Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r037-tajo-162038176900099.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is BridgeAndVehicles-PT-V20P10N50, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r037-tajo-162038176900099
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 58K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 292K May 10 09:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 7.5M May 10 09:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 6.8K Mar 28 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Mar 28 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 230K Mar 28 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 673K Mar 28 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 23 02:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 33K Mar 23 02:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 147K Mar 22 11:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 418K Mar 22 11:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.4K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 10 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 2.5M May 5 16:51 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-V20P10N50-ReachabilityCardinality-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1620929611493

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 18:13:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-13 18:13:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 18:13:34] [INFO ] Load time of PNML (sax parser for PT used): 313 ms
[2021-05-13 18:13:34] [INFO ] Transformed 108 places.
[2021-05-13 18:13:34] [INFO ] Transformed 2228 transitions.
[2021-05-13 18:13:34] [INFO ] Parsed PT model containing 108 places and 2228 transitions in 428 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 87 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 57 resets, run finished after 195 ms. (steps per millisecond=51 ) properties seen :[0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0]
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 53 ms. (steps per millisecond=188 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 46 ms. (steps per millisecond=217 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 47 ms. (steps per millisecond=212 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 35 ms. (steps per millisecond=285 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 33 ms. (steps per millisecond=303 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 34 ms. (steps per millisecond=294 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2021-05-13 18:13:35] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 108 cols
[2021-05-13 18:13:35] [INFO ] Computed 7 place invariants in 13 ms
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned unsat
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned unsat
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned unsat
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2021-05-13 18:13:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:13:35] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2021-05-13 18:13:35] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:13:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 9 ms returned sat
[2021-05-13 18:13:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 18:13:35] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2021-05-13 18:13:35] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:13:35] [INFO ] [Nat]Added 102 Read/Feed constraints in 23 ms returned sat
[2021-05-13 18:13:36] [INFO ] Computed and/alt/rep : 2225/114389/287 causal constraints in 240 ms.
[2021-05-13 18:13:40] [INFO ] Added : 200 causal constraints over 40 iterations in 4797 ms. Result :(error "Solver has unexpectedly terminated")
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned unsat
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2021-05-13 18:13:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using state equation in 189 ms returned sat
[2021-05-13 18:13:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:13:40] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned unsat
[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 2 out of 108 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 108/108 places, 2228/2228 transitions.
Discarding 2 places :
Also discarding 0 output transitions
Graph (complete) has 882 edges and 108 vertex of which 106 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.20 ms
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 105 transition count 2227
Applied a total of 3 rules in 524 ms. Remains 105 /108 variables (removed 3) and now considering 2227/2228 (removed 1) transitions.
[2021-05-13 18:13:41] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2021-05-13 18:13:41] [INFO ] Computed 5 place invariants in 4 ms
[2021-05-13 18:13:42] [INFO ] Dead Transitions using invariants and state equation in 1355 ms returned []
Finished structural reductions, in 1 iterations. Remains : 105/108 places, 2227/2228 transitions.
Incomplete random walk after 1000000 steps, including 6685 resets, run finished after 7434 ms. (steps per millisecond=134 ) properties seen :[0]
Incomplete Best-First random walk after 1000001 steps, including 2881 resets, run finished after 2817 ms. (steps per millisecond=354 ) properties seen :[0]
Interrupted probabilistic random walk after 4827939 steps, run timeout after 30001 ms. (steps per millisecond=160 ) properties seen :[0]
Probabilistic random walk after 4827939 steps, saw 1150098 distinct states, run finished after 30003 ms. (steps per millisecond=160 ) properties seen :[0]
[2021-05-13 18:14:23] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2021-05-13 18:14:23] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:14:23] [INFO ] [Real]Absence check using 5 positive place invariants in 30 ms returned sat
[2021-05-13 18:14:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:14:23] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2021-05-13 18:14:23] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:14:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 10 ms returned sat
[2021-05-13 18:14:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 18:14:23] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2021-05-13 18:14:23] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:14:23] [INFO ] [Nat]Added 102 Read/Feed constraints in 81 ms returned sat
[2021-05-13 18:14:23] [INFO ] Computed and/alt/rep : 2224/114369/286 causal constraints in 92 ms.
[2021-05-13 18:14:39] [INFO ] Added : 245 causal constraints over 49 iterations in 15629 ms. Result :unknown
Incomplete Parikh walk after 1043900 steps, including 7913 resets, run finished after 10011 ms. (steps per millisecond=104 ) properties seen :[0] could not realise parikh vector
Support contains 2 out of 105 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 105/105 places, 2227/2227 transitions.
