Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r182-oct2-158987913800367.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-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 itslola
Input is BridgeAndVehicles-PT-V50P20N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r182-oct2-158987913800367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.4M
-rw-r--r-- 1 mcc users 11K Mar 26 02:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 26 02:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 88K Mar 25 21:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 261K Mar 25 21:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 8.6K Apr 8 14:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 37K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 69K Apr 8 14:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 225K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 25 17:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 40K Mar 25 17:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 256K Mar 25 12:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 731K Mar 25 12:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 25 17:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.9K Mar 25 17:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 2.6M Mar 24 05:37 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 BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591145718368

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 00:55:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 00:55:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 00:55:20] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2020-06-03 00:55:20] [INFO ] Transformed 138 places.
[2020-06-03 00:55:20] [INFO ] Transformed 2348 transitions.
[2020-06-03 00:55:20] [INFO ] Parsed PT model containing 138 places and 2348 transitions in 191 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 117 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 23 resets, run finished after 612 ms. (steps per millisecond=16 ) properties seen :[1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 7 resets, run finished after 1301 ms. (steps per millisecond=7 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 1469 ms. (steps per millisecond=6 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 1243 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 737 ms. (steps per millisecond=13 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 230 ms. (steps per millisecond=43 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 263 ms. (steps per millisecond=38 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 251 ms. (steps per millisecond=39 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 257 ms. (steps per millisecond=38 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 9 resets, run finished after 227 ms. (steps per millisecond=44 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 190 ms. (steps per millisecond=52 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 8 resets, run finished after 231 ms. (steps per millisecond=43 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 198 ms. (steps per millisecond=50 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2020-06-03 00:55:27] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
// Phase 1: matrix 290 rows 138 cols
[2020-06-03 00:55:27] [INFO ] Computed 7 place invariants in 11 ms
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 25 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 19 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 25 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned unsat
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-06-03 00:55:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:27] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2020-06-03 00:55:27] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:55:28] [INFO ] [Real]Added 42 Read/Feed constraints in 34 ms returned sat
[2020-06-03 00:55:28] [INFO ] Computed and/alt/rep : 2345/58949/287 causal constraints in 137 ms.
[2020-06-03 00:55:28] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:55:28] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-06-03 00:55:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:28] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2020-06-03 00:55:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 192 ms returned sat
[2020-06-03 00:55:28] [INFO ] Computed and/alt/rep : 2345/58949/287 causal constraints in 134 ms.
[2020-06-03 00:55:33] [INFO ] Added : 200 causal constraints over 40 iterations in 4661 ms. Result :(error "Solver has unexpectedly terminated")
[2020-06-03 00:55:33] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2020-06-03 00:55:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:33] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2020-06-03 00:55:33] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:55:33] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-06-03 00:55:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:33] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2020-06-03 00:55:33] [INFO ] [Nat]Added 42 Read/Feed constraints in 28 ms returned sat
[2020-06-03 00:55:33] [INFO ] Computed and/alt/rep : 2345/58949/287 causal constraints in 65 ms.
[2020-06-03 00:55:38] [INFO ] Added : 205 causal constraints over 41 iterations in 4856 ms. Result :(error "Solver has unexpectedly terminated")
[2020-06-03 00:55:38] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-06-03 00:55:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:38] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2020-06-03 00:55:38] [INFO ] [Real]Added 42 Read/Feed constraints in 18 ms returned sat
[2020-06-03 00:55:38] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:55:38] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-06-03 00:55:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:38] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2020-06-03 00:55:39] [INFO ] [Nat]Added 42 Read/Feed constraints in 375 ms returned sat
[2020-06-03 00:55:39] [INFO ] Computed and/alt/rep : 2345/58949/287 causal constraints in 80 ms.
[2020-06-03 00:55:43] [INFO ] Added : 205 causal constraints over 41 iterations in 4513 ms. Result :unknown
[2020-06-03 00:55:43] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned unsat
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 167200 steps, including 1246 resets, run finished after 1084 ms. (steps per millisecond=154 ) properties seen :[0, 0, 0] could not realise parikh vector
Support contains 11 out of 138 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 138/138 places, 2348/2348 transitions.
