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-171654350700789.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 PGCD-PT-D05N025, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-171654350700789
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 8.2K Apr 11 15:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Apr 11 15:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Apr 11 15:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 11 15:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 6 10:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 6 10:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 6 10:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 6 10:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Apr 11 15:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Apr 11 15:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 11 15:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 11 15:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 6 10:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 6 10:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 12K 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 PGCD-PT-D05N025-UpperBounds-00
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-01
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-02
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-03
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-04
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-05
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-06
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-07
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-08
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-09
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-10
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-11
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-12
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-13
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-14
FORMULA_NAME PGCD-PT-D05N025-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716708319108

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D05N025
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-26 07:25:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-26 07:25:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-26 07:25:20] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2024-05-26 07:25:20] [INFO ] Transformed 18 places.
[2024-05-26 07:25:20] [INFO ] Transformed 18 transitions.
[2024-05-26 07:25:20] [INFO ] Parsed PT model containing 18 places and 18 transitions and 84 arcs in 128 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 25, 25, 25, 1, 1, 1, 1, 25, 1, 25, 1, 25, 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:[1, 1, 1, 25, 25, 25, 1, 1, 1, 1, 25, 1, 25, 1, 25, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 18 rows 18 cols
[2024-05-26 07:25:20] [INFO ] Computed 7 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 25, 25, 25, 1, 1, 1, 1, 25, 1, 25, 1, 25, 1] Max Struct:[156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156]
RANDOM walk for 10010 steps (2 resets) in 21 ms. (455 steps per ms)
BEST_FIRST walk for 160011 steps (32 resets) in 131 ms. (1212 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[104, 100, 72, 108, 118, 108, 72, 86, 100, 86, 116, 72, 112, 104, 114, 104] Max Struct:[156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156]
[2024-05-26 07:25:20] [INFO ] Invariant cache hit.
[2024-05-26 07:25:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:20] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 11 ms returned sat
[2024-05-26 07:25:20] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-26 07:25:21] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 6 ms.
[2024-05-26 07:25:21] [INFO ] Added : 0 causal constraints over 0 iterations in 16 ms. Result :sat
Minimization took 22 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-26 07:25:21] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Minimization took 11 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-26 07:25:21] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 5 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 16 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 9 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:21] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 10 ms to minimize.
[2024-05-26 07:25:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:21] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 14 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:21] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-26 07:25:21] [INFO ] Added : 0 causal constraints over 0 iterations in 7 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Real]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:21] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:21] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:22] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:22] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:22] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 14 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 7 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:22] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:22] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-26 07:25:22] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
[2024-05-26 07:25:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:22] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 0 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:25:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:22] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:22] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[104, 100, 72, 108, 118, 108, 72, 86, 100, 86, 116, 72, 112, 104, 114, 104] Max Struct:[156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156]
FORMULA PGCD-PT-D05N025-UpperBounds-15 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-13 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-09 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-07 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-08 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-01 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-11 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-06 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D05N025-UpperBounds-02 156 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156, 154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156, 156]
Support contains 7 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 11 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:23] [INFO ] Invariant cache hit.
[2024-05-26 07:25:23] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 6/18 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/36 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 31 constraints, problems are : Problem set: 0 solved, 6 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 6/18 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/36 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 6/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 37 constraints, problems are : Problem set: 0 solved, 6 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 340ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 349ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369 ms. Remains : 18/18 places, 18/18 transitions.
[2024-05-26 07:25:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[156, 154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156, 156]
FORMULA PGCD-PT-D05N025-UpperBounds-00 156 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000002 steps (2 resets) in 236 ms. (4219 steps per ms)
BEST_FIRST walk for 6000006 steps (1024 resets) in 2189 ms. (2739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
[2024-05-26 07:25:26] [INFO ] Invariant cache hit.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-26 07:25:26] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:26] [INFO ] Deduced a trap composed of 7 places in 23 ms of which 1 ms to minimize.
[2024-05-26 07:25:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
[2024-05-26 07:25:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 5 ms.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 12 ms.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using 2 positive and 5 generalized place invariants in 1 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:26] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:26] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:26] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
Support contains 6 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 18/18 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:26] [INFO ] Invariant cache hit.
[2024-05-26 07:25:26] [INFO ] Implicit Places using invariants in 35 ms returned [12, 13, 14, 15, 16, 17]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 38 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 12/18 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 40 ms. Remains : 12/18 places, 18/18 transitions.
