./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/fixed_bytes_2.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:04,246 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:04,299 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f4bb61-74b0-435a-bb02-fbeff33ef812/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:04,303 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:04,304 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:04,321 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:04,322 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:04,322 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:04,322 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:04,322 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:04,323 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:04,323 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:04,323 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:04,323 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:04,323 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:04,324 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:04,324 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:04,533 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:04,539 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:04,541 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:04,541 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:04,542 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:04,542 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f4bb61-74b0-435a-bb02-fbeff33ef812/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/fixed_bytes_2.sol_0_no_adts_000.smt2
[2025-05-07 17:26:04,543 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:04,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:04,747 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64f4bb61-74b0-435a-bb02-fbeff33ef812/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/fixed_bytes_2.sol_0_no_adts_000.smt2
[2025-05-07 17:26:04,749 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:04,750 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:04,750 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:04,750 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:04,750 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:04,752 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,779 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04 Unit
[2025-05-07 17:26:04,779 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:04,780 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:04,780 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:04,780 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:04,791 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,791 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,811 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,812 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,816 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,817 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,818 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,820 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,821 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,830 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:04,831 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:04,831 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:04,831 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:04,832 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (1/1) ...
[2025-05-07 17:26:04,834 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:04,844 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:04,853 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 17:26:04,855 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 17:26:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:04,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:04,863 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:26:04,863 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:26:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:26:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_30_0 given in one single declaration
[2025-05-07 17:26:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_30_0
[2025-05-07 17:26:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_30_0
[2025-05-07 17:26:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__29_30_0
[2025-05-07 17:26:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__29_30_0
[2025-05-07 17:26:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,864 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__29_30_0
[2025-05-07 17:26:04,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__29_30_0
[2025-05-07 17:26:04,864 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_return_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_return_function_g__29_30_0
[2025-05-07 17:26:04,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_return_function_g__29_30_0
[2025-05-07 17:26:04,865 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_g_28_30_0 given in one single declaration
[2025-05-07 17:26:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_g_28_30_0
[2025-05-07 17:26:04,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_g_28_30_0
[2025-05-07 17:26:04,865 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__29_30_0
[2025-05-07 17:26:04,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__29_30_0
[2025-05-07 17:26:04,865 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,865 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__29_30_0
[2025-05-07 17:26:04,865 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__29_30_0
[2025-05-07 17:26:04,866 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_30_0 given in one single declaration
[2025-05-07 17:26:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_30_0
[2025-05-07 17:26:04,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_30_0
[2025-05-07 17:26:04,866 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_22_C_30_0 given in one single declaration
[2025-05-07 17:26:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_22_C_30_0
[2025-05-07 17:26:04,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_22_C_30_0
[2025-05-07 17:26:04,866 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_19_C_30_0 given in one single declaration
[2025-05-07 17:26:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_19_C_30_0
[2025-05-07 17:26:04,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_19_C_30_0
[2025-05-07 17:26:04,866 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_21_C_30_0 given in one single declaration
[2025-05-07 17:26:04,866 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_21_C_30_0
[2025-05-07 17:26:04,866 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_21_C_30_0
[2025-05-07 17:26:04,867 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_20_C_30_0 given in one single declaration
[2025-05-07 17:26:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_20_C_30_0
[2025-05-07 17:26:04,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_20_C_30_0
[2025-05-07 17:26:04,867 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__21_30_0
[2025-05-07 17:26:04,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__21_30_0
[2025-05-07 17:26:04,867 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__21_30_0
[2025-05-07 17:26:04,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__21_30_0
[2025-05-07 17:26:04,867 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_f_20_30_0 given in one single declaration
[2025-05-07 17:26:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_f_20_30_0
[2025-05-07 17:26:04,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_f_20_30_0
[2025-05-07 17:26:04,867 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,867 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_function_f__21_30_0
[2025-05-07 17:26:04,867 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_10_function_g__29_30_0 given in one single declaration
[2025-05-07 17:26:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_10_function_g__29_30_0
[2025-05-07 17:26:04,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_10_function_g__29_30_0
[2025-05-07 17:26:04,868 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_return_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_return_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_return_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__21_30_0 given in one single declaration
[2025-05-07 17:26:04,868 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__21_30_0
[2025-05-07 17:26:04,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__21_30_0
[2025-05-07 17:26:04,869 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:04,869 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:04,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:05,005 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:05,007 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:05,226 INFO  L?                        ?]: Removed 183 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:05,226 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:05,236 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:05,236 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:26:05,237 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:05 BoogieIcfgContainer
[2025-05-07 17:26:05,237 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:05,239 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:05,239 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:05,241 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:05,241 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:04" (1/3) ...
