Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r543-tall-167987257300055.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is PGCD-PT-D02N005, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r543-tall-167987257300055
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 8.2K Mar 23 15:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 23 15:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 23 15:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 23 15:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 7 12:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 7 12:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 7 12:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 7 12:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 19K Mar 23 15:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 220K Mar 23 15:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 23 15:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 23 15:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 7 12:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 7 12:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 5.6K Mar 31 16:48 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-D02N005-UpperBounds-00
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-01
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-02
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-03
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-04
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-05
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-06
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-07
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-08
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-09
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-10
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-11
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-12
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-13
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-14
FORMULA_NAME PGCD-PT-D02N005-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1680938958708

Running Version 202205111006
[2023-04-08 07:29:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-04-08 07:29:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-08 07:29:19] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2023-04-08 07:29:19] [INFO ] Transformed 9 places.
[2023-04-08 07:29:19] [INFO ] Transformed 9 transitions.
[2023-04-08 07:29:19] [INFO ] Parsed PT model containing 9 places and 9 transitions in 138 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:19] [INFO ] Computed 4 place invariants in 11 ms
Incomplete random walk after 10012 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 16) seen :210
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 16) seen :69
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 16) seen :68
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 16) seen :93
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 16) seen :97
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 16) seen :89
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 16) seen :89
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 16) seen :57
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 16) seen :72
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 16) seen :115
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 16) seen :101
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 16) seen :95
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 16) seen :72
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 16) seen :115
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 16) seen :69
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 16) seen :93
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 16) seen :83
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:20] [INFO ] Computed 4 place invariants in 2 ms
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-04-08 07:29:20] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2023-04-08 07:29:20] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
[2023-04-08 07:29:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-08 07:29:20] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 8 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Added 3 Read/Feed constraints in 3 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 1 ms to minimize.
[2023-04-08 07:29:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 19 ms
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 3 ms.
[2023-04-08 07:29:20] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 14 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-08 07:29:20] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:20] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 13 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:20] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:20] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:21] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 2 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-08 07:29:21] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-04-08 07:29:21] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:21] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] Deduced a trap composed of 3 places in 17 ms of which 1 ms to minimize.
[2023-04-08 07:29:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 20 ms
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:21] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:21] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:21] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:21] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18] Max seen :[12, 14, 14, 16, 14, 14, 12, 14, 16, 16, 14, 14, 16, 12, 14, 16]
FORMULA PGCD-PT-D02N005-UpperBounds-15 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-12 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-09 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-08 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-03 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-14 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-10 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-04 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-02 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-05 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D02N005-UpperBounds-01 18 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 8 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:21] [INFO ] Computed 4 place invariants in 0 ms
[2023-04-08 07:29:21] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 9/9 places, 9/9 transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:21] [INFO ] Computed 4 place invariants in 0 ms
Incomplete random walk after 1000001 steps, including 11 resets, run finished after 340 ms. (steps per millisecond=2941 ) properties (out of 5) seen :80
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 230 ms. (steps per millisecond=4347 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 288 ms. (steps per millisecond=3472 ) properties (out of 5) seen :32
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 260 ms. (steps per millisecond=3846 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 215 ms. (steps per millisecond=4651 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=4854 ) properties (out of 5) seen :39
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:23] [INFO ] Computed 4 place invariants in 1 ms
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:23] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] Deduced a trap composed of 5 places in 16 ms of which 1 ms to minimize.
[2023-04-08 07:29:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 19 ms
[2023-04-08 07:29:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-04-08 07:29:23] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:23] [INFO ] Deduced a trap composed of 5 places in 22 ms of which 1 ms to minimize.
[2023-04-08 07:29:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 25 ms
[2023-04-08 07:29:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : [18, 18, 18, 18, 18] Max seen :[16, 16, 16, 16, 16]
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-04-08 07:29:23] [INFO ] Computed 4 place invariants in 1 ms
[2023-04-08 07:29:23] [INFO ] Implicit Places using invariants in 25 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 26 ms to find 3 implicit places.
