fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r157-smll-165277001600147
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for NoC3x3-PT-8B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
364.808 84074.00 145428.00 297.70 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r157-smll-165277001600147.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
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 r157-smll-165277001600147
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.2M
-rw-r--r-- 1 mcc users 7.7K Apr 29 13:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Apr 29 13:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 29 13:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Apr 29 13:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 9 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 9 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.0M May 10 09:34 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 1652863996685

Running Version 202205111006
[2022-05-18 08:53:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-18 08:53:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-18 08:53:20] [INFO ] Load time of PNML (sax parser for PT used): 1040 ms
[2022-05-18 08:53:20] [INFO ] Transformed 9140 places.
[2022-05-18 08:53:20] [INFO ] Transformed 14577 transitions.
[2022-05-18 08:53:20] [INFO ] Found NUPN structural information;
[2022-05-18 08:53:20] [INFO ] Parsed PT model containing 9140 places and 14577 transitions in 1404 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 66 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 30 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
Discarding 407 places :
Symmetric choice reduction at 4 with 407 rule applications. Total rules 14775 place count 957 transition count 1492
Iterating global reduction 4 with 407 rules applied. Total rules applied 15182 place count 957 transition count 1492
Performed 61 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 61 Pre rules applied. Total rules applied 15182 place count 957 transition count 1431
Deduced a syphon composed of 61 places in 5 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 4 with 122 rules applied. Total rules applied 15304 place count 896 transition count 1431
Discarding 66 places :
Symmetric choice reduction at 4 with 66 rule applications. Total rules 15370 place count 830 transition count 1329
Iterating global reduction 4 with 66 rules applied. Total rules applied 15436 place count 830 transition count 1329
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 4 with 36 rules applied. Total rules applied 15472 place count 830 transition count 1293
Performed 315 Post agglomeration using F-continuation condition with reduction of 92 identical transitions.
Deduced a syphon composed of 315 places in 3 ms
Reduce places removed 315 places and 0 transitions.
Iterating global reduction 5 with 630 rules applied. Total rules applied 16102 place count 515 transition count 886
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 5 with 24 rules applied. Total rules applied 16126 place count 515 transition count 862
Discarding 44 places :
Symmetric choice reduction at 6 with 44 rule applications. Total rules 16170 place count 471 transition count 818
Iterating global reduction 6 with 44 rules applied. Total rules applied 16214 place count 471 transition count 818
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 6 with 44 rules applied. Total rules applied 16258 place count 471 transition count 774
Applied a total of 16258 rules in 931 ms. Remains 471 /9140 variables (removed 8669) and now considering 774/14577 (removed 13803) transitions.
[2022-05-18 08:53:21] [INFO ] Flow matrix only has 674 transitions (discarded 100 similar events)
// Phase 1: matrix 674 rows 471 cols
[2022-05-18 08:53:21] [INFO ] Computed 66 place invariants in 39 ms
[2022-05-18 08:53:22] [INFO ] Implicit Places using invariants in 972 ms returned [13, 58, 109, 156, 225, 297, 348, 394, 445]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 1044 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 462/9140 places, 774/14577 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 462 transition count 750
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 438 transition count 726
Applied a total of 72 rules in 37 ms. Remains 438 /462 variables (removed 24) and now considering 726/774 (removed 48) transitions.
[2022-05-18 08:53:22] [INFO ] Flow matrix only has 626 transitions (discarded 100 similar events)
// Phase 1: matrix 626 rows 438 cols
[2022-05-18 08:53:22] [INFO ] Computed 57 place invariants in 7 ms
[2022-05-18 08:53:23] [INFO ] Implicit Places using invariants in 663 ms returned []
[2022-05-18 08:53:23] [INFO ] Flow matrix only has 626 transitions (discarded 100 similar events)
// Phase 1: matrix 626 rows 438 cols
[2022-05-18 08:53:23] [INFO ] Computed 57 place invariants in 8 ms
[2022-05-18 08:53:23] [INFO ] State equation strengthened by 29 read => feed constraints.
[2022-05-18 08:53:24] [INFO ] Implicit Places using invariants and state equation in 1532 ms returned []
Implicit Place search using SMT with State Equation took 2203 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 438/9140 places, 726/14577 transitions.
Finished structural reductions, in 2 iterations. Remains : 438/9140 places, 726/14577 transitions.
Discarding 217 transitions out of 726. Remains 509
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 67 resets, run finished after 1640 ms. (steps per millisecond=6 ) properties (out of 508) seen :389
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) 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 119) seen :0
Running SMT prover for 119 properties.
[2022-05-18 08:53:26] [INFO ] Flow matrix only has 626 transitions (discarded 100 similar events)
// Phase 1: matrix 626 rows 438 cols
[2022-05-18 08:53:26] [INFO ] Computed 57 place invariants in 6 ms
[2022-05-18 08:53:28] [INFO ] [Real]Absence check using 57 positive place invariants in 30 ms returned sat
[2022-05-18 08:53:35] [INFO ] After 4787ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:118
[2022-05-18 08:53:35] [INFO ] State equation strengthened by 29 read => feed constraints.
[2022-05-18 08:53:35] [INFO ] After 80ms SMT Verify possible using 29 Read/Feed constraints in real domain returned unsat :0 sat :0 real:119
[2022-05-18 08:53:35] [INFO ] After 8289ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:119
[2022-05-18 08:53:37] [INFO ] [Nat]Absence check using 57 positive place invariants in 30 ms returned sat
[2022-05-18 08:53:43] [INFO ] After 4441ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :119
[2022-05-18 08:53:47] [INFO ] After 4293ms SMT Verify possible using 29 Read/Feed constraints in natural domain returned unsat :0 sat :119
