./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_static_aliasing_memory_5.sol_8_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:29:22,724 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:29:22,761 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59b8ed3-b474-40fc-983c-174ff149ce49/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:29:22,764 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:29:22,764 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:29:22,777 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:29:22,777 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:29:22,777 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:29:22,778 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:29:22,778 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:29:22,778 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:29:22,778 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:29:22,778 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:22,779 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:29:22,779 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:29:22,779 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:29:22,960 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:29:22,965 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:29:22,967 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:29:22,968 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:29:22,968 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:29:22,969 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59b8ed3-b474-40fc-983c-174ff149ce49/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_static_aliasing_memory_5.sol_8_no_adts_000.smt2
[2025-05-07 17:29:22,970 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:29:22,972 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:29:23,256 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59b8ed3-b474-40fc-983c-174ff149ce49/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_static_aliasing_memory_5.sol_8_no_adts_000.smt2
[2025-05-07 17:29:23,258 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:29:23,259 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:29:23,260 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:29:23,260 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:29:23,260 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:29:23,262 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,300 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23 Unit
[2025-05-07 17:29:23,300 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:29:23,300 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:29:23,300 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:29:23,300 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:29:23,311 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,311 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,334 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,334 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,341 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,342 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,344 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,346 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,348 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,361 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:29:23,361 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:29:23,361 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:29:23,362 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:29:23,362 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,364 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:23,374 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:29:23,382 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 17:29:23,385 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 17:29:23,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:29:23,395 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:29:23,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:29:23,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_11_0 given in one single declaration
[2025-05-07 17:29:23,395 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_11_0
[2025-05-07 17:29:23,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_11_0
[2025-05-07 17:29:23,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,395 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__62_63_0
[2025-05-07 17:29:23,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__62_63_0
[2025-05-07 17:29:23,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,395 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__62_63_0
[2025-05-07 17:29:23,395 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__62_63_0
[2025-05-07 17:29:23,395 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,395 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,396 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_61_63_0 given in one single declaration
[2025-05-07 17:29:23,396 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_61_63_0
[2025-05-07 17:29:23,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_61_63_0
[2025-05-07 17:29:23,396 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,396 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,396 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__62_63_0
[2025-05-07 17:29:23,396 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,397 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,397 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,397 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,397 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__62_63_0
[2025-05-07 17:29:23,397 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,398 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,398 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,398 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__62_63_0 given in one single declaration
[2025-05-07 17:29:23,398 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__62_63_0
[2025-05-07 17:29:23,398 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_63_0 given in one single declaration
[2025-05-07 17:29:23,398 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_63_0
[2025-05-07 17:29:23,398 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_63_0
[2025-05-07 17:29:23,399 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_63_0 given in one single declaration
[2025-05-07 17:29:23,409 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_63_0
[2025-05-07 17:29:23,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_63_0
[2025-05-07 17:29:23,409 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_18_C_63_0 given in one single declaration
[2025-05-07 17:29:23,409 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_18_C_63_0
[2025-05-07 17:29:23,409 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_18_C_63_0
[2025-05-07 17:29:23,409 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_20_C_63_0 given in one single declaration
[2025-05-07 17:29:23,409 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_20_C_63_0
[2025-05-07 17:29:23,410 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_20_C_63_0
[2025-05-07 17:29:23,410 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_19_C_63_0 given in one single declaration
[2025-05-07 17:29:23,410 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_19_C_63_0
[2025-05-07 17:29:23,410 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_19_C_63_0
[2025-05-07 17:29:23,410 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_21_C_63_0 given in one single declaration
[2025-05-07 17:29:23,410 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_21_C_63_0
[2025-05-07 17:29:23,410 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_21_C_63_0
[2025-05-07 17:29:23,410 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:29:23,410 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:29:23,410 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:29:23,582 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:29:23,584 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:29:23,817 INFO  L?                        ?]: Removed 291 outVars from TransFormulas that were not future-live.
