./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/assignment_contract_member_variable.sol_7_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:29,167 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:29,217 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe44040-b318-4965-99a3-3fe2d3187bf4/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:29,221 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:29,221 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:29,240 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:29,241 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:29,241 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:29,241 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:29,241 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:29,242 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:29,242 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:29,242 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:29,242 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:29,242 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:29,242 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:29,242 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:29,242 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:29,243 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:29,243 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:29,244 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:29,244 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:29,451 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:29,457 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:29,458 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:29,459 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:29,459 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:29,460 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe44040-b318-4965-99a3-3fe2d3187bf4/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/assignment_contract_member_variable.sol_7_no_adts_000.smt2
[2025-05-07 17:28:29,461 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:29,464 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:29,830 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe44040-b318-4965-99a3-3fe2d3187bf4/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/assignment_contract_member_variable.sol_7_no_adts_000.smt2
[2025-05-07 17:28:29,832 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:29,833 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:29,834 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:29,834 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:29,834 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:29,836 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,894 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29 Unit
[2025-05-07 17:28:29,895 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:29,896 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:29,896 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:29,896 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:29,906 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,906 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,939 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,939 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,953 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,956 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,958 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,964 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,966 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,989 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:29,989 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:29,990 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:29,990 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:29,990 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (1/1) ...
[2025-05-07 17:28:29,993 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:30,002 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:30,011 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 17:28:30,014 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 17:28:30,024 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:30,024 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:30,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:30,024 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_14_0 given in one single declaration
[2025-05-07 17:28:30,024 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_14_0
[2025-05-07 17:28:30,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_14_0
[2025-05-07 17:28:30,024 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_A_146_0 given in one single declaration
[2025-05-07 17:28:30,024 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_A_146_0
[2025-05-07 17:28:30,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_A_146_0
[2025-05-07 17:28:30,025 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_A_146_0 given in one single declaration
[2025-05-07 17:28:30,025 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_A_146_0
[2025-05-07 17:28:30,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_A_146_0
[2025-05-07 17:28:30,025 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_22_A_146_0 given in one single declaration
[2025-05-07 17:28:30,025 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_22_A_146_0
[2025-05-07 17:28:30,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_22_A_146_0
[2025-05-07 17:28:30,025 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_19_A_146_0 given in one single declaration
[2025-05-07 17:28:30,025 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_19_A_146_0
[2025-05-07 17:28:30,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_19_A_146_0
[2025-05-07 17:28:30,025 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_21_A_146_0 given in one single declaration
[2025-05-07 17:28:30,025 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_21_A_146_0
[2025-05-07 17:28:30,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_21_A_146_0
[2025-05-07 17:28:30,025 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_20_A_146_0 given in one single declaration
[2025-05-07 17:28:30,025 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_20_A_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_20_A_146_0
[2025-05-07 17:28:30,026 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,026 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,026 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,026 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,026 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_a__145_146_0
[2025-05-07 17:28:30,026 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_a_144_146_0 given in one single declaration
[2025-05-07 17:28:30,026 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_a_144_146_0
[2025-05-07 17:28:30,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_a_144_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,027 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,027 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,027 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,027 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,027 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_a__145_146_0
[2025-05-07 17:28:30,027 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,028 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,028 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,028 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,028 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,028 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_a__145_146_0
[2025-05-07 17:28:30,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_a__145_146_0
[2025-05-07 17:28:30,029 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_a__145_146_0 given in one single declaration
[2025-05-07 17:28:30,029 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_a__145_146_0
[2025-05-07 17:28:30,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_a__145_146_0
[2025-05-07 17:28:30,029 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:30,029 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:30,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:30,232 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:30,233 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:30,631 INFO  L?                        ?]: Removed 297 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:30,631 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:30,640 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:30,640 INFO  L312             CfgBuilder]: Removed 16 assume(true) statements.
[2025-05-07 17:28:30,640 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:30 BoogieIcfgContainer
[2025-05-07 17:28:30,640 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:30,642 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:30,642 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:30,644 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:30,645 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:29" (1/3) ...
[2025-05-07 17:28:30,645 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c31c8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:30, skipping insertion in model container
[2025-05-07 17:28:30,645 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:29" (2/3) ...
[2025-05-07 17:28:30,645 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c31c8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:30, skipping insertion in model container
[2025-05-07 17:28:30,645 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:30" (3/3) ...
