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.r359-smll-167891808700261.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SafeBus-PT-03, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808700261
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 01:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 222K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 95K 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 SafeBus-PT-03-UpperBounds-00
FORMULA_NAME SafeBus-PT-03-UpperBounds-01
FORMULA_NAME SafeBus-PT-03-UpperBounds-02
FORMULA_NAME SafeBus-PT-03-UpperBounds-03
FORMULA_NAME SafeBus-PT-03-UpperBounds-04
FORMULA_NAME SafeBus-PT-03-UpperBounds-05
FORMULA_NAME SafeBus-PT-03-UpperBounds-06
FORMULA_NAME SafeBus-PT-03-UpperBounds-07
FORMULA_NAME SafeBus-PT-03-UpperBounds-08
FORMULA_NAME SafeBus-PT-03-UpperBounds-09
FORMULA_NAME SafeBus-PT-03-UpperBounds-10
FORMULA_NAME SafeBus-PT-03-UpperBounds-11
FORMULA_NAME SafeBus-PT-03-UpperBounds-12
FORMULA_NAME SafeBus-PT-03-UpperBounds-13
FORMULA_NAME SafeBus-PT-03-UpperBounds-14
FORMULA_NAME SafeBus-PT-03-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679047643762

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=SafeBus-PT-03
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:07:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-17 10:07:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:07:27] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2023-03-17 10:07:27] [INFO ] Transformed 57 places.
[2023-03-17 10:07:27] [INFO ] Transformed 91 transitions.
[2023-03-17 10:07:27] [INFO ] Found NUPN structural information;
[2023-03-17 10:07:27] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 181 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduce places removed 3 places and 0 transitions.
FORMULA SafeBus-PT-03-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-PT-03-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 68 out of 91 initially.
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:07:27] [INFO ] Computed 17 place invariants in 18 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 8) seen :9
FORMULA SafeBus-PT-03-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-03-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-03-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-03-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-03-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SafeBus-PT-03-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 2) seen :3
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :3
[2023-03-17 10:07:27] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:07:27] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-17 10:07:28] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned unsat
[2023-03-17 10:07:28] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2023-03-17 10:07:28] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 7 ms returned sat
[2023-03-17 10:07:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:28] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2023-03-17 10:07:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:28] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2023-03-17 10:07:28] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 6 ms returned sat
[2023-03-17 10:07:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:28] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-17 10:07:28] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:28] [INFO ] [Nat]Added 13 Read/Feed constraints in 12 ms returned sat
[2023-03-17 10:07:28] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 18 ms.
[2023-03-17 10:07:28] [INFO ] Added : 21 causal constraints over 5 iterations in 122 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : [1, 7] Max seen :[1, 2]
FORMULA SafeBus-PT-03-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 3 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 23 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 54/54 places, 91/91 transitions.
Normalized transition count is 68 out of 91 initially.
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:07:28] [INFO ] Computed 17 place invariants in 4 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1742 ms. (steps per millisecond=574 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 711 ms. (steps per millisecond=1406 ) properties (out of 1) seen :2
[2023-03-17 10:07:31] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:07:31] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-17 10:07:31] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 10:07:31] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 5 ms returned sat
[2023-03-17 10:07:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:31] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-17 10:07:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 10:07:31] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2023-03-17 10:07:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:31] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2023-03-17 10:07:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:31] [INFO ] [Nat]Added 13 Read/Feed constraints in 8 ms returned sat
[2023-03-17 10:07:31] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 11 ms.
[2023-03-17 10:07:31] [INFO ] Added : 21 causal constraints over 5 iterations in 75 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[2]
Support contains 3 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 10 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 16 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:07:31] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:07:31] [INFO ] Invariant cache hit.
[2023-03-17 10:07:31] [INFO ] Implicit Places using invariants in 113 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 115 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 51/54 places, 91/91 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 94
Applied a total of 6 rules in 15 ms. Remains 48 /51 variables (removed 3) and now considering 94/91 (removed -3) transitions.
[2023-03-17 10:07:31] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:31] [INFO ] Computed 14 place invariants in 8 ms
[2023-03-17 10:07:31] [INFO ] Implicit Places using invariants in 88 ms returned []
[2023-03-17 10:07:31] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
[2023-03-17 10:07:31] [INFO ] Invariant cache hit.
[2023-03-17 10:07:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:31] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 48/54 places, 94/91 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 360 ms. Remains : 48/54 places, 94/91 transitions.
Normalized transition count is 71 out of 94 initially.
