
RANDOM walk for 459061 steps (0 resets) in 20364 ms. (22 steps per ms) remains 0/1789 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1980 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 23478 ms.

BK_STOP 1779618169227

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="FlexibleBarrier-PT-14b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 FlexibleBarrier-PT-14b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r136-smll-177955811100248"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;