./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/tuple_extra_parens_7.sol_1_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:04,706 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:04,759 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa2a07d-b375-45be-97a2-94927d7c8bf3/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:04,763 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:04,763 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:04,780 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:04,781 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:04,781 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:04,781 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:04,781 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:04,782 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:04,782 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:04,782 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:04,782 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:04,783 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:04,783 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:04,783 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:04,783 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:04,783 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:04,783 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:04,783 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:04,784 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:04,998 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:05,006 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:05,008 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:05,009 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:05,010 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:05,011 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa2a07d-b375-45be-97a2-94927d7c8bf3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/tuple_extra_parens_7.sol_1_no_adts_000.smt2
[2025-05-07 17:28:05,012 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:05,015 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:05,297 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaa2a07d-b375-45be-97a2-94927d7c8bf3/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/tuple_extra_parens_7.sol_1_no_adts_000.smt2
[2025-05-07 17:28:05,299 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:05,300 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:05,300 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:05,301 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:05,301 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:05,302 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,338 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05 Unit
[2025-05-07 17:28:05,338 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:05,339 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:05,340 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:05,340 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:05,351 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,379 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,379 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,385 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,387 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,389 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,392 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,393 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,405 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:05,406 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:05,406 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:05,406 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:05,407 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (1/1) ...
[2025-05-07 17:28:05,409 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:05,418 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:05,426 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:05,428 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:05,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:05,435 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:05,435 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:05,435 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:28:05,435 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:28:05,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:28:05,436 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_47_0 given in one single declaration
[2025-05-07 17:28:05,436 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_47_0
[2025-05-07 17:28:05,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_47_0
[2025-05-07 17:28:05,436 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_47_0 given in one single declaration
[2025-05-07 17:28:05,436 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_47_0
[2025-05-07 17:28:05,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_47_0
[2025-05-07 17:28:05,436 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_18_C_47_0 given in one single declaration
[2025-05-07 17:28:05,436 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_18_C_47_0
[2025-05-07 17:28:05,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_18_C_47_0
[2025-05-07 17:28:05,436 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_20_C_47_0 given in one single declaration
[2025-05-07 17:28:05,436 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_20_C_47_0
[2025-05-07 17:28:05,436 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_20_C_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_19_C_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_19_C_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_19_C_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_21_C_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_21_C_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_21_C_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_return_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_return_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_return_function_f__46_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_function_g__12_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_function_g__12_47_0
[2025-05-07 17:28:05,437 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_function_g__12_47_0
[2025-05-07 17:28:05,437 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_g__12_47_0 given in one single declaration
[2025-05-07 17:28:05,437 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_g__12_47_0 given in one single declaration
[2025-05-07 17:28:05,438 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_g_11_47_0 given in one single declaration
[2025-05-07 17:28:05,438 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_g_11_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_g_11_47_0
[2025-05-07 17:28:05,438 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_g__12_47_0 given in one single declaration
[2025-05-07 17:28:05,438 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_g__12_47_0
[2025-05-07 17:28:05,438 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,438 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__46_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__46_47_0
[2025-05-07 17:28:05,438 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,438 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__46_47_0
[2025-05-07 17:28:05,438 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__46_47_0
[2025-05-07 17:28:05,439 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure nondet_call_13_0 given in one single declaration
[2025-05-07 17:28:05,439 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_call_13_0
[2025-05-07 17:28:05,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_call_13_0
[2025-05-07 17:28:05,439 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure nondet_interface_1_C_47_0 given in one single declaration
[2025-05-07 17:28:05,439 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_interface_1_C_47_0
[2025-05-07 17:28:05,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_interface_1_C_47_0
[2025-05-07 17:28:05,439 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_45_47_0 given in one single declaration
[2025-05-07 17:28:05,439 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_45_47_0
[2025-05-07 17:28:05,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_45_47_0
[2025-05-07 17:28:05,439 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,439 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__46_47_0
[2025-05-07 17:28:05,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__46_47_0
[2025-05-07 17:28:05,439 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__46_47_0 given in one single declaration
[2025-05-07 17:28:05,439 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__46_47_0
[2025-05-07 17:28:05,439 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__46_47_0
[2025-05-07 17:28:05,440 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:05,440 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:05,440 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:05,571 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:05,572 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:05,783 INFO  L?                        ?]: Removed 210 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:05,784 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:05,795 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:05,795 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-05-07 17:28:05,796 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:05 BoogieIcfgContainer
[2025-05-07 17:28:05,796 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:05,798 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:05,798 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:05,802 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:05,802 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:05" (1/3) ...