Discarding 2 places :
Also discarding 0 output transitions
Graph (complete) has 1302 edges and 138 vertex of which 136 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.13 ms
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 136 transition count 2348
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 135 transition count 2347
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 133 transition count 2346
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 11 place count 131 transition count 2344
Applied a total of 11 rules in 377 ms. Remains 131 /138 variables (removed 7) and now considering 2344/2348 (removed 4) transitions.
Finished structural reductions, in 1 iterations. Remains : 131/138 places, 2344/2348 transitions.
Incomplete random walk after 1000000 steps, including 3239 resets, run finished after 5874 ms. (steps per millisecond=170 ) properties seen :[0, 0, 1]
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 1703 resets, run finished after 2990 ms. (steps per millisecond=334 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000000 steps, including 1468 resets, run finished after 2776 ms. (steps per millisecond=360 ) properties seen :[0, 0]
[2020-06-03 00:55:56] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2020-06-03 00:55:56] [INFO ] Computed 4 place invariants in 5 ms
[2020-06-03 00:55:56] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2020-06-03 00:55:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:56] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2020-06-03 00:55:56] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:55:56] [INFO ] [Real]Added 42 Read/Feed constraints in 28 ms returned sat
[2020-06-03 00:55:56] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:55:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2020-06-03 00:55:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:55:57] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2020-06-03 00:55:57] [INFO ] [Nat]Added 42 Read/Feed constraints in 48 ms returned sat
[2020-06-03 00:55:57] [INFO ] Computed and/alt/rep : 2341/59246/283 causal constraints in 65 ms.
[2020-06-03 00:56:11] [INFO ] Added : 260 causal constraints over 52 iterations in 14388 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 278 ms.
[2020-06-03 00:56:11] [INFO ] [Real]Absence check using 4 positive place invariants in 9 ms returned sat
[2020-06-03 00:56:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:56:11] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2020-06-03 00:56:12] [INFO ] [Real]Added 42 Read/Feed constraints in 33 ms returned sat
[2020-06-03 00:56:12] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:56:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 5 ms returned sat
[2020-06-03 00:56:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:56:12] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2020-06-03 00:56:12] [INFO ] [Nat]Added 42 Read/Feed constraints in 182 ms returned sat
[2020-06-03 00:56:12] [INFO ] Computed and/alt/rep : 2341/59246/283 causal constraints in 67 ms.
[2020-06-03 00:56:30] [INFO ] Added : 230 causal constraints over 46 iterations in 17776 ms. Result :unknown
Incomplete Parikh walk after 110500 steps, including 1244 resets, run finished after 893 ms. (steps per millisecond=123 ) properties seen :[0, 0] could not realise parikh vector
Incomplete Parikh walk after 52300 steps, including 879 resets, run finished after 201 ms. (steps per millisecond=260 ) properties seen :[0, 0] could not realise parikh vector
Support contains 9 out of 131 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 131/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 152 ms. Remains 131 /131 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 131/131 places, 2344/2344 transitions.
Incomplete random walk after 1000000 steps, including 3239 resets, run finished after 5526 ms. (steps per millisecond=180 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1703 resets, run finished after 2915 ms. (steps per millisecond=343 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1475 resets, run finished after 2608 ms. (steps per millisecond=383 ) properties seen :[0, 0]
Interrupted probabilistic random walk after 5639844 steps, run timeout after 30001 ms. (steps per millisecond=187 ) properties seen :[0, 0]
Probabilistic random walk after 5639844 steps, saw 1522883 distinct states, run finished after 30001 ms. (steps per millisecond=187 ) properties seen :[0, 0]
[2020-06-03 00:57:12] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2020-06-03 00:57:12] [INFO ] Computed 4 place invariants in 2 ms
[2020-06-03 00:57:12] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2020-06-03 00:57:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:57:12] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2020-06-03 00:57:12] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:57:12] [INFO ] [Real]Added 42 Read/Feed constraints in 69 ms returned sat
[2020-06-03 00:57:12] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:57:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 17 ms returned sat
[2020-06-03 00:57:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:57:12] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2020-06-03 00:57:13] [INFO ] [Nat]Added 42 Read/Feed constraints in 61 ms returned sat
[2020-06-03 00:57:13] [INFO ] Computed and/alt/rep : 2341/59246/283 causal constraints in 66 ms.