[2022-05-18 08:53:54] [INFO ] After 11396ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :119
Attempting to minimize the solution found.
Minimization took 4758 ms.
[2022-05-18 08:53:59] [INFO ] After 24058ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :119
Parikh walk visited 0 properties in 101 ms.
Support contains 135 out of 438 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 438/438 places, 726/726 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 438 transition count 693
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 1 with 4 rules applied. Total rules applied 37 place count 436 transition count 715
Free-agglomeration rule applied 126 times.
Iterating global reduction 1 with 126 rules applied. Total rules applied 163 place count 436 transition count 589
Reduce places removed 126 places and 0 transitions.
Graph (complete) has 1110 edges and 310 vertex of which 303 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.11 ms
Discarding 7 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 127 rules applied. Total rules applied 290 place count 303 transition count 589
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 297 place count 303 transition count 582
Drop transitions removed 54 transitions
Redundant transition composition rules discarded 54 transitions
Iterating global reduction 3 with 54 rules applied. Total rules applied 351 place count 303 transition count 528
Graph (complete) has 1049 edges and 303 vertex of which 279 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.4 ms
Discarding 24 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 1 rules applied. Total rules applied 352 place count 279 transition count 528
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 4 with 24 rules applied. Total rules applied 376 place count 279 transition count 504
Partial Free-agglomeration rule applied 13 times.
Drop transitions removed 13 transitions
Iterating global reduction 5 with 13 rules applied. Total rules applied 389 place count 279 transition count 504
Applied a total of 389 rules in 250 ms. Remains 279 /438 variables (removed 159) and now considering 504/726 (removed 222) transitions.
Finished structural reductions, in 1 iterations. Remains : 279/438 places, 504/726 transitions.
Interrupted random walk after 515231 steps, including 1 resets, run timeout after 30001 ms. (steps per millisecond=17 ) properties seen 34
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 912 ms. (steps per millisecond=109 ) properties (out of 85) seen :41
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 919 ms. (steps per millisecond=108 ) properties (out of 44) seen :8
Incomplete Best-First random walk after 100000 steps, including 2 resets, run finished after 1151 ms. (steps per millisecond=86 ) properties (out of 36) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 906 ms. (steps per millisecond=110 ) properties (out of 33) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 553 ms. (steps per millisecond=180 ) properties (out of 31) seen :7
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 556 ms. (steps per millisecond=179 ) properties (out of 24) seen :10
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 547 ms. (steps per millisecond=182 ) properties (out of 14) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 527 ms. (steps per millisecond=189 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 425 ms. (steps per millisecond=235 ) properties (out of 11) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 447 ms. (steps per millisecond=223 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 485 ms. (steps per millisecond=206 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 323 ms. (steps per millisecond=309 ) properties (out of 4) seen :1
Running SMT prover for 3 properties.
[2022-05-18 08:54:37] [INFO ] Flow matrix only has 436 transitions (discarded 68 similar events)
// Phase 1: matrix 436 rows 279 cols
[2022-05-18 08:54:37] [INFO ] Computed 57 place invariants in 3 ms
[2022-05-18 08:54:37] [INFO ] [Real]Absence check using 57 positive place invariants in 27 ms returned sat
[2022-05-18 08:54:37] [INFO ] After 331ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:1
[2022-05-18 08:54:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-05-18 08:54:37] [INFO ] After 94ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-18 08:54:37] [INFO ] After 590ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-18 08:54:38] [INFO ] [Nat]Absence check using 57 positive place invariants in 33 ms returned sat
[2022-05-18 08:54:38] [INFO ] After 342ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2022-05-18 08:54:38] [INFO ] After 118ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2022-05-18 08:54:38] [INFO ] After 265ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 102 ms.
[2022-05-18 08:54:38] [INFO ] After 891ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 279 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 279/279 places, 504/504 transitions.
Discarding 23 places :
Symmetric choice reduction at 0 with 23 rule applications. Total rules 23 place count 256 transition count 423
Iterating global reduction 0 with 23 rules applied. Total rules applied 46 place count 256 transition count 423
Free-agglomeration rule applied 58 times.
Iterating global reduction 0 with 58 rules applied. Total rules applied 104 place count 256 transition count 365
Reduce places removed 58 places and 0 transitions.
Drop transitions removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 0 with 77 rules applied. Total rules applied 181 place count 198 transition count 346
Drop transitions removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 1 with 45 rules applied. Total rules applied 226 place count 198 transition count 301
Partial Free-agglomeration rule applied 8 times.
Drop transitions removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 234 place count 198 transition count 301
Applied a total of 234 rules in 80 ms. Remains 198 /279 variables (removed 81) and now considering 301/504 (removed 203) transitions.
Finished structural reductions, in 1 iterations. Remains : 198/279 places, 301/504 transitions.
Finished random walk after 334980 steps, including 1 resets, run visited all 3 properties in 1725 ms. (steps per millisecond=194 )
Able to resolve query QuasiLiveness after proving 509 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 81496 ms.

BK_STOP 1652864080759

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="itstools"
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 2-4028"
echo " Executing tool itstools"
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 r157-smll-165277001600147"
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 ;