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.r183-tall-167838870300312.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 FlexibleBarrier-PT-10b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r183-tall-167838870300312
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 792K
-rw-r--r-- 1 mcc users 6.9K Feb 25 12:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 25 12:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 12:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 25 12:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Feb 25 12:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 12:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 30K Feb 25 12:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 374K Mar 5 18:22 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 1678551583028

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-10b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-11 16:19:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-11 16:19:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 16:19:44] [INFO ] Load time of PNML (sax parser for PT used): 86 ms
[2023-03-11 16:19:44] [INFO ] Transformed 1402 places.
[2023-03-11 16:19:44] [INFO ] Transformed 1613 transitions.
[2023-03-11 16:19:44] [INFO ] Found NUPN structural information;
[2023-03-11 16:19:44] [INFO ] Parsed PT model containing 1402 places and 1613 transitions and 4025 arcs in 156 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1402/1402 places, 1613/1613 transitions.
Graph (trivial) has 1370 edges and 1402 vertex of which 62 / 1402 are part of one of the 10 SCC in 9 ms
Free SCC test removed 52 places
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Drop transitions removed 359 transitions
Trivial Post-agglo rules discarded 359 transitions
Performed 359 trivial Post agglomeration. Transition count delta: 359
Iterating post reduction 0 with 359 rules applied. Total rules applied 360 place count 1350 transition count 1201
Reduce places removed 359 places and 0 transitions.
Iterating post reduction 1 with 359 rules applied. Total rules applied 719 place count 991 transition count 1201
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 719 place count 991 transition count 1111
Deduced a syphon composed of 90 places in 6 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 899 place count 901 transition count 1111
Performed 575 Post agglomeration using F-continuation condition.Transition count delta: 575
Deduced a syphon composed of 575 places in 1 ms
Reduce places removed 575 places and 0 transitions.
Iterating global reduction 2 with 1150 rules applied. Total rules applied 2049 place count 326 transition count 536
Applied a total of 2049 rules in 116 ms. Remains 326 /1402 variables (removed 1076) and now considering 536/1613 (removed 1077) transitions.
[2023-03-11 16:19:44] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
// Phase 1: matrix 507 rows 326 cols
[2023-03-11 16:19:44] [INFO ] Computed 12 place invariants in 28 ms
[2023-03-11 16:19:45] [INFO ] Implicit Places using invariants in 401 ms returned []
[2023-03-11 16:19:45] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2023-03-11 16:19:45] [INFO ] Invariant cache hit.
[2023-03-11 16:19:45] [INFO ] State equation strengthened by 61 read => feed constraints.
[2023-03-11 16:19:45] [INFO ] Implicit Places using invariants and state equation in 456 ms returned []
Implicit Place search using SMT with State Equation took 880 ms to find 0 implicit places.
[2023-03-11 16:19:45] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2023-03-11 16:19:45] [INFO ] Invariant cache hit.
[2023-03-11 16:19:45] [INFO ] Dead Transitions using invariants and state equation in 201 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 326/1402 places, 536/1613 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1199 ms. Remains : 326/1402 places, 536/1613 transitions.
Discarding 303 transitions out of 536. Remains 233
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 636 resets, run finished after 592 ms. (steps per millisecond=16 ) properties (out of 232) seen :40
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 192) seen :0
Running SMT prover for 192 properties.
[2023-03-11 16:19:46] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2023-03-11 16:19:46] [INFO ] Invariant cache hit.
[2023-03-11 16:19:49] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2023-03-11 16:19:53] [INFO ] After 3583ms SMT Verify possible using state equation in real domain returned unsat :0 sat :163 real:29
[2023-03-11 16:19:53] [INFO ] State equation strengthened by 61 read => feed constraints.
[2023-03-11 16:19:56] [INFO ] After 3360ms SMT Verify possible using 61 Read/Feed constraints in real domain returned unsat :0 sat :0 real:192
[2023-03-11 16:19:56] [INFO ] After 8992ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:192
[2023-03-11 16:19:57] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2023-03-11 16:20:02] [INFO ] After 3276ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :192
[2023-03-11 16:20:05] [INFO ] After 3515ms SMT Verify possible using 61 Read/Feed constraints in natural domain returned unsat :0 sat :192
[2023-03-11 16:20:11] [INFO ] After 9123ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :192
Attempting to minimize the solution found.
Minimization took 3653 ms.
[2023-03-11 16:20:14] [INFO ] After 17965ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :192
Fused 192 Parikh solutions to 191 different solutions.
Parikh walk visited 3 properties in 1269 ms.
Support contains 280 out of 326 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 326/326 places, 536/536 transitions.
Drop transitions removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 326 transition count 506
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 325 transition count 505
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 325 transition count 505
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 33 place count 325 transition count 504
