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.r299-tall-167873952800333.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 smartxred
Input is PhilosophersDyn-PT-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r299-tall-167873952800333
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 52M
-rw-r--r-- 1 mcc users 118K Feb 26 13:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 462K Feb 26 13:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M Feb 26 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 9.6M Feb 26 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 66K Feb 25 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 189K Feb 25 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 5.6M Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 335K Feb 26 14:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.4M Feb 26 14:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 14:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15M Feb 26 14:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:34 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 14M 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 PhilosophersDyn-PT-20-UpperBounds-00
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-01
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-02
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-03
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-04
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-05
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-06
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-07
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-08
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-09
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-10
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-11
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-12
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-13
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-14
FORMULA_NAME PhilosophersDyn-PT-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679482763987

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=smartxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhilosophersDyn-PT-20
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-22 10:59:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-22 10:59:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 10:59:25] [INFO ] Load time of PNML (sax parser for PT used): 527 ms
[2023-03-22 10:59:25] [INFO ] Transformed 540 places.
[2023-03-22 10:59:26] [INFO ] Transformed 17220 transitions.
[2023-03-22 10:59:26] [INFO ] Parsed PT model containing 540 places and 17220 transitions and 140780 arcs in 689 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Ensure Unique test removed 190 transitions
Reduce redundant transitions removed 190 transitions.
Normalized transition count is 15510 out of 17030 initially.
// Phase 1: matrix 15510 rows 540 cols
[2023-03-22 10:59:27] [INFO ] Computed 79 place invariants in 1259 ms
FORMULA PhilosophersDyn-PT-20-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1142 resets, run finished after 680 ms. (steps per millisecond=14 ) properties (out of 15) seen :28
FORMULA PhilosophersDyn-PT-20-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 10) seen :19
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 10) seen :23
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 10) seen :21
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 10) seen :22
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 10) seen :22
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 10) seen :16
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 10) seen :20
Incomplete Best-First random walk after 10000 steps, including 30 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 10) seen :18
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 10) seen :21
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 10) seen :22
[2023-03-22 10:59:28] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
// Phase 1: matrix 15510 rows 540 cols
[2023-03-22 10:59:29] [INFO ] Computed 79 place invariants in 1007 ms
[2023-03-22 10:59:29] [INFO ] [Real]Absence check using 53 positive place invariants in 17 ms returned sat
[2023-03-22 10:59:29] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 16 ms returned sat
[2023-03-22 10:59:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:34] [INFO ] [Real]Absence check using state equation in 4851 ms returned unknown
[2023-03-22 10:59:34] [INFO ] [Real]Absence check using 53 positive place invariants in 15 ms returned sat
[2023-03-22 10:59:34] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 16 ms returned sat
[2023-03-22 10:59:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:39] [INFO ] [Real]Absence check using state equation in 4934 ms returned unknown
[2023-03-22 10:59:39] [INFO ] [Real]Absence check using 53 positive place invariants in 10 ms returned sat
[2023-03-22 10:59:39] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 15 ms returned sat
[2023-03-22 10:59:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:44] [INFO ] [Real]Absence check using state equation in 4938 ms returned unknown
[2023-03-22 10:59:44] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 10:59:44] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 25 ms returned sat
[2023-03-22 10:59:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:49] [INFO ] [Real]Absence check using state equation in 4929 ms returned unknown
[2023-03-22 10:59:49] [INFO ] [Real]Absence check using 53 positive place invariants in 10 ms returned sat
[2023-03-22 10:59:49] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 15 ms returned sat
[2023-03-22 10:59:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:54] [INFO ] [Real]Absence check using state equation in 4935 ms returned unknown
[2023-03-22 10:59:54] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 10:59:54] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 15 ms returned sat
[2023-03-22 10:59:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 10:59:59] [INFO ] [Real]Absence check using state equation in 4938 ms returned unknown
[2023-03-22 10:59:59] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 10:59:59] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 16 ms returned sat
[2023-03-22 10:59:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:00:04] [INFO ] [Real]Absence check using state equation in 4938 ms returned unknown
[2023-03-22 11:00:04] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 11:00:05] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 4 ms returned unsat
[2023-03-22 11:00:05] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 11:00:05] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 15 ms returned sat
[2023-03-22 11:00:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:00:10] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
[2023-03-22 11:00:10] [INFO ] [Real]Absence check using 53 positive place invariants in 11 ms returned sat
[2023-03-22 11:00:10] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 15 ms returned sat
[2023-03-22 11:00:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:00:15] [INFO ] [Real]Absence check using state equation in 4944 ms returned unknown
Current structural bounds on expressions (after SMT) : [20, 20, 20, -1, 20, 20, 20, 1, -1, -1] Max seen :[2, 2, 2, 4, 2, 4, 4, 1, 1, 1]
FORMULA PhilosophersDyn-PT-20-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 482 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 17030/17030 transitions.
Applied a total of 0 rules in 3962 ms. Remains 540 /540 variables (removed 0) and now considering 17030/17030 (removed 0) transitions.
[2023-03-22 11:00:19] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
[2023-03-22 11:00:19] [INFO ] Invariant cache hit.
[2023-03-22 11:00:26] [INFO ] Dead Transitions using invariants and state equation in 7639 ms found 1560 transitions.
Found 1560 dead transitions using SMT.
Drop transitions removed 1560 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 540/540 places, 15470/17030 transitions.