[2025-05-07 17:28:05,802 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10061bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:05, skipping insertion in model container
[2025-05-07 17:28:05,803 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:05" (2/3) ...
[2025-05-07 17:28:05,803 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10061bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:05, skipping insertion in model container
[2025-05-07 17:28:05,803 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:05" (3/3) ...
[2025-05-07 17:28:05,804 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:05,818 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:05,821 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 24 procedures, 101 locations, 164 edges, 24 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:05,855 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:05,863 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;@7e9958f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:05,863 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:05,866 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 101 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 44 states have internal predecessors, (44), 38 states have call successors, (40), 23 states have call predecessors, (40), 23 states have return successors, (40), 34 states have call predecessors, (40), 38 states have call successors, (40)
[2025-05-07 17:28:05,873 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2025-05-07 17:28:05,873 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:05,874 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]
[2025-05-07 17:28:05,874 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:05,877 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:05,877 INFO  L85        PathProgramCache]: Analyzing trace with hash 1476265925, now seen corresponding path program 1 times
[2025-05-07 17:28:05,883 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:05,883 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268982756]
[2025-05-07 17:28:05,883 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:05,883 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:05,932 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes.
[2025-05-07 17:28:05,986 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements.
[2025-05-07 17:28:05,986 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:05,986 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:06,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:06,158 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:06,158 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268982756]
[2025-05-07 17:28:06,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268982756] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:06,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:06,162 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:06,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413241341]
[2025-05-07 17:28:06,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:06,167 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:06,167 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:06,201 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:06,202 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:06,204 INFO  L87              Difference]: Start difference. First operand  has 101 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 44 states have internal predecessors, (44), 38 states have call successors, (40), 23 states have call predecessors, (40), 23 states have return successors, (40), 34 states have call predecessors, (40), 38 states have call successors, (40) Second operand  has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)
[2025-05-07 17:28:06,252 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:06,252 INFO  L93              Difference]: Finished difference Result 103 states and 126 transitions.
[2025-05-07 17:28:06,253 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:06,255 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 55
[2025-05-07 17:28:06,255 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:06,263 INFO  L225             Difference]: With dead ends: 103
[2025-05-07 17:28:06,264 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:28:06,266 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:06,269 INFO  L437           NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:06,269 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 359 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:06,280 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:28:06,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-05-07 17:28:06,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 36 states have call successors, (38), 23 states have call predecessors, (38), 23 states have return successors, (38), 33 states have call predecessors, (38), 36 states have call successors, (38)
[2025-05-07 17:28:06,302 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions.
[2025-05-07 17:28:06,303 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 55
[2025-05-07 17:28:06,304 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:06,304 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 117 transitions.
[2025-05-07 17:28:06,304 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15)
[2025-05-07 17:28:06,304 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions.
[2025-05-07 17:28:06,306 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2025-05-07 17:28:06,306 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:06,306 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]
[2025-05-07 17:28:06,306 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:06,306 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:06,307 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:06,307 INFO  L85        PathProgramCache]: Analyzing trace with hash 388058433, now seen corresponding path program 1 times
[2025-05-07 17:28:06,307 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:06,307 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241735431]
[2025-05-07 17:28:06,307 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:06,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:06,336 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes.
[2025-05-07 17:28:06,364 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements.
[2025-05-07 17:28:06,364 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:06,364 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:06,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:06,490 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:06,491 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241735431]
[2025-05-07 17:28:06,491 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241735431] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:06,491 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:06,491 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:28:06,491 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239431594]
[2025-05-07 17:28:06,491 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:06,492 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:28:06,492 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:06,493 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:28:06,493 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:06,493 INFO  L87              Difference]: Start difference. First operand 97 states and 117 transitions. Second operand  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15)
[2025-05-07 17:28:06,553 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:06,553 INFO  L93              Difference]: Finished difference Result 103 states and 127 transitions.
[2025-05-07 17:28:06,554 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:28:06,554 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 55
[2025-05-07 17:28:06,554 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:06,556 INFO  L225             Difference]: With dead ends: 103
[2025-05-07 17:28:06,556 INFO  L226             Difference]: Without dead ends: 103
[2025-05-07 17:28:06,556 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:06,557 INFO  L437           NwaCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:06,557 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 438 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:06,558 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2025-05-07 17:28:06,567 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101.