Free-agglomeration rule applied 12 times.
Iterating global reduction 2 with 12 rules applied. Total rules applied 45 place count 325 transition count 492
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 57 place count 313 transition count 492
Applied a total of 57 rules in 89 ms. Remains 313 /326 variables (removed 13) and now considering 492/536 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 313/326 places, 492/536 transitions.
Incomplete random walk after 1000000 steps, including 70851 resets, run finished after 29890 ms. (steps per millisecond=33 ) properties (out of 189) seen :150
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=1449 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=1470 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=1298 ) properties (out of 37) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=1250 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=1250 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=1333 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=1333 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=1315 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 77 ms. (steps per millisecond=1298 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=1515 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=1587 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=1587 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 47 ms. (steps per millisecond=2127 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 47 ms. (steps per millisecond=2127 ) properties (out of 27) seen :2
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 46 ms. (steps per millisecond=2173 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 45 ms. (steps per millisecond=2222 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 44 ms. (steps per millisecond=2272 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 100001 steps, including 51 resets, run finished after 46 ms. (steps per millisecond=2173 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 77 resets, run finished after 56 ms. (steps per millisecond=1785 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 55 ms. (steps per millisecond=1818 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 57 ms. (steps per millisecond=1754 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 77 resets, run finished after 56 ms. (steps per millisecond=1785 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 77 resets, run finished after 56 ms. (steps per millisecond=1785 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 57 ms. (steps per millisecond=1754 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 58 ms. (steps per millisecond=1724 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 77 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 75 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 100001 steps, including 76 resets, run finished after 54 ms. (steps per millisecond=1851 ) properties (out of 24) seen :0
Running SMT prover for 24 properties.
// Phase 1: matrix 492 rows 313 cols
[2023-03-11 16:20:48] [INFO ] Computed 12 place invariants in 8 ms
[2023-03-11 16:20:48] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2023-03-11 16:20:49] [INFO ] After 620ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:23
[2023-03-11 16:20:49] [INFO ] State equation strengthened by 62 read => feed constraints.
[2023-03-11 16:20:49] [INFO ] After 39ms SMT Verify possible using 62 Read/Feed constraints in real domain returned unsat :0 sat :0 real:24
[2023-03-11 16:20:49] [INFO ] After 1004ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:24
[2023-03-11 16:20:49] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2023-03-11 16:20:50] [INFO ] After 509ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :24
[2023-03-11 16:20:50] [INFO ] After 473ms SMT Verify possible using 62 Read/Feed constraints in natural domain returned unsat :0 sat :24
[2023-03-11 16:20:51] [INFO ] After 1173ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :24
Attempting to minimize the solution found.
Minimization took 481 ms.
[2023-03-11 16:20:51] [INFO ] After 2418ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :24
Parikh walk visited 20 properties in 11373 ms.
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 313/313 places, 492/492 transitions.
Discarding 87 places :
Symmetric choice reduction at 0 with 87 rule applications. Total rules 87 place count 226 transition count 405
Iterating global reduction 0 with 87 rules applied. Total rules applied 174 place count 226 transition count 405
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Iterating post reduction 0 with 79 rules applied. Total rules applied 253 place count 226 transition count 326
Free-agglomeration rule applied 170 times with reduction of 1 identical transitions.
Iterating global reduction 1 with 170 rules applied. Total rules applied 423 place count 226 transition count 155
Reduce places removed 170 places and 0 transitions.
Drop transitions removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 1 with 251 rules applied. Total rules applied 674 place count 56 transition count 74
Applied a total of 674 rules in 51 ms. Remains 56 /313 variables (removed 257) and now considering 74/492 (removed 418) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 56/313 places, 74/492 transitions.
Finished random walk after 79 steps, including 0 resets, run visited all 4 properties in 1 ms. (steps per millisecond=79 )
Able to resolve query QuasiLiveness after proving 233 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 78762 ms.
ITS solved all properties within timeout

BK_STOP 1678551667257

--------------------
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="FlexibleBarrier-PT-10b"
export BK_EXAMINATION="QuasiLiveness"
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 FlexibleBarrier-PT-10b, 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 r183-tall-167838870300312"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b 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 ;