Applied a total of 0 rules in 3156 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14773 ms. Remains : 540/540 places, 15470/17030 transitions.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 11:00:31] [INFO ] Computed 79 place invariants in 1786 ms
Finished random walk after 527530 steps, including 60381 resets, run visited all 9 properties in 30001 ms. (steps per millisecond=17 )
Incomplete Best-First random walk after 1000001 steps, including 3559 resets, run finished after 2785 ms. (steps per millisecond=359 ) properties (out of 9) seen :22
Incomplete Best-First random walk after 1000001 steps, including 3577 resets, run finished after 2853 ms. (steps per millisecond=350 ) properties (out of 9) seen :22
Incomplete Best-First random walk after 1000001 steps, including 3588 resets, run finished after 2851 ms. (steps per millisecond=350 ) properties (out of 9) seen :22
Finished Best-First random walk after 689112 steps, including 2412 resets, run visited all 9 properties in 5002 ms. (steps per millisecond=137 )
Incomplete Best-First random walk after 1000001 steps, including 3586 resets, run finished after 2800 ms. (steps per millisecond=357 ) properties (out of 9) seen :22
Incomplete Best-First random walk after 1000001 steps, including 2712 resets, run finished after 2387 ms. (steps per millisecond=418 ) properties (out of 9) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2717 resets, run finished after 2349 ms. (steps per millisecond=425 ) properties (out of 9) seen :20
Incomplete Best-First random walk after 1000001 steps, including 3491 resets, run finished after 2345 ms. (steps per millisecond=426 ) properties (out of 9) seen :22
Incomplete Best-First random walk after 1000001 steps, including 3487 resets, run finished after 2363 ms. (steps per millisecond=423 ) properties (out of 9) seen :22
[2023-03-22 11:01:27] [INFO ] Invariant cache hit.
[2023-03-22 11:01:27] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:01:27] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:01:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:01:38] [INFO ] [Real]Absence check using state equation in 10781 ms returned sat
[2023-03-22 11:01:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:01:38] [INFO ] [Nat]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:01:38] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:01:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:01:48] [INFO ] [Nat]Absence check using state equation in 9389 ms returned sat
[2023-03-22 11:01:48] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:01:52] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:01:55] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7049 ms returned unknown
[2023-03-22 11:01:55] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:01:55] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 20 ms returned sat
[2023-03-22 11:01:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:02:07] [INFO ] [Real]Absence check using state equation in 11892 ms returned sat
[2023-03-22 11:02:07] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:02:07] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:02:07] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 20 ms returned sat
[2023-03-22 11:02:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:02:19] [INFO ] [Nat]Absence check using state equation in 11302 ms returned sat
[2023-03-22 11:02:23] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:02:26] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7007 ms returned unknown
[2023-03-22 11:02:26] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:02:26] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 20 ms returned sat
[2023-03-22 11:02:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:02:38] [INFO ] [Real]Absence check using state equation in 11836 ms returned sat
[2023-03-22 11:02:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:02:38] [INFO ] [Nat]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:02:38] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:02:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:02:49] [INFO ] [Nat]Absence check using state equation in 11177 ms returned sat
[2023-03-22 11:02:53] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:02:56] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6996 ms returned unknown
[2023-03-22 11:02:56] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:02:56] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 31 ms returned sat
[2023-03-22 11:02:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:03:07] [INFO ] [Real]Absence check using state equation in 11069 ms returned sat
[2023-03-22 11:03:12] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:03:15] [INFO ] [Real]Added 8020 Read/Feed constraints in 6988 ms returned unknown
[2023-03-22 11:03:15] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:03:15] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 30 ms returned sat
[2023-03-22 11:03:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:03:27] [INFO ] [Real]Absence check using state equation in 11770 ms returned sat
[2023-03-22 11:03:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:03:27] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:03:27] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 20 ms returned sat
[2023-03-22 11:03:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:03:38] [INFO ] [Nat]Absence check using state equation in 11181 ms returned sat
[2023-03-22 11:03:42] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:03:45] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7039 ms returned unknown
[2023-03-22 11:03:45] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:03:45] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 31 ms returned sat
[2023-03-22 11:03:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:03:53] [INFO ] [Real]Absence check using state equation in 7435 ms returned sat
[2023-03-22 11:03:57] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:04:00] [INFO ] [Real]Added 8020 Read/Feed constraints in 7004 ms returned unknown
[2023-03-22 11:04:00] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:04:00] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 23 ms returned sat
[2023-03-22 11:04:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:04:12] [INFO ] [Real]Absence check using state equation in 12421 ms returned sat
[2023-03-22 11:04:17] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:04:20] [INFO ] [Real]Added 8020 Read/Feed constraints in 7015 ms returned unknown
[2023-03-22 11:04:20] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:04:20] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:04:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:04:31] [INFO ] [Real]Absence check using state equation in 10880 ms returned sat
[2023-03-22 11:04:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:04:31] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:04:31] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 20 ms returned sat
[2023-03-22 11:04:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:04:43] [INFO ] [Nat]Absence check using state equation in 12030 ms returned sat
[2023-03-22 11:04:47] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:04:50] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7009 ms returned unknown
[2023-03-22 11:04:50] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:04:50] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 26 ms returned sat
[2023-03-22 11:04:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:05:00] [INFO ] [Real]Absence check using state equation in 9767 ms returned sat
[2023-03-22 11:05:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:05:00] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:05:00] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:05:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:05:12] [INFO ] [Nat]Absence check using state equation in 11238 ms returned sat
[2023-03-22 11:05:16] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:05:19] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6971 ms returned unknown
Current structural bounds on expressions (after SMT) : [20, 20, 20, -1, 20, 20, 20, -1, -1] Max seen :[2, 2, 2, 4, 2, 4, 4, 1, 1]
Support contains 482 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3335 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3335 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3082 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:05:34] [INFO ] Invariant cache hit.