[2025-05-07 17:28:06,568 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 40 states have (on average 1.075) internal successors, (43), 43 states have internal predecessors, (43), 36 states have call successors, (38), 23 states have call predecessors, (38), 25 states have return successors, (44), 34 states have call predecessors, (44), 36 states have call successors, (44)
[2025-05-07 17:28:06,569 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions.
[2025-05-07 17:28:06,570 INFO  L79                 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 55
[2025-05-07 17:28:06,570 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:06,570 INFO  L485      AbstractCegarLoop]: Abstraction has 101 states and 125 transitions.
[2025-05-07 17:28:06,570 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (15), 1 states have call predecessors, (15), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15)
[2025-05-07 17:28:06,570 INFO  L278                IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions.
[2025-05-07 17:28:06,572 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2025-05-07 17:28:06,572 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:06,573 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, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:06,573 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:06,573 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:06,573 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:06,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -255507243, now seen corresponding path program 1 times
[2025-05-07 17:28:06,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:06,573 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116928773]
[2025-05-07 17:28:06,574 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:06,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:06,607 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes.
[2025-05-07 17:28:06,621 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements.
[2025-05-07 17:28:06,621 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:06,621 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:06,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:06,890 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:06,890 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116928773]
[2025-05-07 17:28:06,890 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116928773] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:06,890 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:06,890 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:06,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945946351]
[2025-05-07 17:28:06,891 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:06,891 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:06,891 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:06,892 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:06,892 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:06,892 INFO  L87              Difference]: Start difference. First operand 101 states and 125 transitions. Second operand  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:06,943 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:06,943 INFO  L93              Difference]: Finished difference Result 99 states and 122 transitions.
[2025-05-07 17:28:06,943 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:06,944 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 75
[2025-05-07 17:28:06,944 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:06,945 INFO  L225             Difference]: With dead ends: 99
[2025-05-07 17:28:06,945 INFO  L226             Difference]: Without dead ends: 95
[2025-05-07 17:28:06,945 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:06,946 INFO  L437           NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:06,946 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 531 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:06,947 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2025-05-07 17:28:06,953 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2025-05-07 17:28:06,954 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 33 states have call successors, (34), 22 states have call predecessors, (34), 24 states have return successors, (39), 31 states have call predecessors, (39), 33 states have call successors, (39)
[2025-05-07 17:28:06,955 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions.
[2025-05-07 17:28:06,955 INFO  L79                 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 75
[2025-05-07 17:28:06,956 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:06,956 INFO  L485      AbstractCegarLoop]: Abstraction has 95 states and 114 transitions.
[2025-05-07 17:28:06,956 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:06,956 INFO  L278                IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions.
[2025-05-07 17:28:06,958 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2025-05-07 17:28:06,958 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:06,959 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, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:06,959 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:06,959 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:06,959 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:06,959 INFO  L85        PathProgramCache]: Analyzing trace with hash 601465067, now seen corresponding path program 1 times
[2025-05-07 17:28:06,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:06,960 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257360492]
[2025-05-07 17:28:06,960 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:06,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:06,986 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes.
[2025-05-07 17:28:06,998 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements.
[2025-05-07 17:28:06,998 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:06,998 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:07,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:07,122 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:07,123 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257360492]
[2025-05-07 17:28:07,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257360492] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:07,123 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:07,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:07,123 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144775244]
[2025-05-07 17:28:07,123 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:07,123 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:07,123 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:07,124 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:07,124 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:07,124 INFO  L87              Difference]: Start difference. First operand 95 states and 114 transitions. Second operand  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:07,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:07,170 INFO  L93              Difference]: Finished difference Result 99 states and 119 transitions.
[2025-05-07 17:28:07,170 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:07,171 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 75
[2025-05-07 17:28:07,171 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:07,172 INFO  L225             Difference]: With dead ends: 99
[2025-05-07 17:28:07,172 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:28:07,173 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:07,173 INFO  L437           NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:07,173 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 522 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:07,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:28:07,181 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2025-05-07 17:28:07,181 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 40 states have (on average 1.075) internal successors, (43), 43 states have internal predecessors, (43), 33 states have call successors, (34), 22 states have call predecessors, (34), 26 states have return successors, (42), 33 states have call predecessors, (42), 33 states have call successors, (42)
[2025-05-07 17:28:07,182 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 119 transitions.
