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.r167-tall-167838853200487.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 FlexibleBarrier-PT-08b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r167-tall-167838853200487
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 6.5K Feb 25 12:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 12:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 12:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 12:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Feb 25 12:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 12:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 25 12:29 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 241K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678485858062

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-08b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 22:04:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-10 22:04:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 22:04:19] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2023-03-10 22:04:19] [INFO ] Transformed 920 places.
[2023-03-10 22:04:19] [INFO ] Transformed 1057 transitions.
[2023-03-10 22:04:19] [INFO ] Found NUPN structural information;
[2023-03-10 22:04:19] [INFO ] Parsed PT model containing 920 places and 1057 transitions and 2627 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 157 resets, run finished after 707 ms. (steps per millisecond=14 ) properties (out of 16) seen :7
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 9) seen :1
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 8) seen :1
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
// Phase 1: matrix 1057 rows 920 cols
[2023-03-10 22:04:20] [INFO ] Computed 10 place invariants in 21 ms
[2023-03-10 22:04:21] [INFO ] [Real]Absence check using 10 positive place invariants in 17 ms returned sat
[2023-03-10 22:04:21] [INFO ] After 502ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-10 22:04:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2023-03-10 22:04:22] [INFO ] After 904ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :6
[2023-03-10 22:04:23] [INFO ] Deduced a trap composed of 279 places in 245 ms of which 12 ms to minimize.
[2023-03-10 22:04:23] [INFO ] Deduced a trap composed of 343 places in 222 ms of which 1 ms to minimize.
[2023-03-10 22:04:23] [INFO ] Deduced a trap composed of 315 places in 184 ms of which 1 ms to minimize.
[2023-03-10 22:04:23] [INFO ] Deduced a trap composed of 289 places in 174 ms of which 5 ms to minimize.
[2023-03-10 22:04:24] [INFO ] Deduced a trap composed of 283 places in 202 ms of which 1 ms to minimize.
[2023-03-10 22:04:24] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1263 ms
[2023-03-10 22:04:24] [INFO ] Deduced a trap composed of 234 places in 215 ms of which 0 ms to minimize.
[2023-03-10 22:04:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 302 ms
[2023-03-10 22:04:24] [INFO ] Deduced a trap composed of 302 places in 197 ms of which 0 ms to minimize.
[2023-03-10 22:04:25] [INFO ] Deduced a trap composed of 312 places in 200 ms of which 1 ms to minimize.
[2023-03-10 22:04:25] [INFO ] Deduced a trap composed of 277 places in 179 ms of which 0 ms to minimize.
[2023-03-10 22:04:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 760 ms
[2023-03-10 22:04:25] [INFO ] Deduced a trap composed of 82 places in 89 ms of which 0 ms to minimize.
[2023-03-10 22:04:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2023-03-10 22:04:26] [INFO ] Deduced a trap composed of 314 places in 217 ms of which 0 ms to minimize.
[2023-03-10 22:04:26] [INFO ] Deduced a trap composed of 309 places in 192 ms of which 1 ms to minimize.
[2023-03-10 22:04:26] [INFO ] Deduced a trap composed of 309 places in 169 ms of which 1 ms to minimize.
[2023-03-10 22:04:26] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 796 ms
[2023-03-10 22:04:26] [INFO ] After 4776ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :6
Attempting to minimize the solution found.
Minimization took 618 ms.
[2023-03-10 22:04:27] [INFO ] After 5791ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :6
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 7 Parikh solutions to 6 different solutions.
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 81 ms.
Support contains 120 out of 920 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 920/920 places, 1057/1057 transitions.
