./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/slice_default_start.sol_0_no_adts_000.smt2 .


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:31,438 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:31,491 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45d5050-8732-4887-8834-ca1a197f725f/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:31,495 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:31,495 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:31,512 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:31,513 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:31,513 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:31,513 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:31,513 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:31,514 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:31,514 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:31,514 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:31,514 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:31,515 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:31,515 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:31,515 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:31,515 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:31,515 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:31,515 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:31,516 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:31,516 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:31,705 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:31,713 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:31,715 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:31,716 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:31,716 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:31,717 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45d5050-8732-4887-8834-ca1a197f725f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/slice_default_start.sol_0_no_adts_000.smt2
[2025-05-07 17:25:31,718 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:31,721 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:25:31,979 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a45d5050-8732-4887-8834-ca1a197f725f/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/slice_default_start.sol_0_no_adts_000.smt2
[2025-05-07 17:25:31,982 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:25:31,983 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:25:31,983 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:25:31,983 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:25:31,983 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:25:31,985 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:31" (1/1) ...
[2025-05-07 17:25:32,017 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32 Unit
[2025-05-07 17:25:32,017 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:25:32,018 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:25:32,018 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:25:32,018 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:25:32,029 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,029 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,050 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,050 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,055 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,056 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,057 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,059 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,060 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,072 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:25:32,072 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:25:32,072 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:25:32,072 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:25:32,073 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (1/1) ...
[2025-05-07 17:25:32,075 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:32,084 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:25:32,092 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:25:32,094 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:25:32,101 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:25:32,101 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:25:32,101 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:25:32,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_10_0 given in one single declaration
[2025-05-07 17:25:32,102 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_10_0
[2025-05-07 17:25:32,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_10_0
[2025-05-07 17:25:32,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_60_0 given in one single declaration
[2025-05-07 17:25:32,102 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_60_0
[2025-05-07 17:25:32,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_60_0
[2025-05-07 17:25:32,102 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_60_0 given in one single declaration
[2025-05-07 17:25:32,102 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_60_0
[2025-05-07 17:25:32,102 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_60_0
[2025-05-07 17:25:32,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_15_C_60_0 given in one single declaration
[2025-05-07 17:25:32,103 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_15_C_60_0
[2025-05-07 17:25:32,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_15_C_60_0
[2025-05-07 17:25:32,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_17_C_60_0 given in one single declaration
[2025-05-07 17:25:32,103 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_17_C_60_0
[2025-05-07 17:25:32,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_17_C_60_0
[2025-05-07 17:25:32,103 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_16_C_60_0 given in one single declaration
[2025-05-07 17:25:32,103 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_16_C_60_0
[2025-05-07 17:25:32,103 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_16_C_60_0
[2025-05-07 17:25:32,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_18_C_60_0 given in one single declaration
[2025-05-07 17:25:32,104 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_18_C_60_0
[2025-05-07 17:25:32,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_18_C_60_0
[2025-05-07 17:25:32,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,104 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__59_60_0
[2025-05-07 17:25:32,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__59_60_0
[2025-05-07 17:25:32,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,104 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__59_60_0
[2025-05-07 17:25:32,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__59_60_0
[2025-05-07 17:25:32,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,105 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__59_60_0
[2025-05-07 17:25:32,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__59_60_0
[2025-05-07 17:25:32,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_58_60_0 given in one single declaration
[2025-05-07 17:25:32,105 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_58_60_0
[2025-05-07 17:25:32,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_58_60_0
[2025-05-07 17:25:32,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,105 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__59_60_0
[2025-05-07 17:25:32,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__59_60_0
[2025-05-07 17:25:32,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure array_slice_bytes_tuple_0 given in one single declaration
[2025-05-07 17:25:32,106 INFO  L130     BoogieDeclarations]: Found specification of procedure array_slice_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure array_slice_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure array_slice_header_bytes_tuple_0 given in one single declaration
[2025-05-07 17:25:32,106 INFO  L130     BoogieDeclarations]: Found specification of procedure array_slice_header_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure array_slice_header_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure array_slice_loop_bytes_tuple_0 given in one single declaration
[2025-05-07 17:25:32,106 INFO  L130     BoogieDeclarations]: Found specification of procedure array_slice_loop_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure array_slice_loop_bytes_tuple_0
[2025-05-07 17:25:32,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,106 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__59_60_0
[2025-05-07 17:25:32,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__59_60_0
[2025-05-07 17:25:32,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__59_60_0
[2025-05-07 17:25:32,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__59_60_0
[2025-05-07 17:25:32,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__59_60_0
[2025-05-07 17:25:32,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__59_60_0 given in one single declaration
[2025-05-07 17:25:32,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__59_60_0
[2025-05-07 17:25:32,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__59_60_0
[2025-05-07 17:25:32,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:25:32,108 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:25:32,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:25:32,266 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:25:32,268 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:25:32,516 INFO  L?                        ?]: Removed 222 outVars from TransFormulas that were not future-live.
