MCC'2024- Execution of r245-tall-171654349700333

About the Execution of GreatSPN+red for Murphy-PT-D4N050

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
14637.071	380933.00	1314241.00	221.20	2 251 251 251 251 3 1 3 251 3 251 2 2 ? 251 251	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r245-tall-171654349700333.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is Murphy-PT-D4N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-171654349700333
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 8.2K Apr 11 22:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Apr 11 22:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Apr 11 22:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Apr 11 22:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 6 10:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 6 10:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 6 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 6 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Apr 11 22:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Apr 11 22:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 22:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Apr 11 22:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 6 10:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 6 10:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 19K May 18 16:43 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 Murphy-PT-D4N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D4N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716655726148

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D4N050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-25 16:48:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-25 16:48:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 16:48:47] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2024-05-25 16:48:47] [INFO ] Transformed 30 places.
[2024-05-25 16:48:47] [INFO ] Transformed 35 transitions.
[2024-05-25 16:48:47] [INFO ] Parsed PT model containing 30 places and 35 transitions and 135 arcs in 140 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 1, 1, 1, 1, 3, 0, 3, 1, 3, 1, 0, 0, 50, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 1, 1, 1, 1, 3, 0, 3, 1, 3, 1, 0, 0, 50, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 35 rows 30 cols
[2024-05-25 16:48:47] [INFO ] Computed 6 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 1, 1, 1, 3, 0, 3, 1, 3, 1, 0, 0, 50, 1, 1] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
RANDOM walk for 10028 steps (2 resets) in 24 ms. (401 steps per ms)
BEST_FIRST walk for 160014 steps (32 resets) in 136 ms. (1167 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 83, 93, 93, 89, 3, 1, 3, 83, 3, 81, 2, 2, 83, 81, 89] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
[2024-05-25 16:48:47] [INFO ] Invariant cache hit.
[2024-05-25 16:48:47] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:47] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2024-05-25 16:48:47] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-25 16:48:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:47] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2024-05-25 16:48:47] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-05-25 16:48:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:48:47] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:47] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-25 16:48:47] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 8 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:48:48] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 58 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-25 16:48:48] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 48 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:48] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 47 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:48] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 41 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 7 ms.
[2024-05-25 16:48:48] [INFO ] Added : 3 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:48] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:48] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2024-05-25 16:48:48] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:48] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Minimization took 80 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 91 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-25 16:48:49] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:48:49] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Minimization took 37 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 92 ms.
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:48:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:49] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:49] [INFO ] Added : 0 causal constraints over 0 iterations in 18 ms. Result :sat
Minimization took 55 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 83, 93, 93, 89, 3, 1, 3, 83, 3, 81, 2, 2, 83, 81, 89] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 249, 251, 251, 251, 3, 1, 3, 247, 3, 251, 2, 2, 239, 251, 251] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
Support contains 16 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 10 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2024-05-25 16:48:50] [INFO ] Invariant cache hit.
[2024-05-25 16:48:50] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 282 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 270 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 581ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 589ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 611 ms. Remains : 30/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1, 24=1, 34=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {17=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 16) seen :[2, 70, 108, 108, 89, 3, 1, 3, 52, 3, 81, 2, 2, 55, 81, 89]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 249, 251, 251, 251, 3, 1, 3, 247, 3, 251, 2, 2, 239, 251, 251] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
[2024-05-25 16:48:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 249, 251, 251, 251, 3, 1, 3, 247, 3, 251, 2, 2, 239, 251, 251] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
RANDOM walk for 1000012 steps (2 resets) in 564 ms. (1769 steps per ms)
BEST_FIRST walk for 16000013 steps (32 resets) in 7261 ms. (2203 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 249, 251, 251, 251, 3, 1, 3, 247, 3, 251, 2, 2, 239, 251, 251] Max Struct:[+inf, 255, 255, 255, 255, +inf, +inf, +inf, 255, +inf, 255, +inf, +inf, 255, 255, 255]
[2024-05-25 16:48:59] [INFO ] Invariant cache hit.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:48:59] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:48:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 8 ms returned sat
[2024-05-25 16:48:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:48:59] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 12 ms.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:59] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 15 ms.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned unsat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 8 ms returned unsat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:59] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 12 ms.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:48:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:48:59] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 8 ms.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:48:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:48:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:48:59] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:48:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:00] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 24 ms.