Graph (trivial) has 532 edges and 920 vertex of which 6 / 920 are part of one of the 1 SCC in 5 ms
Free SCC test removed 5 places
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 137 place count 915 transition count 915
Reduce places removed 136 places and 0 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Iterating post reduction 1 with 156 rules applied. Total rules applied 293 place count 779 transition count 895
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 313 place count 759 transition count 895
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 89 Pre rules applied. Total rules applied 313 place count 759 transition count 806
Deduced a syphon composed of 89 places in 1 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 491 place count 670 transition count 806
Discarding 259 places :
Symmetric choice reduction at 3 with 259 rule applications. Total rules 750 place count 411 transition count 547
Iterating global reduction 3 with 259 rules applied. Total rules applied 1009 place count 411 transition count 547
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1009 place count 411 transition count 546
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1011 place count 410 transition count 546
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 1031 place count 390 transition count 526
Iterating global reduction 3 with 20 rules applied. Total rules applied 1051 place count 390 transition count 526
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 1065 place count 390 transition count 512
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 4 with 108 rules applied. Total rules applied 1173 place count 336 transition count 458
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 1187 place count 329 transition count 458
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1188 place count 329 transition count 457
Free-agglomeration rule applied 10 times.
Iterating global reduction 4 with 10 rules applied. Total rules applied 1198 place count 329 transition count 447
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 1208 place count 319 transition count 447
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 1212 place count 319 transition count 447
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 1213 place count 318 transition count 446
Applied a total of 1213 rules in 197 ms. Remains 318 /920 variables (removed 602) and now considering 446/1057 (removed 611) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 318/920 places, 446/1057 transitions.
Incomplete random walk after 10000 steps, including 319 resets, run finished after 226 ms. (steps per millisecond=44 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :1
FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-10 22:04:27] [INFO ] Flow matrix only has 441 transitions (discarded 5 similar events)
// Phase 1: matrix 441 rows 318 cols
[2023-03-10 22:04:27] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-10 22:04:28] [INFO ] After 72ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-10 22:04:28] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2023-03-10 22:04:28] [INFO ] After 296ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:28] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-10 22:04:28] [INFO ] After 197ms SMT Verify possible using 20 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:28] [INFO ] Deduced a trap composed of 107 places in 84 ms of which 0 ms to minimize.
[2023-03-10 22:04:28] [INFO ] Deduced a trap composed of 99 places in 95 ms of which 1 ms to minimize.
[2023-03-10 22:04:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 243 ms
[2023-03-10 22:04:29] [INFO ] After 664ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 201 ms.
[2023-03-10 22:04:29] [INFO ] After 1242ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 30 ms.
Support contains 94 out of 318 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 318/318 places, 446/446 transitions.
Graph (trivial) has 37 edges and 318 vertex of which 2 / 318 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 317 transition count 442
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 315 transition count 442
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 315 transition count 440
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 313 transition count 440
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 15 place count 307 transition count 434
Iterating global reduction 2 with 6 rules applied. Total rules applied 21 place count 307 transition count 434
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 22 place count 307 transition count 433
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 23 place count 306 transition count 432
Iterating global reduction 3 with 1 rules applied. Total rules applied 24 place count 306 transition count 432
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 25 place count 306 transition count 431
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 47 place count 295 transition count 420
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 48 place count 294 transition count 419
Iterating global reduction 4 with 1 rules applied. Total rules applied 49 place count 294 transition count 419
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 50 place count 294 transition count 418
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 51 place count 294 transition count 417
Free-agglomeration rule applied 12 times.
Iterating global reduction 5 with 12 rules applied. Total rules applied 63 place count 294 transition count 405
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 75 place count 282 transition count 405
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 77 place count 282 transition count 403
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 78 place count 282 transition count 403
Applied a total of 78 rules in 137 ms. Remains 282 /318 variables (removed 36) and now considering 403/446 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 282/318 places, 403/446 transitions.