// Phase 1: matrix 18 rows 12 cols
[2024-05-26 07:25:26] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
RANDOM walk for 1000024 steps (2 resets) in 181 ms. (5494 steps per ms)
BEST_FIRST walk for 6000006 steps (1028 resets) in 1570 ms. (3819 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
[2024-05-26 07:25:28] [INFO ] Invariant cache hit.
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:25:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:28] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:28] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:28] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
[2024-05-26 07:25:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2024-05-26 07:25:28] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:28] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:28] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-26 07:25:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2024-05-26 07:25:28] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:28] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:28] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:29] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-26 07:25:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2024-05-26 07:25:29] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:29] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:29] [INFO ] Deduced a trap composed of 6 places in 18 ms of which 0 ms to minimize.
[2024-05-26 07:25:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2024-05-26 07:25:29] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:29] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Added 6 Read/Feed constraints in 14 ms returned sat
[2024-05-26 07:25:29] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:29] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:25:29] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:29] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:29] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:29] [INFO ] Invariant cache hit.
[2024-05-26 07:25:29] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-26 07:25:29] [INFO ] Invariant cache hit.
[2024-05-26 07:25:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:29] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-26 07:25:29] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:29] [INFO ] Invariant cache hit.
[2024-05-26 07:25:29] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 156ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 156ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40061 steps (8 resets) in 330 ms. (121 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 374 ms. (106 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 135 ms. (294 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 41 ms. (952 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 351080 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 12
Probabilistic random walk after 351080 steps, saw 217371 distinct states, run finished after 3006 ms. (steps per millisecond=116 ) properties seen :0
[2024-05-26 07:25:33] [INFO ] Invariant cache hit.
[2024-05-26 07:25:33] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2024-05-26 07:25:33] [INFO ] Deduced a trap composed of 6 places in 17 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 6 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 6 solved, 6 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 6 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 6/26 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 6 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 6 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 26 constraints, problems are : Problem set: 6 solved, 6 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/12 constraints, Known Traps: 1/1 constraints]
After SMT, in 214ms problems are : Problem set: 6 solved, 6 unsolved
Parikh walk visited 0 properties in 1775 ms.
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:35] [INFO ] Invariant cache hit.
[2024-05-26 07:25:35] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 139ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40041 steps (8 resets) in 54 ms. (728 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 63 ms. (625 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (9 resets) in 54 ms. (727 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 452943 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 6
Probabilistic random walk after 452943 steps, saw 280449 distinct states, run finished after 3001 ms. (steps per millisecond=150 ) properties seen :0
[2024-05-26 07:25:38] [INFO ] Invariant cache hit.
[2024-05-26 07:25:38] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2024-05-26 07:25:38] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 0 solved, 6 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 6 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints]
After SMT, in 177ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 1458 ms.
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
[2024-05-26 07:25:40] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
[2024-05-26 07:25:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:40] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-26 07:25:40] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
[2024-05-26 07:25:40] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 125ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 12/12 places, 18/18 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[154, 154, 152, 154, 154, 152] Max Struct:[156, 156, 156, 156, 156, 156]
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10000 steps (2 resets) in 3 ms. (2500 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[110] Max Struct:[156]
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
[2024-05-26 07:25:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:40] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:40] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-26 07:25:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:40] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:40] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:40] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[110] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
[2024-05-26 07:25:40] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 158ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:25:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[152] Max Struct:[156]
RANDOM walk for 1000041 steps (2 resets) in 174 ms. (5714 steps per ms)
BEST_FIRST walk for 1000000 steps (176 resets) in 269 ms. (3703 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[156]
[2024-05-26 07:25:41] [INFO ] Invariant cache hit.
[2024-05-26 07:25:41] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:41] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:41] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:25:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:25:41] [INFO ] Deduced a trap composed of 6 places in 19 ms of which 0 ms to minimize.
[2024-05-26 07:25:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 22 ms
[2024-05-26 07:25:41] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:41] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:41] [INFO ] Invariant cache hit.
[2024-05-26 07:25:41] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 07:25:41] [INFO ] Invariant cache hit.
[2024-05-26 07:25:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:41] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2024-05-26 07:25:41] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:41] [INFO ] Invariant cache hit.
