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-------------------------
Introduction
----

This code implements simple, resolution-based theorem provers for
first-order logic. It is released as free software under the GNU GPL
version 3, and without any warranty. See the file COPYING for
details and the individual source headers for copyright information.

This code is largely a translation of https://github.com/eprover/PyRes , created by Prof.
Stephan Schulz, from Python into Java, with some additions to support SUMO
http://www.ontologyportal.org and Sigma https://github.com/ontologyportal/sigmakee

Adam Pease
[email protected]

-------------------------
Directories
----

src - source code
test - jUnit tests
StarExec - files required to run under StarExec
papers - CADE2021 submission
lib - Java libraries
dist - zip file of JavaRes used in tests reported in CADE2021 submission
data - results from testing on StarExec with TPTP

-------------------------
Compiling
----

Install ant and just type

ant

while in the top level of the JavaRes git repository.  To compile a zip for StarExec, type

ant star

-------------------------
jUnit Tests
----

paths are relative to where you've cloned the repository, and given the environment
variable $GITDIR.  UnitTestAll runs all unit tests.  ProverTest is an integration
test on TPTP problems.  It requires that the environment variable $TPTP be set
to the location of the TPTP problems. The only external libraries needed are for
jUnit (and its supporting hamcrest library, which are in the lib dir)

java -ea -Xmx7G -cp $GITDIR/JavaRes/build/classes:$GITDIR/JavaRes/lib/*
  org.junit.runner.JUnitCore atp.UnitTestAll

java -ea -Xmx7G -cp $GITDIR/JavaRes/build/classes:$GITDIR/JavaRes/lib/*
  org.junit.runner.JUnitCore atp.ProverFOFTest

-------------------------
Running JavaRes
----

To run in verbose mode on a TPTP problem -

java -Xmx15G -cp $GITDIR/JavaRes/build/classes:$GITDIR/JavaRes/lib/*
  atp.ProverFOF --eqax --proof --delete-tautologies --forward-subsumption
  --backward_subsumption --delete-tautologies --timeout 600 -v $TPTP/Problems/PUZ/PUZ001+1.p

...and in quiet mode

java -Xmx15G -cp $GITDIR/JavaRes/build/classes:$GITDIR/JavaRes/lib/*
  atp.ProverFOF --eqax --proof --delete-tautologies --forward-subsumption
  --backward_subsumption --delete-tautologies --timeout 600 $TPTP/Problems/PUZ/PUZ001+1.p

To get help that shows the list of available command line options -

  java -Xmx15G -cp $GITDIR/JavaRes/build/classes:$GITDIR/JavaRes/lib/*
    atp.ProverFOF -h

-------------------------
More Useful Examples for Execution and Analysis
----

Assume that $GIT is the location of your local git repository.  Assume that $TPTP is
where you've installed all of TPTP.  Assume that $STAR is where you put StarExec
job output

run PyRes with the "best" options
  timeout 300 python3 $GIT/PyRes/pyres-fof.py  -tifbp -HPickGiven5
    -nlargest --silent $TPTP/Problems/NUM/NUM519+1.p

run a single junit test
  java -Xmx7G -cp $GIT/JavaRes/build/classes:/home/apease/workspace/JavaRes/lib/*
    atp.SingleJUnitTestRunner atp.LiteralTest#testKIFparse

show TPTP test scores by problem category for PyRes and JavaRes
  java -Xmx15G -cp $GIT/JavaRes/build/classes:$GIT/JavaRes/lib/* atp.StarExec -r
    $STAR/Job1649_output $GIT/JavaRes/data/PyRes-TPTP7-2.csv

show exhaustive comparison of each problem where JavaRes and PyRes differ
  java -Xmx15G -cp $GIT/JavaRes/build/classes:$GIT/JavaRes/lib/* atp.StarExec -ro
    $STAR/Job1649_output $GIT/JavaRes/data/PyRes-TPTP7-2.csv &> JavaPyCompare.txt

count appearances of a particular SZS ontology result
  grep -r ContradictoryAxioms $TPTP/Problems/* | wc -l

show all the SZS ontology tags actually in use in TPTP
  grep -Eor "Status\s*: (.*)" $TPTP/Problems/* | cut -d ':' -f 3 | sort -u

   ContradictoryAxioms
   CounterSatisfiable
   Open
   Satisfiable
   Theorem
   Unknown
   Unsatisfiable

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Java-based FOL prover - translation of eprover/PyRes

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