Return code: 0
Duration: 121.0s

=== STDOUT ===
🚀 Running coder
📦 Dynamic packages: clingo
🤖 Creating agent with model: anthropic/claude-sonnet-4.5
🤖 Using model: anthropic/claude-sonnet-4.5
  python_exec: import clingo
  python_exec: asp_program = """
  python_exec: defining function on_model()
  python_exec: bidders_data = [
  python_exec: print("Verification:")
  save_code: {'code': 'import clingo\nimpor...
  python_exec: executing file 049_auction_mechanism_hard_task_code.py
  report_issue: {'text': 'All is fine - no iss...


                                    Summary                                     

I've successfully completed the combinatorial auction task using Answer Set     
Programming with the clingo Python API. The solution:                           

                                 Key Features:                                  

 1 ASP Model: Implements all constraints using proper ASP syntax with meaningful
   predicates                                                                   
 2 Optimization: Uses dual #maximize statements to maximize both bid prices and 
   synergy bonuses                                                              
 3 Constraints Implemented:                                                     
    • Item exclusivity (no item in multiple winning bids)                       
    • Budget compliance (spending ≤ budget per bidder)                          
    • Synergy bonuses (awarded when bidder wins 2+ bids)                        
    • Licensing requirements (must win license to win category items)           
    • Fairness (max 3 items per bidder)                                         

                                    Results:                                    

 • Winning bids: [3, 4, 6, 7]                                                   
 • Total revenue: 335 (matching expected value)                                 
 • Bidder b: Wins bids 3 & 4 (furniture + license) = 140 + 10 synergy bonus     
 • Bidder c: Wins bids 6 & 7 (electronics + license) = 160 + 25 synergy bonus   
 • Output: Properly formatted JSON with all required fields                     

The solution completes in well under 10 seconds and correctly handles all       
problem constraints.                                                            

==================================================
📊 Execution Statistics
==================================================

🔧 Tool Usage:
  python_exec            6 calls
  report_issue           1 calls
  save_code              1 calls

💬 Token Consumption:
  Input tokens:        122,304
  Output tokens:       7,052
  Total tokens:        129,356

⏱️  Execution time: 1m 59.9s
==================================================


=== STDERR ===