[2025-05-07 17:28:07,183 INFO  L79                 Accepts]: Start accepts. Automaton has 99 states and 119 transitions. Word has length 75
[2025-05-07 17:28:07,183 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:07,183 INFO  L485      AbstractCegarLoop]: Abstraction has 99 states and 119 transitions.
[2025-05-07 17:28:07,183 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:07,183 INFO  L278                IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions.
[2025-05-07 17:28:07,184 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2025-05-07 17:28:07,184 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:07,185 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, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:07,185 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:07,185 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:07,185 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:07,185 INFO  L85        PathProgramCache]: Analyzing trace with hash 1287900413, now seen corresponding path program 1 times
[2025-05-07 17:28:07,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:07,186 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605046874]
[2025-05-07 17:28:07,186 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:07,186 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:07,214 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes.
[2025-05-07 17:28:07,220 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements.
[2025-05-07 17:28:07,220 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:07,220 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:07,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:07,386 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:07,386 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605046874]
[2025-05-07 17:28:07,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605046874] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:07,386 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:07,386 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:07,386 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054827422]
[2025-05-07 17:28:07,386 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:07,387 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:07,387 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:07,387 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:07,387 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:07,388 INFO  L87              Difference]: Start difference. First operand 99 states and 119 transitions. Second operand  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:07,429 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:07,429 INFO  L93              Difference]: Finished difference Result 97 states and 116 transitions.
[2025-05-07 17:28:07,430 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:07,430 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 75
[2025-05-07 17:28:07,430 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:07,431 INFO  L225             Difference]: With dead ends: 97
[2025-05-07 17:28:07,431 INFO  L226             Difference]: Without dead ends: 93
[2025-05-07 17:28:07,432 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:07,432 INFO  L437           NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:07,432 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 487 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:07,433 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-05-07 17:28:07,436 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2025-05-07 17:28:07,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 41 states have internal predecessors, (41), 30 states have call successors, (30), 21 states have call predecessors, (30), 25 states have return successors, (37), 30 states have call predecessors, (37), 30 states have call successors, (37)
[2025-05-07 17:28:07,437 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions.
[2025-05-07 17:28:07,437 INFO  L79                 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 75
[2025-05-07 17:28:07,437 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:07,437 INFO  L485      AbstractCegarLoop]: Abstraction has 93 states and 108 transitions.
[2025-05-07 17:28:07,437 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 4 states have call successors, (21), 1 states have call predecessors, (21), 5 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:28:07,437 INFO  L278                IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions.
[2025-05-07 17:28:07,438 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2025-05-07 17:28:07,438 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:07,438 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, 1, 1, 1, 1]
[2025-05-07 17:28:07,438 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:07,438 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:07,438 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:07,438 INFO  L85        PathProgramCache]: Analyzing trace with hash -85953912, now seen corresponding path program 1 times
[2025-05-07 17:28:07,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:07,438 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473415834]
[2025-05-07 17:28:07,438 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:07,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:07,463 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.
[2025-05-07 17:28:07,472 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements.
[2025-05-07 17:28:07,472 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:07,472 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:07,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:07,550 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:07,550 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473415834]
[2025-05-07 17:28:07,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473415834] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:07,551 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:07,551 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:07,551 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144334869]
[2025-05-07 17:28:07,551 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:07,551 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:07,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:07,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:07,552 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:07,552 INFO  L87              Difference]: Start difference. First operand 93 states and 108 transitions. Second operand  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (20), 1 states have call predecessors, (20), 6 states have return successors, (20), 7 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:28:07,602 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:07,603 INFO  L93              Difference]: Finished difference Result 92 states and 104 transitions.
[2025-05-07 17:28:07,603 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:07,603 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (20), 1 states have call predecessors, (20), 6 states have return successors, (20), 7 states have call predecessors, (20), 4 states have call successors, (20) Word has length 72
[2025-05-07 17:28:07,603 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:07,604 INFO  L225             Difference]: With dead ends: 92
[2025-05-07 17:28:07,604 INFO  L226             Difference]: Without dead ends: 90
[2025-05-07 17:28:07,605 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 17:28:07,605 INFO  L437           NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:07,606 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 528 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:07,606 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2025-05-07 17:28:07,610 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2025-05-07 17:28:07,611 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 40 states have internal predecessors, (40), 27 states have call successors, (27), 21 states have call predecessors, (27), 25 states have return successors, (33), 28 states have call predecessors, (33), 27 states have call successors, (33)
[2025-05-07 17:28:07,611 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 100 transitions.
