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-177946846800467.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)
............................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CANInsertWithFailure-PT-060, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846800467
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 23M
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Mar 6 10:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 10:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 10:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K 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 3.1K Mar 15 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 10:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 6 10:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 10:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 10:11 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 22M 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 1779483705438

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-060
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 21:01:46] [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 21:01:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:01:47] [INFO ] Load time of PNML (sax parser for PT used): 646 ms
[2026-05-22 21:01:47] [INFO ] Transformed 7924 places.
[2026-05-22 21:01:47] [INFO ] Transformed 21960 transitions.
[2026-05-22 21:01:47] [INFO ] Parsed PT model containing 7924 places and 21960 transitions and 58800 arcs in 844 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7924/7924 places, 21960/21960 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 420 transitions
Trivial Post-agglo rules discarded 420 transitions
Performed 420 trivial Post agglomeration. Transition count delta: 420
Iterating post reduction 0 with 421 rules applied. Total rules applied 421 place count 7923 transition count 21540
Reduce places removed 420 places and 0 transitions.
Iterating post reduction 1 with 420 rules applied. Total rules applied 841 place count 7503 transition count 21540
Performed 3540 Post agglomeration using F-continuation condition.Transition count delta: 3540
Deduced a syphon composed of 3540 places in 29 ms
Reduce places removed 3540 places and 0 transitions.
Iterating global reduction 2 with 7080 rules applied. Total rules applied 7921 place count 3963 transition count 18000
Applied a total of 7921 rules in 1653 ms. Remains 3963 /7924 variables (removed 3961) and now considering 18000/21960 (removed 3960) transitions.
[2026-05-22 21:01:49] [INFO ] Flow matrix only has 14578 transitions (discarded 3422 similar events)
// Phase 1: matrix 14578 rows 3963 cols
[2026-05-22 21:01:50] [INFO ] Computed 62 invariants in 1250 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:01:55] [INFO ] Implicit Places using invariants in 5861 ms returned []
Implicit Place search using SMT only with invariants took 5901 ms to find 0 implicit places.
Running 17940 sub problems to find dead transitions.
[2026-05-22 21:01:55] [INFO ] Flow matrix only has 14578 transitions (discarded 3422 similar events)
[2026-05-22 21:01:55] [INFO ] Invariant cache hit.
[2026-05-22 21:01:55] [INFO ] State equation strengthened by 10738 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)
(s1 1.0)
(s3 0.0)
(s4 1.0)
(s5 0.0)
(s6 1.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 1.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 1.0)
(s17 1.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 1.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 1.0)
(s29 0.0)timeout

(s30 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/3962 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 17940 unsolved
SMT process timed out in 58433ms, After SMT, problems are : Problem set: 0 solved, 17940 unsolved
Search for dead transitions found 0 dead transitions in 58546ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3963/7924 places, 18000/21960 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 66205 ms. Remains : 3963/7924 places, 18000/21960 transitions.
Discarding 10560 transitions out of 18000. Remains 7440
Initial state reduction rules removed 60 formulas.
[2026-05-22 21:02:56] [INFO ] Flatten gal took : 1501 ms
[2026-05-22 21:02:57] [INFO ] Flatten gal took : 669 ms
[2026-05-22 21:02:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13939252543665252678.gal : 220 ms
[2026-05-22 21:02:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6261600000092916468.prop : 54 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/ReachabilityCardinality13939252543665252678.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6261600000092916468.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/ReachabilityCardinality6261600000092916468.prop.
RANDOM walk for 40000 steps (130 resets) in 32276 ms. (1 steps per ms) remains 166/7380 properties
BEST_FIRST walk for 404 steps (4 resets) in 23 ms. (16 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 17 ms. (22 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 16 ms. (23 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 5 ms. (67 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 5 ms. (67 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 15 ms. (25 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 14 ms. (26 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 4 ms. (80 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 4 ms. (80 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (4 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
[2026-05-22 21:03:02] [INFO ] Flow matrix only has 14578 transitions (discarded 3422 similar events)
[2026-05-22 21:03:02] [INFO ] Invariant cache hit.
[2026-05-22 21:03:02] [INFO ] State equation strengthened by 10738 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 166 unsolved
At refinement iteration 1 (OVERLAPS) 3716/3923 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 166 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:06] [INFO ] Deduced a trap composed of 2 places in 897 ms of which 43 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3923/18541 variables, and 42 constraints, problems are : Problem set: 0 solved, 166 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 41/60 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/3963 constraints, ReadFeed: 0/10738 constraints, PredecessorRefiner: 166/166 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 166 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/207 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 166 unsolved
At refinement iteration 1 (OVERLAPS) 3716/3923 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 166 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3923 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 166 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3923/18541 variables, and 42 constraints, problems are : Problem set: 0 solved, 166 unsolved in 5033 ms.
Refiners :[Positive P Invariants (semi-flows): 41/60 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/3963 constraints, ReadFeed: 0/10738 constraints, PredecessorRefiner: 0/166 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10527ms problems are : Problem set: 0 solved, 166 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 207 out of 3963 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3963/3963 places, 18000/18000 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 3422 transitions
Redundant transition composition rules discarded 3422 transitions
Iterating global reduction 0 with 3422 rules applied. Total rules applied 3422 place count 3963 transition count 14578
Partial Free-agglomeration rule applied 3449 times.
Drop transitions (Partial Free agglomeration) removed 3449 transitions
Iterating global reduction 0 with 3449 rules applied. Total rules applied 6871 place count 3963 transition count 14578
Applied a total of 6871 rules in 3376 ms. Remains 3963 /3963 variables (removed 0) and now considering 14578/18000 (removed 3422) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3379 ms. Remains : 3963/3963 places, 14578/18000 transitions.
RANDOM walk for 460054 steps (1681 resets) in 14062 ms. (32 steps per ms) remains 0/166 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 7440 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 94941 ms.

BK_STOP 1779483801826

--------------------
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-060"
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-060, 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-177946846800467"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-060.tgz
mv CANInsertWithFailure-PT-060 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 ;