[2024-05-26 07:25:41] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40049 steps (8 resets) in 27 ms. (1430 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 903826 steps, run timeout after 3001 ms. (steps per millisecond=301 ) properties seen :0 out of 2
Probabilistic random walk after 903826 steps, saw 550847 distinct states, run finished after 3001 ms. (steps per millisecond=301 ) properties seen :0
[2024-05-26 07:25:44] [INFO ] Invariant cache hit.
[2024-05-26 07:25:44] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:25:44] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 104ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:44] [INFO ] Invariant cache hit.
[2024-05-26 07:25:44] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40074 steps (8 resets) in 15 ms. (2504 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2664432 steps, run timeout after 3001 ms. (steps per millisecond=887 ) properties seen :0 out of 1
Probabilistic random walk after 2664432 steps, saw 1557213 distinct states, run finished after 3001 ms. (steps per millisecond=887 ) properties seen :0
[2024-05-26 07:25:47] [INFO ] Invariant cache hit.
[2024-05-26 07:25:47] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:25:47] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 104ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 318 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=318 )
Parikh walk visited 1 properties in 5 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[152] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-03 in 7476 ms.
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:25:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10018 steps (2 resets) in 4 ms. (2003 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[106] Max Struct:[156]
[2024-05-26 07:25:47] [INFO ] Invariant cache hit.
[2024-05-26 07:25:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:47] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:47] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:25:47] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:47] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[106] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:47] [INFO ] Invariant cache hit.
[2024-05-26 07:25:47] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:25:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[154] Max Struct:[156]
RANDOM walk for 1000009 steps (2 resets) in 194 ms. (5128 steps per ms)
BEST_FIRST walk for 1000001 steps (172 resets) in 297 ms. (3355 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154] Max Struct:[156]
[2024-05-26 07:25:48] [INFO ] Invariant cache hit.
[2024-05-26 07:25:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:48] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:48] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:25:48] [INFO ] Deduced a trap composed of 6 places in 17 ms of which 1 ms to minimize.
[2024-05-26 07:25:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2024-05-26 07:25:48] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:48] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:48] [INFO ] Invariant cache hit.
[2024-05-26 07:25:48] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-26 07:25:48] [INFO ] Invariant cache hit.
[2024-05-26 07:25:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:48] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2024-05-26 07:25:48] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:48] [INFO ] Invariant cache hit.
[2024-05-26 07:25:48] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 112ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40047 steps (8 resets) in 41 ms. (953 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 718146 steps, run timeout after 3001 ms. (steps per millisecond=239 ) properties seen :0 out of 2
Probabilistic random walk after 718146 steps, saw 443383 distinct states, run finished after 3006 ms. (steps per millisecond=238 ) properties seen :0
[2024-05-26 07:25:51] [INFO ] Invariant cache hit.
[2024-05-26 07:25:51] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:25:51] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 108ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:52] [INFO ] Invariant cache hit.
[2024-05-26 07:25:52] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40043 steps (8 resets) in 17 ms. (2224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 16 ms. (2353 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3017169 steps, run timeout after 3001 ms. (steps per millisecond=1005 ) properties seen :0 out of 1
Probabilistic random walk after 3017169 steps, saw 1758878 distinct states, run finished after 3001 ms. (steps per millisecond=1005 ) properties seen :0
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:25:55] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:55] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2024-05-26 07:25:55] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 183 ms. Remains : 12/12 places, 18/18 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[154] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-04 in 7642 ms.
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10013 steps (2 resets) in 3 ms. (2503 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:[110] Max Struct:[156]
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:55] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:55] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:55] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:55] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[110] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
[2024-05-26 07:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:25:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[152] Max Struct:[156]
RANDOM walk for 1000002 steps (2 resets) in 186 ms. (5347 steps per ms)
BEST_FIRST walk for 1000001 steps (172 resets) in 275 ms. (3623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[156]
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
[2024-05-26 07:25:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:56] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:56] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:25:56] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 0 ms to minimize.
[2024-05-26 07:25:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2024-05-26 07:25:56] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:25:56] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
[2024-05-26 07:25:56] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
[2024-05-26 07:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:56] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-05-26 07:25:56] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
[2024-05-26 07:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[154] Max Struct:[156]
RANDOM walk for 1000000 steps (2 resets) in 166 ms. (5988 steps per ms)
BEST_FIRST walk for 1000001 steps (171 resets) in 257 ms. (3875 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154] Max Struct:[156]
[2024-05-26 07:25:56] [INFO ] Invariant cache hit.