[2025-05-07 17:29:23,817 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:29:23,825 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:29:23,825 INFO  L312             CfgBuilder]: Removed 15 assume(true) statements.
[2025-05-07 17:29:23,825 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:23 BoogieIcfgContainer
[2025-05-07 17:29:23,826 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:29:23,827 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:29:23,827 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:29:23,830 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:29:23,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:23" (1/3) ...
[2025-05-07 17:29:23,830 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56546a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:29:23, skipping insertion in model container
[2025-05-07 17:29:23,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (2/3) ...
[2025-05-07 17:29:23,830 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56546a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:29:23, skipping insertion in model container
[2025-05-07 17:29:23,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:23" (3/3) ...
[2025-05-07 17:29:23,831 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:29:23,842 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:29:23,844 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 24 procedures, 94 locations, 153 edges, 24 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:29:23,874 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:29:23,882 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;@4632b1ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:29:23,882 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:29:23,885 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 94 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 45 states have internal predecessors, (45), 27 states have call successors, (36), 23 states have call predecessors, (36), 23 states have return successors, (36), 25 states have call predecessors, (36), 27 states have call successors, (36)
[2025-05-07 17:29:23,891 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:23,892 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:23,892 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 17:29:23,892 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:23,896 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:23,896 INFO  L85        PathProgramCache]: Analyzing trace with hash -1712857429, now seen corresponding path program 1 times
[2025-05-07 17:29:23,902 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:23,902 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533080333]
[2025-05-07 17:29:23,902 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:23,902 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:23,940 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:23,980 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:23,980 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:23,980 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,056 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 17:29:24,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,056 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533080333]
[2025-05-07 17:29:24,057 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533080333] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,057 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,058 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:29:24,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007730459]
[2025-05-07 17:29:24,060 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,062 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:29:24,063 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,079 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:29:24,079 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:29:24,081 INFO  L87              Difference]: Start difference. First operand  has 94 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 45 states have internal predecessors, (45), 27 states have call successors, (36), 23 states have call predecessors, (36), 23 states have return successors, (36), 25 states have call predecessors, (36), 27 states have call successors, (36) 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 17:29:24,112 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,113 INFO  L93              Difference]: Finished difference Result 71 states and 80 transitions.
[2025-05-07 17:29:24,113 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:29:24,115 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 17:29:24,115 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,122 INFO  L225             Difference]: With dead ends: 71
[2025-05-07 17:29:24,122 INFO  L226             Difference]: Without dead ends: 64
[2025-05-07 17:29:24,124 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 17:29:24,127 INFO  L437           NwaCegarLoop]: 80 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, 80 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 17:29:24,128 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,143 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2025-05-07 17:29:24,160 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2025-05-07 17:29:24,162 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 29 states have internal predecessors, (29), 20 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (22), 18 states have call predecessors, (22), 20 states have call successors, (22)
[2025-05-07 17:29:24,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions.
[2025-05-07 17:29:24,167 INFO  L79                 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 51
[2025-05-07 17:29:24,169 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,169 INFO  L485      AbstractCegarLoop]: Abstraction has 64 states and 73 transitions.
[2025-05-07 17:29:24,174 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 17:29:24,174 INFO  L278                IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions.
[2025-05-07 17:29:24,177 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:24,177 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,177 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 17:29:24,177 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:29:24,178 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,179 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,180 INFO  L85        PathProgramCache]: Analyzing trace with hash -775157425, now seen corresponding path program 1 times
[2025-05-07 17:29:24,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,180 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485357633]
[2025-05-07 17:29:24,180 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,214 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:24,221 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:24,221 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,221 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,347 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 17:29:24,347 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,347 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485357633]
[2025-05-07 17:29:24,347 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485357633] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,347 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,347 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:29:24,348 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316446216]
[2025-05-07 17:29:24,348 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,348 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:29:24,348 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,349 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:29:24,349 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:29:24,349 INFO  L87              Difference]: Start difference. First operand 64 states and 73 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:24,361 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,362 INFO  L93              Difference]: Finished difference Result 68 states and 77 transitions.