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:31] [INFO ] Computed 14 place invariants in 1 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1333 ms. (steps per millisecond=750 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 606 ms. (steps per millisecond=1650 ) properties (out of 1) seen :2
[2023-03-17 10:07:33] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:33] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 10:07:33] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:07:33] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-17 10:07:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2023-03-17 10:07:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:07:33] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-17 10:07:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:33] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2023-03-17 10:07:33] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:33] [INFO ] [Nat]Added 13 Read/Feed constraints in 8 ms returned sat
[2023-03-17 10:07:33] [INFO ] Deduced a trap composed of 9 places in 45 ms of which 5 ms to minimize.
[2023-03-17 10:07:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2023-03-17 10:07:33] [INFO ] Computed and/alt/rep : 43/252/43 causal constraints (skipped 25 transitions) in 12 ms.
[2023-03-17 10:07:33] [INFO ] Added : 16 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[2]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 94/94 transitions.
Applied a total of 0 rules in 5 ms. Remains 48 /48 variables (removed 0) and now considering 94/94 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 48/48 places, 94/94 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 94/94 transitions.
Applied a total of 0 rules in 6 ms. Remains 48 /48 variables (removed 0) and now considering 94/94 (removed 0) transitions.
[2023-03-17 10:07:33] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
[2023-03-17 10:07:33] [INFO ] Invariant cache hit.
[2023-03-17 10:07:34] [INFO ] Implicit Places using invariants in 94 ms returned []
[2023-03-17 10:07:34] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
[2023-03-17 10:07:34] [INFO ] Invariant cache hit.
[2023-03-17 10:07:34] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:34] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2023-03-17 10:07:34] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-17 10:07:34] [INFO ] Flow matrix only has 71 transitions (discarded 23 similar events)
[2023-03-17 10:07:34] [INFO ] Invariant cache hit.
[2023-03-17 10:07:34] [INFO ] Dead Transitions using invariants and state equation in 155 ms found 9 transitions.
Found 9 dead transitions using SMT.
Drop transitions removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 48/48 places, 85/94 transitions.
Applied a total of 0 rules in 7 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
[2023-03-17 10:07:34] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 475 ms. Remains : 48/48 places, 85/94 transitions.
Normalized transition count is 71 out of 85 initially.
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:34] [INFO ] Computed 14 place invariants in 5 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1766 ms. (steps per millisecond=566 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 586 ms. (steps per millisecond=1706 ) properties (out of 1) seen :2
[2023-03-17 10:07:36] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:36] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 10:07:36] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:07:36] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-17 10:07:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:36] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2023-03-17 10:07:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-17 10:07:36] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-17 10:07:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:36] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2023-03-17 10:07:36] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:36] [INFO ] [Nat]Added 13 Read/Feed constraints in 9 ms returned sat
[2023-03-17 10:07:36] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
[2023-03-17 10:07:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2023-03-17 10:07:37] [INFO ] Computed and/alt/rep : 43/252/43 causal constraints (skipped 25 transitions) in 9 ms.
[2023-03-17 10:07:37] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
[2023-03-17 10:07:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2023-03-17 10:07:37] [INFO ] Added : 25 causal constraints over 5 iterations in 120 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : [7] Max seen :[2]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 85/85 transitions.
Applied a total of 0 rules in 8 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 48/48 places, 85/85 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 85/85 transitions.
Applied a total of 0 rules in 8 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
[2023-03-17 10:07:37] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:37] [INFO ] Invariant cache hit.
[2023-03-17 10:07:37] [INFO ] Implicit Places using invariants in 146 ms returned []
[2023-03-17 10:07:37] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:37] [INFO ] Invariant cache hit.
[2023-03-17 10:07:37] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:37] [INFO ] Implicit Places using invariants and state equation in 216 ms returned []
Implicit Place search using SMT with State Equation took 365 ms to find 0 implicit places.
[2023-03-17 10:07:37] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-17 10:07:37] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:37] [INFO ] Invariant cache hit.
[2023-03-17 10:07:37] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 538 ms. Remains : 48/48 places, 85/85 transitions.
Starting property specific reduction for SafeBus-PT-03-UpperBounds-02
Normalized transition count is 71 out of 85 initially.
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:37] [INFO ] Computed 14 place invariants in 2 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :2
[2023-03-17 10:07:37] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:37] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-17 10:07:37] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-17 10:07:37] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 10:07:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:37] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-17 10:07:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:37] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-17 10:07:37] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 10:07:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:38] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-17 10:07:38] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:38] [INFO ] [Nat]Added 13 Read/Feed constraints in 16 ms returned sat
[2023-03-17 10:07:38] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 3 ms to minimize.
