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.r048-tall-177946846800482.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 gold2025
Input is CANInsertWithFailure-PT-090, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846800482
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 50M
-rw-r--r-- 1 mcc users 9.7K Mar 6 10:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 10:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 10:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 6 10:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:56 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 49M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779483899081

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-090
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 21:05:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 21:05:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:05:01] [INFO ] Load time of PNML (sax parser for PT used): 1052 ms
[2026-05-22 21:05:01] [INFO ] Transformed 17284 places.
[2026-05-22 21:05:01] [INFO ] Transformed 49140 transitions.
[2026-05-22 21:05:01] [INFO ] Parsed PT model containing 17284 places and 49140 transitions and 131400 arcs in 1287 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 17284/17284 places, 49140/49140 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 630 transitions
Trivial Post-agglo rules discarded 630 transitions
Performed 630 trivial Post agglomeration. Transition count delta: 630
Iterating post reduction 0 with 631 rules applied. Total rules applied 631 place count 17283 transition count 48510
Reduce places removed 630 places and 0 transitions.
Iterating post reduction 1 with 630 rules applied. Total rules applied 1261 place count 16653 transition count 48510
Performed 8010 Post agglomeration using F-continuation condition.Transition count delta: 8010
Deduced a syphon composed of 8010 places in 57 ms
Reduce places removed 8010 places and 0 transitions.
Iterating global reduction 2 with 16020 rules applied. Total rules applied 17281 place count 8643 transition count 40500
Applied a total of 17281 rules in 5083 ms. Remains 8643 /17284 variables (removed 8641) and now considering 40500/49140 (removed 8640) transitions.
[2026-05-22 21:05:06] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
// Phase 1: matrix 32668 rows 8643 cols
[2026-05-22 21:05:15] [INFO ] Computed 92 invariants in 8222 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:05:33] [INFO ] Implicit Places using invariants in 26479 ms returned []
Implicit Place search using SMT only with invariants took 26509 ms to find 0 implicit places.
Running 40410 sub problems to find dead transitions.
[2026-05-22 21:05:33] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2026-05-22 21:05:33] [INFO ] Invariant cache hit.
[2026-05-22 21:05:33] [INFO ] State equation strengthened by 24208 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8642 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40410 unsolved
SMT process timed out in 182929ms, After SMT, problems are : Problem set: 0 solved, 40410 unsolved
Search for dead transitions found 0 dead transitions in 183101ms
Starting structural reductions in LIVENESS mode, iteration 1 : 8643/17284 places, 40500/49140 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 214849 ms. Remains : 8643/17284 places, 40500/49140 transitions.
Discarding 23940 transitions out of 40500. Remains 16560
Initial state reduction rules removed 90 formulas.
RANDOM walk for 40000 steps (87 resets) in 6751 ms. (5 steps per ms) remains 6461/16470 properties
BEST_FIRST walk for 124 steps (0 resets) in 34 ms. (3 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 30 ms. (4 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 6461/6461 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 6461/6461 properties
[2026-05-22 21:08:39] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2026-05-22 21:08:39] [INFO ] Invariant cache hit.
[2026-05-22 21:08:39] [INFO ] State equation strengthened by 24208 read => feed constraints.
[2026-05-22 21:08:39] [INFO ] Flatten gal took : 1616 ms
[2026-05-22 21:08:40] [INFO ] Flatten gal took : 744 ms
[2026-05-22 21:08:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7184715590319567482.gal : 298 ms
[2026-05-22 21:08:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16094181471963783455.prop : 32 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7184715590319567482.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16094181471963783455.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16094181471963783455.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5174/41311 variables, and 0 constraints, problems are : Problem set: 0 solved, 6461 unsolved in 5081 ms.
Refiners :[Positive P Invariants (semi-flows): 0/90 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8643 constraints, ReadFeed: 0/24208 constraints, PredecessorRefiner: 6461/6461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6461 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5174/41311 variables, and 0 constraints, problems are : Problem set: 0 solved, 6461 unsolved in 5070 ms.
Refiners :[Positive P Invariants (semi-flows): 0/90 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8643 constraints, ReadFeed: 0/24208 constraints, PredecessorRefiner: 0/6461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33517ms problems are : Problem set: 0 solved, 6461 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5174 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Partial Free-agglomeration rule applied 3112 times.
Drop transitions (Partial Free agglomeration) removed 3112 transitions
Iterating global reduction 0 with 3112 rules applied. Total rules applied 3112 place count 8643 transition count 40500
Applied a total of 3112 rules in 1884 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1886 ms. Remains : 8643/8643 places, 40500/40500 transitions.
RANDOM walk for 1005737 steps (2090 resets) in 120004 ms. (8 steps per ms) remains 0/6461 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 16560 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 284386 ms.

BK_STOP 1779484184830

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="CANInsertWithFailure-PT-090"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is CANInsertWithFailure-PT-090, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r048-tall-177946846800482"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-090.tgz
mv CANInsertWithFailure-PT-090 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;