Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r375-smll-167891826300171.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool ltsminxred
Input is SafeBus-PT-10, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r375-smll-167891826300171
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 19K Feb 26 01:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 126K Feb 26 01:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 81K Feb 26 01:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 393K Feb 26 01:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 42K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 151K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 31K Feb 26 01:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 198K Feb 26 01:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 244K Feb 26 01:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.1M Feb 26 01:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 5 18:23 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679076413196

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 18:06:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 18:06:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 18:06:56] [INFO ] Load time of PNML (sax parser for PT used): 248 ms
[2023-03-17 18:06:56] [INFO ] Transformed 316 places.
[2023-03-17 18:06:56] [INFO ] Transformed 1631 transitions.
[2023-03-17 18:06:56] [INFO ] Parsed PT model containing 316 places and 1631 transitions and 11384 arcs in 384 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 10 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 13 ms.16895KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 306/306 places, 1631/1631 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 381 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 383 ms. Remains : 306/306 places, 1631/1631 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 306/306 places, 1631/1631 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 199 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
[2023-03-17 18:06:57] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 306 cols
[2023-03-17 18:06:57] [INFO ] Computed 45 place invariants in 61 ms
[2023-03-17 18:06:58] [INFO ] Implicit Places using invariants in 1271 ms returned [266, 267, 268, 269, 270, 271, 272, 273, 274, 275]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1325 ms to find 10 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 296/306 places, 1631/1631 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1621
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1621
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 20 rules in 237 ms. Remains 286 /296 variables (removed 10) and now considering 1621/1631 (removed 10) transitions.
[2023-03-17 18:06:58] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-17 18:06:58] [INFO ] Computed 35 place invariants in 23 ms
[2023-03-17 18:06:59] [INFO ] Implicit Places using invariants in 1115 ms returned []
[2023-03-17 18:06:59] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 18:06:59] [INFO ] Invariant cache hit.
[2023-03-17 18:07:00] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 18:07:02] [INFO ] Implicit Places using invariants and state equation in 2556 ms returned []
Implicit Place search using SMT with State Equation took 3677 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 286/306 places, 1621/1631 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 5440 ms. Remains : 286/306 places, 1621/1631 transitions.
Random walk for 1250000 steps, including 0 resets, run took 9397 ms (no deadlock found). (steps per millisecond=133 )
Random directed walk for 1250003 steps, including 0 resets, run took 6761 ms (no deadlock found). (steps per millisecond=184 )
[2023-03-17 18:07:18] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 18:07:18] [INFO ] Invariant cache hit.
[2023-03-17 18:07:18] [INFO ] [Real]Absence check using 14 positive place invariants in 18 ms returned sat
[2023-03-17 18:07:19] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 443 ms returned sat
[2023-03-17 18:07:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:07:19] [INFO ] [Real]Absence check using state equation in 453 ms returned sat
[2023-03-17 18:07:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:07:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 16 ms returned sat
[2023-03-17 18:07:20] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 60 ms returned sat
[2023-03-17 18:07:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:07:20] [INFO ] [Nat]Absence check using state equation in 466 ms returned sat
[2023-03-17 18:07:20] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 18:07:21] [INFO ] [Nat]Added 111 Read/Feed constraints in 165 ms returned sat
[2023-03-17 18:07:21] [INFO ] Deduced a trap composed of 41 places in 143 ms of which 7 ms to minimize.
[2023-03-17 18:07:21] [INFO ] Deduced a trap composed of 49 places in 278 ms of which 2 ms to minimize.
[2023-03-17 18:07:21] [INFO ] Deduced a trap composed of 57 places in 181 ms of which 2 ms to minimize.
[2023-03-17 18:07:21] [INFO ] Deduced a trap composed of 49 places in 156 ms of which 1 ms to minimize.
[2023-03-17 18:07:22] [INFO ] Deduced a trap composed of 49 places in 145 ms of which 2 ms to minimize.
[2023-03-17 18:07:22] [INFO ] Deduced a trap composed of 41 places in 122 ms of which 0 ms to minimize.
[2023-03-17 18:07:22] [INFO ] Deduced a trap composed of 49 places in 128 ms of which 0 ms to minimize.
[2023-03-17 18:07:22] [INFO ] Deduced a trap composed of 49 places in 154 ms of which 1 ms to minimize.
[2023-03-17 18:07:22] [INFO ] Deduced a trap composed of 41 places in 160 ms of which 1 ms to minimize.
[2023-03-17 18:07:23] [INFO ] Deduced a trap composed of 49 places in 135 ms of which 1 ms to minimize.
[2023-03-17 18:07:23] [INFO ] Deduced a trap composed of 49 places in 128 ms of which 1 ms to minimize.
[2023-03-17 18:07:23] [INFO ] Deduced a trap composed of 49 places in 142 ms of which 1 ms to minimize.
[2023-03-17 18:07:23] [INFO ] Deduced a trap composed of 49 places in 130 ms of which 1 ms to minimize.
[2023-03-17 18:07:23] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 2710 ms
[2023-03-17 18:07:23] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 145 ms.
