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https://github.com/Z3Prover/z3
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Interpolation API bugfixes
Added Interpolation to the Java API Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger
parent
490e931f39
commit
3e7c95db6b
3 changed files with 179 additions and 3 deletions
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@ -281,8 +281,13 @@ def param2java(p):
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print("ERROR: unreachable code")
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assert(False)
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exit(1)
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if k == IN_ARRAY or k == INOUT_ARRAY or k == OUT_ARRAY:
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elif k == IN_ARRAY or k == INOUT_ARRAY or k == OUT_ARRAY:
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return "%s[]" % type2java(param_type(p))
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elif k == OUT_MANAGED_ARRAY:
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if param_type(p) == UINT:
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return "UIntArrayPtr"
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else:
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return "ObjArrayPtr"
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else:
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return type2java(param_type(p))
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@ -529,6 +534,8 @@ def mk_java():
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java_native.write(' public static class IntPtr { public int value; }\n')
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java_native.write(' public static class LongPtr { public long value; }\n')
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java_native.write(' public static class StringPtr { public String value; }\n')
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java_native.write(' public static class ObjArrayPtr { public long[] value; }\n')
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java_native.write(' public static class UIntArrayPtr { public int[] value; }\n')
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java_native.write(' public static native void setInternalErrorHandler(long ctx);\n\n')
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if IS_WINDOWS or os.uname()[0]=="CYGWIN":
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java_native.write(' static { System.loadLibrary("%s"); }\n' % get_component('java').dll_name)
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@ -153,10 +153,10 @@ namespace Microsoft.Z3
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/// <remarks>For more information on interpolation please refer
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/// too the function Z3_write_interpolation_problem in the C/C++ API, which is
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/// well documented.</remarks>
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public void WriteInterpolationProblem(string filename, Expr[] cnsts, uint[] parents, string error, Expr[] theory)
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public void WriteInterpolationProblem(string filename, Expr[] cnsts, uint[] parents, Expr[] theory)
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{
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Contract.Requires(cnsts.Length == parents.Length);
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Native.Z3_write_interpolation_problem(nCtx, (uint)cnsts.Length, Expr.ArrayToNative(cnsts), parents, error, (uint)theory.Length, Expr.ArrayToNative(theory));
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Native.Z3_write_interpolation_problem(nCtx, (uint)cnsts.Length, Expr.ArrayToNative(cnsts), parents, filename, (uint)theory.Length, Expr.ArrayToNative(theory));
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}
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}
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}
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169
src/api/java/InterpolationContext.java
Normal file
169
src/api/java/InterpolationContext.java
Normal file
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@ -0,0 +1,169 @@
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/**
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*
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*/
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package com.microsoft.z3;
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import java.util.Map;
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import java.lang.String;
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import com.microsoft.z3.Native.IntPtr;
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import com.microsoft.z3.Native.UIntArrayPtr;
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import com.microsoft.z3.enumerations.Z3_lbool;
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/** <summary>
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* The InterpolationContext is suitable for generation of interpolants.
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* </summary>
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* <remarks>For more information on interpolation please refer
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* too the C/C++ API, which is well documented.</remarks>
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**/
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public class InterpolationContext extends Context
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{
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/**
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* Constructor.
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**/
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public InterpolationContext() throws Z3Exception
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{
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m_ctx = Native.mkInterpolationContext(0);
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initContext();
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}
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/**
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* Constructor.
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*
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* <remarks><seealso cref="Context.Context(Dictionary<string, string>)"/></remarks>
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**/
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public InterpolationContext(Map<String, String> settings) throws Z3Exception
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{
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long cfg = Native.mkConfig();
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for (Map.Entry<String, String> kv : settings.entrySet())
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Native.setParamValue(cfg, kv.getKey(), kv.getValue());
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m_ctx = Native.mkInterpolationContext(cfg);
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Native.delConfig(cfg);
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initContext();
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}
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/**
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* Create an expression that marks a formula position for interpolation.
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* @throws Z3Exception
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**/
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public BoolExpr MkInterpolant(BoolExpr a) throws Z3Exception
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{
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checkContextMatch(a);
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return new BoolExpr(this, Native.mkInterpolant(nCtx(), a.getNativeObject()));
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}
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/**
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* Computes an interpolant.
