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.r277-smll-167863548600217.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 lolaxred
Input is NoC3x3-PT-8B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548600217
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 7.4K Feb 26 09:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 09:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 09:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 26 09:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 16:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 10:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 10:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 26 10:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 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 3.0M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678874418785

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=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-8B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 10:00:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 10:00:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 10:00:23] [INFO ] Load time of PNML (sax parser for PT used): 1019 ms
[2023-03-15 10:00:23] [INFO ] Transformed 9140 places.
[2023-03-15 10:00:23] [INFO ] Transformed 14577 transitions.
[2023-03-15 10:00:23] [INFO ] Found NUPN structural information;
[2023-03-15 10:00:23] [INFO ] Parsed PT model containing 9140 places and 14577 transitions and 30726 arcs in 1312 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 9140/9140 places, 14577/14577 transitions.
Graph (trivial) has 13742 edges and 9140 vertex of which 2397 / 9140 are part of one of the 33 SCC in 67 ms
Free SCC test removed 2364 places
Ensure Unique test removed 3723 transitions
Reduce isomorphic transitions removed 3723 transitions.
Reduce places removed 33 places and 0 transitions.
Drop transitions removed 4098 transitions
Trivial Post-agglo rules discarded 4098 transitions
Performed 4098 trivial Post agglomeration. Transition count delta: 4098
Iterating post reduction 0 with 4131 rules applied. Total rules applied 4132 place count 6743 transition count 6756
Reduce places removed 4098 places and 0 transitions.
Ensure Unique test removed 2376 transitions
Reduce isomorphic transitions removed 2376 transitions.
Drop transitions removed 1200 transitions
Trivial Post-agglo rules discarded 1200 transitions
Performed 1200 trivial Post agglomeration. Transition count delta: 1200
Iterating post reduction 1 with 7674 rules applied. Total rules applied 11806 place count 2645 transition count 3180
Reduce places removed 1200 places and 0 transitions.
Ensure Unique test removed 1200 transitions
Reduce isomorphic transitions removed 1200 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 2 with 2448 rules applied. Total rules applied 14254 place count 1445 transition count 1932
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 14302 place count 1397 transition count 1932
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 33 Pre rules applied. Total rules applied 14302 place count 1397 transition count 1899
Deduced a syphon composed of 33 places in 55 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 4 with 66 rules applied. Total rules applied 14368 place count 1364 transition count 1899
Performed 783 Post agglomeration using F-continuation condition with reduction of 104 identical transitions.
Deduced a syphon composed of 783 places in 4 ms
Reduce places removed 783 places and 0 transitions.
Iterating global reduction 4 with 1566 rules applied. Total rules applied 15934 place count 581 transition count 1012
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 4 with 24 rules applied. Total rules applied 15958 place count 581 transition count 988
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 15958 rules in 888 ms. Remains 581 /9140 variables (removed 8559) and now considering 988/14577 (removed 13589) transitions.
[2023-03-15 10:00:24] [INFO ] Flow matrix only has 888 transitions (discarded 100 similar events)
// Phase 1: matrix 888 rows 581 cols
[2023-03-15 10:00:24] [INFO ] Computed 66 place invariants in 33 ms
[2023-03-15 10:00:25] [INFO ] Implicit Places using invariants in 1096 ms returned [13, 72, 134, 193, 277, 360, 422, 483, 545]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 1158 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 572/9140 places, 988/14577 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 572 transition count 964
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 72 place count 548 transition count 940
Applied a total of 72 rules in 24 ms. Remains 548 /572 variables (removed 24) and now considering 940/988 (removed 48) transitions.
[2023-03-15 10:00:25] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
// Phase 1: matrix 840 rows 548 cols
[2023-03-15 10:00:25] [INFO ] Computed 57 place invariants in 7 ms
[2023-03-15 10:00:25] [INFO ] Implicit Places using invariants in 634 ms returned []
[2023-03-15 10:00:25] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
[2023-03-15 10:00:25] [INFO ] Invariant cache hit.
