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.r295-tall-167873948300717.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is PolyORBNT-PT-S05J20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r295-tall-167873948300717
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 18K Feb 25 23:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 25 23:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 67K Feb 25 23:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 294K Feb 25 23:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 8.5K Feb 25 16:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Feb 25 16:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 33K Feb 25 16:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 106K Feb 25 16:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 37K Feb 25 23:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 197K Feb 25 23:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 83K Feb 25 23:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 402K Feb 25 23:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Feb 25 16:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.6M Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-00
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-01
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-02
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-03
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-04
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-05
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-06
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-07
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-08
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-09
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-10
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-11
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-12
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-13
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-14
FORMULA_NAME PolyORBNT-PT-S05J20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678893374941

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=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBNT-PT-S05J20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 15:16:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-15 15:16:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 15:16:16] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2023-03-15 15:16:16] [INFO ] Transformed 349 places.
[2023-03-15 15:16:16] [INFO ] Transformed 1210 transitions.
[2023-03-15 15:16:16] [INFO ] Parsed PT model containing 349 places and 1210 transitions and 8824 arcs in 197 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Ensure Unique test removed 655 transitions
Reduce redundant transitions removed 655 transitions.
Normalized transition count is 551 out of 555 initially.
// Phase 1: matrix 551 rows 349 cols
[2023-03-15 15:16:16] [INFO ] Computed 62 place invariants in 53 ms
Incomplete random walk after 10000 steps, including 684 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 16) seen :25
FORMULA PolyORBNT-PT-S05J20-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 170 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 13) seen :13
Incomplete Best-First random walk after 10001 steps, including 184 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 13) seen :21
Incomplete Best-First random walk after 10001 steps, including 303 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 13) seen :3
Incomplete Best-First random walk after 10001 steps, including 156 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 13) seen :22
Incomplete Best-First random walk after 10000 steps, including 175 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 13) seen :12
Incomplete Best-First random walk after 10001 steps, including 181 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 13) seen :22
Incomplete Best-First random walk after 10001 steps, including 155 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 13) seen :13
Incomplete Best-First random walk after 10001 steps, including 169 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 13) seen :22
Incomplete Best-First random walk after 10000 steps, including 148 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 13) seen :12
Incomplete Best-First random walk after 10000 steps, including 190 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 13) seen :21
Incomplete Best-First random walk after 10001 steps, including 187 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 13) seen :22
Incomplete Best-First random walk after 10001 steps, including 176 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 13) seen :21
Incomplete Best-First random walk after 10001 steps, including 183 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 13) seen :21
[2023-03-15 15:16:17] [INFO ] Flow matrix only has 551 transitions (discarded 4 similar events)
// Phase 1: matrix 551 rows 349 cols
[2023-03-15 15:16:17] [INFO ] Computed 62 place invariants in 16 ms
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 18 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 12 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 13 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 7 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 17 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 10 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 7 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 12 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 12 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 7 ms returned unsat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 11 ms returned sat
[2023-03-15 15:16:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:17] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2023-03-15 15:16:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:18] [INFO ] [Nat]Absence check using 42 positive place invariants in 11 ms returned sat
[2023-03-15 15:16:18] [INFO ] [Nat]Absence check using 42 positive and 20 generalized place invariants in 15 ms returned sat
[2023-03-15 15:16:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:18] [INFO ] [Nat]Absence check using state equation in 170 ms returned sat
[2023-03-15 15:16:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-15 15:16:18] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2023-03-15 15:16:18] [INFO ] Computed and/alt/rep : 349/889/349 causal constraints (skipped 196 transitions) in 43 ms.
[2023-03-15 15:16:19] [INFO ] Deduced a trap composed of 124 places in 146 ms of which 3 ms to minimize.
[2023-03-15 15:16:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 250 ms
[2023-03-15 15:16:19] [INFO ] Added : 13 causal constraints over 3 iterations in 891 ms. Result :sat
Minimization took 127 ms.