[2020-06-03 00:57:28] [INFO ] Added : 260 causal constraints over 52 iterations in 15646 ms. Result :unknown
[2020-06-03 00:57:28] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2020-06-03 00:57:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:57:28] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2020-06-03 00:57:28] [INFO ] [Real]Added 42 Read/Feed constraints in 19 ms returned sat
[2020-06-03 00:57:28] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:57:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 5 ms returned sat
[2020-06-03 00:57:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:57:28] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2020-06-03 00:57:29] [INFO ] [Nat]Added 42 Read/Feed constraints in 168 ms returned sat
[2020-06-03 00:57:29] [INFO ] Computed and/alt/rep : 2341/59246/283 causal constraints in 47 ms.
[2020-06-03 00:57:45] [INFO ] Added : 230 causal constraints over 46 iterations in 16805 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 227 ms.
Incomplete Parikh walk after 106900 steps, including 1215 resets, run finished after 854 ms. (steps per millisecond=125 ) properties seen :[0, 0] could not realise parikh vector
Incomplete Parikh walk after 115100 steps, including 1197 resets, run finished after 800 ms. (steps per millisecond=143 ) properties seen :[0, 0] could not realise parikh vector
Support contains 9 out of 131 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 131/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 172 ms. Remains 131 /131 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 131/131 places, 2344/2344 transitions.
Starting structural reductions, iteration 0 : 131/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 143 ms. Remains 131 /131 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2020-06-03 00:57:48] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2020-06-03 00:57:48] [INFO ] Computed 4 place invariants in 2 ms
[2020-06-03 00:57:48] [INFO ] Implicit Places using invariants in 237 ms returned []
[2020-06-03 00:57:48] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 131 cols
[2020-06-03 00:57:48] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:57:48] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:57:50] [INFO ] Implicit Places using invariants and state equation in 2019 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2273 ms to find 2 implicit places.
[2020-06-03 00:57:50] [INFO ] Redundant transitions in 128 ms returned []
[2020-06-03 00:57:50] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:57:50] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:57:54] [INFO ] Dead Transitions using invariants and state equation in 4112 ms returned []
Starting structural reductions, iteration 1 : 129/131 places, 2344/2344 transitions.
Applied a total of 0 rules in 191 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2020-06-03 00:57:55] [INFO ] Redundant transitions in 55 ms returned []
[2020-06-03 00:57:55] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:57:55] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:57:56] [INFO ] Dead Transitions using invariants and state equation in 1345 ms returned []
Finished structural reductions, in 2 iterations. Remains : 129/131 places, 2344/2344 transitions.
Incomplete random walk after 1000000 steps, including 3239 resets, run finished after 5624 ms. (steps per millisecond=177 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000000 steps, including 1702 resets, run finished after 3081 ms. (steps per millisecond=324 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000000 steps, including 1469 resets, run finished after 2432 ms. (steps per millisecond=411 ) properties seen :[0, 0]
Interrupted probabilistic random walk after 6639291 steps, run timeout after 30001 ms. (steps per millisecond=221 ) properties seen :[0, 0]
Probabilistic random walk after 6639291 steps, saw 1781991 distinct states, run finished after 30002 ms. (steps per millisecond=221 ) properties seen :[0, 0]
[2020-06-03 00:58:37] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:58:37] [INFO ] Computed 4 place invariants in 3 ms
[2020-06-03 00:58:37] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2020-06-03 00:58:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:58:37] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2020-06-03 00:58:37] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:58:37] [INFO ] [Real]Added 42 Read/Feed constraints in 29 ms returned sat
[2020-06-03 00:58:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:58:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2020-06-03 00:58:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:58:37] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2020-06-03 00:58:37] [INFO ] [Nat]Added 42 Read/Feed constraints in 65 ms returned sat
[2020-06-03 00:58:38] [INFO ] Computed and/alt/rep : 2341/54146/283 causal constraints in 71 ms.
[2020-06-03 00:58:47] [INFO ] Added : 274 causal constraints over 55 iterations in 9498 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 171 ms.