[2025-05-07 17:25:32,517 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:25:32,525 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:25:32,525 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:25:32,525 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:32 BoogieIcfgContainer
[2025-05-07 17:25:32,525 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:25:32,527 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:25:32,527 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:25:32,529 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:25:32,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:31" (1/3) ...
[2025-05-07 17:25:32,530 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cad3c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:25:32, skipping insertion in model container
[2025-05-07 17:25:32,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:32" (2/3) ...
[2025-05-07 17:25:32,530 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cad3c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:25:32, skipping insertion in model container
[2025-05-07 17:25:32,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:32" (3/3) ...
[2025-05-07 17:25:32,531 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:25:32,541 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:25:32,543 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 24 procedures, 108 locations, 187 edges, 24 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:25:32,572 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:25:32,580 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ae4578b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:25:32,581 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:25:32,584 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 108 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 46 states have internal predecessors, (46), 41 states have call successors, (47), 23 states have call predecessors, (47), 23 states have return successors, (47), 39 states have call predecessors, (47), 41 states have call successors, (47)
[2025-05-07 17:25:32,591 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:25:32,591 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:32,591 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:32,591 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:32,595 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:32,595 INFO  L85        PathProgramCache]: Analyzing trace with hash -788199627, now seen corresponding path program 1 times
[2025-05-07 17:25:32,601 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:32,601 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103939845]
[2025-05-07 17:25:32,601 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:32,602 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:32,641 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:25:32,670 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:25:32,670 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:32,670 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:32,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:25:32,774 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:32,774 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103939845]
[2025-05-07 17:25:32,774 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103939845] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:32,775 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:32,777 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:25:32,778 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355452771]
[2025-05-07 17:25:32,779 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:32,782 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:25:32,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:32,800 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:25:32,801 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:25:32,803 INFO  L87              Difference]: Start difference. First operand  has 108 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 46 states have internal predecessors, (46), 41 states have call successors, (47), 23 states have call predecessors, (47), 23 states have return successors, (47), 39 states have call predecessors, (47), 41 states have call successors, (47) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:25:32,822 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:32,823 INFO  L93              Difference]: Finished difference Result 88 states and 106 transitions.
[2025-05-07 17:25:32,823 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:25:32,825 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:25:32,825 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:32,830 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:25:32,830 INFO  L226             Difference]: Without dead ends: 84
[2025-05-07 17:25:32,832 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:25:32,844 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:32,845 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:32,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2025-05-07 17:25:32,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2025-05-07 17:25:32,881 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 36 states have internal predecessors, (36), 31 states have call successors, (33), 19 states have call predecessors, (33), 19 states have return successors, (33), 29 states have call predecessors, (33), 31 states have call successors, (33)
[2025-05-07 17:25:32,886 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions.
[2025-05-07 17:25:32,887 INFO  L79                 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 51
[2025-05-07 17:25:32,888 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:32,888 INFO  L485      AbstractCegarLoop]: Abstraction has 84 states and 102 transitions.
[2025-05-07 17:25:32,888 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:25:32,888 INFO  L278                IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions.
[2025-05-07 17:25:32,894 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2025-05-07 17:25:32,894 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:32,895 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:32,895 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:32,895 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:32,896 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:32,896 INFO  L85        PathProgramCache]: Analyzing trace with hash 769774983, now seen corresponding path program 1 times
[2025-05-07 17:25:32,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:32,896 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339095346]
[2025-05-07 17:25:32,896 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:32,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:32,934 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes.
[2025-05-07 17:25:32,983 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements.
[2025-05-07 17:25:32,984 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:32,984 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:33,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2025-05-07 17:25:33,270 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:33,270 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339095346]
[2025-05-07 17:25:33,270 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339095346] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:33,270 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:33,270 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:25:33,270 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946689767]
[2025-05-07 17:25:33,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:33,271 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:25:33,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:33,272 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:25:33,272 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:25:33,272 INFO  L87              Difference]: Start difference. First operand 84 states and 102 transitions. Second operand  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:25:33,310 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:33,310 INFO  L93              Difference]: Finished difference Result 88 states and 106 transitions.
