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.r327-tall-167889200100813.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 RingSingleMessageInMbox-PT-d0m040, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889200100813
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 6.6K Feb 26 05:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 05:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 05:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 05:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 05:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Feb 26 05:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 05:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 108K Feb 26 05:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 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 64K 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 RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m040-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679058419050

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=RingSingleMessageInMbox-PT-d0m040
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 13:07:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-17 13:07:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 13:07:00] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2023-03-17 13:07:00] [INFO ] Transformed 385 places.
[2023-03-17 13:07:00] [INFO ] Transformed 59 transitions.
[2023-03-17 13:07:00] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 100 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Deduced a syphon composed of 329 places in 1 ms
Reduce places removed 329 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 59 rows 56 cols
[2023-03-17 13:07:00] [INFO ] Computed 5 place invariants in 12 ms
Incomplete random walk after 10000 steps, including 2153 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :3
Incomplete Best-First random walk after 10000 steps, including 963 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10000 steps, including 973 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 921 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 3) seen :2
[2023-03-17 13:07:00] [INFO ] Invariant cache hit.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-17 13:07:01] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-17 13:07:01] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2023-03-17 13:07:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2023-03-17 13:07:01] [INFO ] Computed and/alt/rep : 18/36/18 causal constraints (skipped 40 transitions) in 6 ms.
[2023-03-17 13:07:01] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 9 ms.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-17 13:07:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2023-03-17 13:07:01] [INFO ] Computed and/alt/rep : 18/36/18 causal constraints (skipped 40 transitions) in 11 ms.
[2023-03-17 13:07:01] [INFO ] Added : 7 causal constraints over 2 iterations in 28 ms. Result :sat
Minimization took 10 ms.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2023-03-17 13:07:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:01] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2023-03-17 13:07:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2023-03-17 13:07:01] [INFO ] Computed and/alt/rep : 18/36/18 causal constraints (skipped 40 transitions) in 8 ms.
[2023-03-17 13:07:01] [INFO ] Added : 12 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : [103, 1, 1] Max seen :[3, 0, 0]
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 1 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 59/59 transitions.
Graph (complete) has 148 edges and 56 vertex of which 53 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 53 transition count 56
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 11 place count 46 transition count 47
Iterating global reduction 1 with 7 rules applied. Total rules applied 18 place count 46 transition count 47
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 45 transition count 46
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 45 transition count 46
Applied a total of 20 rules in 24 ms. Remains 45 /56 variables (removed 11) and now considering 46/59 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 45/56 places, 46/59 transitions.
// Phase 1: matrix 46 rows 45 cols
[2023-03-17 13:07:01] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 217134 resets, run finished after 584 ms. (steps per millisecond=1712 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000001 steps, including 93381 resets, run finished after 319 ms. (steps per millisecond=3134 ) properties (out of 1) seen :4
[2023-03-17 13:07:02] [INFO ] Invariant cache hit.
[2023-03-17 13:07:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:02] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:02] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-17 13:07:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:02] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2023-03-17 13:07:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-17 13:07:02] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:02] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-17 13:07:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-17 13:07:02] [INFO ] Computed and/alt/rep : 11/26/11 causal constraints (skipped 34 transitions) in 3 ms.
[2023-03-17 13:07:02] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [103] Max seen :[4]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 45/45 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 2 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2023-03-17 13:07:02] [INFO ] Invariant cache hit.
[2023-03-17 13:07:02] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-17 13:07:02] [INFO ] Invariant cache hit.
[2023-03-17 13:07:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:02] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
[2023-03-17 13:07:02] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 13:07:02] [INFO ] Invariant cache hit.
[2023-03-17 13:07:02] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 146 ms. Remains : 45/45 places, 46/46 transitions.
[2023-03-17 13:07:02] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 216912 resets, run finished after 498 ms. (steps per millisecond=2008 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 93416 resets, run finished after 258 ms. (steps per millisecond=3875 ) properties (out of 1) seen :4
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2023-03-17 13:07:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:03] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-17 13:07:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:03] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2023-03-17 13:07:03] [INFO ] Computed and/alt/rep : 11/26/11 causal constraints (skipped 34 transitions) in 5 ms.