[2023-03-22 11:05:35] [INFO ] Implicit Places using invariants in 1436 ms returned []
Implicit Place search using SMT only with invariants took 1437 ms to find 0 implicit places.
[2023-03-22 11:05:35] [INFO ] Invariant cache hit.
[2023-03-22 11:05:43] [INFO ] Dead Transitions using invariants and state equation in 7338 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11859 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-00
[2023-03-22 11:05:43] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 1144 resets, run finished after 501 ms. (steps per millisecond=19 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :2
[2023-03-22 11:05:43] [INFO ] Invariant cache hit.
[2023-03-22 11:05:43] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:05:43] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:05:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:05:48] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 540 transition count 15450
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 40 place count 520 transition count 15450
Applied a total of 40 rules in 6815 ms. Remains 520 /540 variables (removed 20) and now considering 15450/15470 (removed 20) transitions.
// Phase 1: matrix 15450 rows 520 cols
[2023-03-22 11:05:56] [INFO ] Computed 79 place invariants in 1341 ms
[2023-03-22 11:06:03] [INFO ] Dead Transitions using invariants and state equation in 8392 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15208 ms. Remains : 520/540 places, 15450/15470 transitions.
[2023-03-22 11:06:04] [INFO ] Invariant cache hit.
Finished random walk after 618235 steps, including 70788 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 3625 resets, run finished after 2381 ms. (steps per millisecond=419 ) properties (out of 1) seen :2
[2023-03-22 11:06:36] [INFO ] Invariant cache hit.
[2023-03-22 11:06:36] [INFO ] [Real]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-22 11:06:36] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 25 ms returned sat
[2023-03-22 11:06:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:06:46] [INFO ] [Real]Absence check using state equation in 10457 ms returned sat
[2023-03-22 11:06:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:06:47] [INFO ] [Nat]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-22 11:06:47] [INFO ] [Nat]Absence check using 23 positive and 56 generalized place invariants in 30 ms returned sat
[2023-03-22 11:06:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:06:57] [INFO ] [Nat]Absence check using state equation in 10503 ms returned sat
[2023-03-22 11:06:58] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:07:01] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:07:04] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6805 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 520 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3201 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3201 ms. Remains : 520/520 places, 15450/15450 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3201 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
[2023-03-22 11:07:11] [INFO ] Invariant cache hit.
[2023-03-22 11:07:14] [INFO ] Implicit Places using invariants in 3153 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 378, 407, 450, 451]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3197 ms to find 20 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 500/520 places, 15450/15450 transitions.
Free-agglomeration rule applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 500 transition count 15430
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 40 place count 480 transition count 15430
Applied a total of 40 rules in 6507 ms. Remains 480 /500 variables (removed 20) and now considering 15430/15450 (removed 20) transitions.
// Phase 1: matrix 15430 rows 480 cols
[2023-03-22 11:07:21] [INFO ] Computed 59 place invariants in 829 ms
[2023-03-22 11:07:24] [INFO ] Implicit Places using invariants in 3963 ms returned []
Implicit Place search using SMT only with invariants took 3964 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 480/520 places, 15430/15450 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 16869 ms. Remains : 480/520 places, 15430/15450 transitions.
[2023-03-22 11:07:24] [INFO ] Invariant cache hit.
Finished random walk after 434635 steps, including 75147 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=14 )
Incomplete Best-First random walk after 1000001 steps, including 4237 resets, run finished after 2128 ms. (steps per millisecond=469 ) properties (out of 1) seen :2
[2023-03-22 11:07:57] [INFO ] Invariant cache hit.
[2023-03-22 11:07:57] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:07:57] [INFO ] [Real]Absence check using 27 positive and 32 generalized place invariants in 16 ms returned sat
[2023-03-22 11:07:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:08:05] [INFO ] [Real]Absence check using state equation in 7961 ms returned sat
[2023-03-22 11:08:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:08:05] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:08:05] [INFO ] [Nat]Absence check using 27 positive and 32 generalized place invariants in 16 ms returned sat
[2023-03-22 11:08:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:08:14] [INFO ] [Nat]Absence check using state equation in 9346 ms returned sat
[2023-03-22 11:08:15] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:08:18] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:08:21] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6795 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 15430/15430 transitions.
Applied a total of 0 rules in 3214 ms. Remains 480 /480 variables (removed 0) and now considering 15430/15430 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3214 ms. Remains : 480/480 places, 15430/15430 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 15430/15430 transitions.
Applied a total of 0 rules in 3211 ms. Remains 480 /480 variables (removed 0) and now considering 15430/15430 (removed 0) transitions.
[2023-03-22 11:08:28] [INFO ] Invariant cache hit.
[2023-03-22 11:08:31] [INFO ] Implicit Places using invariants in 3126 ms returned []
Implicit Place search using SMT only with invariants took 3127 ms to find 0 implicit places.
[2023-03-22 11:08:31] [INFO ] Invariant cache hit.
[2023-03-22 11:08:38] [INFO ] Dead Transitions using invariants and state equation in 6966 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13307 ms. Remains : 480/480 places, 15430/15430 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-00 in 175191 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-01
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 11:08:40] [INFO ] Computed 79 place invariants in 1777 ms
Incomplete random walk after 10000 steps, including 1141 resets, run finished after 495 ms. (steps per millisecond=20 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :2
[2023-03-22 11:08:40] [INFO ] Invariant cache hit.