[2023-03-15 15:16:19] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:19] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 10 ms returned sat
[2023-03-15 15:16:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:19] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2023-03-15 15:16:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:19] [INFO ] [Nat]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:19] [INFO ] [Nat]Absence check using 42 positive and 20 generalized place invariants in 11 ms returned sat
[2023-03-15 15:16:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:24] [INFO ] [Nat]Absence check using state equation in 4936 ms returned unknown
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 11 ms returned unsat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 9 ms returned unsat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 6 ms returned unsat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:24] [INFO ] [Real]Absence check using 42 positive and 20 generalized place invariants in 2 ms returned unsat
Current structural bounds on expressions (after SMT) : [1, 3, 1, 1, 1, 1, 3, 32, 10, 1, 1, 4, 1] Max seen :[1, 3, 1, 1, 1, 1, 3, 0, 4, 1, 1, 4, 1]
FORMULA PolyORBNT-PT-S05J20-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-14 4 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-08 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-01 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S05J20-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 2 out of 349 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 349/349 places, 555/555 transitions.
Ensure Unique test removed 5 places
Drop transitions removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 344 transition count 530
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 55 place count 319 transition count 530
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 55 place count 319 transition count 505
Deduced a syphon composed of 25 places in 1 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 105 place count 294 transition count 505
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 106 place count 293 transition count 504
Iterating global reduction 2 with 1 rules applied. Total rules applied 107 place count 293 transition count 504
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 111 place count 291 transition count 502
Applied a total of 111 rules in 105 ms. Remains 291 /349 variables (removed 58) and now considering 502/555 (removed 53) transitions.
[2023-03-15 15:16:24] [INFO ] Flow matrix only has 498 transitions (discarded 4 similar events)
// Phase 1: matrix 498 rows 291 cols
[2023-03-15 15:16:24] [INFO ] Computed 57 place invariants in 16 ms
[2023-03-15 15:16:25] [INFO ] Dead Transitions using invariants and state equation in 289 ms found 95 transitions.
Found 95 dead transitions using SMT.
Drop transitions removed 95 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 95 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 291/349 places, 407/555 transitions.
Applied a total of 0 rules in 19 ms. Remains 291 /291 variables (removed 0) and now considering 407/407 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 414 ms. Remains : 291/349 places, 407/555 transitions.
Normalized transition count is 403 out of 407 initially.
// Phase 1: matrix 403 rows 291 cols
[2023-03-15 15:16:25] [INFO ] Computed 57 place invariants in 6 ms
FORMULA PolyORBNT-PT-S05J20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 1000000 steps, including 51807 resets, run finished after 3133 ms. (steps per millisecond=319 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 5658 resets, run finished after 838 ms. (steps per millisecond=1193 ) properties (out of 1) seen :4
[2023-03-15 15:16:29] [INFO ] Flow matrix only has 403 transitions (discarded 4 similar events)
// Phase 1: matrix 403 rows 291 cols
[2023-03-15 15:16:29] [INFO ] Computed 57 place invariants in 13 ms
[2023-03-15 15:16:29] [INFO ] [Real]Absence check using 43 positive place invariants in 7 ms returned sat
[2023-03-15 15:16:29] [INFO ] [Real]Absence check using 43 positive and 14 generalized place invariants in 7 ms returned sat
[2023-03-15 15:16:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:29] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2023-03-15 15:16:29] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:29] [INFO ] [Nat]Absence check using 43 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:29] [INFO ] [Nat]Absence check using 43 positive and 14 generalized place invariants in 7 ms returned sat
[2023-03-15 15:16:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:35] [INFO ] [Nat]Absence check using state equation in 6118 ms returned unknown
Current structural bounds on expressions (after SMT) : [10] Max seen :[4]
Support contains 1 out of 291 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 291/291 places, 407/407 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 291 transition count 406
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 290 transition count 406
Applied a total of 2 rules in 22 ms. Remains 290 /291 variables (removed 1) and now considering 406/407 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 290/291 places, 406/407 transitions.
Normalized transition count is 402 out of 406 initially.