[2023-03-17 13:07:03] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [103] Max seen :[4]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/45 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
[2023-03-17 13:07:03] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
[2023-03-17 13:07:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:03] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-17 13:07:03] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
[2023-03-17 13:07:03] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 146 ms. Remains : 45/45 places, 46/46 transitions.
Starting property specific reduction for RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 2165 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 916 resets, run finished after 3 ms. (steps per millisecond=3333 ) properties (out of 1) seen :1
[2023-03-17 13:07:03] [INFO ] Invariant cache hit.
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:03] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-17 13:07:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:03] [INFO ] [Real]Added 18 Read/Feed constraints in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-17 13:07:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:04] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-17 13:07:04] [INFO ] Computed and/alt/rep : 11/26/11 causal constraints (skipped 34 transitions) in 4 ms.
[2023-03-17 13:07:04] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/45 places, 46/46 transitions.
[2023-03-17 13:07:04] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 217431 resets, run finished after 493 ms. (steps per millisecond=2028 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 1000001 steps, including 92845 resets, run finished after 252 ms. (steps per millisecond=3968 ) properties (out of 1) seen :4
[2023-03-17 13:07:04] [INFO ] Invariant cache hit.
[2023-03-17 13:07:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:04] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2023-03-17 13:07:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:04] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2023-03-17 13:07:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:04] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-17 13:07:04] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2023-03-17 13:07:04] [INFO ] Computed and/alt/rep : 11/26/11 causal constraints (skipped 34 transitions) in 3 ms.
[2023-03-17 13:07:04] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/45 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2023-03-17 13:07:04] [INFO ] Invariant cache hit.
[2023-03-17 13:07:04] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-17 13:07:04] [INFO ] Invariant cache hit.
[2023-03-17 13:07:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:04] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2023-03-17 13:07:05] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 13:07:05] [INFO ] Invariant cache hit.
[2023-03-17 13:07:05] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 45/45 places, 46/46 transitions.
[2023-03-17 13:07:05] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 217236 resets, run finished after 485 ms. (steps per millisecond=2061 ) properties (out of 1) seen :3
Incomplete Best-First random walk after 1000000 steps, including 93257 resets, run finished after 277 ms. (steps per millisecond=3610 ) properties (out of 1) seen :4
[2023-03-17 13:07:05] [INFO ] Invariant cache hit.
[2023-03-17 13:07:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:05] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:05] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-03-17 13:07:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:05] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2023-03-17 13:07:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 13:07:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 13:07:05] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 13:07:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 13:07:05] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-17 13:07:05] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2023-03-17 13:07:05] [INFO ] Computed and/alt/rep : 11/26/11 causal constraints (skipped 34 transitions) in 5 ms.
[2023-03-17 13:07:05] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 4 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/45 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 2 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2023-03-17 13:07:05] [INFO ] Invariant cache hit.
[2023-03-17 13:07:05] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-17 13:07:05] [INFO ] Invariant cache hit.
[2023-03-17 13:07:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 13:07:06] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-17 13:07:06] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 13:07:06] [INFO ] Invariant cache hit.
[2023-03-17 13:07:06] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 45/45 places, 46/46 transitions.
Ending property specific reduction for RingSingleMessageInMbox-PT-d0m040-UpperBounds-00 in 2143 ms.
[2023-03-17 13:07:06] [INFO ] Flatten gal took : 26 ms
[2023-03-17 13:07:06] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2023-03-17 13:07:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 45 places, 46 transitions and 182 arcs took 1 ms.
Total runtime 5689 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT RingSingleMessageInMbox-PT-d0m040
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
Upper Bounds

FORMULA RingSingleMessageInMbox-PT-d0m040-UpperBounds-00 38 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679058427218

--------------------
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 RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 40
sara: try reading problem file /home/mcc/execution/374/UpperBounds-4.sara.
lola: REPORT NUM
lola: FINISHED task # 5 (type EXCL) for RingSingleMessageInMbox-PT-d0m040-UpperBounds-00
lola: markings : 6185
lola: fired transitions : 7540
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 3 (type FNDP) for RingSingleMessageInMbox-PT-d0m040-UpperBounds-00 (obsolete)
lola: CANCELED task # 4 (type EQUN) for RingSingleMessageInMbox-PT-d0m040-UpperBounds-00 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RingSingleMessageInMbox-PT-d0m040-UpperBounds-00: BOUND 38 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="RingSingleMessageInMbox-PT-d0m040"
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 RingSingleMessageInMbox-PT-d0m040, 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 r327-tall-167889200100813"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m040.tgz
mv RingSingleMessageInMbox-PT-d0m040 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 ;