[2025-05-07 17:28:30,646 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:30,656 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:30,658 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 25 procedures, 98 locations, 161 edges, 25 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:30,688 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:30,697 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;@3e31f3bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:30,697 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:30,700 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 98 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 47 states have internal predecessors, (47), 28 states have call successors, (38), 24 states have call predecessors, (38), 24 states have return successors, (38), 26 states have call predecessors, (38), 28 states have call successors, (38)
[2025-05-07 17:28:30,706 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:30,706 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:30,707 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 17:28:30,707 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:30,711 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:30,711 INFO  L85        PathProgramCache]: Analyzing trace with hash -1827779565, now seen corresponding path program 1 times
[2025-05-07 17:28:30,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:30,717 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025879100]
[2025-05-07 17:28:30,717 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:30,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:30,760 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:30,832 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:30,832 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:30,833 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:31,066 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 17:28:31,066 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:31,066 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025879100]
[2025-05-07 17:28:31,067 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025879100] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:31,067 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:31,069 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:31,070 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396586759]
[2025-05-07 17:28:31,070 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:31,073 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:31,073 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:31,101 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:31,101 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:31,103 INFO  L87              Difference]: Start difference. First operand  has 98 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 47 states have internal predecessors, (47), 28 states have call successors, (38), 24 states have call predecessors, (38), 24 states have return successors, (38), 26 states have call predecessors, (38), 28 states have call successors, (38) Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:31,135 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:31,136 INFO  L93              Difference]: Finished difference Result 76 states and 85 transitions.
[2025-05-07 17:28:31,137 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:31,138 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 51
[2025-05-07 17:28:31,138 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:31,144 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:28:31,144 INFO  L226             Difference]: Without dead ends: 64
[2025-05-07 17:28:31,145 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:31,147 INFO  L437           NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:31,148 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:31,157 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2025-05-07 17:28:31,171 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62.
[2025-05-07 17:28:31,172 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 18 states have call successors, (20), 16 states have call predecessors, (20), 16 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20)
[2025-05-07 17:28:31,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2025-05-07 17:28:31,175 INFO  L79                 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 51
[2025-05-07 17:28:31,176 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:31,176 INFO  L485      AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2025-05-07 17:28:31,176 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14)
[2025-05-07 17:28:31,176 INFO  L278                IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2025-05-07 17:28:31,177 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:31,177 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:31,177 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 17:28:31,178 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:31,178 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:31,178 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:31,178 INFO  L85        PathProgramCache]: Analyzing trace with hash -1098649201, now seen corresponding path program 1 times
[2025-05-07 17:28:31,178 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:31,178 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580469127]
[2025-05-07 17:28:31,178 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:31,179 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:31,209 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:31,235 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:31,235 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:31,235 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:31,353 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 17:28:31,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:31,353 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580469127]
[2025-05-07 17:28:31,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580469127] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:31,353 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:31,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:31,354 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474272851]
[2025-05-07 17:28:31,354 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:31,355 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:31,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:31,355 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:31,355 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:31,355 INFO  L87              Difference]: Start difference. First operand 62 states and 68 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:31,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:31,392 INFO  L93              Difference]: Finished difference Result 67 states and 74 transitions.
[2025-05-07 17:28:31,393 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:31,393 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:28:31,393 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:31,394 INFO  L225             Difference]: With dead ends: 67
[2025-05-07 17:28:31,394 INFO  L226             Difference]: Without dead ends: 67
[2025-05-07 17:28:31,394 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 17:28:31,394 INFO  L437           NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 341 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 17:28:31,395 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 341 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:31,395 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2025-05-07 17:28:31,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2025-05-07 17:28:31,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 67 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 30 states have internal predecessors, (30), 19 states have call successors, (21), 16 states have call predecessors, (21), 18 states have return successors, (23), 20 states have call predecessors, (23), 19 states have call successors, (23)
[2025-05-07 17:28:31,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions.
[2025-05-07 17:28:31,400 INFO  L79                 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 51
[2025-05-07 17:28:31,401 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:31,401 INFO  L485      AbstractCegarLoop]: Abstraction has 67 states and 74 transitions.
[2025-05-07 17:28:31,401 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:31,401 INFO  L278                IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions.
[2025-05-07 17:28:31,402 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:31,402 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:31,402 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 17:28:31,402 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:31,402 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:31,402 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:31,403 INFO  L85        PathProgramCache]: Analyzing trace with hash 1157014085, now seen corresponding path program 1 times
[2025-05-07 17:28:31,403 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:31,403 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657026231]
[2025-05-07 17:28:31,403 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:31,403 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:31,430 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:31,451 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:31,452 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:31,452 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:31,735 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 17:28:31,735 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:31,735 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657026231]
[2025-05-07 17:28:31,736 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657026231] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:31,736 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:31,736 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:31,736 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830343594]
[2025-05-07 17:28:31,736 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:31,736 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:31,736 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:31,737 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:31,737 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:31,737 INFO  L87              Difference]: Start difference. First operand 67 states and 74 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:28:31,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:31,819 INFO  L93              Difference]: Finished difference Result 72 states and 80 transitions.
