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.r007-oct2-167813595900679.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is AutonomousCar-PT-10a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-oct2-167813595900679
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.7K Feb 25 12:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 25 12:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 12:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 12:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 114K Feb 25 12:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:34 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 1.5M 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 AutonomousCar-PT-10a-ReachabilityFireability-00
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-01
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-02
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-03
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-04
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-05
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-06
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-07
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-08
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-09
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-10
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-11
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-12
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-13
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-14
FORMULA_NAME AutonomousCar-PT-10a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678354002052

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=AutonomousCar-PT-10a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-09 09:26:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-09 09:26:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 09:26:45] [INFO ] Load time of PNML (sax parser for PT used): 287 ms
[2023-03-09 09:26:45] [INFO ] Transformed 97 places.
[2023-03-09 09:26:45] [INFO ] Transformed 1921 transitions.
[2023-03-09 09:26:45] [INFO ] Found NUPN structural information;
[2023-03-09 09:26:45] [INFO ] Parsed PT model containing 97 places and 1921 transitions and 29152 arcs in 464 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 423 transitions
Reduce redundant transitions removed 423 transitions.
Incomplete random walk after 10000 steps, including 464 resets, run finished after 790 ms. (steps per millisecond=12 ) properties (out of 16) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=18 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Interrupted probabilistic random walk after 285890 steps, run timeout after 3001 ms. (steps per millisecond=95 ) properties seen :{6=1}
Probabilistic random walk after 285890 steps, saw 37231 distinct states, run finished after 3002 ms. (steps per millisecond=95 ) properties seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 14 properties.
[2023-03-09 09:26:49] [INFO ] Flow matrix only has 1497 transitions (discarded 1 similar events)
// Phase 1: matrix 1497 rows 97 cols
[2023-03-09 09:26:49] [INFO ] Computed 15 place invariants in 25 ms
[2023-03-09 09:26:52] [INFO ] After 662ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2023-03-09 09:26:53] [INFO ] [Nat]Absence check using 15 positive place invariants in 10 ms returned sat
[2023-03-09 09:26:53] [INFO ] After 894ms SMT Verify possible using state equation in natural domain returned unsat :6 sat :8
[2023-03-09 09:26:54] [INFO ] State equation strengthened by 403 read => feed constraints.
[2023-03-09 09:26:54] [INFO ] After 525ms SMT Verify possible using 403 Read/Feed constraints in natural domain returned unsat :6 sat :8
[2023-03-09 09:26:55] [INFO ] After 1564ms SMT Verify possible using trap constraints in natural domain returned unsat :6 sat :8
Attempting to minimize the solution found.
Minimization took 533 ms.
[2023-03-09 09:26:56] [INFO ] After 3325ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :8
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 14 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 268 ms.
Support contains 63 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 1498/1498 transitions.
Graph (complete) has 1257 edges and 97 vertex of which 95 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.17 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 95 transition count 1490
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 11 place count 91 transition count 1490
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 11 place count 91 transition count 1488
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 15 place count 89 transition count 1488
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 89 transition count 1488
Applied a total of 16 rules in 330 ms. Remains 89 /97 variables (removed 8) and now considering 1488/1498 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 331 ms. Remains : 89/97 places, 1488/1498 transitions.
Incomplete random walk after 10000 steps, including 523 resets, run finished after 564 ms. (steps per millisecond=17 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 8) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 7) seen :2
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 1488 rows 89 cols
[2023-03-09 09:26:57] [INFO ] Computed 15 place invariants in 16 ms
[2023-03-09 09:26:58] [INFO ] After 177ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-09 09:26:58] [INFO ] [Nat]Absence check using 15 positive place invariants in 12 ms returned sat
[2023-03-09 09:26:59] [INFO ] After 743ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-09 09:26:59] [INFO ] State equation strengthened by 403 read => feed constraints.
[2023-03-09 09:26:59] [INFO ] After 312ms SMT Verify possible using 403 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-09 09:27:00] [INFO ] After 815ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 274 ms.
[2023-03-09 09:27:00] [INFO ] After 2082ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 247 ms.
Support contains 60 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 1488/1488 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 1487
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 88 transition count 1487
Applied a total of 2 rules in 125 ms. Remains 88 /89 variables (removed 1) and now considering 1487/1488 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 88/89 places, 1487/1488 transitions.