Applied a total of 0 rules in 382 ms. Remains 105 /105 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 105/105 places, 2227/2227 transitions.
Starting structural reductions, iteration 0 : 105/105 places, 2227/2227 transitions.
Applied a total of 0 rules in 325 ms. Remains 105 /105 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2021-05-13 18:14:50] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2021-05-13 18:14:50] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:14:50] [INFO ] Implicit Places using invariants in 412 ms returned []
[2021-05-13 18:14:50] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 105 cols
[2021-05-13 18:14:50] [INFO ] Computed 5 place invariants in 1 ms
[2021-05-13 18:14:50] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:14:52] [INFO ] Implicit Places using invariants and state equation in 1795 ms returned [22, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2223 ms to find 2 implicit places.
[2021-05-13 18:14:52] [INFO ] Redundant transitions in 166 ms returned []
[2021-05-13 18:14:52] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:14:52] [INFO ] Computed 5 place invariants in 4 ms
[2021-05-13 18:14:54] [INFO ] Dead Transitions using invariants and state equation in 2134 ms returned []
Starting structural reductions, iteration 1 : 103/105 places, 2227/2227 transitions.
Applied a total of 0 rules in 215 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2021-05-13 18:14:54] [INFO ] Redundant transitions in 42 ms returned []
[2021-05-13 18:14:55] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:14:55] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:14:56] [INFO ] Dead Transitions using invariants and state equation in 1293 ms returned []
Finished structural reductions, in 2 iterations. Remains : 103/105 places, 2227/2227 transitions.
Incomplete random walk after 1000000 steps, including 6685 resets, run finished after 6336 ms. (steps per millisecond=157 ) properties seen :[0]
Incomplete Best-First random walk after 1000001 steps, including 2876 resets, run finished after 2811 ms. (steps per millisecond=355 ) properties seen :[0]
Interrupted probabilistic random walk after 5301914 steps, run timeout after 30001 ms. (steps per millisecond=176 ) properties seen :[0]
Probabilistic random walk after 5301914 steps, saw 1261466 distinct states, run finished after 30002 ms. (steps per millisecond=176 ) properties seen :[0]
[2021-05-13 18:15:35] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:15:35] [INFO ] Computed 5 place invariants in 4 ms
[2021-05-13 18:15:35] [INFO ] [Real]Absence check using 5 positive place invariants in 13 ms returned sat
[2021-05-13 18:15:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:15:35] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2021-05-13 18:15:35] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:15:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 16 ms returned sat
[2021-05-13 18:15:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 18:15:35] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2021-05-13 18:15:35] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:15:35] [INFO ] [Nat]Added 102 Read/Feed constraints in 30 ms returned sat
[2021-05-13 18:15:36] [INFO ] Computed and/alt/rep : 2224/113529/286 causal constraints in 281 ms.
[2021-05-13 18:15:49] [INFO ] Added : 210 causal constraints over 42 iterations in 13529 ms. Result :unknown
Incomplete Parikh walk after 1211700 steps, including 8980 resets, run finished after 11100 ms. (steps per millisecond=109 ) properties seen :[0] could not realise parikh vector
Support contains 2 out of 103 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 103/103 places, 2227/2227 transitions.
Applied a total of 0 rules in 176 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 103/103 places, 2227/2227 transitions.
Starting structural reductions, iteration 0 : 103/103 places, 2227/2227 transitions.
Applied a total of 0 rules in 201 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2021-05-13 18:16:00] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:16:00] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:16:01] [INFO ] Implicit Places using invariants in 668 ms returned []
[2021-05-13 18:16:01] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:16:01] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:16:01] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:16:04] [INFO ] Implicit Places using invariants and state equation in 2627 ms returned []
Implicit Place search using SMT with State Equation took 3297 ms to find 0 implicit places.
[2021-05-13 18:16:04] [INFO ] Redundant transitions in 172 ms returned []
[2021-05-13 18:16:04] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:16:04] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:16:19] [INFO ] Dead Transitions using invariants and state equation in 15346 ms returned []
Finished structural reductions, in 1 iterations. Remains : 103/103 places, 2227/2227 transitions.