[2025-05-07 17:28:07,612 INFO  L79                 Accepts]: Start accepts. Automaton has 90 states and 100 transitions. Word has length 72
[2025-05-07 17:28:07,612 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:07,612 INFO  L485      AbstractCegarLoop]: Abstraction has 90 states and 100 transitions.
[2025-05-07 17:28:07,612 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (20), 1 states have call predecessors, (20), 6 states have return successors, (20), 7 states have call predecessors, (20), 4 states have call successors, (20)
[2025-05-07 17:28:07,612 INFO  L278                IsEmpty]: Start isEmpty. Operand 90 states and 100 transitions.
[2025-05-07 17:28:07,613 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2025-05-07 17:28:07,613 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:07,613 INFO  L218           NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:07,613 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:07,614 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:07,614 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:07,614 INFO  L85        PathProgramCache]: Analyzing trace with hash -1611833861, now seen corresponding path program 1 times
[2025-05-07 17:28:07,614 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:07,614 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115247153]
[2025-05-07 17:28:07,614 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:07,614 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:07,652 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes.
[2025-05-07 17:28:07,670 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements.
[2025-05-07 17:28:07,671 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:07,671 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:07,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2025-05-07 17:28:07,816 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:07,817 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115247153]
[2025-05-07 17:28:07,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115247153] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:07,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:07,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:07,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061186920]
[2025-05-07 17:28:07,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:07,817 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:07,817 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:07,817 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:07,817 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:07,818 INFO  L87              Difference]: Start difference. First operand 90 states and 100 transitions. Second operand  has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 5 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27)
[2025-05-07 17:28:07,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:07,874 INFO  L93              Difference]: Finished difference Result 56 states and 61 transitions.
[2025-05-07 17:28:07,874 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:07,875 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 5 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27) Word has length 104
[2025-05-07 17:28:07,875 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:07,875 INFO  L225             Difference]: With dead ends: 56
[2025-05-07 17:28:07,875 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:07,875 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:07,876 INFO  L437           NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:07,876 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:07,877 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:07,877 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:07,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:07,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:07,877 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104
[2025-05-07 17:28:07,877 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:07,877 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:07,878 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 5 states have call successors, (25), 1 states have call predecessors, (25), 7 states have return successors, (27), 8 states have call predecessors, (27), 5 states have call successors, (27)
[2025-05-07 17:28:07,878 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:07,878 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:07,880 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:07,881 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:07,884 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:07,886 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:07,889 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:07 BoogieIcfgContainer
[2025-05-07 17:28:07,889 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:07,890 INFO  L158              Benchmark]: Toolchain (without parser) took 2589.84ms. Allocated memory is still 234.9MB. Free memory was 151.5MB in the beginning and 119.8MB in the end (delta: 31.7MB). Peak memory consumption was 29.6MB. Max. memory is 33.6GB.
[2025-05-07 17:28:07,890 INFO  L158              Benchmark]: SmtParser took 0.30ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:07,890 INFO  L158              Benchmark]: ChcToBoogie took 38.39ms. Allocated memory is still 234.9MB. Free memory was 151.5MB in the beginning and 148.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:07,890 INFO  L158              Benchmark]: Boogie Preprocessor took 66.22ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 145.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:07,891 INFO  L158              Benchmark]: RCFGBuilder took 389.81ms. Allocated memory is still 234.9MB. Free memory was 145.4MB in the beginning and 183.4MB in the end (delta: -37.9MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:07,891 INFO  L158              Benchmark]: TraceAbstraction took 2091.24ms. Allocated memory is still 234.9MB. Free memory was 182.8MB in the beginning and 119.8MB in the end (delta: 63.0MB). Peak memory consumption was 71.2MB. Max. memory is 33.6GB.
[2025-05-07 17:28:07,892 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.30ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 38.39ms. Allocated memory is still 234.9MB. Free memory was 151.5MB in the beginning and 148.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 66.22ms. Allocated memory is still 234.9MB. Free memory was 148.7MB in the beginning and 145.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 389.81ms. Allocated memory is still 234.9MB. Free memory was 145.4MB in the beginning and 183.4MB in the end (delta: -37.9MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2091.24ms. Allocated memory is still 234.9MB. Free memory was 182.8MB in the beginning and 119.8MB in the end (delta: 63.0MB). Peak memory consumption was 71.2MB. 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, 101 locations, 164 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 3188 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2495 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 693 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:07,905 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