[2025-05-07 17:26:05,242 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afd83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:05, skipping insertion in model container
[2025-05-07 17:26:05,242 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:04" (2/3) ...
[2025-05-07 17:26:05,242 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75afd83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:05, skipping insertion in model container
[2025-05-07 17:26:05,242 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:05" (3/3) ...
[2025-05-07 17:26:05,243 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:05,253 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:05,255 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 24 procedures, 96 locations, 148 edges, 24 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:05,290 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:05,301 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;@27f9cf0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:05,301 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:05,304 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 96 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 43 states have internal predecessors, (43), 33 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 29 states have call predecessors, (35), 33 states have call successors, (35)
[2025-05-07 17:26:05,313 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:05,313 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:05,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:05,314 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:05,317 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:05,318 INFO  L85        PathProgramCache]: Analyzing trace with hash -1526656162, now seen corresponding path program 1 times
[2025-05-07 17:26:05,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:05,323 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065762718]
[2025-05-07 17:26:05,323 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:05,323 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:05,373 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:05,465 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:05,466 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:05,466 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:05,719 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 17:26:05,719 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:05,719 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065762718]
[2025-05-07 17:26:05,720 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065762718] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:05,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:05,722 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:05,723 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617087617]
[2025-05-07 17:26:05,723 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:05,726 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:05,726 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:05,760 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:05,760 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:05,762 INFO  L87              Difference]: Start difference. First operand  has 96 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 43 states have internal predecessors, (43), 33 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 29 states have call predecessors, (35), 33 states have call successors, (35) Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:05,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:05,844 INFO  L93              Difference]: Finished difference Result 98 states and 115 transitions.
[2025-05-07 17:26:05,845 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:05,846 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:26:05,847 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:05,852 INFO  L225             Difference]: With dead ends: 98
[2025-05-07 17:26:05,852 INFO  L226             Difference]: Without dead ends: 98
[2025-05-07 17:26:05,854 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 17:26:05,856 INFO  L437           NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:05,856 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 545 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:05,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2025-05-07 17:26:05,883 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2025-05-07 17:26:05,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 40 states have (on average 1.075) internal successors, (43), 43 states have internal predecessors, (43), 33 states have call successors, (35), 23 states have call predecessors, (35), 25 states have return successors, (37), 31 states have call predecessors, (37), 33 states have call successors, (37)
[2025-05-07 17:26:05,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 115 transitions.
[2025-05-07 17:26:05,889 INFO  L79                 Accepts]: Start accepts. Automaton has 98 states and 115 transitions. Word has length 68
[2025-05-07 17:26:05,890 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:05,890 INFO  L485      AbstractCegarLoop]: Abstraction has 98 states and 115 transitions.
[2025-05-07 17:26:05,890 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:05,890 INFO  L278                IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions.