[2025-05-07 17:28:31,820 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:31,820 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 51
[2025-05-07 17:28:31,820 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:31,821 INFO  L225             Difference]: With dead ends: 72
[2025-05-07 17:28:31,821 INFO  L226             Difference]: Without dead ends: 72
[2025-05-07 17:28:31,821 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:31,822 INFO  L437           NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:31,822 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 363 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:31,822 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2025-05-07 17:28:31,825 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67.
[2025-05-07 17:28:31,826 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 67 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 30 states have internal predecessors, (30), 19 states have call successors, (21), 16 states have call predecessors, (21), 18 states have return successors, (23), 20 states have call predecessors, (23), 19 states have call successors, (23)
[2025-05-07 17:28:31,826 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions.
[2025-05-07 17:28:31,826 INFO  L79                 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 51
[2025-05-07 17:28:31,826 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:31,826 INFO  L485      AbstractCegarLoop]: Abstraction has 67 states and 74 transitions.
[2025-05-07 17:28:31,827 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:28:31,827 INFO  L278                IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions.
[2025-05-07 17:28:31,827 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:31,827 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:31,827 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 17:28:31,827 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:31,828 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:31,828 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:31,828 INFO  L85        PathProgramCache]: Analyzing trace with hash -375014843, now seen corresponding path program 1 times
[2025-05-07 17:28:31,828 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:31,828 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438402205]
[2025-05-07 17:28:31,828 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:31,828 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:31,850 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:31,859 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:31,859 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:31,859 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:31,925 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 17:28:31,925 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:31,926 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438402205]
[2025-05-07 17:28:31,926 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438402205] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:31,926 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:31,926 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:31,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20882328]
[2025-05-07 17:28:31,926 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:31,926 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:31,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:31,927 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:31,927 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:31,927 INFO  L87              Difference]: Start difference. First operand 67 states and 74 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:31,949 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:31,949 INFO  L93              Difference]: Finished difference Result 37 states and 40 transitions.
[2025-05-07 17:28:31,950 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:31,950 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:28:31,950 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:31,950 INFO  L225             Difference]: With dead ends: 37
[2025-05-07 17:28:31,951 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:31,951 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 17:28:31,951 INFO  L437           NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:31,951 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:31,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:31,952 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:31,952 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 17:28:31,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:31,952 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:28:31,952 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:31,952 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:31,953 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:28:31,953 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:31,953 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:31,955 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:31,955 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:31,957 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2025-05-07 17:28:31,959 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:31,961 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:31 BoogieIcfgContainer
[2025-05-07 17:28:31,961 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: Toolchain (without parser) took 2128.27ms. Allocated memory is still 234.9MB. Free memory was 186.6MB in the beginning and 88.3MB in the end (delta: 98.3MB). Peak memory consumption was 95.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: ChcToBoogie took 61.21ms. Allocated memory is still 234.9MB. Free memory was 186.6MB in the beginning and 178.7MB in the end (delta: 7.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: Boogie Preprocessor took 93.16ms. Allocated memory is still 234.9MB. Free memory was 178.7MB in the beginning and 174.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: RCFGBuilder took 650.96ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 174.4MB in the beginning and 253.5MB in the end (delta: -79.1MB). Peak memory consumption was 75.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:31,962 INFO  L158              Benchmark]: TraceAbstraction took 1319.38ms. Allocated memory was 318.8MB in the beginning and 234.9MB in the end (delta: -83.9MB). Free memory was 252.7MB in the beginning and 88.3MB in the end (delta: 164.3MB). Peak memory consumption was 72.9MB. Max. memory is 33.6GB.
[2025-05-07 17:28:31,963 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 61.21ms. Allocated memory is still 234.9MB. Free memory was 186.6MB in the beginning and 178.7MB in the end (delta: 7.9MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 93.16ms. Allocated memory is still 234.9MB. Free memory was 178.7MB in the beginning and 174.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 650.96ms. Allocated memory was 234.9MB in the beginning and 318.8MB in the end (delta: 83.9MB). Free memory was 174.4MB in the beginning and 253.5MB in the end (delta: -79.1MB). Peak memory consumption was 75.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1319.38ms. Allocated memory was 318.8MB in the beginning and 234.9MB in the end (delta: -83.9MB). Free memory was 252.7MB in the beginning and 88.3MB in the end (delta: 164.3MB). Peak memory consumption was 72.9MB. 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 25 procedures, 98 locations, 161 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 868 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 254 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 17:28:31,973 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