Incomplete random walk after 100000 steps, including 668 resets, run finished after 724 ms. (steps per millisecond=138 ) properties seen :[0]
[2021-05-13 18:16:20] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)
// Phase 1: matrix 289 rows 103 cols
[2021-05-13 18:16:20] [INFO ] Computed 5 place invariants in 2 ms
[2021-05-13 18:16:20] [INFO ] [Real]Absence check using 5 positive place invariants in 19 ms returned sat
[2021-05-13 18:16:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:16:20] [INFO ] [Real]Absence check using state equation in 288 ms returned sat
[2021-05-13 18:16:20] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:16:21] [INFO ] [Nat]Absence check using 5 positive place invariants in 57 ms returned sat
[2021-05-13 18:16:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 18:16:21] [INFO ] [Nat]Absence check using state equation in 131 ms returned sat
[2021-05-13 18:16:21] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-13 18:16:21] [INFO ] [Nat]Added 102 Read/Feed constraints in 49 ms returned sat
[2021-05-13 18:16:21] [INFO ] Computed and/alt/rep : 2224/113529/286 causal constraints in 106 ms.
[2021-05-13 18:16:34] [INFO ] Added : 210 causal constraints over 42 iterations in 12824 ms. Result :unknown
Ensure Unique test removed 1938 transitions
Reduce isomorphic transitions removed 1938 transitions.
Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 103 transition count 289
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 101 transition count 287
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 1944 place count 101 transition count 285
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1946 place count 99 transition count 285
Applied a total of 1946 rules in 58 ms. Remains 99 /103 variables (removed 4) and now considering 285/2227 (removed 1942) transitions.
// Phase 1: matrix 285 rows 99 cols
[2021-05-13 18:16:34] [INFO ] Computed 5 place invariants in 4 ms
[2021-05-13 18:16:34] [INFO ] [Real]Absence check using 5 positive place invariants in 17 ms returned sat
[2021-05-13 18:16:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 18:16:34] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2021-05-13 18:16:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 18:16:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 15 ms returned sat
[2021-05-13 18:16:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 18:16:34] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2021-05-13 18:16:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-13 18:16:34] [INFO ] [Nat]Added 2 Read/Feed constraints in 2 ms returned sat
[2021-05-13 18:16:34] [INFO ] Computed and/alt/rep : 282/11342/282 causal constraints in 22 ms.
[2021-05-13 18:16:48] [INFO ] Added : 228 causal constraints over 46 iterations in 13760 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 260 ms.
[2021-05-13 18:16:48] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 16 ms.
[2021-05-13 18:16:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 73 ms.
[2021-05-13 18:16:49] [INFO ] Flatten gal took : 241 ms
info: Time: 3600 - MCC
vrfy: Checking ReachabilityCardinality @ BridgeAndVehicles-PT-V20P10N50 @ 3570 seconds
vrfy: finished
info: timeLeft: 3567
rslt: Output for ReachabilityCardinality @ BridgeAndVehicles-PT-V20P10N50

{
"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=ReachabilityCardinality.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--check=modelchecking",
"--stubborn=tarjan",
"--stateequation=par",
"--timelimit=3570",
"--localtimelimit=0",
"--json=ReachabilityCardinality.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Thu May 13 18:16:49 2021
",
"timelimit": 3570
},
"child": null,
"exit":
{
"error": null,
"localtimelimitreached": true,
"memory": 68968,
"runtime": 3.000000,
"signal": null,
"timelimitreached": false
},
"files":
{
"formula": "ReachabilityCardinality.xml",
"net": "model.pnml"
},
"formula":
{
"count":
{
"A": 1,
"E": 0,
"F": 0,
"G": 1,
"U": 0,
"X": 0,
"aconj": 0,
"adisj": 0,
"aneg": 0,
"comp": 1,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 2,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 2,
"visible_transitions": 0
},
"processed": "A (G ((p86 <= p48)))",
"processed_size": 20,
"rewrites": 2,
"skeleton": "A(G(**))"
},
"net":
{
"arcs": 17104,
"conflict_clusters": 2,
"places": 103,
"places_significant": 98,
"singleton_clusters": 0,
"transitions": 2227
},
"task":
{
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 1,
"problems": 1
},
"type": "invariance",
"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: 2330/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 3296
lola: finding significant places
lola: 103 places, 2227 transitions, 98 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 ReachabilityCardinality.xml
lola: A (G ((p86 <= p48)))
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: processed formula: A (G ((p86 <= p48)))
lola: processed formula length: 20
lola: 2 rewrites
lola: closed formula file ReachabilityCardinality.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: state equation task get result started, id 0
lola: local time limit reached - aborting
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p48 + 1 <= p86)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: memory consumption: 68968 KB
lola: time consumption: 3 seconds
lola: print data as JSON (--json)
lola: writing JSON to ReachabilityCardinality.json
lola: closed JSON file ReachabilityCardinality.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-V20P10N50"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2020"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is BridgeAndVehicles-PT-V20P10N50, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r037-tajo-162038176900099"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N50.tgz
mv BridgeAndVehicles-PT-V20P10N50 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;