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:35] [INFO ] Computed 57 place invariants in 10 ms
Incomplete random walk after 1000000 steps, including 52306 resets, run finished after 3096 ms. (steps per millisecond=322 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000000 steps, including 5625 resets, run finished after 861 ms. (steps per millisecond=1161 ) properties (out of 1) seen :4
[2023-03-15 15:16:39] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:39] [INFO ] Computed 57 place invariants in 10 ms
[2023-03-15 15:16:39] [INFO ] [Real]Absence check using 43 positive place invariants in 7 ms returned sat
[2023-03-15 15:16:39] [INFO ] [Real]Absence check using 43 positive and 14 generalized place invariants in 6 ms returned sat
[2023-03-15 15:16:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:39] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2023-03-15 15:16:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:39] [INFO ] [Nat]Absence check using 43 positive place invariants in 7 ms returned sat
[2023-03-15 15:16:39] [INFO ] [Nat]Absence check using 43 positive and 14 generalized place invariants in 22 ms returned sat
[2023-03-15 15:16:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:46] [INFO ] [Nat]Absence check using state equation in 6146 ms returned unknown
Current structural bounds on expressions (after SMT) : [10] Max seen :[4]
Support contains 1 out of 290 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 290/290 places, 406/406 transitions.
Applied a total of 0 rules in 20 ms. Remains 290 /290 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 290/290 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 290/290 places, 406/406 transitions.
Applied a total of 0 rules in 10 ms. Remains 290 /290 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2023-03-15 15:16:46] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:16:46] [INFO ] Invariant cache hit.
[2023-03-15 15:16:46] [INFO ] Implicit Places using invariants in 261 ms returned []
[2023-03-15 15:16:46] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:16:46] [INFO ] Invariant cache hit.
[2023-03-15 15:16:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-15 15:16:48] [INFO ] Implicit Places using invariants and state equation in 1680 ms returned []
Implicit Place search using SMT with State Equation took 1946 ms to find 0 implicit places.
[2023-03-15 15:16:48] [INFO ] Redundant transitions in 27 ms returned []
[2023-03-15 15:16:48] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:16:48] [INFO ] Invariant cache hit.
[2023-03-15 15:16:48] [INFO ] Dead Transitions using invariants and state equation in 239 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2229 ms. Remains : 290/290 places, 406/406 transitions.
Starting property specific reduction for PolyORBNT-PT-S05J20-UpperBounds-10
Normalized transition count is 402 out of 406 initially.
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:48] [INFO ] Computed 57 place invariants in 5 ms
Incomplete random walk after 10000 steps, including 524 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 52 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :4
[2023-03-15 15:16:48] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:48] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 15:16:48] [INFO ] [Real]Absence check using 43 positive place invariants in 6 ms returned sat
[2023-03-15 15:16:48] [INFO ] [Real]Absence check using 43 positive and 14 generalized place invariants in 6 ms returned sat
[2023-03-15 15:16:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:48] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2023-03-15 15:16:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:48] [INFO ] [Nat]Absence check using 43 positive place invariants in 8 ms returned sat
[2023-03-15 15:16:48] [INFO ] [Nat]Absence check using 43 positive and 14 generalized place invariants in 22 ms returned sat
[2023-03-15 15:16:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:53] [INFO ] [Nat]Absence check using state equation in 4933 ms returned unknown
Current structural bounds on expressions (after SMT) : [10] Max seen :[4]
Support contains 1 out of 290 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 290/290 places, 406/406 transitions.
Applied a total of 0 rules in 15 ms. Remains 290 /290 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2023-03-15 15:16:53] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:16:53] [INFO ] Invariant cache hit.
[2023-03-15 15:16:53] [INFO ] Dead Transitions using invariants and state equation in 242 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 258 ms. Remains : 290/290 places, 406/406 transitions.
Normalized transition count is 402 out of 406 initially.