[2023-03-17 10:07:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2023-03-17 10:07:38] [INFO ] Computed and/alt/rep : 43/252/43 causal constraints (skipped 25 transitions) in 13 ms.
[2023-03-17 10:07:38] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 1 ms to minimize.
[2023-03-17 10:07:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2023-03-17 10:07:38] [INFO ] Added : 25 causal constraints over 5 iterations in 205 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : [9] Max seen :[2]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 85/85 transitions.
Applied a total of 0 rules in 22 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 48/48 places, 85/85 transitions.
Normalized transition count is 71 out of 85 initially.
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:38] [INFO ] Computed 14 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1555 ms. (steps per millisecond=643 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 583 ms. (steps per millisecond=1715 ) properties (out of 1) seen :2
[2023-03-17 10:07:40] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
// Phase 1: matrix 71 rows 48 cols
[2023-03-17 10:07:40] [INFO ] Computed 14 place invariants in 0 ms
[2023-03-17 10:07:40] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:07:40] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-17 10:07:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:40] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-17 10:07:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:07:40] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-17 10:07:40] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 10:07:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:07:40] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-17 10:07:40] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:40] [INFO ] [Nat]Added 13 Read/Feed constraints in 14 ms returned sat
[2023-03-17 10:07:40] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 1 ms to minimize.
[2023-03-17 10:07:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2023-03-17 10:07:40] [INFO ] Computed and/alt/rep : 43/252/43 causal constraints (skipped 25 transitions) in 10 ms.
[2023-03-17 10:07:40] [INFO ] Deduced a trap composed of 9 places in 65 ms of which 1 ms to minimize.
[2023-03-17 10:07:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2023-03-17 10:07:41] [INFO ] Added : 25 causal constraints over 5 iterations in 191 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : [9] Max seen :[2]
Support contains 3 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 85/85 transitions.
Applied a total of 0 rules in 6 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 48/48 places, 85/85 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 85/85 transitions.
Applied a total of 0 rules in 7 ms. Remains 48 /48 variables (removed 0) and now considering 85/85 (removed 0) transitions.
[2023-03-17 10:07:41] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:41] [INFO ] Invariant cache hit.
[2023-03-17 10:07:41] [INFO ] Implicit Places using invariants in 127 ms returned []
[2023-03-17 10:07:41] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:41] [INFO ] Invariant cache hit.
[2023-03-17 10:07:41] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:07:41] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
[2023-03-17 10:07:41] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 10:07:41] [INFO ] Flow matrix only has 71 transitions (discarded 14 similar events)
[2023-03-17 10:07:41] [INFO ] Invariant cache hit.
[2023-03-17 10:07:41] [INFO ] Dead Transitions using invariants and state equation in 157 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 494 ms. Remains : 48/48 places, 85/85 transitions.
Ending property specific reduction for SafeBus-PT-03-UpperBounds-02 in 3860 ms.
[2023-03-17 10:07:41] [INFO ] Flatten gal took : 78 ms
[2023-03-17 10:07:41] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2023-03-17 10:07:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 48 places, 85 transitions and 502 arcs took 3 ms.
Total runtime 14560 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-PT-03
BK_EXAMINATION: UpperBounds
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
Upper Bounds

FORMULA SafeBus-PT-03-UpperBounds-02 2 TECHNIQUES SEQUENTIAL_PROCESSING TOPOLOGICAL EXPLICIT STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679047663069

--------------------
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/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/UpperBounds.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 5 (type EXCL) for 0 SafeBus-PT-03-UpperBounds-02
lola: time limit : 3599 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 3 (type FNDP) for 0 SafeBus-PT-03-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 4 (type EQUN) for 0 SafeBus-PT-03-UpperBounds-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Structural Bound: 3
sara: try reading problem file /home/mcc/execution/377/UpperBounds-4.sara.
lola: REPORT NUM
lola: FINISHED task # 5 (type EXCL) for SafeBus-PT-03-UpperBounds-02
lola: markings : 3492
lola: fired transitions : 8580
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 3 (type FNDP) for SafeBus-PT-03-UpperBounds-02 (obsolete)
lola: CANCELED task # 4 (type EQUN) for SafeBus-PT-03-UpperBounds-02 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
SafeBus-PT-03-UpperBounds-02: BOUND 2 state space


Time elapsed: 1 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="SafeBus-PT-03"
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 SafeBus-PT-03, 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 r359-smll-167891808700261"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 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 ;