[2025-05-07 17:29:24,362 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:29:24,362 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:29:24,362 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,363 INFO  L225             Difference]: With dead ends: 68
[2025-05-07 17:29:24,363 INFO  L226             Difference]: Without dead ends: 64
[2025-05-07 17:29:24,363 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 17:29:24,364 INFO  L437           NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 214 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 17:29:24,364 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 214 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,365 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2025-05-07 17:29:24,368 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62.
[2025-05-07 17:29:24,369 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 17:29:24,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2025-05-07 17:29:24,369 INFO  L79                 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 51
[2025-05-07 17:29:24,370 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,370 INFO  L485      AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2025-05-07 17:29:24,370 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:24,370 INFO  L278                IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2025-05-07 17:29:24,370 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:24,371 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,371 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 17:29:24,371 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:29:24,371 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,371 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,371 INFO  L85        PathProgramCache]: Analyzing trace with hash 714885459, now seen corresponding path program 1 times
[2025-05-07 17:29:24,371 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,371 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499060425]
[2025-05-07 17:29:24,371 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,371 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,394 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:24,417 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:24,417 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,417 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,690 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 17:29:24,690 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,691 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499060425]
[2025-05-07 17:29:24,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499060425] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,691 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:29:24,691 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236714818]
[2025-05-07 17:29:24,691 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,691 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:29:24,691 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,692 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:29:24,692 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:24,692 INFO  L87              Difference]: Start difference. First operand 62 states and 68 transitions. Second operand  has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 8 states have internal predecessors, (23), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:29:24,780 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,780 INFO  L93              Difference]: Finished difference Result 67 states and 74 transitions.
[2025-05-07 17:29:24,780 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:29:24,781 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), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14) Word has length 51
[2025-05-07 17:29:24,781 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,782 INFO  L225             Difference]: With dead ends: 67
[2025-05-07 17:29:24,782 INFO  L226             Difference]: Without dead ends: 67
[2025-05-07 17:29:24,782 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 17:29:24,783 INFO  L437           NwaCegarLoop]: 63 mSDtfsCounter, 1 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:24,783 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 423 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:29:24,784 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2025-05-07 17:29:24,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2025-05-07 17:29:24,789 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 17:29:24,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions.
[2025-05-07 17:29:24,791 INFO  L79                 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 51
[2025-05-07 17:29:24,791 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,791 INFO  L485      AbstractCegarLoop]: Abstraction has 67 states and 74 transitions.
[2025-05-07 17:29:24,791 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), 5 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 5 states have call successors, (14)
[2025-05-07 17:29:24,791 INFO  L278                IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions.
[2025-05-07 17:29:24,792 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:24,792 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,792 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 17:29:24,793 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:29:24,793 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,793 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,793 INFO  L85        PathProgramCache]: Analyzing trace with hash 1848660931, now seen corresponding path program 1 times
[2025-05-07 17:29:24,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,793 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222881052]
[2025-05-07 17:29:24,793 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,794 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,816 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:24,828 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:24,828 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,828 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,902 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 17:29:24,902 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,902 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222881052]
[2025-05-07 17:29:24,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222881052] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,902 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:29:24,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663469074]
[2025-05-07 17:29:24,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,903 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:29:24,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,903 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:29:24,903 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:29:24,903 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:24,941 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,941 INFO  L93              Difference]: Finished difference Result 72 states and 80 transitions.
[2025-05-07 17:29:24,941 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:29:24,942 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:29:24,942 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,942 INFO  L225             Difference]: With dead ends: 72
[2025-05-07 17:29:24,942 INFO  L226             Difference]: Without dead ends: 72
[2025-05-07 17:29:24,943 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 17:29:24,943 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 336 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 17:29:24,943 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 336 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2025-05-07 17:29:24,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 67.