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:00] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 8 ms.
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned unsat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:00] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:00] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:00] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:00] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 50 ms.
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:00] [INFO ] [Nat]Absence check using state equation in 9 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[2, 249, 251, 251, 251, 3, 1, 3, 247, 3, 251, 2, 2, 239, 251, 251] Max Struct:[+inf, 255, 251, 251, 251, +inf, +inf, +inf, 255, +inf, 251, +inf, +inf, 255, 251, 251]
FORMULA Murphy-PT-D4N050-UpperBounds-15 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-14 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-10 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-04 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-03 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D4N050-UpperBounds-02 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 249, 3, 1, 3, 251, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 30/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1, 24=1, 34=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {17=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 10) seen :[2, 67, 3, 1, 3, 74, 3, 2, 2, 56]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 249, 3, 1, 3, 251, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2024-05-25 16:49:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 249, 3, 1, 3, 251, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
RANDOM walk for 1000000 steps (2 resets) in 497 ms. (2008 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 4565 ms. (2190 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 249, 3, 1, 3, 251, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, 255, +inf, +inf, +inf, 255]
[2024-05-25 16:49:05] [INFO ] Invariant cache hit.
[2024-05-25 16:49:05] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-25 16:49:05] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:05] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:49:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:06] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:06] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 17 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:06] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:06] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:06] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 38 ms returned unsat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:49:06] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:49:06] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:49:06] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:06] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:06] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:06] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 54 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 249, 3, 1, 3, 251, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, 251, +inf, +inf, +inf, 255]
FORMULA Murphy-PT-D4N050-UpperBounds-08 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 251, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Support contains 9 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 30/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1, 24=1, 34=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {17=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) seen :[2, 65, 3, 1, 3, 3, 2, 2, 58]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 251, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, +inf, +inf, +inf, 255]
[2024-05-25 16:49:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 251, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, +inf, +inf, +inf, 255]
RANDOM walk for 1000032 steps (2 resets) in 494 ms. (2020 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 4038 ms. (2228 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 251, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, 255, +inf, +inf, +inf, +inf, +inf, +inf, 255]
[2024-05-25 16:49:11] [INFO ] Invariant cache hit.
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:11] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:11] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:11] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:11] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:12] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:12] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:12] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:49:12] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 49 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 251, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, 251, +inf, +inf, +inf, +inf, +inf, +inf, 255]
FORMULA Murphy-PT-D4N050-UpperBounds-01 251 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Support contains 8 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1, 24=1, 34=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {17=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :[2, 3, 1, 3, 3, 2, 2, 52]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
[2024-05-25 16:49:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
RANDOM walk for 1000052 steps (2 resets) in 484 ms. (2061 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 3680 ms. (2173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
[2024-05-25 16:49:16] [INFO ] Invariant cache hit.
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:16] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:16] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:16] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:16] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:16] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:16] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-25 16:49:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:16] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:16] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:16] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:16] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:16] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:17] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:17] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 8 ms.
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:17] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:17] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:17] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:17] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:17] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-25 16:49:17] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Support contains 8 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 30/30 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2024-05-25 16:49:17] [INFO ] Invariant cache hit.