[2023-03-17 18:07:23] [INFO ] Added : 1 causal constraints over 1 iterations in 268 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Parikh directed walk for 15500 steps, including 996 resets, run took 189 ms. (steps per millisecond=82 )
Random directed walk for 500005 steps, including 0 resets, run took 2674 ms (no deadlock found). (steps per millisecond=186 )
Random walk for 500000 steps, including 0 resets, run took 3670 ms (no deadlock found). (steps per millisecond=136 )
Random directed walk for 500001 steps, including 0 resets, run took 2660 ms (no deadlock found). (steps per millisecond=187 )
Random walk for 500000 steps, including 0 resets, run took 3667 ms (no deadlock found). (steps per millisecond=136 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 286/286 places, 1621/1621 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 144 ms. Remains 286 /286 variables (removed 0) and now considering 1621/1621 (removed 0) transitions.
[2023-03-17 18:07:37] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 18:07:37] [INFO ] Invariant cache hit.
[2023-03-17 18:07:37] [INFO ] Implicit Places using invariants in 877 ms returned []
[2023-03-17 18:07:37] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 18:07:37] [INFO ] Invariant cache hit.
[2023-03-17 18:07:38] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 18:07:40] [INFO ] Implicit Places using invariants and state equation in 2425 ms returned []
Implicit Place search using SMT with State Equation took 3307 ms to find 0 implicit places.
[2023-03-17 18:07:40] [INFO ] Redundant transitions in 151 ms returned []
[2023-03-17 18:07:40] [INFO ] Flow matrix only has 632 transitions (discarded 989 similar events)
[2023-03-17 18:07:40] [INFO ] Invariant cache hit.
[2023-03-17 18:07:42] [INFO ] Dead Transitions using invariants and state equation in 1691 ms found 100 transitions.
Found 100 dead transitions using SMT.
Drop transitions removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 286/286 places, 1521/1621 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 186 ms. Remains 286 /286 variables (removed 0) and now considering 1521/1521 (removed 0) transitions.
[2023-03-17 18:07:42] [INFO ] Redundant transitions in 63 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 5595 ms. Remains : 286/286 places, 1521/1621 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8679 ms (no deadlock found). (steps per millisecond=144 )
Random directed walk for 1250000 steps, including 0 resets, run took 6307 ms (no deadlock found). (steps per millisecond=198 )
[2023-03-17 18:07:57] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2023-03-17 18:07:57] [INFO ] Computed 35 place invariants in 13 ms
[2023-03-17 18:07:57] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2023-03-17 18:07:58] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 448 ms returned sat
[2023-03-17 18:07:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:07:58] [INFO ] [Real]Absence check using state equation in 653 ms returned sat
[2023-03-17 18:07:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:07:59] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2023-03-17 18:07:59] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 50 ms returned sat
[2023-03-17 18:07:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:07:59] [INFO ] [Nat]Absence check using state equation in 388 ms returned sat
[2023-03-17 18:07:59] [INFO ] State equation strengthened by 111 read => feed constraints.
[2023-03-17 18:07:59] [INFO ] [Nat]Added 111 Read/Feed constraints in 89 ms returned sat
[2023-03-17 18:07:59] [INFO ] Deduced a trap composed of 49 places in 116 ms of which 2 ms to minimize.
[2023-03-17 18:08:00] [INFO ] Deduced a trap composed of 41 places in 107 ms of which 0 ms to minimize.
[2023-03-17 18:08:01] [INFO ] Deduced a trap composed of 49 places in 104 ms of which 2 ms to minimize.
[2023-03-17 18:08:02] [INFO ] Deduced a trap composed of 49 places in 103 ms of which 1 ms to minimize.
[2023-03-17 18:08:02] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 3072 ms
[2023-03-17 18:08:02] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 602 transitions) in 78 ms.
[2023-03-17 18:08:03] [INFO ] Added : 1 causal constraints over 1 iterations in 192 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
Parikh directed walk for 15800 steps, including 1000 resets, run took 153 ms. (steps per millisecond=103 )
Random directed walk for 500009 steps, including 0 resets, run took 2551 ms (no deadlock found). (steps per millisecond=196 )
Random walk for 500000 steps, including 0 resets, run took 3535 ms (no deadlock found). (steps per millisecond=141 )
Random directed walk for 500002 steps, including 0 resets, run took 2624 ms (no deadlock found). (steps per millisecond=190 )
Random walk for 500000 steps, including 0 resets, run took 3488 ms (no deadlock found). (steps per millisecond=143 )
[2023-03-17 18:08:16] [INFO ] Flatten gal took : 280 ms
[2023-03-17 18:08:16] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 18:08:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 1631 transitions and 11204 arcs took 17 ms.
Total runtime 80115 ms.
There are residual formulas that ITS could not solve within timeout
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 15751656 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16150880 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023

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="SafeBus-PT-10"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SafeBus-PT-10, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r375-smll-167891826300171"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-10.tgz
mv SafeBus-PT-10 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;