Incomplete random walk after 10000 steps, including 299 resets, run finished after 218 ms. (steps per millisecond=45 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 29 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 289894 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :{}
Probabilistic random walk after 289894 steps, saw 80613 distinct states, run finished after 3017 ms. (steps per millisecond=96 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-10 22:04:32] [INFO ] Flow matrix only has 397 transitions (discarded 6 similar events)
// Phase 1: matrix 397 rows 282 cols
[2023-03-10 22:04:32] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-10 22:04:33] [INFO ] After 146ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-10 22:04:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2023-03-10 22:04:33] [INFO ] After 280ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:33] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-10 22:04:33] [INFO ] After 199ms SMT Verify possible using 23 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:33] [INFO ] Deduced a trap composed of 93 places in 74 ms of which 0 ms to minimize.
[2023-03-10 22:04:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2023-03-10 22:04:33] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 1 ms to minimize.
[2023-03-10 22:04:33] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 0 ms to minimize.
[2023-03-10 22:04:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 177 ms
[2023-03-10 22:04:34] [INFO ] After 707ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 212 ms.
[2023-03-10 22:04:34] [INFO ] After 1317ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 9 ms.
Support contains 94 out of 282 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 282/282 places, 403/403 transitions.
Applied a total of 0 rules in 9 ms. Remains 282 /282 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 282/282 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 282/282 places, 403/403 transitions.
Applied a total of 0 rules in 8 ms. Remains 282 /282 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2023-03-10 22:04:34] [INFO ] Flow matrix only has 397 transitions (discarded 6 similar events)
[2023-03-10 22:04:34] [INFO ] Invariant cache hit.
[2023-03-10 22:04:34] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-10 22:04:34] [INFO ] Flow matrix only has 397 transitions (discarded 6 similar events)
[2023-03-10 22:04:34] [INFO ] Invariant cache hit.
[2023-03-10 22:04:34] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-10 22:04:34] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
[2023-03-10 22:04:34] [INFO ] Redundant transitions in 29 ms returned []
[2023-03-10 22:04:34] [INFO ] Flow matrix only has 397 transitions (discarded 6 similar events)
[2023-03-10 22:04:34] [INFO ] Invariant cache hit.
[2023-03-10 22:04:34] [INFO ] Dead Transitions using invariants and state equation in 161 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 523 ms. Remains : 282/282 places, 403/403 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 282 transition count 396
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 9 place count 281 transition count 395
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 15 place count 275 transition count 389
Iterating global reduction 2 with 6 rules applied. Total rules applied 21 place count 275 transition count 389
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 22 place count 275 transition count 388
Applied a total of 22 rules in 15 ms. Remains 275 /282 variables (removed 7) and now considering 388/403 (removed 15) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 388 rows 275 cols
[2023-03-10 22:04:34] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-10 22:04:34] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-10 22:04:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2023-03-10 22:04:35] [INFO ] After 284ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:35] [INFO ] Deduced a trap composed of 90 places in 73 ms of which 1 ms to minimize.
[2023-03-10 22:04:35] [INFO ] Deduced a trap composed of 91 places in 71 ms of which 1 ms to minimize.
[2023-03-10 22:04:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 182 ms
[2023-03-10 22:04:35] [INFO ] Deduced a trap composed of 89 places in 81 ms of which 1 ms to minimize.
[2023-03-10 22:04:35] [INFO ] Deduced a trap composed of 90 places in 73 ms of which 0 ms to minimize.
[2023-03-10 22:04:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 215 ms
[2023-03-10 22:04:36] [INFO ] Deduced a trap composed of 89 places in 84 ms of which 0 ms to minimize.
[2023-03-10 22:04:36] [INFO ] Deduced a trap composed of 87 places in 71 ms of which 1 ms to minimize.
[2023-03-10 22:04:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 210 ms
[2023-03-10 22:04:36] [INFO ] After 1079ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 184 ms.
[2023-03-10 22:04:36] [INFO ] After 1346ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2023-03-10 22:04:36] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 5 ms.
[2023-03-10 22:04:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 282 places, 403 transitions and 1288 arcs took 3 ms.