[2023-03-22 11:08:40] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:08:40] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:08:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:08:45] [INFO ] [Real]Absence check using state equation in 4945 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3262 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:08:49] [INFO ] Invariant cache hit.
[2023-03-22 11:08:56] [INFO ] Dead Transitions using invariants and state equation in 7165 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10427 ms. Remains : 540/540 places, 15470/15470 transitions.
[2023-03-22 11:08:56] [INFO ] Invariant cache hit.
Finished random walk after 620897 steps, including 71113 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 3589 resets, run finished after 2402 ms. (steps per millisecond=416 ) properties (out of 1) seen :2
[2023-03-22 11:09:28] [INFO ] Invariant cache hit.
[2023-03-22 11:09:28] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:09:28] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 23 ms returned sat
[2023-03-22 11:09:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:09:40] [INFO ] [Real]Absence check using state equation in 11714 ms returned sat
[2023-03-22 11:09:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:09:40] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:09:40] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:09:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:09:51] [INFO ] [Nat]Absence check using state equation in 10935 ms returned sat
[2023-03-22 11:09:51] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:09:55] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:09:58] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7025 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3148 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3149 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3134 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:10:05] [INFO ] Invariant cache hit.
[2023-03-22 11:10:08] [INFO ] Implicit Places using invariants in 2990 ms returned []
Implicit Place search using SMT only with invariants took 2991 ms to find 0 implicit places.
[2023-03-22 11:10:08] [INFO ] Invariant cache hit.
[2023-03-22 11:10:15] [INFO ] Dead Transitions using invariants and state equation in 7095 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13223 ms. Remains : 540/540 places, 15470/15470 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-01 in 96914 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-02
[2023-03-22 11:10:15] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 1143 resets, run finished after 475 ms. (steps per millisecond=21 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10000 steps, including 35 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :2
[2023-03-22 11:10:15] [INFO ] Invariant cache hit.
[2023-03-22 11:10:15] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:10:15] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:10:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:10:20] [INFO ] [Real]Absence check using state equation in 4936 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3144 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:10:23] [INFO ] Invariant cache hit.
[2023-03-22 11:10:30] [INFO ] Dead Transitions using invariants and state equation in 6964 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10109 ms. Remains : 540/540 places, 15470/15470 transitions.
[2023-03-22 11:10:30] [INFO ] Invariant cache hit.
Finished random walk after 619066 steps, including 70922 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 3583 resets, run finished after 2440 ms. (steps per millisecond=409 ) properties (out of 1) seen :2
[2023-03-22 11:11:03] [INFO ] Invariant cache hit.
[2023-03-22 11:11:03] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:11:03] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:11:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:11:15] [INFO ] [Real]Absence check using state equation in 11880 ms returned sat
[2023-03-22 11:11:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:11:15] [INFO ] [Nat]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:11:15] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:11:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:11:27] [INFO ] [Nat]Absence check using state equation in 11437 ms returned sat
[2023-03-22 11:11:27] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:11:31] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:11:34] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7077 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3254 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3254 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3220 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:11:40] [INFO ] Invariant cache hit.
[2023-03-22 11:11:43] [INFO ] Implicit Places using invariants in 3010 ms returned []
Implicit Place search using SMT only with invariants took 3011 ms to find 0 implicit places.
[2023-03-22 11:11:43] [INFO ] Invariant cache hit.
[2023-03-22 11:11:51] [INFO ] Dead Transitions using invariants and state equation in 7167 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13402 ms. Remains : 540/540 places, 15470/15470 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-02 in 95885 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-03
[2023-03-22 11:11:51] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 1136 resets, run finished after 527 ms. (steps per millisecond=18 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :4
[2023-03-22 11:11:51] [INFO ] Invariant cache hit.
[2023-03-22 11:11:51] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:11:51] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:11:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:11:56] [INFO ] [Real]Absence check using state equation in 4937 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 400 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 540 transition count 15450
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 40 place count 520 transition count 15450
Applied a total of 40 rules in 6226 ms. Remains 520 /540 variables (removed 20) and now considering 15450/15470 (removed 20) transitions.
// Phase 1: matrix 15450 rows 520 cols
[2023-03-22 11:12:04] [INFO ] Computed 79 place invariants in 1306 ms
[2023-03-22 11:12:11] [INFO ] Dead Transitions using invariants and state equation in 8406 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14634 ms. Remains : 520/540 places, 15450/15470 transitions.
[2023-03-22 11:12:11] [INFO ] Invariant cache hit.
Finished random walk after 558269 steps, including 63912 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=18 )
Finished Best-First random walk after 763290 steps, including 2712 resets, run visited all 1 properties in 5001 ms. (steps per millisecond=152 )
[2023-03-22 11:12:46] [INFO ] Invariant cache hit.
[2023-03-22 11:12:46] [INFO ] [Real]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-22 11:12:46] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 25 ms returned sat
[2023-03-22 11:12:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:12:54] [INFO ] [Real]Absence check using state equation in 7429 ms returned sat
[2023-03-22 11:12:54] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:12:58] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:13:01] [INFO ] [Real]Added 8020 Read/Feed constraints in 6840 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 400 out of 520 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3099 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3099 ms. Remains : 520/520 places, 15450/15450 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3097 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
[2023-03-22 11:13:13] [INFO ] Invariant cache hit.