Starting structural reductions in SAFETY mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 6/9 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:23] [INFO ] Computed 1 place invariants in 1 ms
Incomplete random walk after 1000005 steps, including 13 resets, run finished after 289 ms. (steps per millisecond=3460 ) properties (out of 5) seen :80
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 203 ms. (steps per millisecond=4926 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 184 ms. (steps per millisecond=5434 ) properties (out of 5) seen :32
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 183 ms. (steps per millisecond=5464 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 184 ms. (steps per millisecond=5434 ) properties (out of 5) seen :39
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 180 ms. (steps per millisecond=5555 ) properties (out of 5) seen :39
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:24] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:24] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:24] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 0 ms to minimize.
[2023-04-08 07:29:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2023-04-08 07:29:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-08 07:29:24] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:24] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:24] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:24] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:24] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:24] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:24] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : [18, 18, 18, 18, 18] Max seen :[16, 16, 16, 16, 16]
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:24] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:24] [INFO ] Implicit Places using invariants in 23 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:24] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:24] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-04-08 07:29:24] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:24] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:24] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting property specific reduction for PGCD-PT-D02N005-UpperBounds-00
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 1 ms
Incomplete random walk after 10004 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2501 ) properties (out of 1) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3333 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:25] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:25] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:25] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:25] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:25] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[12]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:25] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 2 ms
Incomplete random walk after 1000005 steps, including 11 resets, run finished after 166 ms. (steps per millisecond=6024 ) properties (out of 1) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 179 ms. (steps per millisecond=5586 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-04-08 07:29:25] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:25] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:25] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:25] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:25] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[16]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:25] [INFO ] Implicit Places using invariants in 15 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:25] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:25] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-04-08 07:29:25] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:25] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Ending property specific reduction for PGCD-PT-D02N005-UpperBounds-00 in 559 ms.
Starting property specific reduction for PGCD-PT-D02N005-UpperBounds-06
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3333 ) properties (out of 1) seen :13
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3333 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-04-08 07:29:25] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:25] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:25] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:25] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2023-04-08 07:29:25] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 0 ms to minimize.
[2023-04-08 07:29:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2023-04-08 07:29:25] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:25] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[13]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:25] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:25] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 1000005 steps, including 10 resets, run finished after 163 ms. (steps per millisecond=6135 ) properties (out of 1) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 164 ms. (steps per millisecond=6097 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-04-08 07:29:26] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:26] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 1 ms to minimize.
[2023-04-08 07:29:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2023-04-08 07:29:26] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:26] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[16]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] Implicit Places using invariants in 22 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-04-08 07:29:26] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Ending property specific reduction for PGCD-PT-D02N005-UpperBounds-06 in 622 ms.
Starting property specific reduction for PGCD-PT-D02N005-UpperBounds-07
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :8
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3333 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:26] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:26] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[12]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 1000004 steps, including 12 resets, run finished after 165 ms. (steps per millisecond=6060 ) properties (out of 1) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 165 ms. (steps per millisecond=6060 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:26] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 3 ms.
[2023-04-08 07:29:26] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[16]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] Implicit Places using invariants in 19 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-04-08 07:29:26] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:26] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Ending property specific reduction for PGCD-PT-D02N005-UpperBounds-07 in 567 ms.
Starting property specific reduction for PGCD-PT-D02N005-UpperBounds-11
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
Incomplete random walk after 10007 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3335 ) properties (out of 1) seen :10
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:26] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:26] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:26] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:26] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2023-04-08 07:29:26] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:26] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[12]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:26] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:26] [INFO ] Computed 1 place invariants in 1 ms
Incomplete random walk after 1000001 steps, including 6 resets, run finished after 166 ms. (steps per millisecond=6024 ) properties (out of 1) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=5988 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-04-08 07:29:27] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:27] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2023-04-08 07:29:27] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[16]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] Implicit Places using invariants in 15 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:27] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2023-04-08 07:29:27] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Ending property specific reduction for PGCD-PT-D02N005-UpperBounds-11 in 554 ms.
