Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r140-smll-174876533800322.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is MultiwaySync-PT-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r140-smll-174876533800322
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 111K May 29 14:32 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 1748977924045

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MultiwaySync-PT-none
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 19:12:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 19:12:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 19:12:06] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2025-06-03 19:12:06] [INFO ] Transformed 222 places.
[2025-06-03 19:12:06] [INFO ] Transformed 472 transitions.
[2025-06-03 19:12:06] [INFO ] Found NUPN structural information;
[2025-06-03 19:12:06] [INFO ] Parsed PT model containing 222 places and 472 transitions and 1496 arcs in 310 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 222/222 places, 472/472 transitions.
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 83 transitions.
Iterating post reduction 0 with 83 rules applied. Total rules applied 83 place count 222 transition count 389
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 83 place count 222 transition count 387
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 87 place count 220 transition count 387
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 1 with 58 rules applied. Total rules applied 145 place count 191 transition count 358
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 153 place count 187 transition count 391
Applied a total of 153 rules in 341 ms. Remains 187 /222 variables (removed 35) and now considering 391/472 (removed 81) transitions.
[2025-06-03 19:12:07] [INFO ] Flow matrix only has 318 transitions (discarded 73 similar events)
// Phase 1: matrix 318 rows 187 cols
[2025-06-03 19:12:07] [INFO ] Computed 25 invariants in 18 ms
[2025-06-03 19:12:07] [INFO ] Implicit Places using invariants in 656 ms returned [186]
Discarding 1 places :
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Implicit Place search using SMT only with invariants took 718 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 186/222 places, 323/472 transitions.
Graph (trivial) has 203 edges and 186 vertex of which 97 / 186 are part of one of the 32 SCC in 4 ms
Free SCC test removed 65 places
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 121 transition count 181
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 103 transition count 181
Applied a total of 37 rules in 27 ms. Remains 103 /186 variables (removed 83) and now considering 181/323 (removed 142) transitions.
[2025-06-03 19:12:07] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
// Phase 1: matrix 144 rows 103 cols
[2025-06-03 19:12:07] [INFO ] Computed 24 invariants in 8 ms
[2025-06-03 19:12:07] [INFO ] Implicit Places using invariants in 168 ms returned []
[2025-06-03 19:12:07] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
[2025-06-03 19:12:07] [INFO ] Invariant cache hit.
[2025-06-03 19:12:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 19:12:08] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 425 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 103/222 places, 181/472 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1542 ms. Remains : 103/222 places, 181/472 transitions.
Discarding 52 transitions out of 181. Remains 129
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2226 resets) in 3342 ms. (11 steps per ms) remains 17/128 properties
BEST_FIRST walk for 4002 steps (30 resets) in 36 ms. (108 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (29 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (30 resets) in 25 ms. (154 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (32 resets) in 28 ms. (138 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (32 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (29 resets) in 40 ms. (97 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (31 resets) in 25 ms. (154 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (32 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (26 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (27 resets) in 29 ms. (133 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (29 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (29 resets) in 22 ms. (174 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (22 resets) in 22 ms. (174 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (25 resets) in 48 ms. (81 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (26 resets) in 22 ms. (174 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (30 resets) in 26 ms. (148 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (26 resets) in 25 ms. (154 steps per ms) remains 17/17 properties
[2025-06-03 19:12:09] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
[2025-06-03 19:12:09] [INFO ] Invariant cache hit.
[2025-06-03 19:12:09] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 29/45 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 29/49 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 52/97 variables, 20/69 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 52/121 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 143/240 variables, 97/218 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/240 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 6/246 variables, 6/224 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 6/230 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (OVERLAPS) 1/247 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/247 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (OVERLAPS) 0/247 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 247/247 variables, and 231 constraints, problems are : Problem set: 0 solved, 17 unsolved in 1353 ms.
Refiners :[Domain max(s): 103/103 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 29/45 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 29/49 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 52/97 variables, 20/69 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 52/121 constraints. Problems are: Problem set: 0 solved, 17 unsolved
[2025-06-03 19:12:11] [INFO ] Deduced a trap composed of 8 places in 53 ms of which 10 ms to minimize.
[2025-06-03 19:12:11] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 143/240 variables, 97/220 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/240 variables, 15/235 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/240 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 6/246 variables, 6/241 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 6/247 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 2/249 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/246 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 16 (OVERLAPS) 1/247 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/247 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 18 (OVERLAPS) 0/247 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 247/247 variables, and 250 constraints, problems are : Problem set: 0 solved, 17 unsolved in 2261 ms.
Refiners :[Domain max(s): 103/103 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 2/2 constraints]
After SMT, in 3683ms problems are : Problem set: 0 solved, 17 unsolved
Parikh walk visited 0 properties in 907 ms.
Support contains 16 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 181/181 transitions.
Graph (complete) has 316 edges and 103 vertex of which 45 are kept as prefixes of interest. Removing 58 places using SCC suffix rule.1 ms
Discarding 58 places :
Also discarding 90 output transitions
Drop transitions (Output transitions of discarded places.) removed 90 transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 45 transition count 83
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 15 place count 39 transition count 75
Iterating global reduction 1 with 6 rules applied. Total rules applied 21 place count 39 transition count 75
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 22 place count 39 transition count 74
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 38 transition count 73
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 38 transition count 73
Applied a total of 25 rules in 29 ms. Remains 38 /103 variables (removed 65) and now considering 73/181 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 38/103 places, 73/181 transitions.
RANDOM walk for 812945 steps (119256 resets) in 4299 ms. (189 steps per ms) remains 0/17 properties
Able to resolve query QuasiLiveness after proving 129 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 9582 ms.
ITS solved all properties within timeout

BK_STOP 1748977935888

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="MultiwaySync-PT-none"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is MultiwaySync-PT-none, 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 r140-smll-174876533800322"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiwaySync-PT-none.tgz
mv MultiwaySync-PT-none 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 ;