Incomplete random walk after 10000 steps, including 391 resets, run finished after 525 ms. (steps per millisecond=19 ) properties (out of 5) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 1487 rows 88 cols
[2023-03-09 09:27:01] [INFO ] Computed 15 place invariants in 19 ms
[2023-03-09 09:27:02] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-09 09:27:02] [INFO ] [Nat]Absence check using 15 positive place invariants in 98 ms returned sat
[2023-03-09 09:27:02] [INFO ] After 522ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-09 09:27:02] [INFO ] State equation strengthened by 403 read => feed constraints.
[2023-03-09 09:27:03] [INFO ] After 242ms SMT Verify possible using 403 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-09 09:27:03] [INFO ] After 565ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 138 ms.
[2023-03-09 09:27:03] [INFO ] After 1480ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 139 ms.
Support contains 47 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 1487/1487 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 88 transition count 1486
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 87 transition count 1486
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 8 place count 81 transition count 1420
Iterating global reduction 2 with 6 rules applied. Total rules applied 14 place count 81 transition count 1420
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 19 place count 81 transition count 1415
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 44 place count 76 transition count 1395
Applied a total of 44 rules in 192 ms. Remains 76 /88 variables (removed 12) and now considering 1395/1487 (removed 92) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 76/88 places, 1395/1487 transitions.
Incomplete random walk after 10000 steps, including 359 resets, run finished after 323 ms. (steps per millisecond=30 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 39 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 3) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 2 properties.
// Phase 1: matrix 1395 rows 76 cols
[2023-03-09 09:27:04] [INFO ] Computed 15 place invariants in 22 ms
[2023-03-09 09:27:04] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 09:27:04] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2023-03-09 09:27:05] [INFO ] After 594ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-09 09:27:05] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:05] [INFO ] After 125ms SMT Verify possible using 323 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-09 09:27:05] [INFO ] After 404ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 160 ms.
[2023-03-09 09:27:06] [INFO ] After 1283ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 92 ms.
Support contains 47 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 1395/1395 transitions.
Applied a total of 0 rules in 114 ms. Remains 76 /76 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 76/76 places, 1395/1395 transitions.
Incomplete random walk after 10000 steps, including 531 resets, run finished after 455 ms. (steps per millisecond=21 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 307259 steps, run timeout after 3001 ms. (steps per millisecond=102 ) properties seen :{}
Probabilistic random walk after 307259 steps, saw 52014 distinct states, run finished after 3002 ms. (steps per millisecond=102 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-09 09:27:09] [INFO ] Invariant cache hit.
[2023-03-09 09:27:10] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 09:27:10] [INFO ] [Nat]Absence check using 15 positive place invariants in 70 ms returned sat
[2023-03-09 09:27:10] [INFO ] After 414ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-09 09:27:10] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:10] [INFO ] After 109ms SMT Verify possible using 323 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-09 09:27:11] [INFO ] After 337ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 130 ms.
[2023-03-09 09:27:11] [INFO ] After 1058ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 90 ms.
Support contains 47 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 1395/1395 transitions.
Applied a total of 0 rules in 96 ms. Remains 76 /76 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 76/76 places, 1395/1395 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 1395/1395 transitions.
Applied a total of 0 rules in 73 ms. Remains 76 /76 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
[2023-03-09 09:27:11] [INFO ] Invariant cache hit.
[2023-03-09 09:27:11] [INFO ] Implicit Places using invariants in 72 ms returned []
[2023-03-09 09:27:11] [INFO ] Invariant cache hit.
[2023-03-09 09:27:12] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:12] [INFO ] Implicit Places using invariants and state equation in 715 ms returned [72, 74]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 816 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 74/76 places, 1395/1395 transitions.
Applied a total of 0 rules in 105 ms. Remains 74 /74 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 995 ms. Remains : 74/76 places, 1395/1395 transitions.
Incomplete random walk after 10000 steps, including 202 resets, run finished after 285 ms. (steps per millisecond=35 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 2) seen :1
FORMULA AutonomousCar-PT-10a-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 1395 rows 74 cols
[2023-03-09 09:27:12] [INFO ] Computed 13 place invariants in 20 ms
[2023-03-09 09:27:13] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-09 09:27:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2023-03-09 09:27:13] [INFO ] After 486ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:13] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:13] [INFO ] After 113ms SMT Verify possible using 323 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:13] [INFO ] After 229ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 79 ms.
[2023-03-09 09:27:14] [INFO ] After 851ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 29 ms.
Support contains 45 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 1395/1395 transitions.
Applied a total of 0 rules in 97 ms. Remains 74 /74 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 74/74 places, 1395/1395 transitions.