Starting property specific reduction for PGCD-PT-D02N005-UpperBounds-13
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:27] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2023-04-08 07:29:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:27] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:27] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[12]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
Incomplete random walk after 1000000 steps, including 10 resets, run finished after 167 ms. (steps per millisecond=5988 ) properties (out of 1) seen :16
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 166 ms. (steps per millisecond=6024 ) properties (out of 1) seen :12
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-08 07:29:27] [INFO ] Solution in real domain found non-integer solution.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-08 07:29:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-08 07:29:27] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-08 07:29:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:27] [INFO ] [Nat]Added 3 Read/Feed constraints in 3 ms returned sat
[2023-04-08 07:29:27] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-08 07:29:27] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : [18] Max seen :[16]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] Implicit Places using invariants in 15 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 0 ms
[2023-04-08 07:29:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-08 07:29:27] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-04-08 07:29:27] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 9 rows 6 cols
[2023-04-08 07:29:27] [INFO ] Computed 1 place invariants in 1 ms
[2023-04-08 07:29:27] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/6 places, 9/9 transitions.
Ending property specific reduction for PGCD-PT-D02N005-UpperBounds-13 in 562 ms.
[2023-04-08 07:29:28] [INFO ] Flatten gal took : 14 ms
[2023-04-08 07:29:28] [INFO ] Applying decomposition
[2023-04-08 07:29:28] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph17163545174617463190.txt' '-o' '/tmp/graph17163545174617463190.bin' '-w' '/tmp/graph17163545174617463190.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph17163545174617463190.bin' '-l' '-1' '-v' '-w' '/tmp/graph17163545174617463190.weights' '-q' '0' '-e' '0.001'
[2023-04-08 07:29:28] [INFO ] Decomposing Gal with order
[2023-04-08 07:29:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-04-08 07:29:28] [INFO ] Flatten gal took : 27 ms
[2023-04-08 07:29:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2023-04-08 07:29:28] [INFO ] Time to serialize gal into /tmp/UpperBounds3689656803631076897.gal : 1 ms
[2023-04-08 07:29:28] [INFO ] Time to serialize properties into /tmp/UpperBounds4448629141207247585.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds3689656803631076897.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4448629141207247585.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...274
Loading property file /tmp/UpperBounds4448629141207247585.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,8484,0.033199,4288,88,58,1023,615,26,1413,19,1504,0
Total reachable state count : 8484

Verifying 5 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 16
Bounds property PGCD-PT-D02N005-UpperBounds-00 :0 <= u1.p1_2 <= 16
FORMULA PGCD-PT-D02N005-UpperBounds-00 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PGCD-PT-D02N005-UpperBounds-00,0,0.039821,4288,1,0,1023,615,44,1787,43,2597,62
Min sum of variable value : 0
Maximum sum along a path : 16
Bounds property PGCD-PT-D02N005-UpperBounds-06 :0 <= u0.p1_1 <= 16
FORMULA PGCD-PT-D02N005-UpperBounds-06 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PGCD-PT-D02N005-UpperBounds-06,0,0.040281,4288,1,0,1023,634,51,1860,43,2689,69
Min sum of variable value : 0
Maximum sum along a path : 16
Bounds property PGCD-PT-D02N005-UpperBounds-07 :0 <= u2.p1_3 <= 16
FORMULA PGCD-PT-D02N005-UpperBounds-07 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PGCD-PT-D02N005-UpperBounds-07,0,0.046486,4288,1,0,1124,918,57,3080,43,3870,122
Min sum of variable value : 0
Maximum sum along a path : 16
Bounds property PGCD-PT-D02N005-UpperBounds-11 :0 <= u2.p1_3 <= 16
FORMULA PGCD-PT-D02N005-UpperBounds-11 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PGCD-PT-D02N005-UpperBounds-11,0,0.04656,4288,1,0,1124,918,57,3080,43,3870,122
Min sum of variable value : 0
Maximum sum along a path : 16
Bounds property PGCD-PT-D02N005-UpperBounds-13 :0 <= u1.p1_2 <= 16
FORMULA PGCD-PT-D02N005-UpperBounds-13 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PGCD-PT-D02N005-UpperBounds-13,0,0.046606,4288,1,0,1124,918,57,3080,43,3870,122
Total runtime 8436 ms.

BK_STOP 1680938968323

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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-D02N005"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2022"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool gold2022"
echo " Input is PGCD-PT-D02N005, 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 r543-tall-167987257300055"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D02N005.tgz
mv PGCD-PT-D02N005 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 ;