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:53] [INFO ] Computed 57 place invariants in 4 ms
Incomplete random walk after 1000001 steps, including 52096 resets, run finished after 3050 ms. (steps per millisecond=327 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 5767 resets, run finished after 845 ms. (steps per millisecond=1183 ) properties (out of 1) seen :4
[2023-03-15 15:16:57] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
// Phase 1: matrix 402 rows 290 cols
[2023-03-15 15:16:57] [INFO ] Computed 57 place invariants in 13 ms
[2023-03-15 15:16:57] [INFO ] [Real]Absence check using 43 positive place invariants in 7 ms returned sat
[2023-03-15 15:16:57] [INFO ] [Real]Absence check using 43 positive and 14 generalized place invariants in 6 ms returned sat
[2023-03-15 15:16:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 15:16:57] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2023-03-15 15:16:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 15:16:57] [INFO ] [Nat]Absence check using 43 positive place invariants in 7 ms returned sat
[2023-03-15 15:16:57] [INFO ] [Nat]Absence check using 43 positive and 14 generalized place invariants in 22 ms returned sat
[2023-03-15 15:16:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 15:17:04] [INFO ] [Nat]Absence check using state equation in 6142 ms returned unknown
Current structural bounds on expressions (after SMT) : [10] Max seen :[4]
Support contains 1 out of 290 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 290/290 places, 406/406 transitions.
Applied a total of 0 rules in 17 ms. Remains 290 /290 variables (removed 0) and now considering 406/406 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 290/290 places, 406/406 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 290/290 places, 406/406 transitions.
Applied a total of 0 rules in 10 ms. Remains 290 /290 variables (removed 0) and now considering 406/406 (removed 0) transitions.
[2023-03-15 15:17:04] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:17:04] [INFO ] Invariant cache hit.
[2023-03-15 15:17:04] [INFO ] Implicit Places using invariants in 246 ms returned []
[2023-03-15 15:17:04] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:17:04] [INFO ] Invariant cache hit.
[2023-03-15 15:17:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-15 15:17:06] [INFO ] Implicit Places using invariants and state equation in 1728 ms returned []
Implicit Place search using SMT with State Equation took 1978 ms to find 0 implicit places.
[2023-03-15 15:17:06] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-15 15:17:06] [INFO ] Flow matrix only has 402 transitions (discarded 4 similar events)
[2023-03-15 15:17:06] [INFO ] Invariant cache hit.
[2023-03-15 15:17:06] [INFO ] Dead Transitions using invariants and state equation in 236 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2242 ms. Remains : 290/290 places, 406/406 transitions.
Ending property specific reduction for PolyORBNT-PT-S05J20-UpperBounds-10 in 18061 ms.
[2023-03-15 15:17:06] [INFO ] Flatten gal took : 70 ms
[2023-03-15 15:17:06] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 1 ms.
[2023-03-15 15:17:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 290 places, 406 transitions and 2109 arcs took 3 ms.
Total runtime 50277 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT PolyORBNT-PT-S05J20
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
Upper Bounds

FORMULA PolyORBNT-PT-S05J20-UpperBounds-10 4 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678893427558

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 5 (type EXCL) for 0 PolyORBNT-PT-S05J20-UpperBounds-10
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 PolyORBNT-PT-S05J20-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 PolyORBNT-PT-S05J20-UpperBounds-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 4
lola: REPORT NUM
lola: FINISHED task # 5 (type EXCL) for PolyORBNT-PT-S05J20-UpperBounds-10
lola: markings : 18
lola: fired transitions : 17
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 3 (type FNDP) for PolyORBNT-PT-S05J20-UpperBounds-10 (obsolete)
lola: CANCELED task # 4 (type EQUN) for PolyORBNT-PT-S05J20-UpperBounds-10 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
PolyORBNT-PT-S05J20-UpperBounds-10: BOUND 4 state space


Time elapsed: 0 secs. Pages in use: 1

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="PolyORBNT-PT-S05J20"
export BK_EXAMINATION="UpperBounds"
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 PolyORBNT-PT-S05J20, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r295-tall-167873948300717"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-PT-S05J20.tgz
mv PolyORBNT-PT-S05J20 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;