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.r042-smll-174853823000182.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is CANInsertWithFailure-PT-050, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r042-smll-174853823000182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 206K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.4K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 16M 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 1748549603448

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:13:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:13:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:13:27] [INFO ] Load time of PNML (sax parser for PT used): 1333 ms
[2025-05-29 20:13:27] [INFO ] Transformed 5604 places.
[2025-05-29 20:13:27] [INFO ] Transformed 15300 transitions.
[2025-05-29 20:13:27] [INFO ] Parsed PT model containing 5604 places and 15300 transitions and 41000 arcs in 1945 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 5604/5604 places, 15300/15300 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 350 transitions
Trivial Post-agglo rules discarded 350 transitions
Performed 350 trivial Post agglomeration. Transition count delta: 350
Iterating post reduction 0 with 351 rules applied. Total rules applied 351 place count 5603 transition count 14950
Reduce places removed 350 places and 0 transitions.
Iterating post reduction 1 with 350 rules applied. Total rules applied 701 place count 5253 transition count 14950
Performed 2450 Post agglomeration using F-continuation condition.Transition count delta: 2450
Deduced a syphon composed of 2450 places in 34 ms
Reduce places removed 2450 places and 0 transitions.
Iterating global reduction 2 with 4900 rules applied. Total rules applied 5601 place count 2803 transition count 12500
Applied a total of 5601 rules in 2172 ms. Remains 2803 /5604 variables (removed 2801) and now considering 12500/15300 (removed 2800) transitions.
[2025-05-29 20:13:30] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
// Phase 1: matrix 10148 rows 2803 cols
[2025-05-29 20:13:31] [INFO ] Computed 52 invariants in 865 ms
[2025-05-29 20:13:35] [INFO ] Implicit Places using invariants in 5385 ms returned []
Implicit Place search using SMT only with invariants took 5464 ms to find 0 implicit places.
Running 12450 sub problems to find dead transitions.
[2025-05-29 20:13:36] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
[2025-05-29 20:13:36] [INFO ] Invariant cache hit.
[2025-05-29 20:13:36] [INFO ] State equation strengthened by 7448 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 12450 unsolved
SMT process timed out in 48852ms, After SMT, problems are : Problem set: 0 solved, 12450 unsolved
Search for dead transitions found 0 dead transitions in 49178ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2803/5604 places, 12500/15300 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 56993 ms. Remains : 2803/5604 places, 12500/15300 transitions.
Discarding 7300 transitions out of 12500. Remains 5200
Initial state reduction rules removed 50 formulas.
RANDOM walk for 40000 steps (155 resets) in 14139 ms. (2 steps per ms) remains 48/5150 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 47/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 46/47 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 46/46 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 45/46 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 44/45 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 40/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 36/38 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 33/36 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 32/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 31/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/29 properties
[2025-05-29 20:14:29] [INFO ] Flow matrix only has 10148 transitions (discarded 2352 similar events)
[2025-05-29 20:14:29] [INFO ] Invariant cache hit.
[2025-05-29 20:14:29] [INFO ] State equation strengthened by 7448 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 2681/2716 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
[2025-05-29 20:14:30] [INFO ] Deduced a trap composed of 2 places in 281 ms of which 25 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2716 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2716/12951 variables, and 9 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 8/50 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/2803 constraints, ReadFeed: 0/7448 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 2681/2716 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2716 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 27 unsolved
[2025-05-29 20:14:36] [INFO ] Deduced a trap composed of 2 places in 216 ms of which 4 ms to minimize.
[2025-05-29 20:14:36] [INFO ] Deduced a trap composed of 2 places in 204 ms of which 3 ms to minimize.
[2025-05-29 20:14:36] [INFO ] Deduced a trap composed of 2 places in 209 ms of which 3 ms to minimize.
[2025-05-29 20:14:36] [INFO ] Deduced a trap composed of 2 places in 187 ms of which 2 ms to minimize.
[2025-05-29 20:14:37] [INFO ] Deduced a trap composed of 2 places in 216 ms of which 2 ms to minimize.
[2025-05-29 20:14:37] [INFO ] Deduced a trap composed of 2 places in 230 ms of which 3 ms to minimize.
[2025-05-29 20:14:37] [INFO ] Deduced a trap composed of 2 places in 219 ms of which 2 ms to minimize.
[2025-05-29 20:14:37] [INFO ] Deduced a trap composed of 2 places in 214 ms of which 3 ms to minimize.
[2025-05-29 20:14:38] [INFO ] Deduced a trap composed of 2 places in 220 ms of which 3 ms to minimize.
[2025-05-29 20:14:38] [INFO ] Deduced a trap composed of 2 places in 187 ms of which 2 ms to minimize.
[2025-05-29 20:14:38] [INFO ] Deduced a trap composed of 2 places in 218 ms of which 2 ms to minimize.
[2025-05-29 20:14:39] [INFO ] Deduced a trap composed of 2 places in 249 ms of which 3 ms to minimize.
[2025-05-29 20:14:39] [INFO ] Deduced a trap composed of 2 places in 277 ms of which 3 ms to minimize.
[2025-05-29 20:14:39] [INFO ] Deduced a trap composed of 2 places in 273 ms of which 3 ms to minimize.
[2025-05-29 20:14:40] [INFO ] Deduced a trap composed of 2 places in 257 ms of which 2 ms to minimize.
SMT process timed out in 10463ms, After SMT, problems are : Problem set: 0 solved, 27 unsolved
Fused 27 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 35 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 12500/12500 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2352 transitions
Redundant transition composition rules discarded 2352 transitions
Iterating global reduction 0 with 2352 rules applied. Total rules applied 2352 place count 2803 transition count 10148
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2353 place count 2803 transition count 10147
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2354 place count 2802 transition count 10147
Partial Free-agglomeration rule applied 2441 times.
Drop transitions (Partial Free agglomeration) removed 2441 transitions
Iterating global reduction 1 with 2441 rules applied. Total rules applied 4795 place count 2802 transition count 10147
Applied a total of 4795 rules in 3888 ms. Remains 2802 /2803 variables (removed 1) and now considering 10147/12500 (removed 2353) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3893 ms. Remains : 2802/2803 places, 10147/12500 transitions.
RANDOM walk for 309687 steps (1361 resets) in 8687 ms. (35 steps per ms) remains 0/27 properties
Able to resolve query QuasiLiveness after proving 5200 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 81489 ms.
ITS solved all properties within timeout

BK_STOP 1748549687470

--------------------
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="CANInsertWithFailure-PT-050"
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 CANInsertWithFailure-PT-050, 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 r042-smll-174853823000182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-050.tgz
mv CANInsertWithFailure-PT-050 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 ;