quantrs2_circuit/verifier/
model_checker.rs

1//! Model checker for temporal properties
2
3use super::config::VerifierConfig;
4use super::types::*;
5use crate::builder::Circuit;
6use crate::scirs2_integration::SciRS2CircuitAnalyzer;
7use quantrs2_core::error::QuantRS2Result;
8use serde::{Deserialize, Serialize};
9use std::collections::{HashMap, HashSet};
10use std::time::Duration;
11
12/// Model checker for temporal properties
13pub struct ModelChecker<const N: usize> {
14    /// Temporal properties to check
15    properties: Vec<TemporalProperty>,
16    /// Model checking results
17    results: HashMap<String, ModelCheckResult>,
18    /// State space representation
19    state_space: StateSpace<N>,
20    /// `SciRS2` analyzer
21    analyzer: SciRS2CircuitAnalyzer,
22}
23
24/// State space representation
25pub struct StateSpace<const N: usize> {
26    /// States in the space
27    pub states: HashMap<usize, QuantumState>,
28    /// Transitions between states
29    pub transitions: HashMap<(usize, usize), StateTransition>,
30    /// Initial states
31    pub initial_states: HashSet<usize>,
32    /// Final states
33    pub final_states: HashSet<usize>,
34}
35
36/// Temporal logic properties
37#[derive(Debug, Clone, Serialize, Deserialize)]
38pub enum TemporalProperty {
39    /// Always property (globally)
40    Always { property: String },
41    /// Eventually property (finally)
42    Eventually { property: String },
43    /// Next property
44    Next { property: String },
45    /// Until property
46    Until {
47        property1: String,
48        property2: String,
49    },
50    /// Liveness property
51    Liveness { property: String },
52    /// Safety property
53    Safety { property: String },
54    /// CTL formula
55    Ctl { formula: String },
56    /// LTL formula
57    Ltl { formula: String },
58}
59
60/// Model checking result
61#[derive(Debug, Clone, Serialize, Deserialize)]
62pub struct ModelCheckResult {
63    /// Property name
64    pub property_name: String,
65    /// Model checking outcome
66    pub result: VerificationOutcome,
67    /// Witness trace if property holds
68    pub witness_trace: Option<ExecutionTrace>,
69    /// Counterexample trace if property violated
70    pub counterexample_trace: Option<ExecutionTrace>,
71    /// Model checking time
72    pub check_time: Duration,
73    /// State space statistics
74    pub state_space_stats: StateSpaceStatistics,
75}
76
77impl<const N: usize> ModelChecker<N> {
78    /// Create new model checker
79    #[must_use]
80    pub fn new() -> Self {
81        Self {
82            properties: Vec::new(),
83            results: HashMap::new(),
84            state_space: StateSpace {
85                states: HashMap::new(),
86                transitions: HashMap::new(),
87                initial_states: HashSet::new(),
88                final_states: HashSet::new(),
89            },
90            analyzer: SciRS2CircuitAnalyzer::new(),
91        }
92    }
93
94    /// Check all properties
95    pub const fn check_all_properties(
96        &self,
97        circuit: &Circuit<N>,
98        config: &VerifierConfig,
99    ) -> QuantRS2Result<Vec<ModelCheckResult>> {
100        Ok(Vec::new())
101    }
102}
103
104impl<const N: usize> Default for ModelChecker<N> {
105    fn default() -> Self {
106        Self::new()
107    }
108}
109
110/// Correctness checker
111pub struct CorrectnessChecker<const N: usize> {
112    /// Correctness criteria
113    criteria: Vec<CorrectnessCriterion<N>>,
114    /// Checking results
115    results: HashMap<String, CorrectnessResult>,
116    /// Reference implementations
117    references: HashMap<String, Circuit<N>>,
118    /// `SciRS2` analyzer
119    analyzer: SciRS2CircuitAnalyzer,
120}
121
122/// Correctness criteria
123#[derive(Debug, Clone, Serialize, Deserialize)]
124pub enum CorrectnessCriterion<const N: usize> {
125    /// Functional correctness
126    Functional {
127        test_cases: Vec<TestCase>,
128        tolerance: f64,
129    },
130    /// Performance correctness
131    Performance {
132        max_execution_time: Duration,
133        max_memory_usage: usize,
134    },
135    /// Robustness to noise
136    Robustness {
137        noise_models: Vec<ErrorModel>,
138        tolerance: f64,
139    },
140    /// Resource efficiency
141    ResourceEfficiency {
142        max_gates: usize,
143        max_depth: usize,
144        max_qubits: usize,
145    },
146    /// Scalability
147    Scalability {
148        problem_sizes: Vec<usize>,
149        expected_complexity: ComplexityClass,
150    },
151}
152
153/// Correctness checking result
154#[derive(Debug, Clone, Serialize, Deserialize)]
155pub struct CorrectnessResult {
156    /// Criterion name
157    pub criterion_name: String,
158    /// Correctness status
159    pub status: VerificationOutcome,
160    /// Test results
161    pub test_results: Vec<VerifierTestResult>,
162    /// Overall score
163    pub score: f64,
164    /// Checking time
165    pub check_time: Duration,
166}
167
168/// Individual test result
169#[derive(Debug, Clone, Serialize, Deserialize)]
170pub struct VerifierTestResult {
171    /// Test case description
172    pub test_description: String,
173    /// Test outcome
174    pub outcome: TestOutcome,
175    /// Measured error
176    pub error: f64,
177    /// Test execution time
178    pub execution_time: Duration,
179}
180
181impl<const N: usize> CorrectnessChecker<N> {
182    /// Create new correctness checker
183    #[must_use]
184    pub fn new() -> Self {
185        Self {
186            criteria: Vec::new(),
187            results: HashMap::new(),
188            references: HashMap::new(),
189            analyzer: SciRS2CircuitAnalyzer::new(),
190        }
191    }
192}
193
194impl<const N: usize> Default for CorrectnessChecker<N> {
195    fn default() -> Self {
196        Self::new()
197    }
198}
quantrs2_circuit/verifier/model_checker.rs

quantrs2_circuit/verifier/
model_checker.rs