[2024-05-25 16:49:17] [INFO ] Implicit Places using invariants in 37 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 43 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/30 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 47 ms. Remains : 25/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {19=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 8) seen :[2, 3, 1, 3, 3, 2, 2, 52]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
// Phase 1: matrix 35 rows 25 cols
[2024-05-25 16:49:17] [INFO ] Computed 1 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
RANDOM walk for 1000042 steps (2 resets) in 451 ms. (2212 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 3106 ms. (2574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
[2024-05-25 16:49:21] [INFO ] Invariant cache hit.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 10 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 11 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-25 16:49:21] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:21] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 11 ms.
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2024-05-25 16:49:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-25 16:49:21] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
Support contains 8 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2024-05-25 16:49:21] [INFO ] Invariant cache hit.
[2024-05-25 16:49:21] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-25 16:49:21] [INFO ] Invariant cache hit.
[2024-05-25 16:49:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:21] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2024-05-25 16:49:21] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-25 16:49:21] [INFO ] Invariant cache hit.
[2024-05-25 16:49:21] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 376ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 376ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 441 ms. Remains : 25/25 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {19=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 8) seen :[2, 3, 1, 3, 3, 2, 2, 54]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 3, 1, 3, 3, 2, 2, 239] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 255]
RANDOM walk for 40136 steps (8 resets) in 517 ms. (77 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 86 ms. (459 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 83 ms. (476 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 354206 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 9
Probabilistic random walk after 354206 steps, saw 245284 distinct states, run finished after 3010 ms. (steps per millisecond=117 ) properties seen :0
[2024-05-25 16:49:26] [INFO ] Invariant cache hit.
[2024-05-25 16:49:26] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 9/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2024-05-25 16:49:26] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 11 ms to minimize.
Problem MAX7 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 27/44 variables, 17/19 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 6/25 constraints. Problems are: Problem set: 1 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 2/46 variables, 2/27 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/46 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 4/50 variables, 2/29 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/50 variables, 2/31 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/50 variables, 0/31 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 10/60 variables, 6/37 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 1 solved, 8 unsolved in 220 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 9/17 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 27/44 variables, 17/19 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 6/25 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 3/28 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 2/46 variables, 2/30 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/46 variables, 4/34 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 4/50 variables, 2/36 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/50 variables, 2/38 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/50 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 10/60 variables, 6/44 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/60 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/60 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 0/60 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 45 constraints, problems are : Problem set: 1 solved, 8 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 8/9 constraints, Known Traps: 1/1 constraints]
After SMT, in 406ms problems are : Problem set: 1 solved, 8 unsolved
Fused 8 Parikh solutions to 2 different solutions.
Parikh walk visited 1 properties in 830 ms.
Support contains 7 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 9 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.1 ms
Discarding 16 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 9 transition count 12
Applied a total of 4 rules in 6 ms. Remains 9 /25 variables (removed 16) and now considering 12/35 (removed 23) transitions.
Running 9 sub problems to find dead transitions.
// Phase 1: matrix 12 rows 9 cols
[2024-05-25 16:49:27] [INFO ] Computed 0 invariants in 0 ms
[2024-05-25 16:49:27] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 12/18 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 3/21 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/21 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 12 constraints, problems are : Problem set: 0 solved, 9 unsolved in 63 ms.
Refiners :[State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 12/18 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 3/21 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 21 constraints, problems are : Problem set: 0 solved, 9 unsolved in 70 ms.
Refiners :[State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 137ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 9/25 places, 12/35 transitions.
RANDOM walk for 40001 steps (8 resets) in 73 ms. (540 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 7/7 properties
Probably explored full state space saw : 216 states, properties seen :0
Probabilistic random walk after 1080 steps, saw 216 distinct states, run finished after 7 ms. (steps per millisecond=154 ) properties seen :0
Explored full state space saw : 216 states, properties seen :0
Exhaustive walk after 1080 steps, saw 216 distinct states, run finished after 3 ms. (steps per millisecond=360 ) properties seen :0
FORMULA Murphy-PT-D4N050-UpperBounds-12 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-09 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-07 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-06 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-05 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D4N050-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 7 queries.) : Max Seen:[239] Max Struct:[255]
Starting property specific reduction for Murphy-PT-D4N050-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[255]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[255]
// Phase 1: matrix 35 rows 25 cols
[2024-05-25 16:49:27] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[255]
RANDOM walk for 10048 steps (2 resets) in 5 ms. (1674 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[91] Max Struct:[255]
[2024-05-25 16:49:27] [INFO ] Invariant cache hit.
[2024-05-25 16:49:27] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:27] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-25 16:49:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:27] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[91] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[255]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2024-05-25 16:49:27] [INFO ] Invariant cache hit.