Incomplete random walk after 10000 steps, including 269 resets, run finished after 177 ms. (steps per millisecond=56 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 550005 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :{}
Probabilistic random walk after 550005 steps, saw 88171 distinct states, run finished after 3002 ms. (steps per millisecond=183 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-09 09:27:17] [INFO ] Invariant cache hit.
[2023-03-09 09:27:17] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-09 09:27:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2023-03-09 09:27:18] [INFO ] After 525ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:18] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:18] [INFO ] After 100ms SMT Verify possible using 323 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:18] [INFO ] After 177ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 43 ms.
[2023-03-09 09:27:18] [INFO ] After 812ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 17 ms.
Support contains 45 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 1395/1395 transitions.
Applied a total of 0 rules in 88 ms. Remains 74 /74 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 74/74 places, 1395/1395 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 1395/1395 transitions.
Applied a total of 0 rules in 80 ms. Remains 74 /74 variables (removed 0) and now considering 1395/1395 (removed 0) transitions.
[2023-03-09 09:27:18] [INFO ] Invariant cache hit.
[2023-03-09 09:27:18] [INFO ] Implicit Places using invariants in 181 ms returned []
[2023-03-09 09:27:18] [INFO ] Invariant cache hit.
[2023-03-09 09:27:19] [INFO ] State equation strengthened by 323 read => feed constraints.
[2023-03-09 09:27:19] [INFO ] Implicit Places using invariants and state equation in 630 ms returned []
Implicit Place search using SMT with State Equation took 816 ms to find 0 implicit places.
[2023-03-09 09:27:19] [INFO ] Redundant transitions in 103 ms returned []
[2023-03-09 09:27:19] [INFO ] Invariant cache hit.
[2023-03-09 09:27:20] [INFO ] Dead Transitions using invariants and state equation in 1097 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2126 ms. Remains : 74/74 places, 1395/1395 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 74 transition count 1394
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 74 transition count 1393
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 73 transition count 1393
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 72 transition count 1392
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 72 transition count 1392
Applied a total of 5 rules in 132 ms. Remains 72 /74 variables (removed 2) and now considering 1392/1395 (removed 3) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1392 rows 72 cols
[2023-03-09 09:27:20] [INFO ] Computed 14 place invariants in 18 ms
[2023-03-09 09:27:21] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-09 09:27:21] [INFO ] [Nat]Absence check using 14 positive place invariants in 6 ms returned sat
[2023-03-09 09:27:21] [INFO ] After 450ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:21] [INFO ] After 539ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 61 ms.
[2023-03-09 09:27:21] [INFO ] After 669ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-09 09:27:21] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 15 ms.
[2023-03-09 09:27:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 74 places, 1395 transitions and 25215 arcs took 29 ms.
[2023-03-09 09:27:22] [INFO ] Flatten gal took : 395 ms
Total runtime 37536 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT AutonomousCar-PT-10a
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/380
ReachabilityFireability

FORMULA AutonomousCar-PT-10a-ReachabilityFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678354049078

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination 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/380/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/380/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/380/ReachabilityFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
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: LAUNCH task # 8 (type EXCL) for 0 AutonomousCar-PT-10a-ReachabilityFireability-10
lola: time limit : 3595 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 4 (type FNDP) for 0 AutonomousCar-PT-10a-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 5 (type EQUN) for 0 AutonomousCar-PT-10a-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 7 (type SRCH) for 0 AutonomousCar-PT-10a-ReachabilityFireability-10
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: FINISHED task # 5 (type EQUN) for AutonomousCar-PT-10a-ReachabilityFireability-10
lola: result : unknown
lola: LAUNCH task # 9 (type SRCH) for 0 AutonomousCar-PT-10a-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 4 (type FNDP) for AutonomousCar-PT-10a-ReachabilityFireability-10
lola: result : true
lola: fired transitions : 110
lola: tried executions : 1
lola: time used : 1.000000
lola: memory pages used : 0
lola: CANCELED task # 7 (type SRCH) for AutonomousCar-PT-10a-ReachabilityFireability-10 (obsolete)
lola: CANCELED task # 8 (type EXCL) for AutonomousCar-PT-10a-ReachabilityFireability-10 (obsolete)
lola: CANCELED task # 9 (type SRCH) for AutonomousCar-PT-10a-ReachabilityFireability-10 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
AutonomousCar-PT-10a-ReachabilityFireability-10: AG false findpath


Time elapsed: 6 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="AutonomousCar-PT-10a"
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 AutonomousCar-PT-10a, 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 r007-oct2-167813595900679"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-10a.tgz
mv AutonomousCar-PT-10a 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 ;