[2023-03-15 10:00:26] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-15 10:00:27] [INFO ] Implicit Places using invariants and state equation in 1975 ms returned []
Implicit Place search using SMT with State Equation took 2613 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 548/9140 places, 940/14577 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4684 ms. Remains : 548/9140 places, 940/14577 transitions.
Discarding 297 transitions out of 940. Remains 643
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 84 resets, run finished after 1213 ms. (steps per millisecond=8 ) properties (out of 642) seen :481
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 161) seen :0
Running SMT prover for 161 properties.
[2023-03-15 10:00:29] [INFO ] Flow matrix only has 840 transitions (discarded 100 similar events)
[2023-03-15 10:00:29] [INFO ] Invariant cache hit.
[2023-03-15 10:00:32] [INFO ] [Real]Absence check using 57 positive place invariants in 35 ms returned sat
[2023-03-15 10:00:45] [INFO ] After 10661ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:159
[2023-03-15 10:00:45] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-15 10:00:45] [INFO ] After 223ms SMT Verify possible using 29 Read/Feed constraints in real domain returned unsat :0 sat :0 real:161
[2023-03-15 10:00:45] [INFO ] After 16490ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:161
[2023-03-15 10:00:48] [INFO ] [Nat]Absence check using 57 positive place invariants in 29 ms returned sat
[2023-03-15 10:00:59] [INFO ] After 8234ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :161
[2023-03-15 10:01:07] [INFO ] After 8143ms SMT Verify possible using 29 Read/Feed constraints in natural domain returned unsat :0 sat :161
[2023-03-15 10:01:10] [INFO ] After 11177ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :161
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-15 10:01:10] [INFO ] After 25028ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :161
Fused 161 Parikh solutions to 160 different solutions.
Parikh walk visited 0 properties in 163 ms.
Support contains 186 out of 548 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 548/548 places, 940/940 transitions.
Drop transitions removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 548 transition count 907
Discarding 96 places :
Symmetric choice reduction at 1 with 96 rule applications. Total rules 129 place count 452 transition count 787
Iterating global reduction 1 with 96 rules applied. Total rules applied 225 place count 452 transition count 787
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Iterating post reduction 1 with 76 rules applied. Total rules applied 301 place count 452 transition count 711
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 305 place count 450 transition count 733
Free-agglomeration rule applied 114 times.
Iterating global reduction 2 with 114 rules applied. Total rules applied 419 place count 450 transition count 619
Reduce places removed 114 places and 0 transitions.
Graph (complete) has 1178 edges and 336 vertex of which 329 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.6 ms
Discarding 7 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 115 rules applied. Total rules applied 534 place count 329 transition count 619
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 541 place count 329 transition count 612
Drop transitions removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 4 with 45 rules applied. Total rules applied 586 place count 329 transition count 567
Graph (complete) has 1128 edges and 329 vertex of which 308 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.3 ms
Discarding 21 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 1 rules applied. Total rules applied 587 place count 308 transition count 567
Drop transitions removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 5 with 21 rules applied. Total rules applied 608 place count 308 transition count 546
Partial Free-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 613 place count 308 transition count 546
Applied a total of 613 rules in 353 ms. Remains 308 /548 variables (removed 240) and now considering 546/940 (removed 394) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 354 ms. Remains : 308/548 places, 546/940 transitions.