[2024-05-25 16:49:27] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 435ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 436ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 437 ms. Remains : 25/25 places, 35/35 transitions.
[2024-05-25 16:49:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[152] Max Struct:[255]
RANDOM walk for 1000044 steps (2 resets) in 414 ms. (2409 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 371 ms. (2688 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[255]
[2024-05-25 16:49:28] [INFO ] Invariant cache hit.
[2024-05-25 16:49:29] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:29] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:29] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 1 ms returned sat
[2024-05-25 16:49:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-25 16:49:29] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 2803 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[181] Max Struct:[255]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2024-05-25 16:49:31] [INFO ] Invariant cache hit.
[2024-05-25 16:49:31] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-25 16:49:31] [INFO ] Invariant cache hit.
[2024-05-25 16:49:31] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:31] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2024-05-25 16:49:31] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-25 16:49:31] [INFO ] Invariant cache hit.
[2024-05-25 16:49:31] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 396ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 397ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 462 ms. Remains : 25/25 places, 35/35 transitions.
[2024-05-25 16:49:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[181] Max Struct:[255]
RANDOM walk for 1000000 steps (2 resets) in 413 ms. (2415 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 377 ms. (2645 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[195] Max Struct:[255]
[2024-05-25 16:49:33] [INFO ] Invariant cache hit.
[2024-05-25 16:49:33] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-25 16:49:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:33] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:33] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:33] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2024-05-25 16:49:33] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:33] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[195] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[233] Max Struct:[255]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2024-05-25 16:49:33] [INFO ] Invariant cache hit.
[2024-05-25 16:49:33] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-25 16:49:33] [INFO ] Invariant cache hit.
[2024-05-25 16:49:33] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:33] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2024-05-25 16:49:33] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-25 16:49:33] [INFO ] Invariant cache hit.
[2024-05-25 16:49:33] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 420ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 488 ms. Remains : 25/25 places, 35/35 transitions.
[2024-05-25 16:49:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[233] Max Struct:[255]
RANDOM walk for 1000000 steps (2 resets) in 425 ms. (2347 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 376 ms. (2652 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[233] Max Struct:[255]
[2024-05-25 16:49:34] [INFO ] Invariant cache hit.
[2024-05-25 16:49:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-25 16:49:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-25 16:49:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 16:49:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-25 16:49:34] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-25 16:49:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:34] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2024-05-25 16:49:34] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-25 16:49:34] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[233] Max Struct:[255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[233] Max Struct:[255]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2024-05-25 16:49:34] [INFO ] Invariant cache hit.
[2024-05-25 16:49:34] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-25 16:49:34] [INFO ] Invariant cache hit.
[2024-05-25 16:49:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-05-25 16:49:34] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-05-25 16:49:34] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-25 16:49:34] [INFO ] Invariant cache hit.
[2024-05-25 16:49:34] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 378ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 379ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 437 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40059 steps (8 resets) in 56 ms. (702 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 924583 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 2
Probabilistic random walk after 924583 steps, saw 643285 distinct states, run finished after 3001 ms. (steps per millisecond=308 ) properties seen :0
[2024-05-25 16:49:38] [INFO ] Invariant cache hit.
[2024-05-25 16:49:38] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-25 16:49:38] [INFO ] Deduced a trap composed of 5 places in 22 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 1 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 1/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 38 constraints, problems are : Problem set: 1 solved, 1 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 117ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 906 steps, including 3 resets, run visited all 1 properties in 3 ms. (steps per millisecond=302 )
Parikh walk visited 1 properties in 9 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[233] Max Struct:[255]
Ending property specific reduction for Murphy-PT-D4N050-UpperBounds-13 in 10866 ms.
[2024-05-25 16:49:38] [INFO ] Flatten gal took : 20 ms
[2024-05-25 16:49:38] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 5 ms.
[2024-05-25 16:49:38] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25 places, 35 transitions and 115 arcs took 12 ms.
Total runtime 51327 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Murphy-PT-D4N050

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 25
TRANSITIONS: 35
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]

SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]

----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1119
MODEL NAME: /home/mcc/execution/413/model
25 places, 35 transitions.
Enabling coverability test.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Start RS construction.
Start RS construction.
Start RS construction.
Building monolithic NSF...
Start RS construction.
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------

BK_STOP 1716656107081

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

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="Murphy-PT-D4N050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is Murphy-PT-D4N050, 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 r245-tall-171654349700333"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D4N050.tgz
mv Murphy-PT-D4N050 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 ;