[2025-05-07 17:29:24,946 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 17:29:24,947 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions.
[2025-05-07 17:29:24,947 INFO  L79                 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 51
[2025-05-07 17:29:24,947 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,947 INFO  L485      AbstractCegarLoop]: Abstraction has 67 states and 74 transitions.
[2025-05-07 17:29:24,948 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:24,948 INFO  L278                IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions.
[2025-05-07 17:29:24,948 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:29:24,948 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,948 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 17:29:24,949 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:29:24,949 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,949 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,949 INFO  L85        PathProgramCache]: Analyzing trace with hash -80419935, now seen corresponding path program 1 times
[2025-05-07 17:29:24,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,949 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775225917]
[2025-05-07 17:29:24,949 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,973 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:29:24,990 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:29:24,990 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,990 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:25,083 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 17:29:25,083 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:25,083 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775225917]
[2025-05-07 17:29:25,083 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775225917] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:25,083 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:25,084 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:29:25,084 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128611379]
[2025-05-07 17:29:25,084 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:25,084 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:29:25,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:25,085 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:29:25,085 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:29:25,085 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:25,118 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:25,118 INFO  L93              Difference]: Finished difference Result 61 states and 68 transitions.
[2025-05-07 17:29:25,119 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:29:25,119 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 51
[2025-05-07 17:29:25,119 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:25,119 INFO  L225             Difference]: With dead ends: 61
[2025-05-07 17:29:25,119 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:29:25,119 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 17:29:25,120 INFO  L437           NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 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 17:29:25,120 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:25,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:29:25,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:29:25,121 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 17:29:25,121 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:29:25,122 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2025-05-07 17:29:25,122 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:25,122 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:29:25,122 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), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:29:25,122 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:29:25,122 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:29:25,124 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:29:25,125 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:29:25,127 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:29:25,129 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:29:25,132 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:29:25 BoogieIcfgContainer
[2025-05-07 17:29:25,132 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:29:25,132 INFO  L158              Benchmark]: Toolchain (without parser) took 1873.07ms. Allocated memory is still 234.9MB. Free memory was 132.9MB in the beginning and 90.1MB in the end (delta: 42.8MB). Peak memory consumption was 49.1MB. Max. memory is 33.6GB.
[2025-05-07 17:29:25,132 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 174.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:25,133 INFO  L158              Benchmark]: ChcToBoogie took 40.30ms. Allocated memory is still 234.9MB. Free memory was 132.9MB in the beginning and 128.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:25,133 INFO  L158              Benchmark]: Boogie Preprocessor took 60.56ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 124.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:25,133 INFO  L158              Benchmark]: RCFGBuilder took 464.19ms. Allocated memory is still 234.9MB. Free memory was 124.0MB in the beginning and 143.1MB in the end (delta: -19.1MB). Peak memory consumption was 26.0MB. Max. memory is 33.6GB.
[2025-05-07 17:29:25,133 INFO  L158              Benchmark]: TraceAbstraction took 1304.86ms. Allocated memory is still 234.9MB. Free memory was 142.5MB in the beginning and 90.1MB in the end (delta: 52.4MB). Peak memory consumption was 39.9MB. Max. memory is 33.6GB.
[2025-05-07 17:29:25,135 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 174.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 40.30ms. Allocated memory is still 234.9MB. Free memory was 132.9MB in the beginning and 128.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 60.56ms. Allocated memory is still 234.9MB. Free memory was 128.1MB in the beginning and 124.1MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 464.19ms. Allocated memory is still 234.9MB. Free memory was 124.0MB in the beginning and 143.1MB in the end (delta: -19.1MB). Peak memory consumption was 26.0MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1304.86ms. Allocated memory is still 234.9MB. Free memory was 142.5MB in the beginning and 90.1MB in the end (delta: 52.4MB). Peak memory consumption was 39.9MB. 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 24 procedures, 94 locations, 153 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1353 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 349 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 17:29:25,146 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