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* <remarks>For more information on interpolation please refer
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* too the function Z3_get_interpolant in the C/C++ API, which is
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* well documented.</remarks>
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* @throws Z3Exception
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**/
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Expr[] GetInterpolant(Expr pf, Expr pat, Params p) throws Z3Exception
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{
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checkContextMatch(pf);
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checkContextMatch(pat);
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checkContextMatch(p);
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ASTVector seq = new ASTVector(this, Native.getInterpolant(nCtx(), pf.getNativeObject(), pat.getNativeObject(), p.getNativeObject()));
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int n = seq.size();
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Expr[] res = new Expr[n];
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for (int i = 0; i < n; i++)
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res[i] = Expr.create(this, seq.get(i).getNativeObject());
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return res;
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}
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/**
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* Computes an interpolant.
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* <remarks>For more information on interpolation please refer
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* too the function Z3_compute_interpolant in the C/C++ API, which is
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* well documented.</remarks>
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* @throws Z3Exception
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**/
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Z3_lbool ComputeInterpolant(Expr pat, Params p, ASTVector interp, Model model) throws Z3Exception
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{
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checkContextMatch(pat);
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checkContextMatch(p);
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Native.LongPtr n_i = new Native.LongPtr();
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Native.LongPtr n_m = new Native.LongPtr();
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int r = Native.computeInterpolant(nCtx(), pat.getNativeObject(), p.getNativeObject(), n_i, n_m);
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interp = new ASTVector(this, n_i.value);
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model = new Model(this, n_m.value);
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return Z3_lbool.fromInt(r);
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}
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/// <summary>
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/// Return a string summarizing cumulative time used for interpolation.
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/// </summary>
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/// <remarks>For more information on interpolation please refer
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/// too the function Z3_interpolation_profile in the C/C++ API, which is
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/// well documented.</remarks>
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public String InterpolationProfile() throws Z3Exception
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{
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return Native.interpolationProfile(nCtx());
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}
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/// <summary>
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/// Checks the correctness of an interpolant.
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/// </summary>
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/// <remarks>For more information on interpolation please refer
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/// too the function Z3_check_interpolant in the C/C++ API, which is
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/// well documented.</remarks>
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public int CheckInterpolant(Expr[] cnsts, int[] parents, Expr[] interps, String error, Expr[] theory) throws Z3Exception
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{
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Native.StringPtr n_err_str = new Native.StringPtr();
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int r = Native.checkInterpolant(nCtx(),
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cnsts.length,
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Expr.arrayToNative(cnsts),
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parents,
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Expr.arrayToNative(interps),
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n_err_str,
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theory.length,
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Expr.arrayToNative(theory));
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error = n_err_str.value;
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return r;
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}
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/// <summary>
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/// Reads an interpolation problem from a file.
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/// </summary>
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/// <remarks>For more information on interpolation please refer
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/// too the function Z3_read_interpolation_problem in the C/C++ API, which is
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/// well documented.</remarks>
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public int ReadInterpolationProblem(String filename, Expr[] cnsts, int[] parents, String error, Expr[] theory) throws Z3Exception
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{
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Native.IntPtr n_num = new Native.IntPtr();
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Native.IntPtr n_num_theory = new Native.IntPtr();
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Native.ObjArrayPtr n_cnsts = new Native.ObjArrayPtr();
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Native.UIntArrayPtr n_parents = new Native.UIntArrayPtr();
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Native.ObjArrayPtr n_theory = new Native.ObjArrayPtr();
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Native.StringPtr n_err_str = new Native.StringPtr();
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int r = Native.readInterpolationProblem(nCtx(), n_num, n_cnsts, n_parents, filename, n_err_str, n_num_theory, n_theory);
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int num = n_num.value;
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int num_theory = n_num_theory.value;
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error = n_err_str.value;
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cnsts = new Expr[num];
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parents = new int[num];
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theory = new Expr[num_theory];
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for (int i = 0; i < num; i++)
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{
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cnsts[i] = Expr.create(this, n_cnsts.value[i]);
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parents[i] = n_parents.value[i];
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}
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for (int i = 0; i < num_theory; i++)
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theory[i] = Expr.create(this, n_theory.value[i]);
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return r;
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}
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/// <summary>
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/// Writes an interpolation problem to a file.
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/// </summary>
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/// <remarks>For more information on interpolation please refer
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/// too the function Z3_write_interpolation_problem in the C/C++ API, which is
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/// well documented.</remarks>
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public void WriteInterpolationProblem(String filename, Expr[] cnsts, int[] parents, String error, Expr[] theory) throws Z3Exception
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{
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Native.writeInterpolationProblem(nCtx(), cnsts.length, Expr.arrayToNative(cnsts), parents, filename, theory.length, Expr.arrayToNative(theory));
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}
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}
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