[2025-05-07 17:26:05,893 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:05,893 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:05,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:05,893 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:05,894 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:05,894 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:05,894 INFO  L85        PathProgramCache]: Analyzing trace with hash 744495322, now seen corresponding path program 1 times
[2025-05-07 17:26:05,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:05,894 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853225177]
[2025-05-07 17:26:05,895 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:05,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:05,933 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:05,953 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:05,953 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:05,953 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,068 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 17:26:06,068 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,068 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853225177]
[2025-05-07 17:26:06,068 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853225177] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,068 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,068 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:06,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932301396]
[2025-05-07 17:26:06,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,070 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:06,070 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,070 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:06,070 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:06,070 INFO  L87              Difference]: Start difference. First operand 98 states and 115 transitions. Second operand  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:26:06,082 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,082 INFO  L93              Difference]: Finished difference Result 102 states and 120 transitions.
[2025-05-07 17:26:06,083 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:06,083 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 68
[2025-05-07 17:26:06,083 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,084 INFO  L225             Difference]: With dead ends: 102
[2025-05-07 17:26:06,084 INFO  L226             Difference]: Without dead ends: 98
[2025-05-07 17:26:06,084 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 17:26:06,085 INFO  L437           NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 331 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 17:26:06,085 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 331 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:06,086 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2025-05-07 17:26:06,090 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96.
[2025-05-07 17:26:06,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 31 states have call successors, (33), 23 states have call predecessors, (33), 25 states have return successors, (35), 30 states have call predecessors, (35), 31 states have call successors, (35)
[2025-05-07 17:26:06,091 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions.
[2025-05-07 17:26:06,091 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 68
[2025-05-07 17:26:06,091 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,092 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 110 transitions.
[2025-05-07 17:26:06,092 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:26:06,092 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions.
[2025-05-07 17:26:06,093 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:06,093 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:06,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:06,093 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:06,093 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:06,094 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:06,094 INFO  L85        PathProgramCache]: Analyzing trace with hash 15364958, now seen corresponding path program 1 times
[2025-05-07 17:26:06,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:06,094 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149489237]
[2025-05-07 17:26:06,094 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:06,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:06,124 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:06,138 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:06,138 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:06,138 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,244 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 17:26:06,244 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,245 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149489237]
[2025-05-07 17:26:06,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149489237] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:06,245 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71374175]
[2025-05-07 17:26:06,245 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,245 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:06,245 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,246 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:06,246 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:06,246 INFO  L87              Difference]: Start difference. First operand 96 states and 110 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:06,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,288 INFO  L93              Difference]: Finished difference Result 100 states and 114 transitions.
[2025-05-07 17:26:06,289 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:06,289 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:26:06,289 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,290 INFO  L225             Difference]: With dead ends: 100
[2025-05-07 17:26:06,290 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:26:06,290 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 17:26:06,291 INFO  L437           NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:06,291 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 520 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:06,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:26:06,295 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96.
[2025-05-07 17:26:06,295 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 31 states have call successors, (33), 23 states have call predecessors, (33), 25 states have return successors, (35), 30 states have call predecessors, (35), 31 states have call successors, (35)
[2025-05-07 17:26:06,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions.
[2025-05-07 17:26:06,296 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 68
[2025-05-07 17:26:06,297 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,297 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 110 transitions.
[2025-05-07 17:26:06,297 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:06,297 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions.
[2025-05-07 17:26:06,298 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:26:06,298 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:06,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:06,298 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:06,298 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:06,299 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:06,299 INFO  L85        PathProgramCache]: Analyzing trace with hash -821624578, now seen corresponding path program 1 times
[2025-05-07 17:26:06,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:06,299 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765843183]
[2025-05-07 17:26:06,299 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:06,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:06,331 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:26:06,346 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:26:06,346 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:06,346 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,500 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 17:26:06,500 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,500 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765843183]
[2025-05-07 17:26:06,500 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765843183] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,500 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,501 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:06,501 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924971501]
[2025-05-07 17:26:06,501 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,501 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:06,501 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,502 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:06,502 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:06,502 INFO  L87              Difference]: Start difference. First operand 96 states and 110 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:06,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,562 INFO  L93              Difference]: Finished difference Result 94 states and 107 transitions.