[2025-05-07 17:25:33,310 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:25:33,311 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 67
[2025-05-07 17:25:33,311 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:33,311 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:25:33,312 INFO  L226             Difference]: Without dead ends: 84
[2025-05-07 17:25:33,312 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:25:33,312 INFO  L437           NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:33,312 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 390 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:33,313 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2025-05-07 17:25:33,318 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82.
[2025-05-07 17:25:33,319 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 82 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 35 states have internal predecessors, (35), 29 states have call successors, (31), 19 states have call predecessors, (31), 19 states have return successors, (31), 28 states have call predecessors, (31), 29 states have call successors, (31)
[2025-05-07 17:25:33,320 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions.
[2025-05-07 17:25:33,320 INFO  L79                 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 67
[2025-05-07 17:25:33,320 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:33,320 INFO  L485      AbstractCegarLoop]: Abstraction has 82 states and 97 transitions.
[2025-05-07 17:25:33,320 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:25:33,320 INFO  L278                IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions.
[2025-05-07 17:25:33,321 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2025-05-07 17:25:33,321 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:33,321 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:33,321 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:33,322 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:33,322 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:33,322 INFO  L85        PathProgramCache]: Analyzing trace with hash -318432509, now seen corresponding path program 1 times
[2025-05-07 17:25:33,322 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:33,322 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223164455]
[2025-05-07 17:25:33,322 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:33,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:33,352 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes.
[2025-05-07 17:25:33,375 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements.
[2025-05-07 17:25:33,376 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:33,376 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:33,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2025-05-07 17:25:33,512 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:33,512 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223164455]
[2025-05-07 17:25:33,512 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223164455] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:33,512 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:33,513 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:33,513 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392779300]
[2025-05-07 17:25:33,513 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:33,513 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:33,513 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:33,514 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:33,514 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:33,514 INFO  L87              Difference]: Start difference. First operand 82 states and 97 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:25:33,555 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:33,555 INFO  L93              Difference]: Finished difference Result 86 states and 101 transitions.
[2025-05-07 17:25:33,556 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:33,556 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 67
[2025-05-07 17:25:33,556 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:33,557 INFO  L225             Difference]: With dead ends: 86
[2025-05-07 17:25:33,557 INFO  L226             Difference]: Without dead ends: 86
[2025-05-07 17:25:33,558 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:33,558 INFO  L437           NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:33,558 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 458 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:33,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2025-05-07 17:25:33,565 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2025-05-07 17:25:33,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 29 states have call successors, (31), 19 states have call predecessors, (31), 21 states have return successors, (33), 30 states have call predecessors, (33), 29 states have call successors, (33)
[2025-05-07 17:25:33,566 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions.
[2025-05-07 17:25:33,567 INFO  L79                 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 67
[2025-05-07 17:25:33,567 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:33,567 INFO  L485      AbstractCegarLoop]: Abstraction has 86 states and 101 transitions.
[2025-05-07 17:25:33,567 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (17), 1 states have call predecessors, (17), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17)
[2025-05-07 17:25:33,567 INFO  L278                IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions.
[2025-05-07 17:25:33,569 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2025-05-07 17:25:33,569 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:33,569 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:33,569 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:33,569 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:33,570 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:33,570 INFO  L85        PathProgramCache]: Analyzing trace with hash 1877048676, now seen corresponding path program 1 times
[2025-05-07 17:25:33,570 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:33,570 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225622195]
[2025-05-07 17:25:33,570 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:33,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:33,589 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes.
[2025-05-07 17:25:33,601 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements.
[2025-05-07 17:25:33,601 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:33,601 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:33,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2025-05-07 17:25:33,693 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:33,694 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225622195]
[2025-05-07 17:25:33,694 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225622195] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:33,694 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:33,694 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:33,694 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193685389]
[2025-05-07 17:25:33,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:33,694 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:33,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:33,695 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:33,695 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:33,695 INFO  L87              Difference]: Start difference. First operand 86 states and 101 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:33,733 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:33,733 INFO  L93              Difference]: Finished difference Result 90 states and 105 transitions.
[2025-05-07 17:25:33,734 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:33,734 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 75
[2025-05-07 17:25:33,734 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:33,735 INFO  L225             Difference]: With dead ends: 90
[2025-05-07 17:25:33,735 INFO  L226             Difference]: Without dead ends: 90
[2025-05-07 17:25:33,736 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:33,736 INFO  L437           NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:33,736 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 469 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:33,737 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2025-05-07 17:25:33,742 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86.