[2020-06-03 00:58:47] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2020-06-03 00:58:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:58:47] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2020-06-03 00:58:47] [INFO ] [Real]Added 42 Read/Feed constraints in 17 ms returned sat
[2020-06-03 00:58:47] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:58:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2020-06-03 00:58:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:58:47] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2020-06-03 00:58:47] [INFO ] [Nat]Added 42 Read/Feed constraints in 24 ms returned sat
[2020-06-03 00:58:48] [INFO ] Computed and/alt/rep : 2341/54146/283 causal constraints in 88 ms.
[2020-06-03 00:58:56] [INFO ] Added : 262 causal constraints over 53 iterations in 8780 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 151 ms.
Incomplete Parikh walk after 116800 steps, including 1119 resets, run finished after 678 ms. (steps per millisecond=172 ) properties seen :[0, 0] could not realise parikh vector
Incomplete Parikh walk after 77100 steps, including 1048 resets, run finished after 392 ms. (steps per millisecond=196 ) properties seen :[1, 0] could not realise parikh vector
FORMULA BridgeAndVehicles-PT-V50P20N20-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 144 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 129/129 places, 2344/2344 transitions.
Starting structural reductions, iteration 0 : 129/129 places, 2344/2344 transitions.
Applied a total of 0 rules in 145 ms. Remains 129 /129 variables (removed 0) and now considering 2344/2344 (removed 0) transitions.
[2020-06-03 00:58:58] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:58:58] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:58:58] [INFO ] Implicit Places using invariants in 341 ms returned []
[2020-06-03 00:58:58] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:58:58] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:58:58] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:58:59] [INFO ] Implicit Places using invariants and state equation in 1342 ms returned []
Implicit Place search using SMT with State Equation took 1690 ms to find 0 implicit places.
[2020-06-03 00:58:59] [INFO ] Redundant transitions in 38 ms returned []
[2020-06-03 00:58:59] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:58:59] [INFO ] Computed 4 place invariants in 6 ms
[2020-06-03 00:59:01] [INFO ] Dead Transitions using invariants and state equation in 1145 ms returned []
Finished structural reductions, in 1 iterations. Remains : 129/129 places, 2344/2344 transitions.
Incomplete random walk after 100000 steps, including 324 resets, run finished after 516 ms. (steps per millisecond=193 ) properties seen :[0]
[2020-06-03 00:59:01] [INFO ] Flow matrix only has 286 transitions (discarded 2058 similar events)
// Phase 1: matrix 286 rows 129 cols
[2020-06-03 00:59:01] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:59:01] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2020-06-03 00:59:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:59:01] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2020-06-03 00:59:01] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-06-03 00:59:01] [INFO ] [Real]Added 42 Read/Feed constraints in 25 ms returned sat
[2020-06-03 00:59:01] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:59:01] [INFO ] [Nat]Absence check using 4 positive place invariants in 7 ms returned sat
[2020-06-03 00:59:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:59:01] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2020-06-03 00:59:01] [INFO ] [Nat]Added 42 Read/Feed constraints in 25 ms returned sat
[2020-06-03 00:59:02] [INFO ] Computed and/alt/rep : 2341/54146/283 causal constraints in 50 ms.
[2020-06-03 00:59:09] [INFO ] Added : 262 causal constraints over 53 iterations in 7658 ms. Result :sat
Ensure Unique test removed 2058 transitions
Reduce isomorphic transitions removed 2058 transitions.
Iterating post reduction 0 with 2058 rules applied. Total rules applied 2058 place count 129 transition count 286
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2060 place count 129 transition count 284
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 2062 place count 127 transition count 284
Applied a total of 2062 rules in 12 ms. Remains 127 /129 variables (removed 2) and now considering 284/2344 (removed 2060) transitions.
// Phase 1: matrix 284 rows 127 cols
[2020-06-03 00:59:09] [INFO ] Computed 4 place invariants in 1 ms
[2020-06-03 00:59:09] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2020-06-03 00:59:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:59:09] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2020-06-03 00:59:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2020-06-03 00:59:09] [INFO ] [Real]Added 2 Read/Feed constraints in 4 ms returned sat
[2020-06-03 00:59:09] [INFO ] Computed and/alt/rep : 281/4902/281 causal constraints in 17 ms.