[2024-05-26 07:25:56] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:25:56] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:25:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:25:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:25:56] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:25:57] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
[2024-05-26 07:25:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2024-05-26 07:25:57] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:25:57] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:25:57] [INFO ] Invariant cache hit.
[2024-05-26 07:25:57] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-26 07:25:57] [INFO ] Invariant cache hit.
[2024-05-26 07:25:57] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:25:57] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-05-26 07:25:57] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:25:57] [INFO ] Invariant cache hit.
[2024-05-26 07:25:57] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 101ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40060 steps (8 resets) in 25 ms. (1540 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 653888 steps, run timeout after 3001 ms. (steps per millisecond=217 ) properties seen :0 out of 2
Probabilistic random walk after 653888 steps, saw 406041 distinct states, run finished after 3001 ms. (steps per millisecond=217 ) properties seen :0
[2024-05-26 07:26:00] [INFO ] Invariant cache hit.
[2024-05-26 07:26:00] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:26:00] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 0 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 86ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:00] [INFO ] Invariant cache hit.
[2024-05-26 07:26:00] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 127ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 127ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40058 steps (8 resets) in 19 ms. (2002 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2883496 steps, run timeout after 3001 ms. (steps per millisecond=960 ) properties seen :0 out of 1
Probabilistic random walk after 2883496 steps, saw 1683584 distinct states, run finished after 3003 ms. (steps per millisecond=960 ) properties seen :0
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:26:03] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 104ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:03] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-05-26 07:26:03] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 101ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 101ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 12/12 places, 18/18 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[154] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-05 in 8270 ms.
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10000 steps (2 resets) in 4 ms. (2000 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[110] Max Struct:[156]
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:26:03] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:26:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:03] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:26:03] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:03] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:03] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:26:03] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[110] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
[2024-05-26 07:26:03] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 118ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 120ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:26:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[152] Max Struct:[156]
RANDOM walk for 1000009 steps (2 resets) in 165 ms. (6024 steps per ms)
BEST_FIRST walk for 1000001 steps (171 resets) in 340 ms. (2932 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[156]
[2024-05-26 07:26:04] [INFO ] Invariant cache hit.
[2024-05-26 07:26:04] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:26:04] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:26:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:04] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-26 07:26:04] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:04] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:04] [INFO ] Deduced a trap composed of 6 places in 19 ms of which 1 ms to minimize.
[2024-05-26 07:26:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2024-05-26 07:26:04] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:26:04] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:26:04] [INFO ] Invariant cache hit.
[2024-05-26 07:26:04] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-26 07:26:04] [INFO ] Invariant cache hit.
[2024-05-26 07:26:04] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:04] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2024-05-26 07:26:04] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:04] [INFO ] Invariant cache hit.
[2024-05-26 07:26:04] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 108ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40052 steps (8 resets) in 26 ms. (1483 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 948384 steps, run timeout after 3001 ms. (steps per millisecond=316 ) properties seen :0 out of 2
Probabilistic random walk after 948384 steps, saw 577734 distinct states, run finished after 3001 ms. (steps per millisecond=316 ) properties seen :0
[2024-05-26 07:26:07] [INFO ] Invariant cache hit.
[2024-05-26 07:26:07] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:26:07] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 107ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 318 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=318 )
Parikh walk visited 1 properties in 0 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[152] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-10 in 4183 ms.
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:26:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10006 steps (2 resets) in 4 ms. (2001 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:[114] Max Struct:[156]
[2024-05-26 07:26:07] [INFO ] Invariant cache hit.
[2024-05-26 07:26:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:07] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:26:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:08] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:08] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:08] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 0 ms to minimize.
[2024-05-26 07:26:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2024-05-26 07:26:08] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:26:08] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[114] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
[2024-05-26 07:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[154] Max Struct:[156]
RANDOM walk for 1000004 steps (2 resets) in 192 ms. (5181 steps per ms)
BEST_FIRST walk for 1000001 steps (169 resets) in 280 ms. (3558 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154] Max Struct:[156]
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
[2024-05-26 07:26:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:26:08] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:26:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:26:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:08] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:08] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:26:08] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
[2024-05-26 07:26:08] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
[2024-05-26 07:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:08] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-26 07:26:08] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:08] [INFO ] Invariant cache hit.