[2023-03-22 11:13:15] [INFO ] Implicit Places using invariants in 1525 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 378, 407, 450, 451]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 1567 ms to find 20 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 500/520 places, 15450/15450 transitions.
Free-agglomeration rule applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 500 transition count 15430
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 40 place count 480 transition count 15430
Applied a total of 40 rules in 6279 ms. Remains 480 /500 variables (removed 20) and now considering 15430/15450 (removed 20) transitions.
// Phase 1: matrix 15430 rows 480 cols
[2023-03-22 11:13:22] [INFO ] Computed 59 place invariants in 833 ms
[2023-03-22 11:13:24] [INFO ] Implicit Places using invariants in 2396 ms returned []
Implicit Place search using SMT only with invariants took 2399 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 480/520 places, 15430/15450 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 13342 ms. Remains : 480/520 places, 15430/15450 transitions.
[2023-03-22 11:13:24] [INFO ] Invariant cache hit.
Finished random walk after 399197 steps, including 68980 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=13 )
Finished Best-First random walk after 771833 steps, including 2934 resets, run visited all 1 properties in 5001 ms. (steps per millisecond=154 )
[2023-03-22 11:13:59] [INFO ] Invariant cache hit.
[2023-03-22 11:13:59] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:13:59] [INFO ] [Real]Absence check using 27 positive and 32 generalized place invariants in 17 ms returned sat
[2023-03-22 11:13:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:14:06] [INFO ] [Real]Absence check using state equation in 7739 ms returned sat
[2023-03-22 11:14:07] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:14:11] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:14:14] [INFO ] [Real]Added 8020 Read/Feed constraints in 6851 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 400 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 15430/15430 transitions.
Applied a total of 0 rules in 3089 ms. Remains 480 /480 variables (removed 0) and now considering 15430/15430 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3089 ms. Remains : 480/480 places, 15430/15430 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 15430/15430 transitions.
Applied a total of 0 rules in 3096 ms. Remains 480 /480 variables (removed 0) and now considering 15430/15430 (removed 0) transitions.
[2023-03-22 11:14:25] [INFO ] Invariant cache hit.
[2023-03-22 11:14:27] [INFO ] Implicit Places using invariants in 1610 ms returned []
Implicit Place search using SMT only with invariants took 1611 ms to find 0 implicit places.
[2023-03-22 11:14:27] [INFO ] Invariant cache hit.
[2023-03-22 11:14:34] [INFO ] Dead Transitions using invariants and state equation in 7141 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11850 ms. Remains : 480/480 places, 15430/15430 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-03 in 163302 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-04
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 11:14:36] [INFO ] Computed 79 place invariants in 1803 ms
Incomplete random walk after 10000 steps, including 1147 resets, run finished after 487 ms. (steps per millisecond=20 ) properties (out of 1) seen :2
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :2
[2023-03-22 11:14:36] [INFO ] Invariant cache hit.
[2023-03-22 11:14:36] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:14:36] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 30 ms returned sat
[2023-03-22 11:14:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:14:41] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3220 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:14:45] [INFO ] Invariant cache hit.
[2023-03-22 11:14:52] [INFO ] Dead Transitions using invariants and state equation in 7144 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10365 ms. Remains : 540/540 places, 15470/15470 transitions.
[2023-03-22 11:14:52] [INFO ] Invariant cache hit.
Finished random walk after 621646 steps, including 71096 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 3585 resets, run finished after 2423 ms. (steps per millisecond=412 ) properties (out of 1) seen :2
[2023-03-22 11:15:24] [INFO ] Invariant cache hit.
[2023-03-22 11:15:24] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:15:24] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:15:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:15:36] [INFO ] [Real]Absence check using state equation in 11874 ms returned sat
[2023-03-22 11:15:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:15:36] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:15:36] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:15:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:15:48] [INFO ] [Nat]Absence check using state equation in 11387 ms returned sat
[2023-03-22 11:15:48] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:15:52] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:15:55] [INFO ] [Nat]Added 8020 Read/Feed constraints in 7064 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[2]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3229 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3230 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3214 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:16:02] [INFO ] Invariant cache hit.
[2023-03-22 11:16:05] [INFO ] Implicit Places using invariants in 2957 ms returned []
Implicit Place search using SMT only with invariants took 2959 ms to find 0 implicit places.
[2023-03-22 11:16:05] [INFO ] Invariant cache hit.
[2023-03-22 11:16:11] [INFO ] Dead Transitions using invariants and state equation in 6839 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13014 ms. Remains : 540/540 places, 15470/15470 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-04 in 97400 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-05
[2023-03-22 11:16:11] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 1144 resets, run finished after 481 ms. (steps per millisecond=20 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10000 steps, including 26 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :4
[2023-03-22 11:16:12] [INFO ] Invariant cache hit.
[2023-03-22 11:16:12] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:16:12] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 30 ms returned sat
[2023-03-22 11:16:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:16:17] [INFO ] [Real]Absence check using state equation in 4924 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3223 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:16:20] [INFO ] Invariant cache hit.
[2023-03-22 11:16:27] [INFO ] Dead Transitions using invariants and state equation in 7153 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10377 ms. Remains : 540/540 places, 15470/15470 transitions.
[2023-03-22 11:16:27] [INFO ] Invariant cache hit.
Finished random walk after 622824 steps, including 71326 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 2712 resets, run finished after 2064 ms. (steps per millisecond=484 ) properties (out of 1) seen :4
[2023-03-22 11:16:59] [INFO ] Invariant cache hit.