[2025-05-07 17:25:33,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 29 states have call successors, (31), 19 states have call predecessors, (31), 21 states have return successors, (33), 30 states have call predecessors, (33), 29 states have call successors, (33)
[2025-05-07 17:25:33,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions.
[2025-05-07 17:25:33,744 INFO  L79                 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 75
[2025-05-07 17:25:33,744 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:33,744 INFO  L485      AbstractCegarLoop]: Abstraction has 86 states and 101 transitions.
[2025-05-07 17:25:33,744 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:33,744 INFO  L278                IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions.
[2025-05-07 17:25:33,746 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2025-05-07 17:25:33,746 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:33,746 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:25:33,746 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:25:33,746 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:33,746 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:33,747 INFO  L85        PathProgramCache]: Analyzing trace with hash 495489002, now seen corresponding path program 1 times
[2025-05-07 17:25:33,747 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:33,747 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909180577]
[2025-05-07 17:25:33,747 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:33,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:33,771 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes.
[2025-05-07 17:25:33,785 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements.
[2025-05-07 17:25:33,785 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:33,785 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:33,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2025-05-07 17:25:33,976 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:33,976 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909180577]
[2025-05-07 17:25:33,976 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909180577] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:33,976 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:33,976 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:25:33,976 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245850539]
[2025-05-07 17:25:33,977 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:33,977 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:25:33,977 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:33,978 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:25:33,978 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:25:33,978 INFO  L87              Difference]: Start difference. First operand 86 states and 101 transitions. Second operand  has 9 states, 6 states have (on average 4.5) internal successors, (27), 9 states have internal predecessors, (27), 7 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18)
[2025-05-07 17:25:34,068 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:34,068 INFO  L93              Difference]: Finished difference Result 56 states and 67 transitions.
[2025-05-07 17:25:34,069 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:25:34,069 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 6 states have (on average 4.5) internal successors, (27), 9 states have internal predecessors, (27), 7 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 75
[2025-05-07 17:25:34,069 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:34,069 INFO  L225             Difference]: With dead ends: 56
[2025-05-07 17:25:34,069 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:34,070 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:25:34,070 INFO  L437           NwaCegarLoop]: 62 mSDtfsCounter, 2 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:34,070 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 408 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:34,071 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:34,071 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:34,071 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:25:34,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:34,071 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 75
[2025-05-07 17:25:34,071 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:34,071 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:34,072 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 6 states have (on average 4.5) internal successors, (27), 9 states have internal predecessors, (27), 7 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18)
[2025-05-07 17:25:34,072 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:34,072 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:34,074 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:34,075 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:25:34,078 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:25:34,080 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:34,083 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:34 BoogieIcfgContainer
[2025-05-07 17:25:34,083 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:34,083 INFO  L158              Benchmark]: Toolchain (without parser) took 2100.67ms. Allocated memory is still 234.9MB. Free memory was 142.6MB in the beginning and 79.7MB in the end (delta: 63.0MB). Peak memory consumption was 64.1MB. Max. memory is 33.6GB.
[2025-05-07 17:25:34,084 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:34,084 INFO  L158              Benchmark]: ChcToBoogie took 34.22ms. Allocated memory is still 234.9MB. Free memory was 142.5MB in the beginning and 139.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:34,084 INFO  L158              Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 234.9MB. Free memory was 138.9MB in the beginning and 135.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:34,084 INFO  L158              Benchmark]: RCFGBuilder took 453.13ms. Allocated memory is still 234.9MB. Free memory was 135.4MB in the beginning and 166.0MB in the end (delta: -30.6MB). Peak memory consumption was 26.2MB. Max. memory is 33.6GB.
[2025-05-07 17:25:34,084 INFO  L158              Benchmark]: TraceAbstraction took 1556.00ms. Allocated memory is still 234.9MB. Free memory was 165.4MB in the beginning and 79.7MB in the end (delta: 85.8MB). Peak memory consumption was 88.3MB. Max. memory is 33.6GB.
[2025-05-07 17:25:34,085 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 34.22ms. Allocated memory is still 234.9MB. Free memory was 142.5MB in the beginning and 139.0MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 54.21ms. Allocated memory is still 234.9MB. Free memory was 138.9MB in the beginning and 135.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 453.13ms. Allocated memory is still 234.9MB. Free memory was 135.4MB in the beginning and 166.0MB in the end (delta: -30.6MB). Peak memory consumption was 26.2MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1556.00ms. Allocated memory is still 234.9MB. Free memory was 165.4MB in the beginning and 79.7MB in the end (delta: 85.8MB). Peak memory consumption was 88.3MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 24 procedures, 108 locations, 187 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 1831 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1371 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 460 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:25:34,097 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
