Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372600097.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Anderson-PT-05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372600097
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 9.1K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:02 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 185K 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 1779686758612

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:26:00] [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]
[2026-05-25 05:26:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:26:00] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2026-05-25 05:26:00] [INFO ] Transformed 161 places.
[2026-05-25 05:26:00] [INFO ] Transformed 365 transitions.
[2026-05-25 05:26:00] [INFO ] Found NUPN structural information;
[2026-05-25 05:26:00] [INFO ] Parsed PT model containing 161 places and 365 transitions and 1380 arcs in 206 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 161/161 places, 365/365 transitions.
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 161 transition count 345
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 141 transition count 345
Applied a total of 40 rules in 31 ms. Remains 141 /161 variables (removed 20) and now considering 345/365 (removed 20) transitions.
// Phase 1: matrix 345 rows 141 cols
[2026-05-25 05:26:00] [INFO ] Computed 13 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:26:02] [INFO ] Implicit Places using invariants in 1921 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1958 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 140/161 places, 345/365 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 140 transition count 320
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 50 place count 115 transition count 320
Applied a total of 50 rules in 17 ms. Remains 115 /140 variables (removed 25) and now considering 320/345 (removed 25) transitions.
// Phase 1: matrix 320 rows 115 cols
[2026-05-25 05:26:02] [INFO ] Computed 12 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:26:03] [INFO ] Implicit Places using invariants in 1193 ms returned []
[2026-05-25 05:26:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:26:04] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-25 05:26:04] [INFO ] Implicit Places using invariants and state equation in 721 ms returned []
Implicit Place search using SMT with State Equation took 1917 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 115/161 places, 320/365 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 3943 ms. Remains : 115/161 places, 320/365 transitions.
Initial state reduction rules removed 5 formulas.
RANDOM walk for 40000 steps (8 resets) in 1936 ms. (20 steps per ms) remains 21/315 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 18/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4002 steps (8 resets) in 21 ms. (181 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 14/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 11/13 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 8/10 properties
[2026-05-25 05:26:05] [INFO ] Flatten gal took : 105 ms
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 6/8 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 5/5 properties
[2026-05-25 05:26:05] [INFO ] Flatten gal took : 37 ms
[2026-05-25 05:26:05] [INFO ] Invariant cache hit.
[2026-05-25 05:26:05] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:26:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4373230870303314185.gal : 34 ms
[2026-05-25 05:26:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6208714202779266132.prop : 1 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/ReachabilityCardinality4373230870303314185.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6208714202779266132.prop' '--nowitness' '--gen-order' 'FOLLOW'

At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
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
At refinement iteration 2 (OVERLAPS) 55/61 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Loading property file /tmp/ReachabilityCardinality6208714202779266132.prop.
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 55/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :6 after 18
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :18 after 116
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :116 after 340
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 43/104 variables, 6/70 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :340 after 1062
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 43/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :1062 after 1638
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 11/115 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :1638 after 2594
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 11/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:26:05] [INFO ] Deduced a trap composed of 20 places in 108 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/115 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 320/435 variables, 115/243 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 1024
At refinement iteration 13 (INCLUDED_ONLY) 0/435 variables, 35/278 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD size :2594 after 7466
At refinement iteration 14 (INCLUDED_ONLY) 0/435 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/435 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :7466 after 8815
After SMT solving in domain Real declared 435/435 variables, and 278 constraints, problems are : Problem set: 0 solved, 5 unsolved in 777 ms.
Refiners :[Domain max(s): 115/115 constraints, Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 115/115 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 55/61 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 55/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 43/104 variables, 6/70 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 43/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 11/115 variables, 3/116 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 11/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/115 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 320/435 variables, 115/243 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/435 variables, 35/278 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/435 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Reachability property qltransition_197 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_53 is true.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8815 after 14003
At refinement iteration 15 (INCLUDED_ONLY) 0/435 variables, 0/283 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/435 variables, 0/283 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 435/435 variables, and 283 constraints, problems are : Problem set: 4 solved, 1 unsolved in 646 ms.
Refiners :[Domain max(s): 115/115 constraints, Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 115/115 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1459ms problems are : Problem set: 4 solved, 1 unsolved
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 320/320 transitions.
Discarding 39 places :
Symmetric choice reduction at 0 with 39 rule applications. Total rules 39 place count 76 transition count 129
Iterating global reduction 0 with 39 rules applied. Total rules applied 78 place count 76 transition count 129
Applied a total of 78 rules in 16 ms. Remains 76 /115 variables (removed 39) and now considering 129/320 (removed 191) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 76/115 places, 129/320 transitions.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :14003 after 27859
RANDOM walk for 1357600 steps (2 resets) in 3678 ms. (369 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
SDD proceeding with computation,1 properties remain. new max is 8192
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 320 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 8101 ms.

BK_STOP 1779686768648

--------------------
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
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.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="Anderson-PT-05"
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 Anderson-PT-05, 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 r016-oct2-177944372600097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-05.tgz
mv Anderson-PT-05 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 ;