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-177946846800472.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-070, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846800472
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 30M
-rw-r--r-- 1 mcc users 10K Mar 6 10:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 10:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 10:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 10:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 10:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:55 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 30M 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 1779483758907

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-070
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 21:02:40] [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 21:02:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:02:41] [INFO ] Load time of PNML (sax parser for PT used): 867 ms
[2026-05-22 21:02:41] [INFO ] Transformed 10644 places.
[2026-05-22 21:02:41] [INFO ] Transformed 29820 transitions.
[2026-05-22 21:02:41] [INFO ] Parsed PT model containing 10644 places and 29820 transitions and 79800 arcs in 1150 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 10644/10644 places, 29820/29820 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 490 transitions
Trivial Post-agglo rules discarded 490 transitions
Performed 490 trivial Post agglomeration. Transition count delta: 490
Iterating post reduction 0 with 491 rules applied. Total rules applied 491 place count 10643 transition count 29330
Reduce places removed 490 places and 0 transitions.
Iterating post reduction 1 with 490 rules applied. Total rules applied 981 place count 10153 transition count 29330
Performed 4830 Post agglomeration using F-continuation condition.Transition count delta: 4830
Deduced a syphon composed of 4830 places in 35 ms
Reduce places removed 4830 places and 0 transitions.
Iterating global reduction 2 with 9660 rules applied. Total rules applied 10641 place count 5323 transition count 24500
Applied a total of 10641 rules in 2755 ms. Remains 5323 /10644 variables (removed 5321) and now considering 24500/29820 (removed 5320) transitions.
[2026-05-22 21:02:44] [INFO ] Flow matrix only has 19808 transitions (discarded 4692 similar events)
// Phase 1: matrix 19808 rows 5323 cols
[2026-05-22 21:02:46] [INFO ] Computed 72 invariants in 1871 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:02:54] [INFO ] Implicit Places using invariants in 10042 ms returned []
Implicit Place search using SMT only with invariants took 10085 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 21:02:54] [INFO ] Flow matrix only has 19808 transitions (discarded 4692 similar events)
[2026-05-22 21:02:54] [INFO ] Invariant cache hit.
[2026-05-22 21:02:54] [INFO ] State equation strengthened by 14628 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s450 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 83657ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 83852ms
Starting structural reductions in LIVENESS mode, iteration 1 : 5323/10644 places, 24500/29820 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 96805 ms. Remains : 5323/10644 places, 24500/29820 transitions.
Discarding 14420 transitions out of 24500. Remains 10080
Initial state reduction rules removed 70 formulas.
RANDOM walk for 40000 steps (112 resets) in 6707 ms. (5 steps per ms) remains 1951/10010 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 22 ms. (5 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 60 ms. (2 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 1951/1951 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 1951/1951 properties
[2026-05-22 21:04:21] [INFO ] Flow matrix only has 19808 transitions (discarded 4692 similar events)
[2026-05-22 21:04:21] [INFO ] Invariant cache hit.
[2026-05-22 21:04:21] [INFO ] State equation strengthened by 14628 read => feed constraints.
[2026-05-22 21:04:21] [INFO ] Flatten gal took : 1098 ms
[2026-05-22 21:04:22] [INFO ] Flatten gal took : 617 ms
[2026-05-22 21:04:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7405069531160896119.gal : 233 ms
[2026-05-22 21:04:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8113954580987125690.prop : 19 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/ReachabilityCardinality7405069531160896119.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8113954580987125690.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 ...328
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality8113954580987125690.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1967/25131 variables, and 0 constraints, problems are : Problem set: 0 solved, 1951 unsolved in 5054 ms.
Refiners :[Positive P Invariants (semi-flows): 0/70 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/5323 constraints, ReadFeed: 0/14628 constraints, PredecessorRefiner: 1951/1951 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1951 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1967/25131 variables, and 0 constraints, problems are : Problem set: 0 solved, 1951 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/70 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/5323 constraints, ReadFeed: 0/14628 constraints, PredecessorRefiner: 0/1951 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15041ms problems are : Problem set: 0 solved, 1951 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1967 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Partial Free-agglomeration rule applied 3067 times.
Drop transitions (Partial Free agglomeration) removed 3067 transitions
Iterating global reduction 0 with 3067 rules applied. Total rules applied 3067 place count 5323 transition count 24500
Applied a total of 3067 rules in 1503 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1508 ms. Remains : 5323/5323 places, 24500/24500 transitions.
RANDOM walk for 915684 steps (2349 resets) in 52497 ms. (17 steps per ms) remains 0/1951 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 10080 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 132226 ms.

BK_STOP 1779483892685

--------------------
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-070"
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-070, 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-177946846800472"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-070.tgz
mv CANInsertWithFailure-PT-070 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 ;