[2023-03-22 11:16:59] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:16:59] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:16:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:17:07] [INFO ] [Real]Absence check using state equation in 7660 ms returned sat
[2023-03-22 11:17:08] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:17:12] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:17:15] [INFO ] [Real]Added 8020 Read/Feed constraints in 7016 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3223 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3223 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3218 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 11:17:23] [INFO ] Invariant cache hit.
[2023-03-22 11:17:26] [INFO ] Implicit Places using invariants in 3021 ms returned []
Implicit Place search using SMT only with invariants took 3022 ms to find 0 implicit places.
[2023-03-22 11:17:26] [INFO ] Invariant cache hit.
[2023-03-22 11:17:33] [INFO ] Dead Transitions using invariants and state equation in 6843 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13085 ms. Remains : 540/540 places, 15470/15470 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-05 in 81579 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-06
[2023-03-22 11:17:33] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 1146 resets, run finished after 482 ms. (steps per millisecond=20 ) properties (out of 1) seen :4
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :4
[2023-03-22 11:17:33] [INFO ] Invariant cache hit.
[2023-03-22 11:17:34] [INFO ] [Real]Absence check using 27 positive place invariants in 8 ms returned sat
[2023-03-22 11:17:34] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:17:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:17:38] [INFO ] [Real]Absence check using state equation in 4934 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 20 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 540 transition count 15450
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 40 place count 520 transition count 15450
Applied a total of 40 rules in 6501 ms. Remains 520 /540 variables (removed 20) and now considering 15450/15470 (removed 20) transitions.
// Phase 1: matrix 15450 rows 520 cols
[2023-03-22 11:17:46] [INFO ] Computed 79 place invariants in 1324 ms
[2023-03-22 11:17:53] [INFO ] Dead Transitions using invariants and state equation in 8435 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14937 ms. Remains : 520/540 places, 15450/15470 transitions.
[2023-03-22 11:17:53] [INFO ] Invariant cache hit.
Finished random walk after 612834 steps, including 70162 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 2785 resets, run finished after 2125 ms. (steps per millisecond=470 ) properties (out of 1) seen :4
[2023-03-22 11:18:26] [INFO ] Invariant cache hit.
[2023-03-22 11:18:26] [INFO ] [Real]Absence check using 23 positive place invariants in 6 ms returned sat
[2023-03-22 11:18:26] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 24 ms returned sat
[2023-03-22 11:18:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:18:37] [INFO ] [Real]Absence check using state equation in 11246 ms returned sat
[2023-03-22 11:18:37] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:18:41] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:18:44] [INFO ] [Real]Added 8020 Read/Feed constraints in 6879 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 20 out of 520 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3194 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3194 ms. Remains : 520/520 places, 15450/15450 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 520/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3200 ms. Remains 520 /520 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
[2023-03-22 11:18:53] [INFO ] Invariant cache hit.
[2023-03-22 11:18:57] [INFO ] Implicit Places using invariants in 3070 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 378, 407, 450, 451]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3110 ms to find 20 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 500/520 places, 15450/15450 transitions.
Applied a total of 0 rules in 3190 ms. Remains 500 /500 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 9502 ms. Remains : 500/520 places, 15450/15450 transitions.
// Phase 1: matrix 15450 rows 500 cols
[2023-03-22 11:19:01] [INFO ] Computed 59 place invariants in 1222 ms
Finished random walk after 632487 steps, including 72364 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=21 )
Incomplete Best-First random walk after 1000001 steps, including 2785 resets, run finished after 2063 ms. (steps per millisecond=484 ) properties (out of 1) seen :4
[2023-03-22 11:19:33] [INFO ] Invariant cache hit.
[2023-03-22 11:19:33] [INFO ] [Real]Absence check using 25 positive place invariants in 7 ms returned sat
[2023-03-22 11:19:33] [INFO ] [Real]Absence check using 25 positive and 34 generalized place invariants in 33 ms returned sat
[2023-03-22 11:19:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:19:41] [INFO ] [Real]Absence check using state equation in 7879 ms returned sat
[2023-03-22 11:19:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:19:41] [INFO ] [Nat]Absence check using 25 positive place invariants in 7 ms returned sat
[2023-03-22 11:19:41] [INFO ] [Nat]Absence check using 25 positive and 34 generalized place invariants in 24 ms returned sat
[2023-03-22 11:19:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:19:49] [INFO ] [Nat]Absence check using state equation in 7616 ms returned sat
[2023-03-22 11:19:49] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:19:53] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:19:56] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6874 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[4]
Support contains 20 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 15450/15450 transitions.
Applied a total of 0 rules in 3192 ms. Remains 500 /500 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3192 ms. Remains : 500/500 places, 15450/15450 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 15450/15450 transitions.
Applied a total of 0 rules in 3195 ms. Remains 500 /500 variables (removed 0) and now considering 15450/15450 (removed 0) transitions.
[2023-03-22 11:20:02] [INFO ] Invariant cache hit.
[2023-03-22 11:20:05] [INFO ] Implicit Places using invariants in 2909 ms returned []
Implicit Place search using SMT only with invariants took 2910 ms to find 0 implicit places.
[2023-03-22 11:20:05] [INFO ] Invariant cache hit.
[2023-03-22 11:20:12] [INFO ] Dead Transitions using invariants and state equation in 7068 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13177 ms. Remains : 500/500 places, 15450/15450 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-06 in 159541 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-12
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 11:20:14] [INFO ] Computed 79 place invariants in 1736 ms
Incomplete random walk after 10000 steps, including 1153 resets, run finished after 471 ms. (steps per millisecond=21 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :1
[2023-03-22 11:20:15] [INFO ] Invariant cache hit.