[2024-05-26 07:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 95ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 95ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40068 steps (8 resets) in 48 ms. (817 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 987431 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 2
Probabilistic random walk after 987431 steps, saw 600085 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2024-05-26 07:26:11] [INFO ] Invariant cache hit.
[2024-05-26 07:26:11] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:26:12] [INFO ] Deduced a trap composed of 6 places in 16 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 95ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:12] [INFO ] Invariant cache hit.
[2024-05-26 07:26:12] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40032 steps (8 resets) in 21 ms. (1819 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 17 ms. (2222 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3380740 steps, run timeout after 3001 ms. (steps per millisecond=1126 ) properties seen :0 out of 1
Probabilistic random walk after 3380740 steps, saw 1962939 distinct states, run finished after 3001 ms. (steps per millisecond=1126 ) properties seen :0
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:26:15] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 100ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:15] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-05-26 07:26:15] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 12/12 places, 18/18 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[154] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-12 in 7581 ms.
Starting property specific reduction for PGCD-PT-D05N025-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[156]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[156]
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[156]
RANDOM walk for 10014 steps (2 resets) in 3 ms. (2503 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[110] Max Struct:[156]
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:15] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-26 07:26:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:26:15] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:15] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:15] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:26:15] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[110] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[150] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
[2024-05-26 07:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 126ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127 ms. Remains : 12/12 places, 18/18 transitions.
[2024-05-26 07:26:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[150] Max Struct:[156]
RANDOM walk for 1000002 steps (2 resets) in 165 ms. (6024 steps per ms)
BEST_FIRST walk for 1000001 steps (171 resets) in 404 ms. (2469 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[150] Max Struct:[156]
[2024-05-26 07:26:16] [INFO ] Invariant cache hit.
[2024-05-26 07:26:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:16] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-26 07:26:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:26:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:26:16] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:26:16] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:16] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:26:16] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:26:16] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[150] Max Struct:[156]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[150] Max Struct:[156]
Support contains 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 12/12 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2024-05-26 07:26:16] [INFO ] Invariant cache hit.
[2024-05-26 07:26:16] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-26 07:26:16] [INFO ] Invariant cache hit.
[2024-05-26 07:26:16] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-26 07:26:16] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2024-05-26 07:26:16] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2024-05-26 07:26:16] [INFO ] Invariant cache hit.
[2024-05-26 07:26:16] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/30 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 19 constraints, problems are : Problem set: 0 solved, 6 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 18/30 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 25 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 12/12 places, 18/18 transitions.
RANDOM walk for 40078 steps (8 resets) in 27 ms. (1431 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 628893 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 2
Probabilistic random walk after 628893 steps, saw 389583 distinct states, run finished after 3006 ms. (steps per millisecond=209 ) properties seen :0
[2024-05-26 07:26:19] [INFO ] Invariant cache hit.
[2024-05-26 07:26:19] [INFO ] State equation strengthened by 6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:26:19] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 20 constraints, problems are : Problem set: 1 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 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) 11/12 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/30 variables, 12/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 6/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 1/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 21 constraints, problems are : Problem set: 1 solved, 1 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 104ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 3756 steps, including 18 resets, run visited all 1 properties in 4 ms. (steps per millisecond=939 )
Parikh walk visited 1 properties in 3 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[150] Max Struct:[156]
Ending property specific reduction for PGCD-PT-D05N025-UpperBounds-14 in 4252 ms.
[2024-05-26 07:26:19] [INFO ] Flatten gal took : 16 ms
[2024-05-26 07:26:19] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-05-26 07:26:19] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 12 places, 18 transitions and 60 arcs took 3 ms.
Total runtime 59632 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running PGCD-PT-D05N025

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/408/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 12
TRANSITIONS: 18
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/408/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: 1262
MODEL NAME: /home/mcc/execution/408/model
12 places, 18 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA PGCD-PT-D05N025-UpperBounds-03 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D05N025-UpperBounds-04 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D05N025-UpperBounds-05 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D05N025-UpperBounds-10 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D05N025-UpperBounds-12 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D05N025-UpperBounds-14 154 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716708385815

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ 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

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="PGCD-PT-D05N025"
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 PGCD-PT-D05N025, 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-171654350700789"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D05N025.tgz
mv PGCD-PT-D05N025 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 ;