[2023-03-10 22:04:36] [INFO ] Flatten gal took : 55 ms
Total runtime 17007 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT FlexibleBarrier-PT-08b
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
ReachabilityFireability

FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA FlexibleBarrier-PT-08b-ReachabilityFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678485879502

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/ReachabilityFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 16 (type EXCL) for 6 FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 12 (type FNDP) for 6 FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 13 (type EQUN) for 6 FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 15 (type SRCH) for 6 FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 15 (type SRCH) for FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: result : true
lola: markings : 4
lola: fired transitions : 3
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 12 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-14 (obsolete)
lola: CANCELED task # 13 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-14 (obsolete)
lola: CANCELED task # 16 (type EXCL) for FlexibleBarrier-PT-08b-ReachabilityFireability-14 (obsolete)
lola: LAUNCH task # 23 (type EXCL) for 0 FlexibleBarrier-PT-08b-ReachabilityFireability-06
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 25 (type FNDP) for 3 FlexibleBarrier-PT-08b-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 26 (type EQUN) for 3 FlexibleBarrier-PT-08b-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 28 (type SRCH) for 3 FlexibleBarrier-PT-08b-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 12 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: result : true
lola: fired transitions : 2
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 28 (type SRCH) for FlexibleBarrier-PT-08b-ReachabilityFireability-09
lola: result : true
lola: markings : 11
lola: fired transitions : 10
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 25 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-09 (obsolete)
lola: CANCELED task # 26 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-09 (obsolete)
lola: LAUNCH task # 31 (type FNDP) for 9 FlexibleBarrier-PT-08b-ReachabilityFireability-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 32 (type EQUN) for 9 FlexibleBarrier-PT-08b-ReachabilityFireability-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 34 (type SRCH) for 9 FlexibleBarrier-PT-08b-ReachabilityFireability-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 25 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-09
lola: result : true
lola: fired transitions : 9
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
sara: try reading problem file /home/mcc/execution/374/ReachabilityFireability-13.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 13 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-14
lola: result : true
sara: try reading problem file /home/mcc/execution/374/ReachabilityFireability-26.sara.
sara: place or transition ordering is non-deterministic
sara: try reading problem file /home/mcc/execution/374/ReachabilityFireability-32.sara.
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 31 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-15
lola: result : true
lola: fired transitions : 80219
lola: tried executions : 3000
lola: time used : 1.000000
lola: memory pages used : 0
lola: CANCELED task # 32 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-15 (obsolete)
lola: CANCELED task # 34 (type SRCH) for FlexibleBarrier-PT-08b-ReachabilityFireability-15 (obsolete)
lola: LAUNCH task # 19 (type FNDP) for 0 FlexibleBarrier-PT-08b-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 20 (type EQUN) for 0 FlexibleBarrier-PT-08b-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 22 (type SRCH) for 0 FlexibleBarrier-PT-08b-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 32 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-15
lola: result : unknown
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
sara: try reading problem file /home/mcc/execution/374/ReachabilityFireability-20.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 20 (type EQUN) for FlexibleBarrier-PT-08b-ReachabilityFireability-06
lola: result : true
lola: CANCELED task # 19 (type FNDP) for FlexibleBarrier-PT-08b-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 22 (type SRCH) for FlexibleBarrier-PT-08b-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 23 (type EXCL) for FlexibleBarrier-PT-08b-ReachabilityFireability-06 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
FlexibleBarrier-PT-08b-ReachabilityFireability-06: AG false state equation
FlexibleBarrier-PT-08b-ReachabilityFireability-09: EF true tandem / insertion
FlexibleBarrier-PT-08b-ReachabilityFireability-14: EF true tandem / insertion
FlexibleBarrier-PT-08b-ReachabilityFireability-15: EF true findpath


Time elapsed: 2 secs. Pages in use: 3

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-08b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 FlexibleBarrier-PT-08b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r167-tall-167838853200487"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08b.tgz
mv FlexibleBarrier-PT-08b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;