[2023-03-22 11:20:15] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:20:15] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 22 ms returned sat
[2023-03-22 11:20:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:20:20] [INFO ] [Real]Absence check using state equation in 4935 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6535 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-22 11:20:28] [INFO ] Computed 79 place invariants in 1378 ms
[2023-03-22 11:20:35] [INFO ] Dead Transitions using invariants and state equation in 8523 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15059 ms. Remains : 521/540 places, 15451/15470 transitions.
[2023-03-22 11:20:35] [INFO ] Invariant cache hit.
Finished random walk after 629177 steps, including 72000 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=20 )
Incomplete Best-First random walk after 1000001 steps, including 3498 resets, run finished after 1995 ms. (steps per millisecond=501 ) properties (out of 1) seen :1
[2023-03-22 11:21:07] [INFO ] Invariant cache hit.
[2023-03-22 11:21:07] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2023-03-22 11:21:07] [INFO ] [Real]Absence check using 16 positive and 63 generalized place invariants in 29 ms returned sat
[2023-03-22 11:21:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:21:18] [INFO ] [Real]Absence check using state equation in 10890 ms returned sat
[2023-03-22 11:21:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:21:18] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2023-03-22 11:21:18] [INFO ] [Nat]Absence check using 16 positive and 63 generalized place invariants in 37 ms returned sat
[2023-03-22 11:21:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:21:29] [INFO ] [Nat]Absence check using state equation in 10398 ms returned sat
[2023-03-22 11:21:29] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:21:33] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:21:36] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6852 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3199 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3200 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3196 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-22 11:21:42] [INFO ] Invariant cache hit.
[2023-03-22 11:21:45] [INFO ] Implicit Places using invariants in 3065 ms returned [29, 60, 86, 88, 111, 126, 143, 163, 237, 251, 281, 320, 333, 346, 362, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3105 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6454 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-22 11:21:53] [INFO ] Computed 60 place invariants in 1330 ms
[2023-03-22 11:21:56] [INFO ] Implicit Places using invariants in 4406 ms returned []
Implicit Place search using SMT only with invariants took 4407 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 17162 ms. Remains : 483/521 places, 15432/15451 transitions.
[2023-03-22 11:21:56] [INFO ] Invariant cache hit.
Finished random walk after 447115 steps, including 75253 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=14 )
Incomplete Best-First random walk after 1000001 steps, including 3711 resets, run finished after 2003 ms. (steps per millisecond=499 ) properties (out of 1) seen :1
[2023-03-22 11:22:28] [INFO ] Invariant cache hit.
[2023-03-22 11:22:28] [INFO ] [Real]Absence check using 22 positive place invariants in 6 ms returned sat
[2023-03-22 11:22:28] [INFO ] [Real]Absence check using 22 positive and 38 generalized place invariants in 21 ms returned sat
[2023-03-22 11:22:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:22:44] [INFO ] [Real]Absence check using state equation in 16134 ms returned sat
[2023-03-22 11:22:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:22:45] [INFO ] [Nat]Absence check using 22 positive place invariants in 6 ms returned sat
[2023-03-22 11:22:45] [INFO ] [Nat]Absence check using 22 positive and 38 generalized place invariants in 19 ms returned sat
[2023-03-22 11:22:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:23:01] [INFO ] [Nat]Absence check using state equation in 16333 ms returned sat
[2023-03-22 11:23:01] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:23:05] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:23:08] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6882 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3181 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3182 ms. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3165 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
[2023-03-22 11:23:14] [INFO ] Invariant cache hit.
[2023-03-22 11:23:17] [INFO ] Implicit Places using invariants in 3017 ms returned []
Implicit Place search using SMT only with invariants took 3018 ms to find 0 implicit places.
[2023-03-22 11:23:17] [INFO ] Invariant cache hit.
[2023-03-22 11:23:24] [INFO ] Dead Transitions using invariants and state equation in 7105 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13290 ms. Remains : 483/483 places, 15432/15432 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-12 in 191990 ms.
Starting property specific reduction for PhilosophersDyn-PT-20-UpperBounds-14
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 11:23:26] [INFO ] Computed 79 place invariants in 1780 ms
Incomplete random walk after 10000 steps, including 1148 resets, run finished after 468 ms. (steps per millisecond=21 ) properties (out of 1) seen :1
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :1
[2023-03-22 11:23:27] [INFO ] Invariant cache hit.
[2023-03-22 11:23:27] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 11:23:27] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 21 ms returned sat
[2023-03-22 11:23:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:23:32] [INFO ] [Real]Absence check using state equation in 4931 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Free-agglomeration rule (complex) applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 540 transition count 15451
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 521 transition count 15451
Applied a total of 38 rules in 6437 ms. Remains 521 /540 variables (removed 19) and now considering 15451/15470 (removed 19) transitions.
// Phase 1: matrix 15451 rows 521 cols
[2023-03-22 11:23:39] [INFO ] Computed 79 place invariants in 1178 ms
[2023-03-22 11:23:47] [INFO ] Dead Transitions using invariants and state equation in 8403 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14841 ms. Remains : 521/540 places, 15451/15470 transitions.
[2023-03-22 11:23:47] [INFO ] Invariant cache hit.
Finished random walk after 632711 steps, including 72428 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=21 )
Incomplete Best-First random walk after 1000001 steps, including 3501 resets, run finished after 1964 ms. (steps per millisecond=509 ) properties (out of 1) seen :1
[2023-03-22 11:24:19] [INFO ] Invariant cache hit.