[2020-06-03 00:59:09] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:59:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 27 ms returned sat
[2020-06-03 00:59:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:59:10] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2020-06-03 00:59:10] [INFO ] [Nat]Added 2 Read/Feed constraints in 13 ms returned sat
[2020-06-03 00:59:10] [INFO ] Computed and/alt/rep : 281/4902/281 causal constraints in 14 ms.
[2020-06-03 00:59:13] [INFO ] Added : 234 causal constraints over 50 iterations in 3087 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 42 ms.
[2020-06-03 00:59:13] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 3 ms.
[2020-06-03 00:59:13] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 24 ms.
[2020-06-03 00:59:13] [INFO ] Flatten gal took : 163 ms
info: Time: 3600 - MCC
vrfy: Checking ReachabilityFireability @ BridgeAndVehicles-PT-V50P20N20 @ 3570 seconds
vrfy: finished
info: timeLeft: 3567
rslt: Output for ReachabilityFireability @ BridgeAndVehicles-PT-V50P20N20

{
"build":
{
"architecture": 64,
"assertions": false,
"build_hostname": "mcc2019",
"build_system": "x86_64-unknown-linux-gnu",
"optimizations": true,
"package_version": "2.0",
"svn_version": "3189M"
},
"call":
{
"exec_host": "mcc2020",
"localtimelimit": 0,
"markinglimit": null,
"parameters":
[
"--pnmlnet",
"model.pnml",
"--xmlformula",
"--formula=ReachabilityFireability.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--check=modelchecking",
"--stubborn=tarjan",
"--stateequation=par",
"--timelimit=3570",
"--localtimelimit=0",
"--json=ReachabilityFireability.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Wed Jun 3 00:59:13 2020
",
"timelimit": 3570
},
"child": null,
"exit":
{
"error": null,
"localtimelimitreached": true,
"memory": 75428,
"runtime": 3.000000,
"signal": null,
"timelimitreached": false
},
"files":
{
"formula": "ReachabilityFireability.xml",
"net": "model.pnml"
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 1,
"G": 0,
"U": 0,
"X": 0,
"aconj": 1,
"adisj": 0,
"aneg": 0,
"comp": 4,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 4,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 4,
"visible_transitions": 0
},
"processed": "E (F (((1 <= p36) AND (1 <= p53) AND (1 <= p54) AND (1 <= p121))))",
"processed_size": 66,
"rewrites": 1,
"skeleton": "E(F(**))"
},
"net":
{
"arcs": 17674,
"conflict_clusters": 1,
"places": 129,
"places_significant": 125,
"singleton_clusters": 0,
"transitions": 2344
},
"task":
{
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 4,
"problems": 4
},
"type": "reachability",
"workflow": "stateequation||search"
}
}
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: input: PNML file (--pnml)
lola: reading net from model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file model.pnml
lola: 2473/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 4128
lola: finding significant places
lola: 129 places, 2344 transitions, 125 significant places
lola: compute conflict clusters
lola: computed conflict clusters
lola: Computing conflicting sets
lola: Computing back conflicting sets
lola: TASK
lola: Reading formula in XML format (--xmlformula)
lola: reading pnml
lola: reading formula from ReachabilityFireability.xml
lola: E (F (((1 <= p36) AND (1 <= p53) AND (1 <= p54) AND (1 <= p121))))
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: processed formula: E (F (((1 <= p36) AND (1 <= p53) AND (1 <= p54) AND (1 <= p121))))
lola: processed formula length: 66
lola: 1 rewrites
lola: closed formula file ReachabilityFireability.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: built state equation task
lola: RUNNING
lola: subprocess will run for 0 seconds at most (--localtimelimit)
lola: local time limit reached - aborting
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: ((1 <= p36) AND (1 <= p53) AND (1 <= p54) AND (1 <= p121))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 4 literals and 1 conjunctive subformulas
lola: memory consumption: 75428 KB
lola: time consumption: 3 seconds
lola: print data as JSON (--json)
lola: writing JSON to ReachabilityFireability.json
lola: closed JSON file ReachabilityFireability.json
rslt: finished

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

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="BridgeAndVehicles-PT-V50P20N20"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itslola"
echo " Input is BridgeAndVehicles-PT-V50P20N20, 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 r182-oct2-158987913800367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P20N20.tgz
mv BridgeAndVehicles-PT-V50P20N20 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 ;