[2025-05-07 17:26:06,563 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:06,563 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:26:06,563 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,564 INFO  L225             Difference]: With dead ends: 94
[2025-05-07 17:26:06,564 INFO  L226             Difference]: Without dead ends: 91
[2025-05-07 17:26:06,564 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 17:26:06,565 INFO  L437           NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:06,565 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 471 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:06,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2025-05-07 17:26:06,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2025-05-07 17:26:06,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 40 states have internal predecessors, (40), 29 states have call successors, (30), 22 states have call predecessors, (30), 24 states have return successors, (32), 28 states have call predecessors, (32), 29 states have call successors, (32)
[2025-05-07 17:26:06,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions.
[2025-05-07 17:26:06,573 INFO  L79                 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 68
[2025-05-07 17:26:06,573 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,573 INFO  L485      AbstractCegarLoop]: Abstraction has 91 states and 102 transitions.
[2025-05-07 17:26:06,573 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:26:06,573 INFO  L278                IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions.
[2025-05-07 17:26:06,575 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:06,575 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:06,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:06,575 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:26:06,575 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:06,575 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:06,576 INFO  L85        PathProgramCache]: Analyzing trace with hash -1895057345, now seen corresponding path program 1 times
[2025-05-07 17:26:06,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:06,576 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773844465]
[2025-05-07 17:26:06,576 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:06,576 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:06,602 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:06,615 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:06,615 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:06,616 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:06,707 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 17:26:06,707 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:06,707 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773844465]
[2025-05-07 17:26:06,707 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773844465] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:06,707 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:06,707 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:06,708 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095322536]
[2025-05-07 17:26:06,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:06,708 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:06,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:06,708 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:06,709 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:06,709 INFO  L87              Difference]: Start difference. First operand 91 states and 102 transitions. Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:06,754 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:06,755 INFO  L93              Difference]: Finished difference Result 47 states and 50 transitions.
[2025-05-07 17:26:06,755 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:06,755 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:26:06,756 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:06,756 INFO  L225             Difference]: With dead ends: 47
[2025-05-07 17:26:06,756 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:06,756 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:06,757 INFO  L437           NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:06,757 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 256 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:06,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:06,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:06,758 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 17:26:06,758 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:06,758 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65
[2025-05-07 17:26:06,758 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:06,758 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:06,758 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:26:06,758 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:06,758 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:06,761 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:06,761 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:26:06,764 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:26:06,766 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:06,769 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:06 BoogieIcfgContainer
[2025-05-07 17:26:06,769 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:06,770 INFO  L158              Benchmark]: Toolchain (without parser) took 2020.24ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 181.3MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:06,770 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:06,770 INFO  L158              Benchmark]: ChcToBoogie took 29.17ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:06,771 INFO  L158              Benchmark]: Boogie Preprocessor took 50.65ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 143.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:06,771 INFO  L158              Benchmark]: RCFGBuilder took 406.05ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 181.6MB in the end (delta: -38.1MB). Peak memory consumption was 43.3MB. Max. memory is 33.6GB.
[2025-05-07 17:26:06,771 INFO  L158              Benchmark]: TraceAbstraction took 1530.90ms. Allocated memory is still 234.9MB. Free memory was 181.2MB in the beginning and 181.3MB in the end (delta: -94.8kB). Peak memory consumption was 3.1MB. Max. memory is 33.6GB.
[2025-05-07 17:26:06,772 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 172.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 29.17ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.65ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 143.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 406.05ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 181.6MB in the end (delta: -38.1MB). Peak memory consumption was 43.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1530.90ms. Allocated memory is still 234.9MB. Free memory was 181.2MB in the beginning and 181.3MB in the end (delta: -94.8kB). Peak memory consumption was 3.1MB. 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, 96 locations, 148 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1649 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 474 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=1, InterpolantAutomatonStates: 29, 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 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 17:26:06,785 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