[2023-03-22 11:24:19] [INFO ] [Real]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-22 11:24:19] [INFO ] [Real]Absence check using 23 positive and 56 generalized place invariants in 37 ms returned sat
[2023-03-22 11:24:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:24:26] [INFO ] [Real]Absence check using state equation in 7090 ms returned sat
[2023-03-22 11:24:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:24:26] [INFO ] [Nat]Absence check using 23 positive place invariants in 7 ms returned sat
[2023-03-22 11:24:26] [INFO ] [Nat]Absence check using 23 positive and 56 generalized place invariants in 27 ms returned sat
[2023-03-22 11:24:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:24:33] [INFO ] [Nat]Absence check using state equation in 7026 ms returned sat
[2023-03-22 11:24:33] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:24:37] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:24:40] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6868 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 521 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3219 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3219 ms. Remains : 521/521 places, 15451/15451 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 521/521 places, 15451/15451 transitions.
Applied a total of 0 rules in 3212 ms. Remains 521 /521 variables (removed 0) and now considering 15451/15451 (removed 0) transitions.
[2023-03-22 11:24:47] [INFO ] Invariant cache hit.
[2023-03-22 11:24:50] [INFO ] Implicit Places using invariants in 3006 ms returned [29, 34, 60, 86, 88, 111, 126, 143, 163, 238, 252, 282, 321, 347, 363, 379, 408, 451, 452]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 3046 ms to find 19 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 502/521 places, 15451/15451 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 502 transition count 15432
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 483 transition count 15432
Applied a total of 38 rules in 6457 ms. Remains 483 /502 variables (removed 19) and now considering 15432/15451 (removed 19) transitions.
// Phase 1: matrix 15432 rows 483 cols
[2023-03-22 11:24:58] [INFO ] Computed 60 place invariants in 1436 ms
[2023-03-22 11:25:01] [INFO ] Implicit Places using invariants in 4497 ms returned []
Implicit Place search using SMT only with invariants took 4497 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/521 places, 15432/15451 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 17214 ms. Remains : 483/521 places, 15432/15451 transitions.
[2023-03-22 11:25:01] [INFO ] Invariant cache hit.
Finished random walk after 448315 steps, including 75537 resets, run visited all 1 properties in 30001 ms. (steps per millisecond=14 )
Incomplete Best-First random walk after 1000001 steps, including 3715 resets, run finished after 1966 ms. (steps per millisecond=508 ) properties (out of 1) seen :1
[2023-03-22 11:25:33] [INFO ] Invariant cache hit.
[2023-03-22 11:25:33] [INFO ] [Real]Absence check using 21 positive place invariants in 5 ms returned sat
[2023-03-22 11:25:33] [INFO ] [Real]Absence check using 21 positive and 39 generalized place invariants in 23 ms returned sat
[2023-03-22 11:25:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 11:25:38] [INFO ] [Real]Absence check using state equation in 5310 ms returned sat
[2023-03-22 11:25:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 11:25:38] [INFO ] [Nat]Absence check using 21 positive place invariants in 6 ms returned sat
[2023-03-22 11:25:38] [INFO ] [Nat]Absence check using 21 positive and 39 generalized place invariants in 24 ms returned sat
[2023-03-22 11:25:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 11:25:44] [INFO ] [Nat]Absence check using state equation in 5284 ms returned sat
[2023-03-22 11:25:44] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 11:25:48] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-22 11:25:51] [INFO ] [Nat]Added 8020 Read/Feed constraints in 6909 ms returned unknown
Current structural bounds on expressions (after SMT) : [-1] Max seen :[1]
Support contains 1 out of 483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3231 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3231 ms. Remains : 483/483 places, 15432/15432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 483/483 places, 15432/15432 transitions.
Applied a total of 0 rules in 3213 ms. Remains 483 /483 variables (removed 0) and now considering 15432/15432 (removed 0) transitions.
[2023-03-22 11:25:57] [INFO ] Invariant cache hit.
[2023-03-22 11:26:00] [INFO ] Implicit Places using invariants in 3052 ms returned []
Implicit Place search using SMT only with invariants took 3052 ms to find 0 implicit places.
[2023-03-22 11:26:00] [INFO ] Invariant cache hit.
[2023-03-22 11:26:07] [INFO ] Dead Transitions using invariants and state equation in 7137 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13404 ms. Remains : 483/483 places, 15432/15432 transitions.
Ending property specific reduction for PhilosophersDyn-PT-20-UpperBounds-14 in 162931 ms.
[2023-03-22 11:26:09] [INFO ] Flatten gal took : 931 ms
[2023-03-22 11:26:09] [INFO ] Export to MCC of 9 properties in file /home/mcc/execution/UpperBounds.sr.xml took 6 ms.
[2023-03-22 11:26:09] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 540 places, 15470 transitions and 120800 arcs took 85 ms.
Total runtime 1603903 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running PhilosophersDyn (PT), instance 20
Examination UpperBounds
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/UpperBoundParse.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//upper_bound//smart

PNML FILE: model.pnml
Petri model created: 540 places, 15470 transitions, 120800 arcs.
Final Score: 2046295.99
Took : 728 seconds
Bounds file is: UpperBounds.xml
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 14538848 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16017592 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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
Caught signal 15, terminating.

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="PhilosophersDyn-PT-20"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is PhilosophersDyn-PT-20, 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 r299-tall-167873952800333"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-PT-20.tgz
mv PhilosophersDyn-PT-20 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 ;