Interrupted random walk after 626740 steps, including 3 resets, run timeout after 30001 ms. (steps per millisecond=20 ) properties seen 67
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 1136 ms. (steps per millisecond=88 ) properties (out of 94) seen :26
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 876 ms. (steps per millisecond=114 ) properties (out of 68) seen :10
Incomplete Best-First random walk after 100000 steps, including 3 resets, run finished after 916 ms. (steps per millisecond=109 ) properties (out of 58) seen :13
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 676 ms. (steps per millisecond=147 ) properties (out of 45) seen :5
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 599 ms. (steps per millisecond=166 ) properties (out of 40) seen :5
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 643 ms. (steps per millisecond=155 ) properties (out of 35) seen :6
Incomplete Best-First random walk after 100000 steps, including 2 resets, run finished after 655 ms. (steps per millisecond=152 ) properties (out of 29) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 892 ms. (steps per millisecond=112 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 869 ms. (steps per millisecond=115 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 760 ms. (steps per millisecond=131 ) properties (out of 23) seen :2
Incomplete Best-First random walk after 100000 steps, including 2 resets, run finished after 618 ms. (steps per millisecond=161 ) properties (out of 21) seen :3
Incomplete Best-First random walk after 100001 steps, including 4 resets, run finished after 693 ms. (steps per millisecond=144 ) properties (out of 18) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 688 ms. (steps per millisecond=145 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 782 ms. (steps per millisecond=127 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 1256 ms. (steps per millisecond=79 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 544 ms. (steps per millisecond=183 ) properties (out of 14) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 515 ms. (steps per millisecond=194 ) properties (out of 10) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 495 ms. (steps per millisecond=202 ) properties (out of 8) seen :1
Incomplete Best-First random walk after 100000 steps, including 2 resets, run finished after 503 ms. (steps per millisecond=198 ) properties (out of 7) seen :1
Running SMT prover for 6 properties.
[2023-03-15 10:01:55] [INFO ] Flow matrix only has 478 transitions (discarded 68 similar events)
// Phase 1: matrix 478 rows 308 cols
[2023-03-15 10:01:55] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 10:01:55] [INFO ] [Real]Absence check using 57 positive place invariants in 15 ms returned sat
[2023-03-15 10:01:56] [INFO ] After 267ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:5
[2023-03-15 10:01:56] [INFO ] State equation strengthened by 135 read => feed constraints.
[2023-03-15 10:01:56] [INFO ] After 37ms SMT Verify possible using 135 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-15 10:01:56] [INFO ] After 481ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-15 10:01:56] [INFO ] [Nat]Absence check using 57 positive place invariants in 15 ms returned sat
[2023-03-15 10:01:56] [INFO ] After 399ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-15 10:01:56] [INFO ] After 205ms SMT Verify possible using 135 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-15 10:01:57] [INFO ] After 493ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 202 ms.
[2023-03-15 10:01:57] [INFO ] After 1235ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 3 ms.
Support contains 10 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 546/546 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 275 transition count 455
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 275 transition count 455
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 67 place count 275 transition count 454
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -43
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 73 place count 272 transition count 497
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 76 place count 272 transition count 494
Drop transitions removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 86 place count 272 transition count 484
Free-agglomeration rule applied 60 times.
Iterating global reduction 2 with 60 rules applied. Total rules applied 146 place count 272 transition count 424
Reduce places removed 60 places and 0 transitions.
Drop transitions removed 11 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 72 rules applied. Total rules applied 218 place count 212 transition count 412
Drop transitions removed 62 transitions
Redundant transition composition rules discarded 62 transitions
Iterating global reduction 3 with 62 rules applied. Total rules applied 280 place count 212 transition count 350
Graph (complete) has 700 edges and 212 vertex of which 209 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 1 rules applied. Total rules applied 281 place count 209 transition count 350
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 284 place count 209 transition count 347
Partial Free-agglomeration rule applied 13 times.
Drop transitions removed 13 transitions
Iterating global reduction 5 with 13 rules applied. Total rules applied 297 place count 209 transition count 347
Applied a total of 297 rules in 142 ms. Remains 209 /308 variables (removed 99) and now considering 347/546 (removed 199) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 209/308 places, 347/546 transitions.
Finished random walk after 334168 steps, including 1 resets, run visited all 6 properties in 1898 ms. (steps per millisecond=176 )
Able to resolve query QuasiLiveness after proving 643 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 97608 ms.
ITS solved all properties within timeout

BK_STOP 1678874520306

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="NoC3x3-PT-8B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is NoC3x3-PT-8B, 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 r277-smll-167863548600217"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-8B.tgz
mv NoC3x3-PT-8B 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;